select HAVE_DMA_ATTRS
select HAVE_DMA_API_DEBUG
select TRACING_SUPPORT
+ select OF
+ select OF_FLATTREE
config SWAP
def_bool n
config HAVE_LATENCYTOP_SUPPORT
def_bool y
-config DTC
- def_bool y
-
source "init/Kconfig"
source "kernel/Kconfig.freezer"
Set this to have arguments from the default kernel command string
override those passed by the boot loader.
-config OF
- def_bool y
- select OF_FLATTREE
-
-config PROC_DEVICETREE
- bool "Support for device tree in /proc"
- depends on PROC_FS
- help
- This option adds a device-tree directory under /proc which contains
- an image of the device tree that the kernel copies from Open
- Firmware or other boot firmware. If unsure, say Y here.
-
endmenu
menu "Advanced setup"
struct pt_regs;
extern void do_IRQ(struct pt_regs *regs);
-/**
- * irq_of_parse_and_map - Parse and Map an interrupt into linux virq space
- * @device: Device node of the device whose interrupt is to be mapped
- * @index: Index of the interrupt to map
- *
- * This function is a wrapper that chains of_irq_map_one() and
- * irq_create_of_mapping() to make things easier to callers
- */
-struct device_node;
-extern unsigned int irq_of_parse_and_map(struct device_node *dev, int index);
-
/** FIXME - not implement
* irq_dispose_mapping - Unmap an interrupt
* @virq: linux virq number of the interrupt to unmap
extern unsigned int irq_create_mapping(struct irq_host *host,
irq_hw_number_t hwirq);
-/**
- * irq_create_of_mapping - Map a hardware interrupt into linux virq space
- * @controller: Device node of the interrupt controller
- * @inspec: Interrupt specifier from the device-tree
- * @intsize: Size of the interrupt specifier from the device-tree
- *
- * This function is identical to irq_create_mapping except that it takes
- * as input informations straight from the device-tree (typically the results
- * of the of_irq_map_*() functions.
- */
-extern unsigned int irq_create_of_mapping(struct device_node *controller,
- u32 *intspec, unsigned int intsize);
-
#endif /* _ASM_MICROBLAZE_IRQ_H */
+++ /dev/null
-/*
- * Copyright (C) 2007-2008 Michal Simek <monstr@monstr.eu>
- *
- * based on PowerPC of_device.h
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#ifndef _ASM_MICROBLAZE_OF_DEVICE_H
-#define _ASM_MICROBLAZE_OF_DEVICE_H
-#ifdef __KERNEL__
-
-#include <linux/device.h>
-#include <linux/of.h>
-
-/*
- * The of_device is a kind of "base class" that is a superset of
- * struct device for use by devices attached to an OF node and
- * probed using OF properties.
- */
-struct of_device {
- struct device dev; /* Generic device interface */
- struct pdev_archdata archdata;
-};
-
-extern ssize_t of_device_get_modalias(struct of_device *ofdev,
- char *str, ssize_t len);
-
-extern struct of_device *of_device_alloc(struct device_node *np,
- const char *bus_id,
- struct device *parent);
-
-extern int of_device_uevent(struct device *dev,
- struct kobj_uevent_env *env);
-
-extern void of_device_make_bus_id(struct of_device *dev);
-
-/* This is just here during the transition */
-#include <linux/of_device.h>
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_MICROBLAZE_OF_DEVICE_H */
+++ /dev/null
-/*
- * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#ifndef _ASM_MICROBLAZE_OF_PLATFORM_H
-#define _ASM_MICROBLAZE_OF_PLATFORM_H
-
-/* This is just here during the transition */
-#include <linux/of_platform.h>
-
-/*
- * The list of OF IDs below is used for matching bus types in the
- * system whose devices are to be exposed as of_platform_devices.
- *
- * This is the default list valid for most platforms. This file provides
- * functions who can take an explicit list if necessary though
- *
- * The search is always performed recursively looking for children of
- * the provided device_node and recursively if such a children matches
- * a bus type in the list
- */
-
-static const struct of_device_id of_default_bus_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .type = "plb5", },
- { .type = "plb4", },
- { .type = "opb", },
- { .type = "simple", },
- {},
-};
-
-/* Platform devices and busses creation */
-extern struct of_device *of_platform_device_create(struct device_node *np,
- const char *bus_id,
- struct device *parent);
-/* pseudo "matches" value to not do deep probe */
-#define OF_NO_DEEP_PROBE ((struct of_device_id *)-1)
-
-extern int of_platform_bus_probe(struct device_node *root,
- const struct of_device_id *matches,
- struct device *parent);
-
-extern struct of_device *of_find_device_by_phandle(phandle ph);
-
-extern void of_instantiate_rtc(void);
-
-#endif /* _ASM_MICROBLAZE_OF_PLATFORM_H */
#define PAGE_UP(addr) (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1)))
#define PAGE_DOWN(addr) ((addr)&(~((PAGE_SIZE)-1)))
-/* align addr on a size boundary - adjust address up/down if needed */
-#define _ALIGN_UP(addr, size) (((addr)+((size)-1))&(~((size)-1)))
-#define _ALIGN_DOWN(addr, size) ((addr)&(~((size)-1)))
-
-/* align addr on a size boundary - adjust address up if needed */
-#define _ALIGN(addr, size) _ALIGN_UP(addr, size)
-
#ifndef CONFIG_MMU
/*
* PAGE_OFFSET -- the first address of the first page of memory. When not
extern struct list_head hose_list;
-extern unsigned long pci_address_to_pio(phys_addr_t address);
extern int pcibios_vaddr_is_ioport(void __iomem *address);
#else
-static inline unsigned long pci_address_to_pio(phys_addr_t address)
-{
- return (unsigned long)-1;
-}
static inline int pcibios_vaddr_is_ioport(void __iomem *address)
{
return 0;
#ifndef __ASSEMBLY__
#include <linux/types.h>
-#include <linux/of_fdt.h>
-#include <linux/proc_fs.h>
-#include <linux/platform_device.h>
#include <asm/irq.h>
#include <asm/atomic.h>
* OF address retreival & translation
*/
-/* Translate an OF address block into a CPU physical address
- */
-extern u64 of_translate_address(struct device_node *np, const u32 *addr);
-
-/* Extract an address from a device, returns the region size and
- * the address space flags too. The PCI version uses a BAR number
- * instead of an absolute index
- */
-extern const u32 *of_get_address(struct device_node *dev, int index,
- u64 *size, unsigned int *flags);
-extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no,
- u64 *size, unsigned int *flags);
-
-/* Get an address as a resource. Note that if your address is
- * a PIO address, the conversion will fail if the physical address
- * can't be internally converted to an IO token with
- * pci_address_to_pio(), that is because it's either called to early
- * or it can't be matched to any host bridge IO space
- */
-extern int of_address_to_resource(struct device_node *dev, int index,
- struct resource *r);
-extern int of_pci_address_to_resource(struct device_node *dev, int bar,
- struct resource *r);
+#ifdef CONFIG_PCI
+extern unsigned long pci_address_to_pio(phys_addr_t address);
+#define pci_address_to_pio pci_address_to_pio
+#endif /* CONFIG_PCI */
/* Parse the ibm,dma-window property of an OF node into the busno, phys and
* size parameters.
/* Get the MAC address */
extern const void *of_get_mac_address(struct device_node *np);
-/*
- * OF interrupt mapping
- */
-
-/* This structure is returned when an interrupt is mapped. The controller
- * field needs to be put() after use
- */
-
-#define OF_MAX_IRQ_SPEC 4 /* We handle specifiers of at most 4 cells */
-
-struct of_irq {
- struct device_node *controller; /* Interrupt controller node */
- u32 size; /* Specifier size */
- u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */
-};
-
-/**
- * of_irq_map_init - Initialize the irq remapper
- * @flags: flags defining workarounds to enable
- *
- * Some machines have bugs in the device-tree which require certain workarounds
- * to be applied. Call this before any interrupt mapping attempts to enable
- * those workarounds.
- */
-#define OF_IMAP_OLDWORLD_MAC 0x00000001
-#define OF_IMAP_NO_PHANDLE 0x00000002
-
-extern void of_irq_map_init(unsigned int flags);
-
-/**
- * of_irq_map_raw - Low level interrupt tree parsing
- * @parent: the device interrupt parent
- * @intspec: interrupt specifier ("interrupts" property of the device)
- * @ointsize: size of the passed in interrupt specifier
- * @addr: address specifier (start of "reg" property of the device)
- * @out_irq: structure of_irq filled by this function
- *
- * Returns 0 on success and a negative number on error
- *
- * This function is a low-level interrupt tree walking function. It
- * can be used to do a partial walk with synthetized reg and interrupts
- * properties, for example when resolving PCI interrupts when no device
- * node exist for the parent.
- *
- */
-
-extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec,
- u32 ointsize, const u32 *addr,
- struct of_irq *out_irq);
-
-/**
- * of_irq_map_one - Resolve an interrupt for a device
- * @device: the device whose interrupt is to be resolved
- * @index: index of the interrupt to resolve
- * @out_irq: structure of_irq filled by this function
- *
- * This function resolves an interrupt, walking the tree, for a given
- * device-tree node. It's the high level pendant to of_irq_map_raw().
- * It also implements the workarounds for OldWolrd Macs.
- */
-extern int of_irq_map_one(struct device_node *device, int index,
- struct of_irq *out_irq);
-
/**
* of_irq_map_pci - Resolve the interrupt for a PCI device
* @pdev: the device whose interrupt is to be resolved
* resolving using the OF tree walking.
*/
struct pci_dev;
+struct of_irq;
extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
-extern int of_irq_to_resource(struct device_node *dev, int index,
- struct resource *r);
-
-/**
- * of_iomap - Maps the memory mapped IO for a given device_node
- * @device: the device whose io range will be mapped
- * @index: index of the io range
- *
- * Returns a pointer to the mapped memory
- */
-extern void __iomem *of_iomap(struct device_node *device, int index);
-
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
+
+/* These includes are put at the bottom because they may contain things
+ * that are overridden by this file. Ideally they shouldn't be included
+ * by this file, but there are a bunch of .c files that currently depend
+ * on it. Eventually they will be cleaned up. */
+#include <linux/of_fdt.h>
+#include <linux/of_irq.h>
+#include <linux/platform_device.h>
+
#endif /* _ASM_MICROBLAZE_PROM_H */
#include <asm-generic/topology.h>
-
-#ifndef _ASM_MICROBLAZE_TOPOLOGY_H
-#define _ASM_MICROBLAZE_TOPOLOGY_H
-
-struct device_node;
-static inline int of_node_to_nid(struct device_node *device)
-{
- return 0;
-}
-#endif /* _ASM_MICROBLAZE_TOPOLOGY_H */
extra-y := head.o vmlinux.lds
obj-y += dma.o exceptions.o \
- hw_exception_handler.o init_task.o intc.o irq.o of_device.o \
- of_platform.o process.o prom.o prom_parse.o ptrace.o \
+ hw_exception_handler.o init_task.o intc.o irq.o \
+ process.o prom.o prom_parse.o ptrace.o \
reset.o setup.o signal.o sys_microblaze.o timer.o traps.o unwind.o
obj-y += cpu/
#include <linux/seq_file.h>
#include <linux/kernel_stat.h>
#include <linux/irq.h>
+#include <linux/of_irq.h>
#include <asm/prom.h>
-unsigned int irq_of_parse_and_map(struct device_node *dev, int index)
-{
- struct of_irq oirq;
-
- if (of_irq_map_one(dev, index, &oirq))
- return NO_IRQ;
-
- return oirq.specifier[0];
-}
-EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
-
static u32 concurrent_irq;
void __irq_entry do_IRQ(struct pt_regs *regs)
EXPORT_SYMBOL_GPL(irq_create_mapping);
unsigned int irq_create_of_mapping(struct device_node *controller,
- u32 *intspec, unsigned int intsize)
+ const u32 *intspec, unsigned int intsize)
{
return intspec[0];
}
+++ /dev/null
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/of.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/mod_devicetable.h>
-#include <linux/slab.h>
-#include <linux/of_device.h>
-
-#include <linux/errno.h>
-
-void of_device_make_bus_id(struct of_device *dev)
-{
- static atomic_t bus_no_reg_magic;
- struct device_node *node = dev->dev.of_node;
- const u32 *reg;
- u64 addr;
- int magic;
-
- /*
- * For MMIO, get the physical address
- */
- reg = of_get_property(node, "reg", NULL);
- if (reg) {
- addr = of_translate_address(node, reg);
- if (addr != OF_BAD_ADDR) {
- dev_set_name(&dev->dev, "%llx.%s",
- (unsigned long long)addr, node->name);
- return;
- }
- }
-
- /*
- * No BusID, use the node name and add a globally incremented
- * counter (and pray...)
- */
- magic = atomic_add_return(1, &bus_no_reg_magic);
- dev_set_name(&dev->dev, "%s.%d", node->name, magic - 1);
-}
-EXPORT_SYMBOL(of_device_make_bus_id);
-
-struct of_device *of_device_alloc(struct device_node *np,
- const char *bus_id,
- struct device *parent)
-{
- struct of_device *dev;
-
- dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (!dev)
- return NULL;
-
- dev->dev.of_node = of_node_get(np);
- dev->dev.dma_mask = &dev->archdata.dma_mask;
- dev->dev.parent = parent;
- dev->dev.release = of_release_dev;
-
- if (bus_id)
- dev_set_name(&dev->dev, bus_id);
- else
- of_device_make_bus_id(dev);
-
- return dev;
-}
-EXPORT_SYMBOL(of_device_alloc);
-
-int of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
-{
- struct of_device *ofdev;
- const char *compat;
- int seen = 0, cplen, sl;
-
- if (!dev)
- return -ENODEV;
-
- ofdev = to_of_device(dev);
-
- if (add_uevent_var(env, "OF_NAME=%s", ofdev->dev.of_node->name))
- return -ENOMEM;
-
- if (add_uevent_var(env, "OF_TYPE=%s", ofdev->dev.of_node->type))
- return -ENOMEM;
-
- /* Since the compatible field can contain pretty much anything
- * it's not really legal to split it out with commas. We split it
- * up using a number of environment variables instead. */
-
- compat = of_get_property(ofdev->dev.of_node, "compatible", &cplen);
- while (compat && *compat && cplen > 0) {
- if (add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat))
- return -ENOMEM;
-
- sl = strlen(compat) + 1;
- compat += sl;
- cplen -= sl;
- seen++;
- }
-
- if (add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen))
- return -ENOMEM;
-
- /* modalias is trickier, we add it in 2 steps */
- if (add_uevent_var(env, "MODALIAS="))
- return -ENOMEM;
- sl = of_device_get_modalias(ofdev, &env->buf[env->buflen-1],
- sizeof(env->buf) - env->buflen);
- if (sl >= (sizeof(env->buf) - env->buflen))
- return -ENOMEM;
- env->buflen += sl;
-
- return 0;
-}
-EXPORT_SYMBOL(of_device_uevent);
+++ /dev/null
-/*
- * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- * and Arnd Bergmann, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- */
-
-#undef DEBUG
-
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/mod_devicetable.h>
-#include <linux/pci.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/of_platform.h>
-
-#include <linux/errno.h>
-#include <linux/topology.h>
-#include <asm/atomic.h>
-
-struct bus_type of_platform_bus_type = {
- .uevent = of_device_uevent,
-};
-EXPORT_SYMBOL(of_platform_bus_type);
-
-static int __init of_bus_driver_init(void)
-{
- return of_bus_type_init(&of_platform_bus_type, "of_platform");
-}
-postcore_initcall(of_bus_driver_init);
-
-struct of_device *of_platform_device_create(struct device_node *np,
- const char *bus_id,
- struct device *parent)
-{
- struct of_device *dev;
-
- dev = of_device_alloc(np, bus_id, parent);
- if (!dev)
- return NULL;
-
- dev->archdata.dma_mask = 0xffffffffUL;
- dev->dev.bus = &of_platform_bus_type;
-
- /* We do not fill the DMA ops for platform devices by default.
- * This is currently the responsibility of the platform code
- * to do such, possibly using a device notifier
- */
-
- if (of_device_register(dev) != 0) {
- of_device_free(dev);
- return NULL;
- }
-
- return dev;
-}
-EXPORT_SYMBOL(of_platform_device_create);
-
-/**
- * of_platform_bus_create - Create an OF device for a bus node and all its
- * children. Optionally recursively instanciate matching busses.
- * @bus: device node of the bus to instanciate
- * @matches: match table, NULL to use the default, OF_NO_DEEP_PROBE to
- * disallow recursive creation of child busses
- */
-static int of_platform_bus_create(const struct device_node *bus,
- const struct of_device_id *matches,
- struct device *parent)
-{
- struct device_node *child;
- struct of_device *dev;
- int rc = 0;
-
- for_each_child_of_node(bus, child) {
- pr_debug(" create child: %s\n", child->full_name);
- dev = of_platform_device_create(child, NULL, parent);
- if (dev == NULL)
- rc = -ENOMEM;
- else if (!of_match_node(matches, child))
- continue;
- if (rc == 0) {
- pr_debug(" and sub busses\n");
- rc = of_platform_bus_create(child, matches, &dev->dev);
- }
- if (rc) {
- of_node_put(child);
- break;
- }
- }
- return rc;
-}
-
-
-/**
- * of_platform_bus_probe - Probe the device-tree for platform busses
- * @root: parent of the first level to probe or NULL for the root of the tree
- * @matches: match table, NULL to use the default
- * @parent: parent to hook devices from, NULL for toplevel
- *
- * Note that children of the provided root are not instanciated as devices
- * unless the specified root itself matches the bus list and is not NULL.
- */
-
-int of_platform_bus_probe(struct device_node *root,
- const struct of_device_id *matches,
- struct device *parent)
-{
- struct device_node *child;
- struct of_device *dev;
- int rc = 0;
-
- if (matches == NULL)
- matches = of_default_bus_ids;
- if (matches == OF_NO_DEEP_PROBE)
- return -EINVAL;
- if (root == NULL)
- root = of_find_node_by_path("/");
- else
- of_node_get(root);
-
- pr_debug("of_platform_bus_probe()\n");
- pr_debug(" starting at: %s\n", root->full_name);
-
- /* Do a self check of bus type, if there's a match, create
- * children
- */
- if (of_match_node(matches, root)) {
- pr_debug(" root match, create all sub devices\n");
- dev = of_platform_device_create(root, NULL, parent);
- if (dev == NULL) {
- rc = -ENOMEM;
- goto bail;
- }
- pr_debug(" create all sub busses\n");
- rc = of_platform_bus_create(root, matches, &dev->dev);
- goto bail;
- }
- for_each_child_of_node(root, child) {
- if (!of_match_node(matches, child))
- continue;
-
- pr_debug(" match: %s\n", child->full_name);
- dev = of_platform_device_create(child, NULL, parent);
- if (dev == NULL)
- rc = -ENOMEM;
- else
- rc = of_platform_bus_create(child, matches, &dev->dev);
- if (rc) {
- of_node_put(child);
- break;
- }
- }
- bail:
- of_node_put(root);
- return rc;
-}
-EXPORT_SYMBOL(of_platform_bus_probe);
-
-static int of_dev_node_match(struct device *dev, void *data)
-{
- return to_of_device(dev)->dev.of_node == data;
-}
-
-struct of_device *of_find_device_by_node(struct device_node *np)
-{
- struct device *dev;
-
- dev = bus_find_device(&of_platform_bus_type,
- NULL, np, of_dev_node_match);
- if (dev)
- return to_of_device(dev);
- return NULL;
-}
-EXPORT_SYMBOL(of_find_device_by_node);
-
-static int of_dev_phandle_match(struct device *dev, void *data)
-{
- phandle *ph = data;
- return to_of_device(dev)->dev.of_node->phandle == *ph;
-}
-
-struct of_device *of_find_device_by_phandle(phandle ph)
-{
- struct device *dev;
-
- dev = bus_find_device(&of_platform_bus_type,
- NULL, &ph, of_dev_phandle_match);
- if (dev)
- return to_of_device(dev);
- return NULL;
-}
-EXPORT_SYMBOL(of_find_device_by_phandle);
#include <linux/module.h>
#include <linux/ioport.h>
#include <linux/etherdevice.h>
+#include <linux/of_address.h>
#include <asm/prom.h>
#include <asm/pci-bridge.h>
-#define PRu64 "%llx"
-
-/* Max address size we deal with */
-#define OF_MAX_ADDR_CELLS 4
-#define OF_CHECK_COUNTS(na, ns) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \
- (ns) > 0)
-
-static struct of_bus *of_match_bus(struct device_node *np);
-static int __of_address_to_resource(struct device_node *dev,
- const u32 *addrp, u64 size, unsigned int flags,
- struct resource *r);
-
-/* Debug utility */
-#ifdef DEBUG
-static void of_dump_addr(const char *s, const u32 *addr, int na)
-{
- printk(KERN_INFO "%s", s);
- while (na--)
- printk(KERN_INFO " %08x", *(addr++));
- printk(KERN_INFO "\n");
-}
-#else
-static void of_dump_addr(const char *s, const u32 *addr, int na) { }
-#endif
-
-/* Callbacks for bus specific translators */
-struct of_bus {
- const char *name;
- const char *addresses;
- int (*match)(struct device_node *parent);
- void (*count_cells)(struct device_node *child,
- int *addrc, int *sizec);
- u64 (*map)(u32 *addr, const u32 *range,
- int na, int ns, int pna);
- int (*translate)(u32 *addr, u64 offset, int na);
- unsigned int (*get_flags)(const u32 *addr);
-};
-
-/*
- * Default translator (generic bus)
- */
-
-static void of_bus_default_count_cells(struct device_node *dev,
- int *addrc, int *sizec)
-{
- if (addrc)
- *addrc = of_n_addr_cells(dev);
- if (sizec)
- *sizec = of_n_size_cells(dev);
-}
-
-static u64 of_bus_default_map(u32 *addr, const u32 *range,
- int na, int ns, int pna)
-{
- u64 cp, s, da;
-
- cp = of_read_number(range, na);
- s = of_read_number(range + na + pna, ns);
- da = of_read_number(addr, na);
-
- pr_debug("OF: default map, cp="PRu64", s="PRu64", da="PRu64"\n",
- cp, s, da);
-
- if (da < cp || da >= (cp + s))
- return OF_BAD_ADDR;
- return da - cp;
-}
-
-static int of_bus_default_translate(u32 *addr, u64 offset, int na)
-{
- u64 a = of_read_number(addr, na);
- memset(addr, 0, na * 4);
- a += offset;
- if (na > 1)
- addr[na - 2] = a >> 32;
- addr[na - 1] = a & 0xffffffffu;
-
- return 0;
-}
-
-static unsigned int of_bus_default_get_flags(const u32 *addr)
-{
- return IORESOURCE_MEM;
-}
-
#ifdef CONFIG_PCI
-/*
- * PCI bus specific translator
- */
-
-static int of_bus_pci_match(struct device_node *np)
-{
- /* "vci" is for the /chaos bridge on 1st-gen PCI powermacs */
- return !strcmp(np->type, "pci") || !strcmp(np->type, "vci");
-}
-
-static void of_bus_pci_count_cells(struct device_node *np,
- int *addrc, int *sizec)
-{
- if (addrc)
- *addrc = 3;
- if (sizec)
- *sizec = 2;
-}
-
-static u64 of_bus_pci_map(u32 *addr, const u32 *range, int na, int ns, int pna)
-{
- u64 cp, s, da;
-
- /* Check address type match */
- if ((addr[0] ^ range[0]) & 0x03000000)
- return OF_BAD_ADDR;
-
- /* Read address values, skipping high cell */
- cp = of_read_number(range + 1, na - 1);
- s = of_read_number(range + na + pna, ns);
- da = of_read_number(addr + 1, na - 1);
-
- pr_debug("OF: PCI map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da);
-
- if (da < cp || da >= (cp + s))
- return OF_BAD_ADDR;
- return da - cp;
-}
-
-static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
-{
- return of_bus_default_translate(addr + 1, offset, na - 1);
-}
-
-static unsigned int of_bus_pci_get_flags(const u32 *addr)
-{
- unsigned int flags = 0;
- u32 w = addr[0];
-
- switch ((w >> 24) & 0x03) {
- case 0x01:
- flags |= IORESOURCE_IO;
- break;
- case 0x02: /* 32 bits */
- case 0x03: /* 64 bits */
- flags |= IORESOURCE_MEM;
- break;
- }
- if (w & 0x40000000)
- flags |= IORESOURCE_PREFETCH;
- return flags;
-}
-
-const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
- unsigned int *flags)
-{
- const u32 *prop;
- unsigned int psize;
- struct device_node *parent;
- struct of_bus *bus;
- int onesize, i, na, ns;
-
- /* Get parent & match bus type */
- parent = of_get_parent(dev);
- if (parent == NULL)
- return NULL;
- bus = of_match_bus(parent);
- if (strcmp(bus->name, "pci")) {
- of_node_put(parent);
- return NULL;
- }
- bus->count_cells(dev, &na, &ns);
- of_node_put(parent);
- if (!OF_CHECK_COUNTS(na, ns))
- return NULL;
-
- /* Get "reg" or "assigned-addresses" property */
- prop = of_get_property(dev, bus->addresses, &psize);
- if (prop == NULL)
- return NULL;
- psize /= 4;
-
- onesize = na + ns;
- for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
- if ((prop[0] & 0xff) == ((bar_no * 4) + PCI_BASE_ADDRESS_0)) {
- if (size)
- *size = of_read_number(prop + na, ns);
- if (flags)
- *flags = bus->get_flags(prop);
- return prop;
- }
- return NULL;
-}
-EXPORT_SYMBOL(of_get_pci_address);
-
-int of_pci_address_to_resource(struct device_node *dev, int bar,
- struct resource *r)
-{
- const u32 *addrp;
- u64 size;
- unsigned int flags;
-
- addrp = of_get_pci_address(dev, bar, &size, &flags);
- if (addrp == NULL)
- return -EINVAL;
- return __of_address_to_resource(dev, addrp, size, flags, r);
-}
-EXPORT_SYMBOL_GPL(of_pci_address_to_resource);
-
-static u8 of_irq_pci_swizzle(u8 slot, u8 pin)
-{
- return (((pin - 1) + slot) % 4) + 1;
-}
-
int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
{
struct device_node *dn, *ppnode;
EXPORT_SYMBOL_GPL(of_irq_map_pci);
#endif /* CONFIG_PCI */
-/*
- * ISA bus specific translator
- */
-
-static int of_bus_isa_match(struct device_node *np)
-{
- return !strcmp(np->name, "isa");
-}
-
-static void of_bus_isa_count_cells(struct device_node *child,
- int *addrc, int *sizec)
-{
- if (addrc)
- *addrc = 2;
- if (sizec)
- *sizec = 1;
-}
-
-static u64 of_bus_isa_map(u32 *addr, const u32 *range, int na, int ns, int pna)
-{
- u64 cp, s, da;
-
- /* Check address type match */
- if ((addr[0] ^ range[0]) & 0x00000001)
- return OF_BAD_ADDR;
-
- /* Read address values, skipping high cell */
- cp = of_read_number(range + 1, na - 1);
- s = of_read_number(range + na + pna, ns);
- da = of_read_number(addr + 1, na - 1);
-
- pr_debug("OF: ISA map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da);
-
- if (da < cp || da >= (cp + s))
- return OF_BAD_ADDR;
- return da - cp;
-}
-
-static int of_bus_isa_translate(u32 *addr, u64 offset, int na)
-{
- return of_bus_default_translate(addr + 1, offset, na - 1);
-}
-
-static unsigned int of_bus_isa_get_flags(const u32 *addr)
-{
- unsigned int flags = 0;
- u32 w = addr[0];
-
- if (w & 1)
- flags |= IORESOURCE_IO;
- else
- flags |= IORESOURCE_MEM;
- return flags;
-}
-
-/*
- * Array of bus specific translators
- */
-
-static struct of_bus of_busses[] = {
-#ifdef CONFIG_PCI
- /* PCI */
- {
- .name = "pci",
- .addresses = "assigned-addresses",
- .match = of_bus_pci_match,
- .count_cells = of_bus_pci_count_cells,
- .map = of_bus_pci_map,
- .translate = of_bus_pci_translate,
- .get_flags = of_bus_pci_get_flags,
- },
-#endif /* CONFIG_PCI */
- /* ISA */
- {
- .name = "isa",
- .addresses = "reg",
- .match = of_bus_isa_match,
- .count_cells = of_bus_isa_count_cells,
- .map = of_bus_isa_map,
- .translate = of_bus_isa_translate,
- .get_flags = of_bus_isa_get_flags,
- },
- /* Default */
- {
- .name = "default",
- .addresses = "reg",
- .match = NULL,
- .count_cells = of_bus_default_count_cells,
- .map = of_bus_default_map,
- .translate = of_bus_default_translate,
- .get_flags = of_bus_default_get_flags,
- },
-};
-
-static struct of_bus *of_match_bus(struct device_node *np)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(of_busses); i++)
- if (!of_busses[i].match || of_busses[i].match(np))
- return &of_busses[i];
- BUG();
- return NULL;
-}
-
-static int of_translate_one(struct device_node *parent, struct of_bus *bus,
- struct of_bus *pbus, u32 *addr,
- int na, int ns, int pna)
-{
- const u32 *ranges;
- unsigned int rlen;
- int rone;
- u64 offset = OF_BAD_ADDR;
-
- /* Normally, an absence of a "ranges" property means we are
- * crossing a non-translatable boundary, and thus the addresses
- * below the current not cannot be converted to CPU physical ones.
- * Unfortunately, while this is very clear in the spec, it's not
- * what Apple understood, and they do have things like /uni-n or
- * /ht nodes with no "ranges" property and a lot of perfectly
- * useable mapped devices below them. Thus we treat the absence of
- * "ranges" as equivalent to an empty "ranges" property which means
- * a 1:1 translation at that level. It's up to the caller not to try
- * to translate addresses that aren't supposed to be translated in
- * the first place. --BenH.
- */
- ranges = of_get_property(parent, "ranges", (int *) &rlen);
- if (ranges == NULL || rlen == 0) {
- offset = of_read_number(addr, na);
- memset(addr, 0, pna * 4);
- pr_debug("OF: no ranges, 1:1 translation\n");
- goto finish;
- }
-
- pr_debug("OF: walking ranges...\n");
-
- /* Now walk through the ranges */
- rlen /= 4;
- rone = na + pna + ns;
- for (; rlen >= rone; rlen -= rone, ranges += rone) {
- offset = bus->map(addr, ranges, na, ns, pna);
- if (offset != OF_BAD_ADDR)
- break;
- }
- if (offset == OF_BAD_ADDR) {
- pr_debug("OF: not found !\n");
- return 1;
- }
- memcpy(addr, ranges + na, 4 * pna);
-
- finish:
- of_dump_addr("OF: parent translation for:", addr, pna);
- pr_debug("OF: with offset: "PRu64"\n", offset);
-
- /* Translate it into parent bus space */
- return pbus->translate(addr, offset, pna);
-}
-
-/*
- * Translate an address from the device-tree into a CPU physical address,
- * this walks up the tree and applies the various bus mappings on the
- * way.
- *
- * Note: We consider that crossing any level with #size-cells == 0 to mean
- * that translation is impossible (that is we are not dealing with a value
- * that can be mapped to a cpu physical address). This is not really specified
- * that way, but this is traditionally the way IBM at least do things
- */
-u64 of_translate_address(struct device_node *dev, const u32 *in_addr)
-{
- struct device_node *parent = NULL;
- struct of_bus *bus, *pbus;
- u32 addr[OF_MAX_ADDR_CELLS];
- int na, ns, pna, pns;
- u64 result = OF_BAD_ADDR;
-
- pr_debug("OF: ** translation for device %s **\n", dev->full_name);
-
- /* Increase refcount at current level */
- of_node_get(dev);
-
- /* Get parent & match bus type */
- parent = of_get_parent(dev);
- if (parent == NULL)
- goto bail;
- bus = of_match_bus(parent);
-
- /* Cound address cells & copy address locally */
- bus->count_cells(dev, &na, &ns);
- if (!OF_CHECK_COUNTS(na, ns)) {
- printk(KERN_ERR "prom_parse: Bad cell count for %s\n",
- dev->full_name);
- goto bail;
- }
- memcpy(addr, in_addr, na * 4);
-
- pr_debug("OF: bus is %s (na=%d, ns=%d) on %s\n",
- bus->name, na, ns, parent->full_name);
- of_dump_addr("OF: translating address:", addr, na);
-
- /* Translate */
- for (;;) {
- /* Switch to parent bus */
- of_node_put(dev);
- dev = parent;
- parent = of_get_parent(dev);
-
- /* If root, we have finished */
- if (parent == NULL) {
- pr_debug("OF: reached root node\n");
- result = of_read_number(addr, na);
- break;
- }
-
- /* Get new parent bus and counts */
- pbus = of_match_bus(parent);
- pbus->count_cells(dev, &pna, &pns);
- if (!OF_CHECK_COUNTS(pna, pns)) {
- printk(KERN_ERR "prom_parse: Bad cell count for %s\n",
- dev->full_name);
- break;
- }
-
- pr_debug("OF: parent bus is %s (na=%d, ns=%d) on %s\n",
- pbus->name, pna, pns, parent->full_name);
-
- /* Apply bus translation */
- if (of_translate_one(dev, bus, pbus, addr, na, ns, pna))
- break;
-
- /* Complete the move up one level */
- na = pna;
- ns = pns;
- bus = pbus;
-
- of_dump_addr("OF: one level translation:", addr, na);
- }
- bail:
- of_node_put(parent);
- of_node_put(dev);
-
- return result;
-}
-EXPORT_SYMBOL(of_translate_address);
-
-const u32 *of_get_address(struct device_node *dev, int index, u64 *size,
- unsigned int *flags)
-{
- const u32 *prop;
- unsigned int psize;
- struct device_node *parent;
- struct of_bus *bus;
- int onesize, i, na, ns;
-
- /* Get parent & match bus type */
- parent = of_get_parent(dev);
- if (parent == NULL)
- return NULL;
- bus = of_match_bus(parent);
- bus->count_cells(dev, &na, &ns);
- of_node_put(parent);
- if (!OF_CHECK_COUNTS(na, ns))
- return NULL;
-
- /* Get "reg" or "assigned-addresses" property */
- prop = of_get_property(dev, bus->addresses, (int *) &psize);
- if (prop == NULL)
- return NULL;
- psize /= 4;
-
- onesize = na + ns;
- for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
- if (i == index) {
- if (size)
- *size = of_read_number(prop + na, ns);
- if (flags)
- *flags = bus->get_flags(prop);
- return prop;
- }
- return NULL;
-}
-EXPORT_SYMBOL(of_get_address);
-
-static int __of_address_to_resource(struct device_node *dev, const u32 *addrp,
- u64 size, unsigned int flags,
- struct resource *r)
-{
- u64 taddr;
-
- if ((flags & (IORESOURCE_IO | IORESOURCE_MEM)) == 0)
- return -EINVAL;
- taddr = of_translate_address(dev, addrp);
- if (taddr == OF_BAD_ADDR)
- return -EINVAL;
- memset(r, 0, sizeof(struct resource));
- if (flags & IORESOURCE_IO) {
- unsigned long port;
- port = -1; /* pci_address_to_pio(taddr); */
- if (port == (unsigned long)-1)
- return -EINVAL;
- r->start = port;
- r->end = port + size - 1;
- } else {
- r->start = taddr;
- r->end = taddr + size - 1;
- }
- r->flags = flags;
- r->name = dev->name;
- return 0;
-}
-
-int of_address_to_resource(struct device_node *dev, int index,
- struct resource *r)
-{
- const u32 *addrp;
- u64 size;
- unsigned int flags;
-
- addrp = of_get_address(dev, index, &size, &flags);
- if (addrp == NULL)
- return -EINVAL;
- return __of_address_to_resource(dev, addrp, size, flags, r);
-}
-EXPORT_SYMBOL_GPL(of_address_to_resource);
-
void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
unsigned long *busno, unsigned long *phys, unsigned long *size)
{
*size = of_read_number(dma_window, cells);
}
-/*
- * Interrupt remapper
- */
-
-static unsigned int of_irq_workarounds;
-static struct device_node *of_irq_dflt_pic;
-
-static struct device_node *of_irq_find_parent(struct device_node *child)
-{
- struct device_node *p;
- const phandle *parp;
-
- if (!of_node_get(child))
- return NULL;
-
- do {
- parp = of_get_property(child, "interrupt-parent", NULL);
- if (parp == NULL)
- p = of_get_parent(child);
- else {
- if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
- p = of_node_get(of_irq_dflt_pic);
- else
- p = of_find_node_by_phandle(*parp);
- }
- of_node_put(child);
- child = p;
- } while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL);
-
- return p;
-}
-
-/* This doesn't need to be called if you don't have any special workaround
- * flags to pass
- */
-void of_irq_map_init(unsigned int flags)
-{
- of_irq_workarounds = flags;
-
- /* OldWorld, don't bother looking at other things */
- if (flags & OF_IMAP_OLDWORLD_MAC)
- return;
-
- /* If we don't have phandles, let's try to locate a default interrupt
- * controller (happens when booting with BootX). We do a first match
- * here, hopefully, that only ever happens on machines with one
- * controller.
- */
- if (flags & OF_IMAP_NO_PHANDLE) {
- struct device_node *np;
-
- for (np = NULL; (np = of_find_all_nodes(np)) != NULL;) {
- if (of_get_property(np, "interrupt-controller", NULL)
- == NULL)
- continue;
- /* Skip /chosen/interrupt-controller */
- if (strcmp(np->name, "chosen") == 0)
- continue;
- /* It seems like at least one person on this planet
- * wants to use BootX on a machine with an AppleKiwi
- * controller which happens to pretend to be an
- * interrupt controller too.
- */
- if (strcmp(np->name, "AppleKiwi") == 0)
- continue;
- /* I think we found one ! */
- of_irq_dflt_pic = np;
- break;
- }
- }
-
-}
-
-int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize,
- const u32 *addr, struct of_irq *out_irq)
-{
- struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL;
- const u32 *tmp, *imap, *imask;
- u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0;
- int imaplen, match, i;
-
- pr_debug("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],"
- "ointsize=%d\n",
- parent->full_name, intspec[0], intspec[1], ointsize);
-
- ipar = of_node_get(parent);
-
- /* First get the #interrupt-cells property of the current cursor
- * that tells us how to interpret the passed-in intspec. If there
- * is none, we are nice and just walk up the tree
- */
- do {
- tmp = of_get_property(ipar, "#interrupt-cells", NULL);
- if (tmp != NULL) {
- intsize = *tmp;
- break;
- }
- tnode = ipar;
- ipar = of_irq_find_parent(ipar);
- of_node_put(tnode);
- } while (ipar);
- if (ipar == NULL) {
- pr_debug(" -> no parent found !\n");
- goto fail;
- }
-
- pr_debug("of_irq_map_raw: ipar=%s, size=%d\n",
- ipar->full_name, intsize);
-
- if (ointsize != intsize)
- return -EINVAL;
-
- /* Look for this #address-cells. We have to implement the old linux
- * trick of looking for the parent here as some device-trees rely on it
- */
- old = of_node_get(ipar);
- do {
- tmp = of_get_property(old, "#address-cells", NULL);
- tnode = of_get_parent(old);
- of_node_put(old);
- old = tnode;
- } while (old && tmp == NULL);
- of_node_put(old);
- old = NULL;
- addrsize = (tmp == NULL) ? 2 : *tmp;
-
- pr_debug(" -> addrsize=%d\n", addrsize);
-
- /* Now start the actual "proper" walk of the interrupt tree */
- while (ipar != NULL) {
- /* Now check if cursor is an interrupt-controller and if it is
- * then we are done
- */
- if (of_get_property(ipar, "interrupt-controller", NULL) !=
- NULL) {
- pr_debug(" -> got it !\n");
- memcpy(out_irq->specifier, intspec,
- intsize * sizeof(u32));
- out_irq->size = intsize;
- out_irq->controller = ipar;
- of_node_put(old);
- return 0;
- }
-
- /* Now look for an interrupt-map */
- imap = of_get_property(ipar, "interrupt-map", &imaplen);
- /* No interrupt map, check for an interrupt parent */
- if (imap == NULL) {
- pr_debug(" -> no map, getting parent\n");
- newpar = of_irq_find_parent(ipar);
- goto skiplevel;
- }
- imaplen /= sizeof(u32);
-
- /* Look for a mask */
- imask = of_get_property(ipar, "interrupt-map-mask", NULL);
-
- /* If we were passed no "reg" property and we attempt to parse
- * an interrupt-map, then #address-cells must be 0.
- * Fail if it's not.
- */
- if (addr == NULL && addrsize != 0) {
- pr_debug(" -> no reg passed in when needed !\n");
- goto fail;
- }
-
- /* Parse interrupt-map */
- match = 0;
- while (imaplen > (addrsize + intsize + 1) && !match) {
- /* Compare specifiers */
- match = 1;
- for (i = 0; i < addrsize && match; ++i) {
- u32 mask = imask ? imask[i] : 0xffffffffu;
- match = ((addr[i] ^ imap[i]) & mask) == 0;
- }
- for (; i < (addrsize + intsize) && match; ++i) {
- u32 mask = imask ? imask[i] : 0xffffffffu;
- match =
- ((intspec[i-addrsize] ^ imap[i])
- & mask) == 0;
- }
- imap += addrsize + intsize;
- imaplen -= addrsize + intsize;
-
- pr_debug(" -> match=%d (imaplen=%d)\n", match, imaplen);
-
- /* Get the interrupt parent */
- if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
- newpar = of_node_get(of_irq_dflt_pic);
- else
- newpar =
- of_find_node_by_phandle((phandle)*imap);
- imap++;
- --imaplen;
-
- /* Check if not found */
- if (newpar == NULL) {
- pr_debug(" -> imap parent not found !\n");
- goto fail;
- }
-
- /* Get #interrupt-cells and #address-cells of new
- * parent
- */
- tmp = of_get_property(newpar, "#interrupt-cells", NULL);
- if (tmp == NULL) {
- pr_debug(" -> parent lacks "
- "#interrupt-cells!\n");
- goto fail;
- }
- newintsize = *tmp;
- tmp = of_get_property(newpar, "#address-cells", NULL);
- newaddrsize = (tmp == NULL) ? 0 : *tmp;
-
- pr_debug(" -> newintsize=%d, newaddrsize=%d\n",
- newintsize, newaddrsize);
-
- /* Check for malformed properties */
- if (imaplen < (newaddrsize + newintsize))
- goto fail;
-
- imap += newaddrsize + newintsize;
- imaplen -= newaddrsize + newintsize;
-
- pr_debug(" -> imaplen=%d\n", imaplen);
- }
- if (!match)
- goto fail;
-
- of_node_put(old);
- old = of_node_get(newpar);
- addrsize = newaddrsize;
- intsize = newintsize;
- intspec = imap - intsize;
- addr = intspec - addrsize;
-
-skiplevel:
- /* Iterate again with new parent */
- pr_debug(" -> new parent: %s\n",
- newpar ? newpar->full_name : "<>");
- of_node_put(ipar);
- ipar = newpar;
- newpar = NULL;
- }
-fail:
- of_node_put(ipar);
- of_node_put(old);
- of_node_put(newpar);
-
- return -EINVAL;
-}
-EXPORT_SYMBOL_GPL(of_irq_map_raw);
-
-int of_irq_map_one(struct device_node *device,
- int index, struct of_irq *out_irq)
-{
- struct device_node *p;
- const u32 *intspec, *tmp, *addr;
- u32 intsize, intlen;
- int res;
-
- pr_debug("of_irq_map_one: dev=%s, index=%d\n",
- device->full_name, index);
-
- /* Get the interrupts property */
- intspec = of_get_property(device, "interrupts", (int *) &intlen);
- if (intspec == NULL)
- return -EINVAL;
- intlen /= sizeof(u32);
-
- pr_debug(" intspec=%d intlen=%d\n", *intspec, intlen);
-
- /* Get the reg property (if any) */
- addr = of_get_property(device, "reg", NULL);
-
- /* Look for the interrupt parent. */
- p = of_irq_find_parent(device);
- if (p == NULL)
- return -EINVAL;
-
- /* Get size of interrupt specifier */
- tmp = of_get_property(p, "#interrupt-cells", NULL);
- if (tmp == NULL) {
- of_node_put(p);
- return -EINVAL;
- }
- intsize = *tmp;
-
- pr_debug(" intsize=%d intlen=%d\n", intsize, intlen);
-
- /* Check index */
- if ((index + 1) * intsize > intlen)
- return -EINVAL;
-
- /* Get new specifier and map it */
- res = of_irq_map_raw(p, intspec + index * intsize, intsize,
- addr, out_irq);
- of_node_put(p);
- return res;
-}
-EXPORT_SYMBOL_GPL(of_irq_map_one);
-
/**
* Search the device tree for the best MAC address to use. 'mac-address' is
* checked first, because that is supposed to contain to "most recent" MAC
return NULL;
}
EXPORT_SYMBOL(of_get_mac_address);
-
-int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
-{
- struct of_irq out_irq;
- int irq;
- int res;
-
- res = of_irq_map_one(dev, index, &out_irq);
-
- /* Get irq for the device */
- if (res) {
- pr_debug("IRQ not found... code = %d", res);
- return NO_IRQ;
- }
- /* Assuming single interrupt controller... */
- irq = out_irq.specifier[0];
-
- pr_debug("IRQ found = %d", irq);
-
- /* Only dereference the resource if both the
- * resource and the irq are valid. */
- if (r && irq != NO_IRQ) {
- r->start = r->end = irq;
- r->flags = IORESOURCE_IRQ;
- }
-
- return irq;
-}
-EXPORT_SYMBOL_GPL(of_irq_to_resource);
-
-void __iomem *of_iomap(struct device_node *np, int index)
-{
- struct resource res;
-
- if (of_address_to_resource(np, index, &res))
- return NULL;
-
- return ioremap(res.start, 1 + res.end - res.start);
-}
-EXPORT_SYMBOL(of_iomap);
int ret; /* variable which stored handle reset gpio pin */
struct device_node *root; /* root node */
struct device_node *gpio; /* gpio node */
- struct of_gpio_chip *of_gc = NULL;
- enum of_gpio_flags flags ;
+ struct gpio_chip *gc;
+ u32 flags;
const void *gpio_spec;
/* find out root node */
goto err0;
}
- of_gc = gpio->data;
- if (!of_gc) {
+ gc = of_node_to_gpiochip(gpio);
+ if (!gc) {
pr_debug("%s: gpio controller %s isn't registered\n",
root->full_name, gpio->full_name);
ret = -ENODEV;
goto err1;
}
- ret = of_gc->xlate(of_gc, root, gpio_spec, &flags);
+ ret = gc->of_xlate(gc, root, gpio_spec, &flags);
if (ret < 0)
goto err1;
- ret += of_gc->gc.base;
+ ret += gc->base;
err1:
of_node_put(gpio);
err0:
.priority = INT_MAX,
};
-static struct notifier_block dflt_of_bus_notifier = {
- .notifier_call = dflt_bus_notify,
- .priority = INT_MAX,
-};
-
static int __init setup_bus_notifier(void)
{
bus_register_notifier(&platform_bus_type, &dflt_plat_bus_notifier);
- bus_register_notifier(&of_platform_bus_type, &dflt_of_bus_notifier);
return 0;
}
config PPC
bool
default y
+ select OF
+ select OF_FLATTREE
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_DYNAMIC_FTRACE
select HAVE_FUNCTION_TRACER
config PPC_OF
def_bool y
-config OF
- def_bool y
- select OF_FLATTREE
-
config PPC_UDBG_16550
bool
default n
default y if PMAC_APM_EMU
bool
-config DTC
- bool
- default y
-
config DEFAULT_UIMAGE
bool
help
when dealing with POWER5 cpus at a cost of slightly increased
overhead in some places. If unsure say N here.
-config PROC_DEVICETREE
- bool "Support for device tree in /proc"
- depends on PROC_FS
- help
- This option adds a device-tree directory under /proc which contains
- an image of the device tree that the kernel copies from Open
- Firmware or other boot firmware. If unsure, say Y here.
-
config CMDLINE_BOOL
bool "Default bootloader kernel arguments"
*/
extern void irq_free_virt(unsigned int virq, unsigned int count);
-
-/* -- OF helpers -- */
-
-/**
- * irq_create_of_mapping - Map a hardware interrupt into linux virq space
- * @controller: Device node of the interrupt controller
- * @inspec: Interrupt specifier from the device-tree
- * @intsize: Size of the interrupt specifier from the device-tree
- *
- * This function is identical to irq_create_mapping except that it takes
- * as input informations straight from the device-tree (typically the results
- * of the of_irq_map_*() functions.
- */
-extern unsigned int irq_create_of_mapping(struct device_node *controller,
- const u32 *intspec, unsigned int intsize);
-
-/**
- * irq_of_parse_and_map - Parse and Map an interrupt into linux virq space
- * @device: Device node of the device whose interrupt is to be mapped
- * @index: Index of the interrupt to map
- *
- * This function is a wrapper that chains of_irq_map_one() and
- * irq_create_of_mapping() to make things easier to callers
- */
-extern unsigned int irq_of_parse_and_map(struct device_node *dev, int index);
-
-/* -- End OF helpers -- */
-
/**
* irq_early_init - Init irq remapping subsystem
*/
{
struct macio_bus *bus; /* macio bus this device is on */
struct macio_dev *media_bay; /* Device is part of a media bay */
- struct of_device ofdev;
+ struct platform_device ofdev;
struct device_dma_parameters dma_parms; /* ide needs that */
int n_resources;
struct resource resource[MACIO_DEV_COUNT_RESOURCES];
+++ /dev/null
-#ifndef _ASM_POWERPC_OF_DEVICE_H
-#define _ASM_POWERPC_OF_DEVICE_H
-#ifdef __KERNEL__
-
-#include <linux/device.h>
-#include <linux/of.h>
-
-/*
- * The of_device is a kind of "base class" that is a superset of
- * struct device for use by devices attached to an OF node and
- * probed using OF properties.
- */
-struct of_device
-{
- struct device dev; /* Generic device interface */
- struct pdev_archdata archdata;
-};
-
-extern struct of_device *of_device_alloc(struct device_node *np,
- const char *bus_id,
- struct device *parent);
-
-extern int of_device_uevent(struct device *dev,
- struct kobj_uevent_env *env);
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_POWERPC_OF_DEVICE_H */
+++ /dev/null
-#ifndef _ASM_POWERPC_OF_PLATFORM_H
-#define _ASM_POWERPC_OF_PLATFORM_H
-/*
- * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- */
-
-/* Platform devices and busses creation */
-extern struct of_device *of_platform_device_create(struct device_node *np,
- const char *bus_id,
- struct device *parent);
-/* pseudo "matches" value to not do deep probe */
-#define OF_NO_DEEP_PROBE ((struct of_device_id *)-1)
-
-extern int of_platform_bus_probe(struct device_node *root,
- const struct of_device_id *matches,
- struct device *parent);
-
-extern struct of_device *of_find_device_by_phandle(phandle ph);
-
-extern void of_instantiate_rtc(void);
-
-#endif /* _ASM_POWERPC_OF_PLATFORM_H */
extern void pcibios_setup_phb_resources(struct pci_controller *hose);
#ifdef CONFIG_PCI
-extern unsigned long pci_address_to_pio(phys_addr_t address);
extern int pcibios_vaddr_is_ioport(void __iomem *address);
#else
-static inline unsigned long pci_address_to_pio(phys_addr_t address)
-{
- return (unsigned long)-1;
-}
static inline int pcibios_vaddr_is_ioport(void __iomem *address)
{
return 0;
* 2 of the License, or (at your option) any later version.
*/
#include <linux/types.h>
-#include <linux/of_fdt.h>
-#include <linux/proc_fs.h>
-#include <linux/platform_device.h>
#include <asm/irq.h>
#include <asm/atomic.h>
* OF address retreival & translation
*/
-/* Translate an OF address block into a CPU physical address
- */
-extern u64 of_translate_address(struct device_node *np, const u32 *addr);
-
/* Translate a DMA address from device space to CPU space */
extern u64 of_translate_dma_address(struct device_node *dev,
const u32 *in_addr);
-/* Extract an address from a device, returns the region size and
- * the address space flags too. The PCI version uses a BAR number
- * instead of an absolute index
- */
-extern const u32 *of_get_address(struct device_node *dev, int index,
- u64 *size, unsigned int *flags);
#ifdef CONFIG_PCI
-extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no,
- u64 *size, unsigned int *flags);
-#else
-static inline const u32 *of_get_pci_address(struct device_node *dev,
- int bar_no, u64 *size, unsigned int *flags)
-{
- return NULL;
-}
-#endif /* CONFIG_PCI */
-
-/* Get an address as a resource. Note that if your address is
- * a PIO address, the conversion will fail if the physical address
- * can't be internally converted to an IO token with
- * pci_address_to_pio(), that is because it's either called to early
- * or it can't be matched to any host bridge IO space
- */
-extern int of_address_to_resource(struct device_node *dev, int index,
- struct resource *r);
-#ifdef CONFIG_PCI
-extern int of_pci_address_to_resource(struct device_node *dev, int bar,
- struct resource *r);
-#else
-static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
- struct resource *r)
-{
- return -ENOSYS;
-}
-#endif /* CONFIG_PCI */
+extern unsigned long pci_address_to_pio(phys_addr_t address);
+#define pci_address_to_pio pci_address_to_pio
+#endif /* CONFIG_PCI */
/* Parse the ibm,dma-window property of an OF node into the busno, phys and
* size parameters.
/* Get the MAC address */
extern const void *of_get_mac_address(struct device_node *np);
-/*
- * OF interrupt mapping
- */
-
-/* This structure is returned when an interrupt is mapped. The controller
- * field needs to be put() after use
- */
-
-#define OF_MAX_IRQ_SPEC 4 /* We handle specifiers of at most 4 cells */
-
-struct of_irq {
- struct device_node *controller; /* Interrupt controller node */
- u32 size; /* Specifier size */
- u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */
-};
-
-/**
- * of_irq_map_init - Initialize the irq remapper
- * @flags: flags defining workarounds to enable
- *
- * Some machines have bugs in the device-tree which require certain workarounds
- * to be applied. Call this before any interrupt mapping attempts to enable
- * those workarounds.
- */
-#define OF_IMAP_OLDWORLD_MAC 0x00000001
-#define OF_IMAP_NO_PHANDLE 0x00000002
-
-extern void of_irq_map_init(unsigned int flags);
-
-/**
- * of_irq_map_raw - Low level interrupt tree parsing
- * @parent: the device interrupt parent
- * @intspec: interrupt specifier ("interrupts" property of the device)
- * @ointsize: size of the passed in interrupt specifier
- * @addr: address specifier (start of "reg" property of the device)
- * @out_irq: structure of_irq filled by this function
- *
- * Returns 0 on success and a negative number on error
- *
- * This function is a low-level interrupt tree walking function. It
- * can be used to do a partial walk with synthetized reg and interrupts
- * properties, for example when resolving PCI interrupts when no device
- * node exist for the parent.
- *
- */
-
-extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec,
- u32 ointsize, const u32 *addr,
- struct of_irq *out_irq);
-
-
-/**
- * of_irq_map_one - Resolve an interrupt for a device
- * @device: the device whose interrupt is to be resolved
- * @index: index of the interrupt to resolve
- * @out_irq: structure of_irq filled by this function
- *
- * This function resolves an interrupt, walking the tree, for a given
- * device-tree node. It's the high level pendant to of_irq_map_raw().
- * It also implements the workarounds for OldWolrd Macs.
- */
-extern int of_irq_map_one(struct device_node *device, int index,
- struct of_irq *out_irq);
+#ifdef CONFIG_NUMA
+extern int of_node_to_nid(struct device_node *device);
+#else
+static inline int of_node_to_nid(struct device_node *device) { return 0; }
+#endif
+#define of_node_to_nid of_node_to_nid
/**
* of_irq_map_pci - Resolve the interrupt for a PCI device
* resolving using the OF tree walking.
*/
struct pci_dev;
+struct of_irq;
extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
-extern int of_irq_to_resource(struct device_node *dev, int index,
- struct resource *r);
+extern void of_instantiate_rtc(void);
-/**
- * of_iomap - Maps the memory mapped IO for a given device_node
- * @device: the device whose io range will be mapped
- * @index: index of the io range
- *
- * Returns a pointer to the mapped memory
- */
-extern void __iomem *of_iomap(struct device_node *device, int index);
+/* These includes are put at the bottom because they may contain things
+ * that are overridden by this file. Ideally they shouldn't be included
+ * by this file, but there are a bunch of .c files that currently depend
+ * on it. Eventually they will be cleaned up. */
+#include <linux/of_fdt.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/platform_device.h>
#endif /* __KERNEL__ */
#endif /* _POWERPC_PROM_H */
*/
extern int smu_init(void);
extern int smu_present(void);
-struct of_device;
-extern struct of_device *smu_get_ofdev(void);
+struct platform_device;
+extern struct platform_device *smu_get_ofdev(void);
/*
cpu_all_mask : \
node_to_cpumask_map[node])
-int of_node_to_nid(struct device_node *device);
-
struct pci_bus;
#ifdef CONFIG_PCI
extern int pcibus_to_node(struct pci_bus *bus);
#else
-static inline int of_node_to_nid(struct device_node *device)
-{
- return 0;
-}
-
static inline void dump_numa_cpu_topology(void) {}
static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid)
obj-$(CONFIG_PPC64) += vdso64/
obj-$(CONFIG_ALTIVEC) += vecemu.o
obj-$(CONFIG_PPC_970_NAP) += idle_power4.o
-obj-$(CONFIG_PPC_OF) += of_device.o of_platform.o prom_parse.o
+obj-$(CONFIG_PPC_OF) += of_platform.o prom_parse.o
obj-$(CONFIG_PPC_CLOCK) += clock.o
procfs-y := proc_powerpc.o
obj-$(CONFIG_PROC_FS) += $(procfs-y)
.priority = 0,
};
-static struct notifier_block ppc_swiotlb_of_bus_notifier = {
- .notifier_call = ppc_swiotlb_bus_notify,
- .priority = 0,
-};
-
int __init swiotlb_setup_bus_notifier(void)
{
bus_register_notifier(&platform_bus_type,
&ppc_swiotlb_plat_bus_notifier);
- bus_register_notifier(&of_platform_bus_type,
- &ppc_swiotlb_of_bus_notifier);
-
return 0;
}
static int ibmebus_match_path(struct device *dev, void *data)
{
- struct device_node *dn = to_of_device(dev)->dev.of_node;
+ struct device_node *dn = to_platform_device(dev)->dev.of_node;
return (dn->full_name &&
(strcasecmp((char *)data, dn->full_name) == 0));
}
static int ibmebus_match_node(struct device *dev, void *data)
{
- return to_of_device(dev)->dev.of_node == data;
+ return to_platform_device(dev)->dev.of_node == data;
}
static int ibmebus_create_device(struct device_node *dn)
{
- struct of_device *dev;
+ struct platform_device *dev;
int ret;
dev = of_device_alloc(dn, NULL, &ibmebus_bus_device);
if ((dev = bus_find_device(&ibmebus_bus_type, NULL, path,
ibmebus_match_path))) {
- of_device_unregister(to_of_device(dev));
+ of_device_unregister(to_platform_device(dev));
kfree(path);
return count;
#include <linux/bootmem.h>
#include <linux/pci.h>
#include <linux/debugfs.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
#include <asm/uaccess.h>
#include <asm/system.h>
}
EXPORT_SYMBOL_GPL(irq_create_of_mapping);
-unsigned int irq_of_parse_and_map(struct device_node *dev, int index)
-{
- struct of_irq oirq;
-
- if (of_irq_map_one(dev, index, &oirq))
- return NO_IRQ;
-
- return irq_create_of_mapping(oirq.controller, oirq.specifier,
- oirq.size);
-}
-EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
-
void irq_dispose_mapping(unsigned int virq)
{
struct irq_host *host;
#include <linux/serial_core.h>
#include <linux/console.h>
#include <linux/pci.h>
+#include <linux/of_address.h>
#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/mmu.h>
+++ /dev/null
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/of.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/mod_devicetable.h>
-#include <linux/slab.h>
-#include <linux/of_device.h>
-
-#include <asm/errno.h>
-#include <asm/dcr.h>
-
-static void of_device_make_bus_id(struct of_device *dev)
-{
- static atomic_t bus_no_reg_magic;
- struct device_node *node = dev->dev.of_node;
- const u32 *reg;
- u64 addr;
- int magic;
-
- /*
- * If it's a DCR based device, use 'd' for native DCRs
- * and 'D' for MMIO DCRs.
- */
-#ifdef CONFIG_PPC_DCR
- reg = of_get_property(node, "dcr-reg", NULL);
- if (reg) {
-#ifdef CONFIG_PPC_DCR_NATIVE
- dev_set_name(&dev->dev, "d%x.%s", *reg, node->name);
-#else /* CONFIG_PPC_DCR_NATIVE */
- addr = of_translate_dcr_address(node, *reg, NULL);
- if (addr != OF_BAD_ADDR) {
- dev_set_name(&dev->dev, "D%llx.%s",
- (unsigned long long)addr, node->name);
- return;
- }
-#endif /* !CONFIG_PPC_DCR_NATIVE */
- }
-#endif /* CONFIG_PPC_DCR */
-
- /*
- * For MMIO, get the physical address
- */
- reg = of_get_property(node, "reg", NULL);
- if (reg) {
- addr = of_translate_address(node, reg);
- if (addr != OF_BAD_ADDR) {
- dev_set_name(&dev->dev, "%llx.%s",
- (unsigned long long)addr, node->name);
- return;
- }
- }
-
- /*
- * No BusID, use the node name and add a globally incremented
- * counter (and pray...)
- */
- magic = atomic_add_return(1, &bus_no_reg_magic);
- dev_set_name(&dev->dev, "%s.%d", node->name, magic - 1);
-}
-
-struct of_device *of_device_alloc(struct device_node *np,
- const char *bus_id,
- struct device *parent)
-{
- struct of_device *dev;
-
- dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (!dev)
- return NULL;
-
- dev->dev.of_node = of_node_get(np);
- dev->dev.dma_mask = &dev->archdata.dma_mask;
- dev->dev.parent = parent;
- dev->dev.release = of_release_dev;
-
- if (bus_id)
- dev_set_name(&dev->dev, "%s", bus_id);
- else
- of_device_make_bus_id(dev);
-
- return dev;
-}
-EXPORT_SYMBOL(of_device_alloc);
-
-int of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
-{
- struct of_device *ofdev;
- const char *compat;
- int seen = 0, cplen, sl;
-
- if (!dev)
- return -ENODEV;
-
- ofdev = to_of_device(dev);
-
- if (add_uevent_var(env, "OF_NAME=%s", ofdev->dev.of_node->name))
- return -ENOMEM;
-
- if (add_uevent_var(env, "OF_TYPE=%s", ofdev->dev.of_node->type))
- return -ENOMEM;
-
- /* Since the compatible field can contain pretty much anything
- * it's not really legal to split it out with commas. We split it
- * up using a number of environment variables instead. */
-
- compat = of_get_property(ofdev->dev.of_node, "compatible", &cplen);
- while (compat && *compat && cplen > 0) {
- if (add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat))
- return -ENOMEM;
-
- sl = strlen (compat) + 1;
- compat += sl;
- cplen -= sl;
- seen++;
- }
-
- if (add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen))
- return -ENOMEM;
-
- /* modalias is trickier, we add it in 2 steps */
- if (add_uevent_var(env, "MODALIAS="))
- return -ENOMEM;
- sl = of_device_get_modalias(ofdev, &env->buf[env->buflen-1],
- sizeof(env->buf) - env->buflen);
- if (sl >= (sizeof(env->buf) - env->buflen))
- return -ENOMEM;
- env->buflen += sl;
-
- return 0;
-}
-EXPORT_SYMBOL(of_device_uevent);
-EXPORT_SYMBOL(of_device_get_modalias);
#include <asm/ppc-pci.h>
#include <asm/atomic.h>
-/*
- * The list of OF IDs below is used for matching bus types in the
- * system whose devices are to be exposed as of_platform_devices.
- *
- * This is the default list valid for most platforms. This file provides
- * functions who can take an explicit list if necessary though
- *
- * The search is always performed recursively looking for children of
- * the provided device_node and recursively if such a children matches
- * a bus type in the list
- */
-
-static const struct of_device_id of_default_bus_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .type = "spider", },
- { .type = "axon", },
- { .type = "plb5", },
- { .type = "plb4", },
- { .type = "opb", },
- { .type = "ebc", },
- {},
-};
-
-struct bus_type of_platform_bus_type = {
- .uevent = of_device_uevent,
-};
-EXPORT_SYMBOL(of_platform_bus_type);
-
-static int __init of_bus_driver_init(void)
-{
- return of_bus_type_init(&of_platform_bus_type, "of_platform");
-}
-
-postcore_initcall(of_bus_driver_init);
-
-struct of_device* of_platform_device_create(struct device_node *np,
- const char *bus_id,
- struct device *parent)
-{
- struct of_device *dev;
-
- dev = of_device_alloc(np, bus_id, parent);
- if (!dev)
- return NULL;
-
- dev->archdata.dma_mask = 0xffffffffUL;
- dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
-
- dev->dev.bus = &of_platform_bus_type;
-
- /* We do not fill the DMA ops for platform devices by default.
- * This is currently the responsibility of the platform code
- * to do such, possibly using a device notifier
- */
-
- if (of_device_register(dev) != 0) {
- of_device_free(dev);
- return NULL;
- }
-
- return dev;
-}
-EXPORT_SYMBOL(of_platform_device_create);
-
-
-
-/**
- * of_platform_bus_create - Create an OF device for a bus node and all its
- * children. Optionally recursively instanciate matching busses.
- * @bus: device node of the bus to instanciate
- * @matches: match table, NULL to use the default, OF_NO_DEEP_PROBE to
- * disallow recursive creation of child busses
- */
-static int of_platform_bus_create(const struct device_node *bus,
- const struct of_device_id *matches,
- struct device *parent)
-{
- struct device_node *child;
- struct of_device *dev;
- int rc = 0;
-
- for_each_child_of_node(bus, child) {
- pr_debug(" create child: %s\n", child->full_name);
- dev = of_platform_device_create(child, NULL, parent);
- if (dev == NULL)
- rc = -ENOMEM;
- else if (!of_match_node(matches, child))
- continue;
- if (rc == 0) {
- pr_debug(" and sub busses\n");
- rc = of_platform_bus_create(child, matches, &dev->dev);
- } if (rc) {
- of_node_put(child);
- break;
- }
- }
- return rc;
-}
-
-/**
- * of_platform_bus_probe - Probe the device-tree for platform busses
- * @root: parent of the first level to probe or NULL for the root of the tree
- * @matches: match table, NULL to use the default
- * @parent: parent to hook devices from, NULL for toplevel
- *
- * Note that children of the provided root are not instanciated as devices
- * unless the specified root itself matches the bus list and is not NULL.
- */
-
-int of_platform_bus_probe(struct device_node *root,
- const struct of_device_id *matches,
- struct device *parent)
-{
- struct device_node *child;
- struct of_device *dev;
- int rc = 0;
-
- if (matches == NULL)
- matches = of_default_bus_ids;
- if (matches == OF_NO_DEEP_PROBE)
- return -EINVAL;
- if (root == NULL)
- root = of_find_node_by_path("/");
- else
- of_node_get(root);
-
- pr_debug("of_platform_bus_probe()\n");
- pr_debug(" starting at: %s\n", root->full_name);
-
- /* Do a self check of bus type, if there's a match, create
- * children
- */
- if (of_match_node(matches, root)) {
- pr_debug(" root match, create all sub devices\n");
- dev = of_platform_device_create(root, NULL, parent);
- if (dev == NULL) {
- rc = -ENOMEM;
- goto bail;
- }
- pr_debug(" create all sub busses\n");
- rc = of_platform_bus_create(root, matches, &dev->dev);
- goto bail;
- }
- for_each_child_of_node(root, child) {
- if (!of_match_node(matches, child))
- continue;
-
- pr_debug(" match: %s\n", child->full_name);
- dev = of_platform_device_create(child, NULL, parent);
- if (dev == NULL)
- rc = -ENOMEM;
- else
- rc = of_platform_bus_create(child, matches, &dev->dev);
- if (rc) {
- of_node_put(child);
- break;
- }
- }
- bail:
- of_node_put(root);
- return rc;
-}
-EXPORT_SYMBOL(of_platform_bus_probe);
-
-static int of_dev_node_match(struct device *dev, void *data)
-{
- return to_of_device(dev)->dev.of_node == data;
-}
-
-struct of_device *of_find_device_by_node(struct device_node *np)
-{
- struct device *dev;
-
- dev = bus_find_device(&of_platform_bus_type,
- NULL, np, of_dev_node_match);
- if (dev)
- return to_of_device(dev);
- return NULL;
-}
-EXPORT_SYMBOL(of_find_device_by_node);
-
-static int of_dev_phandle_match(struct device *dev, void *data)
-{
- phandle *ph = data;
- return to_of_device(dev)->dev.of_node->phandle == *ph;
-}
-
-struct of_device *of_find_device_by_phandle(phandle ph)
-{
- struct device *dev;
-
- dev = bus_find_device(&of_platform_bus_type,
- NULL, &ph, of_dev_phandle_match);
- if (dev)
- return to_of_device(dev);
- return NULL;
-}
-EXPORT_SYMBOL(of_find_device_by_phandle);
-
-
#ifdef CONFIG_PPC_OF_PLATFORM_PCI
/* The probing of PCI controllers from of_platform is currently
* lacking some bits needed here.
*/
-static int __devinit of_pci_phb_probe(struct of_device *dev,
+static int __devinit of_pci_phb_probe(struct platform_device *dev,
const struct of_device_id *match)
{
struct pci_controller *phb;
#include <linux/string.h>
#include <linux/init.h>
#include <linux/bootmem.h>
+#include <linux/of_address.h>
#include <linux/mm.h>
#include <linux/list.h>
#include <linux/syscalls.h>
#include <linux/module.h>
#include <linux/ioport.h>
#include <linux/etherdevice.h>
+#include <linux/of_address.h>
#include <asm/prom.h>
#include <asm/pci-bridge.h>
-#ifdef DEBUG
-#define DBG(fmt...) do { printk(fmt); } while(0)
-#else
-#define DBG(fmt...) do { } while(0)
-#endif
-
-#ifdef CONFIG_PPC64
-#define PRu64 "%lx"
-#else
-#define PRu64 "%llx"
-#endif
-
-/* Max address size we deal with */
-#define OF_MAX_ADDR_CELLS 4
-#define OF_CHECK_COUNTS(na, ns) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \
- (ns) > 0)
-
-static struct of_bus *of_match_bus(struct device_node *np);
-static int __of_address_to_resource(struct device_node *dev,
- const u32 *addrp, u64 size, unsigned int flags,
- struct resource *r);
-
-
-/* Debug utility */
-#ifdef DEBUG
-static void of_dump_addr(const char *s, const u32 *addr, int na)
-{
- printk("%s", s);
- while(na--)
- printk(" %08x", *(addr++));
- printk("\n");
-}
-#else
-static void of_dump_addr(const char *s, const u32 *addr, int na) { }
-#endif
-
-
-/* Callbacks for bus specific translators */
-struct of_bus {
- const char *name;
- const char *addresses;
- int (*match)(struct device_node *parent);
- void (*count_cells)(struct device_node *child,
- int *addrc, int *sizec);
- u64 (*map)(u32 *addr, const u32 *range,
- int na, int ns, int pna);
- int (*translate)(u32 *addr, u64 offset, int na);
- unsigned int (*get_flags)(const u32 *addr);
-};
-
-
-/*
- * Default translator (generic bus)
- */
-
-static void of_bus_default_count_cells(struct device_node *dev,
- int *addrc, int *sizec)
-{
- if (addrc)
- *addrc = of_n_addr_cells(dev);
- if (sizec)
- *sizec = of_n_size_cells(dev);
-}
-
-static u64 of_bus_default_map(u32 *addr, const u32 *range,
- int na, int ns, int pna)
-{
- u64 cp, s, da;
-
- cp = of_read_number(range, na);
- s = of_read_number(range + na + pna, ns);
- da = of_read_number(addr, na);
-
- DBG("OF: default map, cp="PRu64", s="PRu64", da="PRu64"\n",
- cp, s, da);
-
- if (da < cp || da >= (cp + s))
- return OF_BAD_ADDR;
- return da - cp;
-}
-
-static int of_bus_default_translate(u32 *addr, u64 offset, int na)
-{
- u64 a = of_read_number(addr, na);
- memset(addr, 0, na * 4);
- a += offset;
- if (na > 1)
- addr[na - 2] = a >> 32;
- addr[na - 1] = a & 0xffffffffu;
-
- return 0;
-}
-
-static unsigned int of_bus_default_get_flags(const u32 *addr)
-{
- return IORESOURCE_MEM;
-}
-
-
#ifdef CONFIG_PCI
-/*
- * PCI bus specific translator
- */
-
-static int of_bus_pci_match(struct device_node *np)
-{
- /* "vci" is for the /chaos bridge on 1st-gen PCI powermacs */
- return !strcmp(np->type, "pci") || !strcmp(np->type, "vci");
-}
-
-static void of_bus_pci_count_cells(struct device_node *np,
- int *addrc, int *sizec)
-{
- if (addrc)
- *addrc = 3;
- if (sizec)
- *sizec = 2;
-}
-
-static unsigned int of_bus_pci_get_flags(const u32 *addr)
-{
- unsigned int flags = 0;
- u32 w = addr[0];
-
- switch((w >> 24) & 0x03) {
- case 0x01:
- flags |= IORESOURCE_IO;
- break;
- case 0x02: /* 32 bits */
- case 0x03: /* 64 bits */
- flags |= IORESOURCE_MEM;
- break;
- }
- if (w & 0x40000000)
- flags |= IORESOURCE_PREFETCH;
- return flags;
-}
-
-static u64 of_bus_pci_map(u32 *addr, const u32 *range, int na, int ns, int pna)
-{
- u64 cp, s, da;
- unsigned int af, rf;
-
- af = of_bus_pci_get_flags(addr);
- rf = of_bus_pci_get_flags(range);
-
- /* Check address type match */
- if ((af ^ rf) & (IORESOURCE_MEM | IORESOURCE_IO))
- return OF_BAD_ADDR;
-
- /* Read address values, skipping high cell */
- cp = of_read_number(range + 1, na - 1);
- s = of_read_number(range + na + pna, ns);
- da = of_read_number(addr + 1, na - 1);
-
- DBG("OF: PCI map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da);
-
- if (da < cp || da >= (cp + s))
- return OF_BAD_ADDR;
- return da - cp;
-}
-
-static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
-{
- return of_bus_default_translate(addr + 1, offset, na - 1);
-}
-
-const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
- unsigned int *flags)
-{
- const u32 *prop;
- unsigned int psize;
- struct device_node *parent;
- struct of_bus *bus;
- int onesize, i, na, ns;
-
- /* Get parent & match bus type */
- parent = of_get_parent(dev);
- if (parent == NULL)
- return NULL;
- bus = of_match_bus(parent);
- if (strcmp(bus->name, "pci")) {
- of_node_put(parent);
- return NULL;
- }
- bus->count_cells(dev, &na, &ns);
- of_node_put(parent);
- if (!OF_CHECK_COUNTS(na, ns))
- return NULL;
-
- /* Get "reg" or "assigned-addresses" property */
- prop = of_get_property(dev, bus->addresses, &psize);
- if (prop == NULL)
- return NULL;
- psize /= 4;
-
- onesize = na + ns;
- for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
- if ((prop[0] & 0xff) == ((bar_no * 4) + PCI_BASE_ADDRESS_0)) {
- if (size)
- *size = of_read_number(prop + na, ns);
- if (flags)
- *flags = bus->get_flags(prop);
- return prop;
- }
- return NULL;
-}
-EXPORT_SYMBOL(of_get_pci_address);
-
-int of_pci_address_to_resource(struct device_node *dev, int bar,
- struct resource *r)
-{
- const u32 *addrp;
- u64 size;
- unsigned int flags;
-
- addrp = of_get_pci_address(dev, bar, &size, &flags);
- if (addrp == NULL)
- return -EINVAL;
- return __of_address_to_resource(dev, addrp, size, flags, r);
-}
-EXPORT_SYMBOL_GPL(of_pci_address_to_resource);
-
int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
{
struct device_node *dn, *ppnode;
EXPORT_SYMBOL_GPL(of_irq_map_pci);
#endif /* CONFIG_PCI */
-/*
- * ISA bus specific translator
- */
-
-static int of_bus_isa_match(struct device_node *np)
-{
- return !strcmp(np->name, "isa");
-}
-
-static void of_bus_isa_count_cells(struct device_node *child,
- int *addrc, int *sizec)
-{
- if (addrc)
- *addrc = 2;
- if (sizec)
- *sizec = 1;
-}
-
-static u64 of_bus_isa_map(u32 *addr, const u32 *range, int na, int ns, int pna)
-{
- u64 cp, s, da;
-
- /* Check address type match */
- if ((addr[0] ^ range[0]) & 0x00000001)
- return OF_BAD_ADDR;
-
- /* Read address values, skipping high cell */
- cp = of_read_number(range + 1, na - 1);
- s = of_read_number(range + na + pna, ns);
- da = of_read_number(addr + 1, na - 1);
-
- DBG("OF: ISA map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da);
-
- if (da < cp || da >= (cp + s))
- return OF_BAD_ADDR;
- return da - cp;
-}
-
-static int of_bus_isa_translate(u32 *addr, u64 offset, int na)
-{
- return of_bus_default_translate(addr + 1, offset, na - 1);
-}
-
-static unsigned int of_bus_isa_get_flags(const u32 *addr)
-{
- unsigned int flags = 0;
- u32 w = addr[0];
-
- if (w & 1)
- flags |= IORESOURCE_IO;
- else
- flags |= IORESOURCE_MEM;
- return flags;
-}
-
-
-/*
- * Array of bus specific translators
- */
-
-static struct of_bus of_busses[] = {
-#ifdef CONFIG_PCI
- /* PCI */
- {
- .name = "pci",
- .addresses = "assigned-addresses",
- .match = of_bus_pci_match,
- .count_cells = of_bus_pci_count_cells,
- .map = of_bus_pci_map,
- .translate = of_bus_pci_translate,
- .get_flags = of_bus_pci_get_flags,
- },
-#endif /* CONFIG_PCI */
- /* ISA */
- {
- .name = "isa",
- .addresses = "reg",
- .match = of_bus_isa_match,
- .count_cells = of_bus_isa_count_cells,
- .map = of_bus_isa_map,
- .translate = of_bus_isa_translate,
- .get_flags = of_bus_isa_get_flags,
- },
- /* Default */
- {
- .name = "default",
- .addresses = "reg",
- .match = NULL,
- .count_cells = of_bus_default_count_cells,
- .map = of_bus_default_map,
- .translate = of_bus_default_translate,
- .get_flags = of_bus_default_get_flags,
- },
-};
-
-static struct of_bus *of_match_bus(struct device_node *np)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(of_busses); i ++)
- if (!of_busses[i].match || of_busses[i].match(np))
- return &of_busses[i];
- BUG();
- return NULL;
-}
-
-static int of_translate_one(struct device_node *parent, struct of_bus *bus,
- struct of_bus *pbus, u32 *addr,
- int na, int ns, int pna, const char *rprop)
-{
- const u32 *ranges;
- unsigned int rlen;
- int rone;
- u64 offset = OF_BAD_ADDR;
-
- /* Normally, an absence of a "ranges" property means we are
- * crossing a non-translatable boundary, and thus the addresses
- * below the current not cannot be converted to CPU physical ones.
- * Unfortunately, while this is very clear in the spec, it's not
- * what Apple understood, and they do have things like /uni-n or
- * /ht nodes with no "ranges" property and a lot of perfectly
- * useable mapped devices below them. Thus we treat the absence of
- * "ranges" as equivalent to an empty "ranges" property which means
- * a 1:1 translation at that level. It's up to the caller not to try
- * to translate addresses that aren't supposed to be translated in
- * the first place. --BenH.
- */
- ranges = of_get_property(parent, rprop, &rlen);
- if (ranges == NULL || rlen == 0) {
- offset = of_read_number(addr, na);
- memset(addr, 0, pna * 4);
- DBG("OF: no ranges, 1:1 translation\n");
- goto finish;
- }
-
- DBG("OF: walking ranges...\n");
-
- /* Now walk through the ranges */
- rlen /= 4;
- rone = na + pna + ns;
- for (; rlen >= rone; rlen -= rone, ranges += rone) {
- offset = bus->map(addr, ranges, na, ns, pna);
- if (offset != OF_BAD_ADDR)
- break;
- }
- if (offset == OF_BAD_ADDR) {
- DBG("OF: not found !\n");
- return 1;
- }
- memcpy(addr, ranges + na, 4 * pna);
-
- finish:
- of_dump_addr("OF: parent translation for:", addr, pna);
- DBG("OF: with offset: "PRu64"\n", offset);
-
- /* Translate it into parent bus space */
- return pbus->translate(addr, offset, pna);
-}
-
-
-/*
- * Translate an address from the device-tree into a CPU physical address,
- * this walks up the tree and applies the various bus mappings on the
- * way.
- *
- * Note: We consider that crossing any level with #size-cells == 0 to mean
- * that translation is impossible (that is we are not dealing with a value
- * that can be mapped to a cpu physical address). This is not really specified
- * that way, but this is traditionally the way IBM at least do things
- */
-u64 __of_translate_address(struct device_node *dev, const u32 *in_addr,
- const char *rprop)
-{
- struct device_node *parent = NULL;
- struct of_bus *bus, *pbus;
- u32 addr[OF_MAX_ADDR_CELLS];
- int na, ns, pna, pns;
- u64 result = OF_BAD_ADDR;
-
- DBG("OF: ** translation for device %s **\n", dev->full_name);
-
- /* Increase refcount at current level */
- of_node_get(dev);
-
- /* Get parent & match bus type */
- parent = of_get_parent(dev);
- if (parent == NULL)
- goto bail;
- bus = of_match_bus(parent);
-
- /* Cound address cells & copy address locally */
- bus->count_cells(dev, &na, &ns);
- if (!OF_CHECK_COUNTS(na, ns)) {
- printk(KERN_ERR "prom_parse: Bad cell count for %s\n",
- dev->full_name);
- goto bail;
- }
- memcpy(addr, in_addr, na * 4);
-
- DBG("OF: bus is %s (na=%d, ns=%d) on %s\n",
- bus->name, na, ns, parent->full_name);
- of_dump_addr("OF: translating address:", addr, na);
-
- /* Translate */
- for (;;) {
- /* Switch to parent bus */
- of_node_put(dev);
- dev = parent;
- parent = of_get_parent(dev);
-
- /* If root, we have finished */
- if (parent == NULL) {
- DBG("OF: reached root node\n");
- result = of_read_number(addr, na);
- break;
- }
-
- /* Get new parent bus and counts */
- pbus = of_match_bus(parent);
- pbus->count_cells(dev, &pna, &pns);
- if (!OF_CHECK_COUNTS(pna, pns)) {
- printk(KERN_ERR "prom_parse: Bad cell count for %s\n",
- dev->full_name);
- break;
- }
-
- DBG("OF: parent bus is %s (na=%d, ns=%d) on %s\n",
- pbus->name, pna, pns, parent->full_name);
-
- /* Apply bus translation */
- if (of_translate_one(dev, bus, pbus, addr, na, ns, pna, rprop))
- break;
-
- /* Complete the move up one level */
- na = pna;
- ns = pns;
- bus = pbus;
-
- of_dump_addr("OF: one level translation:", addr, na);
- }
- bail:
- of_node_put(parent);
- of_node_put(dev);
-
- return result;
-}
-
-u64 of_translate_address(struct device_node *dev, const u32 *in_addr)
-{
- return __of_translate_address(dev, in_addr, "ranges");
-}
-EXPORT_SYMBOL(of_translate_address);
-
-u64 of_translate_dma_address(struct device_node *dev, const u32 *in_addr)
-{
- return __of_translate_address(dev, in_addr, "dma-ranges");
-}
-EXPORT_SYMBOL(of_translate_dma_address);
-
-const u32 *of_get_address(struct device_node *dev, int index, u64 *size,
- unsigned int *flags)
-{
- const u32 *prop;
- unsigned int psize;
- struct device_node *parent;
- struct of_bus *bus;
- int onesize, i, na, ns;
-
- /* Get parent & match bus type */
- parent = of_get_parent(dev);
- if (parent == NULL)
- return NULL;
- bus = of_match_bus(parent);
- bus->count_cells(dev, &na, &ns);
- of_node_put(parent);
- if (!OF_CHECK_COUNTS(na, ns))
- return NULL;
-
- /* Get "reg" or "assigned-addresses" property */
- prop = of_get_property(dev, bus->addresses, &psize);
- if (prop == NULL)
- return NULL;
- psize /= 4;
-
- onesize = na + ns;
- for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
- if (i == index) {
- if (size)
- *size = of_read_number(prop + na, ns);
- if (flags)
- *flags = bus->get_flags(prop);
- return prop;
- }
- return NULL;
-}
-EXPORT_SYMBOL(of_get_address);
-
-static int __of_address_to_resource(struct device_node *dev, const u32 *addrp,
- u64 size, unsigned int flags,
- struct resource *r)
-{
- u64 taddr;
-
- if ((flags & (IORESOURCE_IO | IORESOURCE_MEM)) == 0)
- return -EINVAL;
- taddr = of_translate_address(dev, addrp);
- if (taddr == OF_BAD_ADDR)
- return -EINVAL;
- memset(r, 0, sizeof(struct resource));
- if (flags & IORESOURCE_IO) {
- unsigned long port;
- port = pci_address_to_pio(taddr);
- if (port == (unsigned long)-1)
- return -EINVAL;
- r->start = port;
- r->end = port + size - 1;
- } else {
- r->start = taddr;
- r->end = taddr + size - 1;
- }
- r->flags = flags;
- r->name = dev->name;
- return 0;
-}
-
-int of_address_to_resource(struct device_node *dev, int index,
- struct resource *r)
-{
- const u32 *addrp;
- u64 size;
- unsigned int flags;
-
- addrp = of_get_address(dev, index, &size, &flags);
- if (addrp == NULL)
- return -EINVAL;
- return __of_address_to_resource(dev, addrp, size, flags, r);
-}
-EXPORT_SYMBOL_GPL(of_address_to_resource);
-
void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
unsigned long *busno, unsigned long *phys, unsigned long *size)
{
*size = of_read_number(dma_window, cells);
}
-/*
- * Interrupt remapper
- */
-
-static unsigned int of_irq_workarounds;
-static struct device_node *of_irq_dflt_pic;
-
-static struct device_node *of_irq_find_parent(struct device_node *child)
-{
- struct device_node *p;
- const phandle *parp;
-
- if (!of_node_get(child))
- return NULL;
-
- do {
- parp = of_get_property(child, "interrupt-parent", NULL);
- if (parp == NULL)
- p = of_get_parent(child);
- else {
- if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
- p = of_node_get(of_irq_dflt_pic);
- else
- p = of_find_node_by_phandle(*parp);
- }
- of_node_put(child);
- child = p;
- } while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL);
-
- return p;
-}
-
-/* This doesn't need to be called if you don't have any special workaround
- * flags to pass
- */
-void of_irq_map_init(unsigned int flags)
-{
- of_irq_workarounds = flags;
-
- /* OldWorld, don't bother looking at other things */
- if (flags & OF_IMAP_OLDWORLD_MAC)
- return;
-
- /* If we don't have phandles, let's try to locate a default interrupt
- * controller (happens when booting with BootX). We do a first match
- * here, hopefully, that only ever happens on machines with one
- * controller.
- */
- if (flags & OF_IMAP_NO_PHANDLE) {
- struct device_node *np;
-
- for_each_node_with_property(np, "interrupt-controller") {
- /* Skip /chosen/interrupt-controller */
- if (strcmp(np->name, "chosen") == 0)
- continue;
- /* It seems like at least one person on this planet wants
- * to use BootX on a machine with an AppleKiwi controller
- * which happens to pretend to be an interrupt
- * controller too.
- */
- if (strcmp(np->name, "AppleKiwi") == 0)
- continue;
- /* I think we found one ! */
- of_irq_dflt_pic = np;
- break;
- }
- }
-
-}
-
-int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize,
- const u32 *addr, struct of_irq *out_irq)
-{
- struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL;
- const u32 *tmp, *imap, *imask;
- u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0;
- int imaplen, match, i;
-
- DBG("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],ointsize=%d\n",
- parent->full_name, intspec[0], intspec[1], ointsize);
-
- ipar = of_node_get(parent);
-
- /* First get the #interrupt-cells property of the current cursor
- * that tells us how to interpret the passed-in intspec. If there
- * is none, we are nice and just walk up the tree
- */
- do {
- tmp = of_get_property(ipar, "#interrupt-cells", NULL);
- if (tmp != NULL) {
- intsize = *tmp;
- break;
- }
- tnode = ipar;
- ipar = of_irq_find_parent(ipar);
- of_node_put(tnode);
- } while (ipar);
- if (ipar == NULL) {
- DBG(" -> no parent found !\n");
- goto fail;
- }
-
- DBG("of_irq_map_raw: ipar=%s, size=%d\n", ipar->full_name, intsize);
-
- if (ointsize != intsize)
- return -EINVAL;
-
- /* Look for this #address-cells. We have to implement the old linux
- * trick of looking for the parent here as some device-trees rely on it
- */
- old = of_node_get(ipar);
- do {
- tmp = of_get_property(old, "#address-cells", NULL);
- tnode = of_get_parent(old);
- of_node_put(old);
- old = tnode;
- } while(old && tmp == NULL);
- of_node_put(old);
- old = NULL;
- addrsize = (tmp == NULL) ? 2 : *tmp;
-
- DBG(" -> addrsize=%d\n", addrsize);
-
- /* Now start the actual "proper" walk of the interrupt tree */
- while (ipar != NULL) {
- /* Now check if cursor is an interrupt-controller and if it is
- * then we are done
- */
- if (of_get_property(ipar, "interrupt-controller", NULL) !=
- NULL) {
- DBG(" -> got it !\n");
- memcpy(out_irq->specifier, intspec,
- intsize * sizeof(u32));
- out_irq->size = intsize;
- out_irq->controller = ipar;
- of_node_put(old);
- return 0;
- }
-
- /* Now look for an interrupt-map */
- imap = of_get_property(ipar, "interrupt-map", &imaplen);
- /* No interrupt map, check for an interrupt parent */
- if (imap == NULL) {
- DBG(" -> no map, getting parent\n");
- newpar = of_irq_find_parent(ipar);
- goto skiplevel;
- }
- imaplen /= sizeof(u32);
-
- /* Look for a mask */
- imask = of_get_property(ipar, "interrupt-map-mask", NULL);
-
- /* If we were passed no "reg" property and we attempt to parse
- * an interrupt-map, then #address-cells must be 0.
- * Fail if it's not.
- */
- if (addr == NULL && addrsize != 0) {
- DBG(" -> no reg passed in when needed !\n");
- goto fail;
- }
-
- /* Parse interrupt-map */
- match = 0;
- while (imaplen > (addrsize + intsize + 1) && !match) {
- /* Compare specifiers */
- match = 1;
- for (i = 0; i < addrsize && match; ++i) {
- u32 mask = imask ? imask[i] : 0xffffffffu;
- match = ((addr[i] ^ imap[i]) & mask) == 0;
- }
- for (; i < (addrsize + intsize) && match; ++i) {
- u32 mask = imask ? imask[i] : 0xffffffffu;
- match =
- ((intspec[i-addrsize] ^ imap[i]) & mask) == 0;
- }
- imap += addrsize + intsize;
- imaplen -= addrsize + intsize;
-
- DBG(" -> match=%d (imaplen=%d)\n", match, imaplen);
-
- /* Get the interrupt parent */
- if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
- newpar = of_node_get(of_irq_dflt_pic);
- else
- newpar = of_find_node_by_phandle((phandle)*imap);
- imap++;
- --imaplen;
-
- /* Check if not found */
- if (newpar == NULL) {
- DBG(" -> imap parent not found !\n");
- goto fail;
- }
-
- /* Get #interrupt-cells and #address-cells of new
- * parent
- */
- tmp = of_get_property(newpar, "#interrupt-cells", NULL);
- if (tmp == NULL) {
- DBG(" -> parent lacks #interrupt-cells !\n");
- goto fail;
- }
- newintsize = *tmp;
- tmp = of_get_property(newpar, "#address-cells", NULL);
- newaddrsize = (tmp == NULL) ? 0 : *tmp;
-
- DBG(" -> newintsize=%d, newaddrsize=%d\n",
- newintsize, newaddrsize);
-
- /* Check for malformed properties */
- if (imaplen < (newaddrsize + newintsize))
- goto fail;
-
- imap += newaddrsize + newintsize;
- imaplen -= newaddrsize + newintsize;
-
- DBG(" -> imaplen=%d\n", imaplen);
- }
- if (!match)
- goto fail;
-
- of_node_put(old);
- old = of_node_get(newpar);
- addrsize = newaddrsize;
- intsize = newintsize;
- intspec = imap - intsize;
- addr = intspec - addrsize;
-
- skiplevel:
- /* Iterate again with new parent */
- DBG(" -> new parent: %s\n", newpar ? newpar->full_name : "<>");
- of_node_put(ipar);
- ipar = newpar;
- newpar = NULL;
- }
- fail:
- of_node_put(ipar);
- of_node_put(old);
- of_node_put(newpar);
-
- return -EINVAL;
-}
-EXPORT_SYMBOL_GPL(of_irq_map_raw);
-
-#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)
-static int of_irq_map_oldworld(struct device_node *device, int index,
- struct of_irq *out_irq)
-{
- const u32 *ints = NULL;
- int intlen;
-
- /*
- * Old machines just have a list of interrupt numbers
- * and no interrupt-controller nodes. We also have dodgy
- * cases where the APPL,interrupts property is completely
- * missing behind pci-pci bridges and we have to get it
- * from the parent (the bridge itself, as apple just wired
- * everything together on these)
- */
- while (device) {
- ints = of_get_property(device, "AAPL,interrupts", &intlen);
- if (ints != NULL)
- break;
- device = device->parent;
- if (device && strcmp(device->type, "pci") != 0)
- break;
- }
- if (ints == NULL)
- return -EINVAL;
- intlen /= sizeof(u32);
-
- if (index >= intlen)
- return -EINVAL;
-
- out_irq->controller = NULL;
- out_irq->specifier[0] = ints[index];
- out_irq->size = 1;
-
- return 0;
-}
-#else /* defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32) */
-static int of_irq_map_oldworld(struct device_node *device, int index,
- struct of_irq *out_irq)
-{
- return -EINVAL;
-}
-#endif /* !(defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)) */
-
-int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq)
-{
- struct device_node *p;
- const u32 *intspec, *tmp, *addr;
- u32 intsize, intlen;
- int res = -EINVAL;
-
- DBG("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index);
-
- /* OldWorld mac stuff is "special", handle out of line */
- if (of_irq_workarounds & OF_IMAP_OLDWORLD_MAC)
- return of_irq_map_oldworld(device, index, out_irq);
-
- /* Get the interrupts property */
- intspec = of_get_property(device, "interrupts", &intlen);
- if (intspec == NULL)
- return -EINVAL;
- intlen /= sizeof(u32);
-
- /* Get the reg property (if any) */
- addr = of_get_property(device, "reg", NULL);
-
- /* Look for the interrupt parent. */
- p = of_irq_find_parent(device);
- if (p == NULL)
- return -EINVAL;
-
- /* Get size of interrupt specifier */
- tmp = of_get_property(p, "#interrupt-cells", NULL);
- if (tmp == NULL)
- goto out;
- intsize = *tmp;
-
- DBG(" intsize=%d intlen=%d\n", intsize, intlen);
-
- /* Check index */
- if ((index + 1) * intsize > intlen)
- goto out;
-
- /* Get new specifier and map it */
- res = of_irq_map_raw(p, intspec + index * intsize, intsize,
- addr, out_irq);
-out:
- of_node_put(p);
- return res;
-}
-EXPORT_SYMBOL_GPL(of_irq_map_one);
-
/**
* Search the device tree for the best MAC address to use. 'mac-address' is
* checked first, because that is supposed to contain to "most recent" MAC
return NULL;
}
EXPORT_SYMBOL(of_get_mac_address);
-
-int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
-{
- int irq = irq_of_parse_and_map(dev, index);
-
- /* Only dereference the resource if both the
- * resource and the irq are valid. */
- if (r && irq != NO_IRQ) {
- r->start = r->end = irq;
- r->flags = IORESOURCE_IRQ;
- }
-
- return irq;
-}
-EXPORT_SYMBOL_GPL(of_irq_to_resource);
-
-void __iomem *of_iomap(struct device_node *np, int index)
-{
- struct resource res;
-
- if (of_address_to_resource(np, index, &res))
- return NULL;
-
- return ioremap(res.start, 1 + res.end - res.start);
-}
-EXPORT_SYMBOL(of_iomap);
.priority = INT_MAX,
};
-static struct notifier_block ppc_dflt_of_bus_notifier = {
- .notifier_call = ppc_dflt_bus_notify,
- .priority = INT_MAX,
-};
-
static int __init setup_bus_notifier(void)
{
bus_register_notifier(&platform_bus_type, &ppc_dflt_plat_bus_notifier);
- bus_register_notifier(&of_platform_bus_type, &ppc_dflt_of_bus_notifier);
-
return 0;
}
{
struct device_node *np;
const u32 *cell_index;
- struct of_device *ofdev;
+ struct platform_device *ofdev;
for_each_compatible_node(np, NULL, "fsl,mpc5121-psc") {
cell_index = of_get_property(np, "cell-index", NULL);
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/root_dev.h>
#include <linux/initrd.h>
#include <asm/time.h>
return 0;
}
-static int __devinit mpc52xx_wkup_gpiochip_probe(struct of_device *ofdev,
+static int __devinit mpc52xx_wkup_gpiochip_probe(struct platform_device *ofdev,
const struct of_device_id *match)
{
struct mpc52xx_gpiochip *chip;
struct mpc52xx_gpio_wkup __iomem *regs;
- struct of_gpio_chip *ofchip;
+ struct gpio_chip *gc;
int ret;
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;
- ofchip = &chip->mmchip.of_gc;
+ gc = &chip->mmchip.gc;
- ofchip->gpio_cells = 2;
- ofchip->gc.ngpio = 8;
- ofchip->gc.direction_input = mpc52xx_wkup_gpio_dir_in;
- ofchip->gc.direction_output = mpc52xx_wkup_gpio_dir_out;
- ofchip->gc.get = mpc52xx_wkup_gpio_get;
- ofchip->gc.set = mpc52xx_wkup_gpio_set;
+ gc->ngpio = 8;
+ gc->direction_input = mpc52xx_wkup_gpio_dir_in;
+ gc->direction_output = mpc52xx_wkup_gpio_dir_out;
+ gc->get = mpc52xx_wkup_gpio_get;
+ gc->set = mpc52xx_wkup_gpio_set;
ret = of_mm_gpiochip_add(ofdev->dev.of_node, &chip->mmchip);
if (ret)
return 0;
}
-static int mpc52xx_gpiochip_remove(struct of_device *ofdev)
+static int mpc52xx_gpiochip_remove(struct platform_device *ofdev)
{
return -EBUSY;
}
return 0;
}
-static int __devinit mpc52xx_simple_gpiochip_probe(struct of_device *ofdev,
+static int __devinit mpc52xx_simple_gpiochip_probe(struct platform_device *ofdev,
const struct of_device_id *match)
{
struct mpc52xx_gpiochip *chip;
- struct of_gpio_chip *ofchip;
+ struct gpio_chip *gc;
struct mpc52xx_gpio __iomem *regs;
int ret;
if (!chip)
return -ENOMEM;
- ofchip = &chip->mmchip.of_gc;
+ gc = &chip->mmchip.gc;
- ofchip->gpio_cells = 2;
- ofchip->gc.ngpio = 32;
- ofchip->gc.direction_input = mpc52xx_simple_gpio_dir_in;
- ofchip->gc.direction_output = mpc52xx_simple_gpio_dir_out;
- ofchip->gc.get = mpc52xx_simple_gpio_get;
- ofchip->gc.set = mpc52xx_simple_gpio_set;
+ gc->ngpio = 32;
+ gc->direction_input = mpc52xx_simple_gpio_dir_in;
+ gc->direction_output = mpc52xx_simple_gpio_dir_out;
+ gc->get = mpc52xx_simple_gpio_get;
+ gc->set = mpc52xx_simple_gpio_set;
ret = of_mm_gpiochip_add(ofdev->dev.of_node, &chip->mmchip);
if (ret)
* @dev: pointer to device structure
* @regs: virtual address of GPT registers
* @lock: spinlock to coordinate between different functions.
- * @of_gc: of_gpio_chip instance structure; used when GPIO is enabled
+ * @gc: gpio_chip instance structure; used when GPIO is enabled
* @irqhost: Pointer to irq_host instance; used when IRQ mode is supported
* @wdt_mode: only relevant for gpt0: bit 0 (MPC52xx_GPT_CAN_WDT) indicates
* if the gpt may be used as wdt, bit 1 (MPC52xx_GPT_IS_WDT) indicates
u8 wdt_mode;
#if defined(CONFIG_GPIOLIB)
- struct of_gpio_chip of_gc;
+ struct gpio_chip gc;
#endif
};
#if defined(CONFIG_GPIOLIB)
static inline struct mpc52xx_gpt_priv *gc_to_mpc52xx_gpt(struct gpio_chip *gc)
{
- return container_of(to_of_gpio_chip(gc), struct mpc52xx_gpt_priv,of_gc);
+ return container_of(gc, struct mpc52xx_gpt_priv, gc);
}
static int mpc52xx_gpt_gpio_get(struct gpio_chip *gc, unsigned int gpio)
if (!of_find_property(node, "gpio-controller", NULL))
return;
- gpt->of_gc.gc.label = kstrdup(node->full_name, GFP_KERNEL);
- if (!gpt->of_gc.gc.label) {
+ gpt->gc.label = kstrdup(node->full_name, GFP_KERNEL);
+ if (!gpt->gc.label) {
dev_err(gpt->dev, "out of memory\n");
return;
}
- gpt->of_gc.gpio_cells = 2;
- gpt->of_gc.gc.ngpio = 1;
- gpt->of_gc.gc.direction_input = mpc52xx_gpt_gpio_dir_in;
- gpt->of_gc.gc.direction_output = mpc52xx_gpt_gpio_dir_out;
- gpt->of_gc.gc.get = mpc52xx_gpt_gpio_get;
- gpt->of_gc.gc.set = mpc52xx_gpt_gpio_set;
- gpt->of_gc.gc.base = -1;
- gpt->of_gc.xlate = of_gpio_simple_xlate;
- node->data = &gpt->of_gc;
- of_node_get(node);
+ gpt->gc.ngpio = 1;
+ gpt->gc.direction_input = mpc52xx_gpt_gpio_dir_in;
+ gpt->gc.direction_output = mpc52xx_gpt_gpio_dir_out;
+ gpt->gc.get = mpc52xx_gpt_gpio_get;
+ gpt->gc.set = mpc52xx_gpt_gpio_set;
+ gpt->gc.base = -1;
+ gpt->gc.of_node = node;
/* Setup external pin in GPIO mode */
clrsetbits_be32(&gpt->regs->mode, MPC52xx_GPT_MODE_MS_MASK,
MPC52xx_GPT_MODE_MS_GPIO);
- rc = gpiochip_add(&gpt->of_gc.gc);
+ rc = gpiochip_add(&gpt->gc);
if (rc)
dev_err(gpt->dev, "gpiochip_add() failed; rc=%i\n", rc);
/* ---------------------------------------------------------------------
* of_platform bus binding code
*/
-static int __devinit mpc52xx_gpt_probe(struct of_device *ofdev,
+static int __devinit mpc52xx_gpt_probe(struct platform_device *ofdev,
const struct of_device_id *match)
{
struct mpc52xx_gpt_priv *gpt;
return 0;
}
-static int mpc52xx_gpt_remove(struct of_device *ofdev)
+static int mpc52xx_gpt_remove(struct platform_device *ofdev)
{
return -EBUSY;
}
}
EXPORT_SYMBOL(mpc52xx_lpbfifo_abort);
-static int __devinit
-mpc52xx_lpbfifo_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit mpc52xx_lpbfifo_probe(struct platform_device *op,
+ const struct of_device_id *match)
{
struct resource res;
int rc = -ENOMEM;
}
-static int __devexit mpc52xx_lpbfifo_remove(struct of_device *op)
+static int __devexit mpc52xx_lpbfifo_remove(struct platform_device *op)
{
if (lpbfifo.dev != &op->dev)
return 0;
.ops = &ep8248e_mdio_ops,
};
-static int __devinit ep8248e_mdio_probe(struct of_device *ofdev,
+static int __devinit ep8248e_mdio_probe(struct platform_device *ofdev,
const struct of_device_id *match)
{
struct mii_bus *bus;
return ret;
}
-static int ep8248e_mdio_remove(struct of_device *ofdev)
+static int ep8248e_mdio_remove(struct platform_device *ofdev)
{
BUG();
return 0;
struct mcu {
struct mutex lock;
- struct device_node *np;
struct i2c_client *client;
- struct of_gpio_chip of_gc;
+ struct gpio_chip gc;
u8 reg_ctrl;
};
static void mcu_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
{
- struct of_gpio_chip *of_gc = to_of_gpio_chip(gc);
- struct mcu *mcu = container_of(of_gc, struct mcu, of_gc);
+ struct mcu *mcu = container_of(gc, struct mcu, gc);
u8 bit = 1 << (4 + gpio);
mutex_lock(&mcu->lock);
static int mcu_gpiochip_add(struct mcu *mcu)
{
struct device_node *np;
- struct of_gpio_chip *of_gc = &mcu->of_gc;
- struct gpio_chip *gc = &of_gc->gc;
- int ret;
+ struct gpio_chip *gc = &mcu->gc;
np = of_find_compatible_node(NULL, NULL, "fsl,mcu-mpc8349emitx");
if (!np)
gc->base = -1;
gc->set = mcu_gpio_set;
gc->direction_output = mcu_gpio_dir_out;
- of_gc->gpio_cells = 2;
- of_gc->xlate = of_gpio_simple_xlate;
+ gc->of_node = np;
- np->data = of_gc;
- mcu->np = np;
-
- /*
- * We don't want to lose the node, its ->data and ->full_name...
- * So, if succeeded, we don't put the node here.
- */
- ret = gpiochip_add(gc);
- if (ret)
- of_node_put(np);
- return ret;
+ return gpiochip_add(gc);
}
static int mcu_gpiochip_remove(struct mcu *mcu)
{
- int ret;
-
- ret = gpiochip_remove(&mcu->of_gc.gc);
- if (ret)
- return ret;
- of_node_put(mcu->np);
-
- return 0;
+ return gpiochip_remove(&mcu->gc);
}
static int __devinit mcu_probe(struct i2c_client *client,
};
MODULE_DEVICE_TABLE(i2c, mcu_ids);
+static struct of_device_id mcu_of_match_table[] __devinitdata = {
+ { .compatible = "fsl,mcu-mpc8349emitx", },
+ { },
+};
+
static struct i2c_driver mcu_driver = {
.driver = {
.name = "mcu-mpc8349emitx",
.owner = THIS_MODULE,
+ .of_match_table = mcu_of_match_table,
},
.probe = mcu_probe,
.remove = __devexit_p(mcu_remove),
int has_deep_sleep;
};
-static struct of_device *pmc_dev;
+static struct platform_device *pmc_dev;
static int has_deep_sleep, deep_sleeping;
static int pmc_irq;
static struct mpc83xx_pmc __iomem *pmc_regs;
.end = mpc83xx_suspend_end,
};
-static int pmc_probe(struct of_device *ofdev,
+static int pmc_probe(struct platform_device *ofdev,
const struct of_device_id *match)
{
struct device_node *np = ofdev->dev.of_node;
return ret;
}
-static int pmc_remove(struct of_device *ofdev)
+static int pmc_remove(struct platform_device *ofdev)
{
return -EPERM;
};
}
/* Setup pointers to chip functions */
- gef_gpio_chip->of_gc.gpio_cells = 2;
- gef_gpio_chip->of_gc.gc.ngpio = 19;
- gef_gpio_chip->of_gc.gc.direction_input = gef_gpio_dir_in;
- gef_gpio_chip->of_gc.gc.direction_output = gef_gpio_dir_out;
- gef_gpio_chip->of_gc.gc.get = gef_gpio_get;
- gef_gpio_chip->of_gc.gc.set = gef_gpio_set;
+ gef_gpio_chip->gc.of_gpio_n_cells = 2;
+ gef_gpio_chip->gc.ngpio = 19;
+ gef_gpio_chip->gc.direction_input = gef_gpio_dir_in;
+ gef_gpio_chip->gc.direction_output = gef_gpio_dir_out;
+ gef_gpio_chip->gc.get = gef_gpio_get;
+ gef_gpio_chip->gc.set = gef_gpio_set;
/* This function adds a memory mapped GPIO chip */
retval = of_mm_gpiochip_add(np, gef_gpio_chip);
}
/* Setup pointers to chip functions */
- gef_gpio_chip->of_gc.gpio_cells = 2;
- gef_gpio_chip->of_gc.gc.ngpio = 6;
- gef_gpio_chip->of_gc.gc.direction_input = gef_gpio_dir_in;
- gef_gpio_chip->of_gc.gc.direction_output = gef_gpio_dir_out;
- gef_gpio_chip->of_gc.gc.get = gef_gpio_get;
- gef_gpio_chip->of_gc.gc.set = gef_gpio_set;
+ gef_gpio_chip->gc.of_gpio_n_cells = 2;
+ gef_gpio_chip->gc.ngpio = 6;
+ gef_gpio_chip->gc.direction_input = gef_gpio_dir_in;
+ gef_gpio_chip->gc.direction_output = gef_gpio_dir_out;
+ gef_gpio_chip->gc.get = gef_gpio_get;
+ gef_gpio_chip->gc.set = gef_gpio_set;
/* This function adds a memory mapped GPIO chip */
retval = of_mm_gpiochip_add(np, gef_gpio_chip);
*/
#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/seq_file.h>
#include <generated/utsrelease.h>
#include <asm/machdep.h>
#include <asm/cputable.h>
-#include <asm/prom.h>
#include <asm/pci-bridge.h>
#include <asm/i8259.h>
#include <asm/time.h>
.map = msic_host_map,
};
-static int axon_msi_shutdown(struct of_device *device)
+static int axon_msi_shutdown(struct platform_device *device)
{
struct axon_msic *msic = dev_get_drvdata(&device->dev);
u32 tmp;
return 0;
}
-static int axon_msi_probe(struct of_device *device,
+static int axon_msi_probe(struct platform_device *device,
const struct of_device_id *device_id)
{
struct device_node *dn = device->dev.of_node;
celleb_init_direct_mapping();
set_pci_dma_ops(&dma_direct_ops);
ppc_md.pci_dma_dev_setup = celleb_pci_dma_dev_setup;
- bus_register_notifier(&of_platform_bus_type, &celleb_of_bus_notifier);
+ bus_register_notifier(&platform_bus_type, &celleb_of_bus_notifier);
return 0;
}
/* Register callbacks on OF platform device addition/removal
* to handle linking them to the right DMA operations
*/
- bus_register_notifier(&of_platform_bus_type, &cell_of_bus_notifier);
+ bus_register_notifier(&platform_bus_type, &cell_of_bus_notifier);
return 0;
}
printk("*** %04x : %s\n", hex, s ? s : "");
}
+static const struct of_device_id qpace_bus_ids[] __initdata = {
+ { .type = "soc", },
+ { .compatible = "soc", },
+ { .type = "spider", },
+ { .type = "axon", },
+ { .type = "plb5", },
+ { .type = "plb4", },
+ { .type = "opb", },
+ { .type = "ebc", },
+ {},
+};
+
static int __init qpace_publish_devices(void)
{
int node;
/* Publish OF platform devices for southbridge IOs */
- of_platform_bus_probe(NULL, NULL, NULL);
+ of_platform_bus_probe(NULL, qpace_bus_ids, NULL);
/* There is no device for the MIC memory controller, thus we create
* a platform device for it to attach the EDAC driver to.
return 0;
}
+static const struct of_device_id cell_bus_ids[] __initdata = {
+ { .type = "soc", },
+ { .compatible = "soc", },
+ { .type = "spider", },
+ { .type = "axon", },
+ { .type = "plb5", },
+ { .type = "plb4", },
+ { .type = "opb", },
+ { .type = "ebc", },
+ {},
+};
+
static int __init cell_publish_devices(void)
{
struct device_node *root = of_find_node_by_path("/");
int node;
/* Publish OF platform devices for southbridge IOs */
- of_platform_bus_probe(NULL, NULL, NULL);
+ of_platform_bus_probe(NULL, cell_bus_ids, NULL);
/* On spider based blades, we need to manually create the OF
* platform devices for the PCI host bridges
#include <linux/init.h>
#include <linux/completion.h>
#include <linux/delay.h>
+#include <linux/proc_fs.h>
#include <linux/dma-mapping.h>
#include <linux/bcd.h>
#include <linux/rtc.h>
}
-static int __devinit gpio_mdio_probe(struct of_device *ofdev,
+static int __devinit gpio_mdio_probe(struct platform_device *ofdev,
const struct of_device_id *match)
{
struct device *dev = &ofdev->dev;
}
-static int gpio_mdio_remove(struct of_device *dev)
+static int gpio_mdio_remove(struct platform_device *dev)
{
struct mii_bus *bus = dev_get_drvdata(&dev->dev);
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/sched.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/spinlock.h>
#include <linux/adb.h>
#include <linux/pmu.h>
unsigned int level;
};
+/* Workaround flags for 32bit powermac machines */
+unsigned int of_irq_workarounds;
+struct device_node *of_irq_dflt_pic;
+
/* Default addresses */
static volatile struct pmac_irq_hw __iomem *pmac_irq_hw[4];
setup_irq(irq_create_mapping(NULL, 20), &xmon_action);
#endif
}
+
+int of_irq_map_oldworld(struct device_node *device, int index,
+ struct of_irq *out_irq)
+{
+ const u32 *ints = NULL;
+ int intlen;
+
+ /*
+ * Old machines just have a list of interrupt numbers
+ * and no interrupt-controller nodes. We also have dodgy
+ * cases where the APPL,interrupts property is completely
+ * missing behind pci-pci bridges and we have to get it
+ * from the parent (the bridge itself, as apple just wired
+ * everything together on these)
+ */
+ while (device) {
+ ints = of_get_property(device, "AAPL,interrupts", &intlen);
+ if (ints != NULL)
+ break;
+ device = device->parent;
+ if (device && strcmp(device->type, "pci") != 0)
+ break;
+ }
+ if (ints == NULL)
+ return -EINVAL;
+ intlen /= sizeof(u32);
+
+ if (index >= intlen)
+ return -EINVAL;
+
+ out_irq->controller = NULL;
+ out_irq->specifier[0] = ints[index];
+ out_irq->size = 1;
+
+ return 0;
+}
#endif /* CONFIG_PPC32 */
static void pmac_u3_cascade(unsigned int irq, struct irq_desc *desc)
void __init pmac_pic_init(void)
{
- unsigned int flags = 0;
-
/* We configure the OF parsing based on our oldworld vs. newworld
* platform type and wether we were booted by BootX.
*/
#ifdef CONFIG_PPC32
if (!pmac_newworld)
- flags |= OF_IMAP_OLDWORLD_MAC;
+ of_irq_workarounds |= OF_IMAP_OLDWORLD_MAC;
if (of_get_property(of_chosen, "linux,bootx", NULL) != NULL)
- flags |= OF_IMAP_NO_PHANDLE;
-#endif /* CONFIG_PPC_32 */
+ of_irq_workarounds |= OF_IMAP_NO_PHANDLE;
- of_irq_map_init(flags);
+ /* If we don't have phandles on a newworld, then try to locate a
+ * default interrupt controller (happens when booting with BootX).
+ * We do a first match here, hopefully, that only ever happens on
+ * machines with one controller.
+ */
+ if (pmac_newworld && (of_irq_workarounds & OF_IMAP_NO_PHANDLE)) {
+ struct device_node *np;
+
+ for_each_node_with_property(np, "interrupt-controller") {
+ /* Skip /chosen/interrupt-controller */
+ if (strcmp(np->name, "chosen") == 0)
+ continue;
+ /* It seems like at least one person wants
+ * to use BootX on a machine with an AppleKiwi
+ * controller which happens to pretend to be an
+ * interrupt controller too. */
+ if (strcmp(np->name, "AppleKiwi") == 0)
+ continue;
+ /* I think we found one ! */
+ of_irq_dflt_pic = np;
+ break;
+ }
+ }
+#endif /* CONFIG_PPC32 */
/* We first try to detect Apple's new Core99 chipset, since mac-io
* is quite different on those machines and contains an IBM MPIC2.
static int azfs_major, azfs_minor;
struct axon_ram_bank {
- struct of_device *device;
+ struct platform_device *device;
struct gendisk *disk;
unsigned int irq_id;
unsigned long ph_addr;
static ssize_t
axon_ram_sysfs_ecc(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct of_device *device = to_of_device(dev);
+ struct platform_device *device = to_platform_device(dev);
struct axon_ram_bank *bank = device->dev.platform_data;
BUG_ON(!bank);
static irqreturn_t
axon_ram_irq_handler(int irq, void *dev)
{
- struct of_device *device = dev;
+ struct platform_device *device = dev;
struct axon_ram_bank *bank = device->dev.platform_data;
BUG_ON(!bank);
* axon_ram_probe - probe() method for platform driver
* @device, @device_id: see of_platform_driver method
*/
-static int
-axon_ram_probe(struct of_device *device, const struct of_device_id *device_id)
+static int axon_ram_probe(struct platform_device *device,
+ const struct of_device_id *device_id)
{
static int axon_ram_bank_id = -1;
struct axon_ram_bank *bank;
* @device: see of_platform_driver method
*/
static int
-axon_ram_remove(struct of_device *device)
+axon_ram_remove(struct platform_device *device)
{
struct axon_ram_bank *bank = device->dev.platform_data;
/* OF platform driver */
/* ======================================================================== */
-static int __devinit
-mpc52xx_bcom_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit mpc52xx_bcom_probe(struct platform_device *op,
+ const struct of_device_id *match)
{
struct device_node *ofn_sram;
struct resource res_bcom;
}
-static int
-mpc52xx_bcom_remove(struct of_device *op)
+static int mpc52xx_bcom_remove(struct platform_device *op)
{
/* Clean up the engine */
bcom_engine_cleanup();
* kind, whether express or implied.
*/
+#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
{
struct cpm1_gpio16_chip *cpm1_gc;
struct of_mm_gpio_chip *mm_gc;
- struct of_gpio_chip *of_gc;
struct gpio_chip *gc;
cpm1_gc = kzalloc(sizeof(*cpm1_gc), GFP_KERNEL);
spin_lock_init(&cpm1_gc->lock);
mm_gc = &cpm1_gc->mm_gc;
- of_gc = &mm_gc->of_gc;
- gc = &of_gc->gc;
+ gc = &mm_gc->gc;
mm_gc->save_regs = cpm1_gpio16_save_regs;
- of_gc->gpio_cells = 2;
gc->ngpio = 16;
gc->direction_input = cpm1_gpio16_dir_in;
gc->direction_output = cpm1_gpio16_dir_out;
{
struct cpm1_gpio32_chip *cpm1_gc;
struct of_mm_gpio_chip *mm_gc;
- struct of_gpio_chip *of_gc;
struct gpio_chip *gc;
cpm1_gc = kzalloc(sizeof(*cpm1_gc), GFP_KERNEL);
spin_lock_init(&cpm1_gc->lock);
mm_gc = &cpm1_gc->mm_gc;
- of_gc = &mm_gc->of_gc;
- gc = &of_gc->gc;
+ gc = &mm_gc->gc;
mm_gc->save_regs = cpm1_gpio32_save_regs;
- of_gc->gpio_cells = 2;
gc->ngpio = 32;
gc->direction_input = cpm1_gpio32_dir_in;
gc->direction_output = cpm1_gpio32_dir_out;
{
struct cpm2_gpio32_chip *cpm2_gc;
struct of_mm_gpio_chip *mm_gc;
- struct of_gpio_chip *of_gc;
struct gpio_chip *gc;
cpm2_gc = kzalloc(sizeof(*cpm2_gc), GFP_KERNEL);
spin_lock_init(&cpm2_gc->lock);
mm_gc = &cpm2_gc->mm_gc;
- of_gc = &mm_gc->of_gc;
- gc = &of_gc->gc;
+ gc = &mm_gc->gc;
mm_gc->save_regs = cpm2_gpio32_save_regs;
- of_gc->gpio_cells = 2;
gc->ngpio = 32;
gc->direction_input = cpm2_gpio32_dir_in;
gc->direction_output = cpm2_gpio32_dir_out;
*/
#include <linux/kernel.h>
+#include <linux/err.h>
#include <linux/errno.h>
#include <linux/list.h>
#include <linux/io.h>
raw_spin_unlock(&desc->lock);
}
-static int fsl_of_msi_remove(struct of_device *ofdev)
+static int fsl_of_msi_remove(struct platform_device *ofdev)
{
struct fsl_msi *msi = ofdev->dev.platform_data;
int virq, i;
return 0;
}
-static int __devinit fsl_of_msi_probe(struct of_device *dev,
+static int __devinit fsl_of_msi_probe(struct platform_device *dev,
const struct of_device_id *match)
{
struct fsl_msi *msi;
.enter = pmc_suspend_enter,
};
-static int pmc_probe(struct of_device *ofdev, const struct of_device_id *id)
+static int pmc_probe(struct platform_device *ofdev,
+ const struct of_device_id *id)
{
pmc_regs = of_iomap(ofdev->dev.of_node, 0);
if (!pmc_regs)
* master port with system-specific info, and registers the
* master port with the RapidIO subsystem.
*/
-int fsl_rio_setup(struct of_device *dev)
+int fsl_rio_setup(struct platform_device *dev)
{
struct rio_ops *ops;
struct rio_mport *port;
/* The probe function for RapidIO peer-to-peer network.
*/
-static int __devinit fsl_of_rio_rpn_probe(struct of_device *dev,
+static int __devinit fsl_of_rio_rpn_probe(struct platform_device *dev,
const struct of_device_id *match)
{
int rc;
{
struct mpc8xxx_gpio_chip *mpc8xxx_gc;
struct of_mm_gpio_chip *mm_gc;
- struct of_gpio_chip *of_gc;
struct gpio_chip *gc;
unsigned hwirq;
int ret;
spin_lock_init(&mpc8xxx_gc->lock);
mm_gc = &mpc8xxx_gc->mm_gc;
- of_gc = &mm_gc->of_gc;
- gc = &of_gc->gc;
+ gc = &mm_gc->gc;
mm_gc->save_regs = mpc8xxx_gpio_save_regs;
- of_gc->gpio_cells = 2;
gc->ngpio = MPC8XXX_GPIO_PINS;
gc->direction_input = mpc8xxx_gpio_dir_in;
gc->direction_output = mpc8xxx_gpio_dir_out;
#include <asm/prom.h>
-/*
- * These functions provide the necessary setup for the mv64x60 drivers.
- * These drivers are unusual in that they work on both the MIPS and PowerPC
- * architectures. Because of that, the drivers do not support the normal
- * PowerPC of_platform_bus_type. They support platform_bus_type instead.
- */
+/* These functions provide the necessary setup for the mv64x60 drivers. */
static struct of_device_id __initdata of_mv64x60_devices[] = {
{ .compatible = "marvell,mv64306-devctrl", },
struct mutex msg_mutex;
pmi_message_t msg;
struct completion *completion;
- struct of_device *dev;
+ struct platform_device *dev;
int irq;
u8 __iomem *pmi_reg;
struct work_struct work;
spin_unlock(&data->handler_spinlock);
}
-static int pmi_of_probe(struct of_device *dev,
+static int pmi_of_probe(struct platform_device *dev,
const struct of_device_id *match)
{
struct device_node *np = dev->dev.of_node;
return rc;
}
-static int pmi_of_remove(struct of_device *dev)
+static int pmi_of_remove(struct platform_device *dev)
{
struct pmi_handler *handler, *tmp;
int ret;
struct ppc4xx_gpio_chip *ppc4xx_gc;
struct of_mm_gpio_chip *mm_gc;
- struct of_gpio_chip *of_gc;
struct gpio_chip *gc;
ppc4xx_gc = kzalloc(sizeof(*ppc4xx_gc), GFP_KERNEL);
spin_lock_init(&ppc4xx_gc->lock);
mm_gc = &ppc4xx_gc->mm_gc;
- of_gc = &mm_gc->of_gc;
- gc = &of_gc->gc;
+ gc = &mm_gc->gc;
- of_gc->gpio_cells = 2;
gc->ngpio = 32;
gc->direction_input = ppc4xx_gpio_dir_in;
gc->direction_output = ppc4xx_gpio_dir_out;
struct qe_pin *qe_pin_request(struct device_node *np, int index)
{
struct qe_pin *qe_pin;
- struct device_node *gc;
- struct of_gpio_chip *of_gc = NULL;
+ struct device_node *gpio_np;
+ struct gpio_chip *gc;
struct of_mm_gpio_chip *mm_gc;
struct qe_gpio_chip *qe_gc;
int err;
}
err = of_parse_phandles_with_args(np, "gpios", "#gpio-cells", index,
- &gc, &gpio_spec);
+ &gpio_np, &gpio_spec);
if (err) {
pr_debug("%s: can't parse gpios property\n", __func__);
goto err0;
}
- if (!of_device_is_compatible(gc, "fsl,mpc8323-qe-pario-bank")) {
+ if (!of_device_is_compatible(gpio_np, "fsl,mpc8323-qe-pario-bank")) {
pr_debug("%s: tried to get a non-qe pin\n", __func__);
err = -EINVAL;
goto err1;
}
- of_gc = gc->data;
- if (!of_gc) {
+ gc = of_node_to_gpiochip(gpio_np);
+ if (!gc) {
pr_debug("%s: gpio controller %s isn't registered\n",
- np->full_name, gc->full_name);
+ np->full_name, gpio_np->full_name);
err = -ENODEV;
goto err1;
}
- gpio_cells = of_get_property(gc, "#gpio-cells", &size);
+ gpio_cells = of_get_property(gpio_np, "#gpio-cells", &size);
if (!gpio_cells || size != sizeof(*gpio_cells) ||
- *gpio_cells != of_gc->gpio_cells) {
+ *gpio_cells != gc->of_gpio_n_cells) {
pr_debug("%s: wrong #gpio-cells for %s\n",
- np->full_name, gc->full_name);
+ np->full_name, gpio_np->full_name);
err = -EINVAL;
goto err1;
}
- err = of_gc->xlate(of_gc, np, gpio_spec, NULL);
+ err = gc->of_xlate(gc, np, gpio_spec, NULL);
if (err < 0)
goto err1;
- mm_gc = to_of_mm_gpio_chip(&of_gc->gc);
+ mm_gc = to_of_mm_gpio_chip(gc);
qe_gc = to_qe_gpio_chip(mm_gc);
spin_lock_irqsave(&qe_gc->lock, flags);
if (!err)
return qe_pin;
err1:
- of_node_put(gc);
+ of_node_put(gpio_np);
err0:
kfree(qe_pin);
pr_debug("%s failed with status %d\n", __func__, err);
int ret;
struct qe_gpio_chip *qe_gc;
struct of_mm_gpio_chip *mm_gc;
- struct of_gpio_chip *of_gc;
struct gpio_chip *gc;
qe_gc = kzalloc(sizeof(*qe_gc), GFP_KERNEL);
spin_lock_init(&qe_gc->lock);
mm_gc = &qe_gc->mm_gc;
- of_gc = &mm_gc->of_gc;
- gc = &of_gc->gc;
+ gc = &mm_gc->gc;
mm_gc->save_regs = qe_gpio_save_regs;
- of_gc->gpio_cells = 2;
gc->ngpio = QE_PIO_PINS;
gc->direction_input = qe_gpio_dir_in;
gc->direction_output = qe_gpio_dir_out;
EXPORT_SYMBOL(qe_get_num_of_snums);
#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC_85xx)
-static int qe_resume(struct of_device *ofdev)
+static int qe_resume(struct platform_device *ofdev)
{
if (!qe_alive_during_sleep())
qe_reset();
return 0;
}
-static int qe_probe(struct of_device *ofdev, const struct of_device_id *id)
+static int qe_probe(struct platform_device *ofdev,
+ const struct of_device_id *id)
{
return 0;
}
int ret;
struct u8_gpio_chip *u8_gc;
struct of_mm_gpio_chip *mm_gc;
- struct of_gpio_chip *of_gc;
struct gpio_chip *gc;
u8_gc = kzalloc(sizeof(*u8_gc), GFP_KERNEL);
spin_lock_init(&u8_gc->lock);
mm_gc = &u8_gc->mm_gc;
- of_gc = &mm_gc->of_gc;
- gc = &of_gc->gc;
+ gc = &mm_gc->gc;
mm_gc->save_regs = u8_gpio_save_regs;
- of_gc->gpio_cells = 2;
gc->ngpio = 8;
gc->direction_input = u8_gpio_dir_in;
gc->direction_output = u8_gpio_dir_out;
config SPARC
bool
default y
+ select OF
select HAVE_IDE
select HAVE_OPROFILE
select HAVE_ARCH_KGDB if !SMP || SPARC64
config ARCH_NO_VIRT_TO_BUS
def_bool y
-config OF
- def_bool y
-
config ARCH_SUPPORTS_DEBUG_PAGEALLOC
def_bool y if SPARC64
#ifndef _ASM_SPARC_DEVICE_H
#define _ASM_SPARC_DEVICE_H
+#include <asm/openprom.h>
+
struct device_node;
-struct of_device;
+struct platform_device;
struct dev_archdata {
void *iommu;
void *stc;
void *host_controller;
- struct of_device *op;
+ struct platform_device *op;
int numa_node;
};
+extern void of_propagate_archdata(struct platform_device *bus);
+
struct pdev_archdata {
+ struct resource resource[PROMREG_MAX];
+ unsigned int irqs[PROMINTR_MAX];
+ int num_irqs;
};
#endif /* _ASM_SPARC_DEVICE_H */
/* You'll only ever find one controller on an Ultra anyways. */
static struct sun_flpy_controller *sun_fdc = (struct sun_flpy_controller *)-1;
unsigned long fdc_status;
-static struct of_device *floppy_op = NULL;
+static struct platform_device *floppy_op = NULL;
struct sun_floppy_ops {
unsigned char (*fd_inb) (unsigned long port);
{
static int initialized = 0;
struct device_node *dp;
- struct of_device *op;
+ struct platform_device *op;
const char *prop;
char state[128];
}
if (op) {
floppy_op = op;
- FLOPPY_IRQ = op->irqs[0];
+ FLOPPY_IRQ = op->archdata.irqs[0];
} else {
struct device_node *ebus_dp;
void __iomem *auxio_reg;
if (state_prop && !strncmp(state_prop, "disabled", 8))
return 0;
- FLOPPY_IRQ = op->irqs[0];
+ FLOPPY_IRQ = op->archdata.irqs[0];
/* Make sure the high density bit is set, some systems
* (most notably Ultra5/Ultra10) come up with it clear.
config = 0;
for (dp = ebus_dp->child; dp; dp = dp->sibling) {
if (!strcmp(dp->name, "ecpp")) {
- struct of_device *ecpp_op;
+ struct platform_device *ecpp_op;
ecpp_op = of_find_device_by_node(dp);
if (ecpp_op)
+++ /dev/null
-#ifndef _ASM_SPARC_OF_DEVICE_H
-#define _ASM_SPARC_OF_DEVICE_H
-#ifdef __KERNEL__
-
-#include <linux/device.h>
-#include <linux/of.h>
-#include <linux/mod_devicetable.h>
-#include <asm/openprom.h>
-
-/*
- * The of_device is a kind of "base class" that is a superset of
- * struct device for use by devices attached to an OF node and
- * probed using OF properties.
- */
-struct of_device
-{
- struct device dev;
- struct resource resource[PROMREG_MAX];
- unsigned int irqs[PROMINTR_MAX];
- int num_irqs;
-
- void *sysdata;
-
- int slot;
- int portid;
- int clock_freq;
-};
-
-extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
-extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
-
-extern void of_propagate_archdata(struct of_device *bus);
-
-/* This is just here during the transition */
-#include <linux/of_platform.h>
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_SPARC_OF_DEVICE_H */
+++ /dev/null
-#ifndef ___ASM_SPARC_OF_PLATFORM_H
-#define ___ASM_SPARC_OF_PLATFORM_H
-/*
- * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- * Modified for Sparc by merging parts of asm/of_device.h
- * by Stephen Rothwell
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- */
-
-#define of_bus_type of_platform_bus_type /* for compatibility */
-
-#endif
return ebus_dma_residue(&sparc_ebus_dmas[dmanr].info);
}
-static int __devinit ecpp_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit ecpp_probe(struct platform_device *op, const struct of_device_id *match)
{
unsigned long base = op->resource[0].start;
unsigned long config = op->resource[1].start;
parent = op->dev.of_node->parent;
if (!strcmp(parent->name, "dma")) {
p = parport_pc_probe_port(base, base + 0x400,
- op->irqs[0], PARPORT_DMA_NOFIFO,
+ op->archdata.irqs[0], PARPORT_DMA_NOFIFO,
op->dev.parent->parent, 0);
if (!p)
return -ENOMEM;
0, PTR_LPT_REG_DIR);
p = parport_pc_probe_port(base, base + 0x400,
- op->irqs[0],
+ op->archdata.irqs[0],
slot,
op->dev.parent,
0);
return err;
}
-static int __devexit ecpp_remove(struct of_device *op)
+static int __devexit ecpp_remove(struct platform_device *op)
{
struct parport *p = dev_get_drvdata(&op->dev);
int slot = p->dma;
static int parport_pc_find_nonpci_ports(int autoirq, int autodma)
{
- of_register_driver(&ecpp_driver, &of_bus_type);
-
- return 0;
+ return of_register_platform_driver(&ecpp_driver);
}
#endif /* !(_ASM_SPARC64_PARPORT_H */
extern int of_find_in_proplist(const char *list, const char *match, int len);
#ifdef CONFIG_NUMA
extern int of_node_to_nid(struct device_node *dp);
-#else
-#define of_node_to_nid(dp) (-1)
+#define of_node_to_nid of_node_to_nid
#endif
extern void prom_build_devicetree(void);
extern void of_populate_present_mask(void);
extern void of_fill_in_cpu_data(void);
+struct resource;
+extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
+extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
+
/* These routines are here to provide compatibility with how powerpc
* handles IRQ mapping for OF device nodes. We precompute and permanently
- * register them in the of_device objects, whereas powerpc computes them
+ * register them in the platform_device objects, whereas powerpc computes them
* on request.
*/
-extern unsigned int irq_of_parse_and_map(struct device_node *node, int index);
static inline void irq_dispose_mapping(unsigned int virq)
{
}
#endif
}
-static inline void apc_free(struct of_device *op)
+static inline void apc_free(struct platform_device *op)
{
of_iounmap(&op->resource[0], regs, resource_size(&op->resource[0]));
}
static struct miscdevice apc_miscdev = { APC_MINOR, APC_DEVNAME, &apc_fops };
-static int __devinit apc_probe(struct of_device *op,
+static int __devinit apc_probe(struct platform_device *op,
const struct of_device_id *match)
{
int err;
static int __init apc_init(void)
{
- return of_register_driver(&apc_driver, &of_bus_type);
+ return of_register_platform_driver(&apc_driver);
}
/* This driver is not critical to the boot process
MODULE_DEVICE_TABLE(of, auxio_match);
-static int __devinit auxio_probe(struct of_device *dev, const struct of_device_id *match)
+static int __devinit auxio_probe(struct platform_device *dev,
+ const struct of_device_id *match)
{
struct device_node *dp = dev->dev.of_node;
unsigned long size;
static int __init auxio_init(void)
{
- return of_register_driver(&auxio_driver, &of_platform_bus_type);
+ return of_register_platform_driver(&auxio_driver);
}
/* Must be after subsys_initcall() so that busses are probed. Must
}
}
-static int __devinit clock_board_probe(struct of_device *op,
+static int __devinit clock_board_probe(struct platform_device *op,
const struct of_device_id *match)
{
struct clock_board *p = kzalloc(sizeof(*p), GFP_KERNEL);
},
};
-static int __devinit fhc_probe(struct of_device *op,
+static int __devinit fhc_probe(struct platform_device *op,
const struct of_device_id *match)
{
struct fhc *p = kzalloc(sizeof(*p), GFP_KERNEL);
static int __init sunfire_init(void)
{
- (void) of_register_driver(&fhc_driver, &of_platform_bus_type);
- (void) of_register_driver(&clock_board_driver, &of_platform_bus_type);
+ (void) of_register_platform_driver(&fhc_driver);
+ (void) of_register_platform_driver(&clock_board_driver);
return 0;
}
}
}
-static int __devinit jbusmc_probe(struct of_device *op,
+static int __devinit jbusmc_probe(struct platform_device *op,
const struct of_device_id *match)
{
const struct linux_prom64_registers *mem_regs;
chmc_read_mcreg(p, CHMCTRL_DECODE4));
}
-static int __devinit chmc_probe(struct of_device *op,
+static int __devinit chmc_probe(struct platform_device *op,
const struct of_device_id *match)
{
struct device_node *dp = op->dev.of_node;
goto out;
}
-static int __devinit us3mc_probe(struct of_device *op,
+static int __devinit us3mc_probe(struct platform_device *op,
const struct of_device_id *match)
{
if (mc_type == MC_TYPE_SAFARI)
return -ENODEV;
}
-static void __devexit chmc_destroy(struct of_device *op, struct chmc *p)
+static void __devexit chmc_destroy(struct platform_device *op, struct chmc *p)
{
list_del(&p->list);
of_iounmap(&op->resource[0], p->regs, 0x48);
kfree(p);
}
-static void __devexit jbusmc_destroy(struct of_device *op, struct jbusmc *p)
+static void __devexit jbusmc_destroy(struct platform_device *op, struct jbusmc *p)
{
mc_list_del(&p->list);
of_iounmap(&op->resource[0], p->regs, JBUSMC_REGS_SIZE);
kfree(p);
}
-static int __devexit us3mc_remove(struct of_device *op)
+static int __devexit us3mc_remove(struct platform_device *op)
{
void *p = dev_get_drvdata(&op->dev);
ret = register_dimm_printer(us3mc_dimm_printer);
if (!ret) {
- ret = of_register_driver(&us3mc_driver, &of_bus_type);
+ ret = of_register_platform_driver(&us3mc_driver);
if (ret)
unregister_dimm_printer(us3mc_dimm_printer);
}
{
if (us3mc_platform()) {
unregister_dimm_printer(us3mc_dimm_printer);
- of_unregister_driver(&us3mc_driver);
+ of_unregister_platform_driver(&us3mc_driver);
}
}
static void *sbus_alloc_coherent(struct device *dev, size_t len,
dma_addr_t *dma_addrp, gfp_t gfp)
{
- struct of_device *op = to_of_device(dev);
+ struct platform_device *op = to_platform_device(dev);
unsigned long len_total = (len + PAGE_SIZE-1) & PAGE_MASK;
unsigned long va;
struct resource *res;
static int of_resource_verbose;
-static void __init build_device_resources(struct of_device *op,
+static void __init build_device_resources(struct platform_device *op,
struct device *parent)
{
- struct of_device *p_op;
+ struct platform_device *p_op;
struct of_bus *bus;
int na, ns;
int index, num_reg;
if (!parent)
return;
- p_op = to_of_device(parent);
+ p_op = to_platform_device(parent);
bus = of_match_bus(p_op->dev.of_node);
bus->count_cells(op->dev.of_node, &na, &ns);
/* Conver to num-entries. */
num_reg /= na + ns;
+ op->resource = op->archdata.resource;
+ op->num_resources = num_reg;
for (index = 0; index < num_reg; index++) {
struct resource *r = &op->resource[index];
u32 addr[OF_MAX_ADDR_CELLS];
}
}
-static struct of_device * __init scan_one_device(struct device_node *dp,
+static struct platform_device * __init scan_one_device(struct device_node *dp,
struct device *parent)
{
- struct of_device *op = kzalloc(sizeof(*op), GFP_KERNEL);
+ struct platform_device *op = kzalloc(sizeof(*op), GFP_KERNEL);
const struct linux_prom_irqs *intr;
struct dev_archdata *sd;
int len, i;
op->dev.of_node = dp;
- op->clock_freq = of_getintprop_default(dp, "clock-frequency",
- (25*1000*1000));
- op->portid = of_getintprop_default(dp, "upa-portid", -1);
- if (op->portid == -1)
- op->portid = of_getintprop_default(dp, "portid", -1);
-
intr = of_get_property(dp, "intr", &len);
if (intr) {
- op->num_irqs = len / sizeof(struct linux_prom_irqs);
- for (i = 0; i < op->num_irqs; i++)
- op->irqs[i] = intr[i].pri;
+ op->archdata.num_irqs = len / sizeof(struct linux_prom_irqs);
+ for (i = 0; i < op->archdata.num_irqs; i++)
+ op->archdata.irqs[i] = intr[i].pri;
} else {
const unsigned int *irq =
of_get_property(dp, "interrupts", &len);
if (irq) {
- op->num_irqs = len / sizeof(unsigned int);
- for (i = 0; i < op->num_irqs; i++)
- op->irqs[i] = irq[i];
+ op->archdata.num_irqs = len / sizeof(unsigned int);
+ for (i = 0; i < op->archdata.num_irqs; i++)
+ op->archdata.irqs[i] = irq[i];
} else {
- op->num_irqs = 0;
+ op->archdata.num_irqs = 0;
}
}
if (sparc_cpu_model == sun4d) {
goto build_resources;
}
- for (i = 0; i < op->num_irqs; i++) {
- int this_irq = op->irqs[i];
+ for (i = 0; i < op->archdata.num_irqs; i++) {
+ int this_irq = op->archdata.irqs[i];
int sbusl = pil_to_sbus[this_irq];
if (sbusl)
(sbusl << 2) +
slot);
- op->irqs[i] = this_irq;
+ op->archdata.irqs[i] = this_irq;
}
}
build_device_resources(op, parent);
op->dev.parent = parent;
- op->dev.bus = &of_platform_bus_type;
+ op->dev.bus = &platform_bus_type;
if (!parent)
dev_set_name(&op->dev, "root");
else
static void __init scan_tree(struct device_node *dp, struct device *parent)
{
while (dp) {
- struct of_device *op = scan_one_device(dp, parent);
+ struct platform_device *op = scan_one_device(dp, parent);
if (op)
scan_tree(dp->child, &op->dev);
}
}
-static void __init scan_of_devices(void)
+static int __init scan_of_devices(void)
{
struct device_node *root = of_find_node_by_path("/");
- struct of_device *parent;
+ struct platform_device *parent;
parent = scan_one_device(root, NULL);
if (!parent)
- return;
+ return 0;
scan_tree(root->child, &parent->dev);
+ return 0;
}
-
-static int __init of_bus_driver_init(void)
-{
- int err;
-
- err = of_bus_type_init(&of_platform_bus_type, "of");
- if (!err)
- scan_of_devices();
-
- return err;
-}
-
-postcore_initcall(of_bus_driver_init);
+postcore_initcall(scan_of_devices);
static int __init of_debug(char *str)
{
static int of_resource_verbose;
-static void __init build_device_resources(struct of_device *op,
+static void __init build_device_resources(struct platform_device *op,
struct device *parent)
{
- struct of_device *p_op;
+ struct platform_device *p_op;
struct of_bus *bus;
int na, ns;
int index, num_reg;
if (!parent)
return;
- p_op = to_of_device(parent);
+ p_op = to_platform_device(parent);
bus = of_match_bus(p_op->dev.of_node);
bus->count_cells(op->dev.of_node, &na, &ns);
num_reg = PROMREG_MAX;
}
+ op->resource = op->archdata.resource;
+ op->num_resources = num_reg;
for (index = 0; index < num_reg; index++) {
struct resource *r = &op->resource[index];
u32 addr[OF_MAX_ADDR_CELLS];
static int of_irq_verbose;
-static unsigned int __init build_one_device_irq(struct of_device *op,
+static unsigned int __init build_one_device_irq(struct platform_device *op,
struct device *parent,
unsigned int irq)
{
return irq;
}
-static struct of_device * __init scan_one_device(struct device_node *dp,
+static struct platform_device * __init scan_one_device(struct device_node *dp,
struct device *parent)
{
- struct of_device *op = kzalloc(sizeof(*op), GFP_KERNEL);
+ struct platform_device *op = kzalloc(sizeof(*op), GFP_KERNEL);
const unsigned int *irq;
struct dev_archdata *sd;
int len, i;
op->dev.of_node = dp;
- op->clock_freq = of_getintprop_default(dp, "clock-frequency",
- (25*1000*1000));
- op->portid = of_getintprop_default(dp, "upa-portid", -1);
- if (op->portid == -1)
- op->portid = of_getintprop_default(dp, "portid", -1);
-
irq = of_get_property(dp, "interrupts", &len);
if (irq) {
- op->num_irqs = len / 4;
+ op->archdata.num_irqs = len / 4;
/* Prevent overrunning the op->irqs[] array. */
- if (op->num_irqs > PROMINTR_MAX) {
+ if (op->archdata.num_irqs > PROMINTR_MAX) {
printk(KERN_WARNING "%s: Too many irqs (%d), "
"limiting to %d.\n",
- dp->full_name, op->num_irqs, PROMINTR_MAX);
- op->num_irqs = PROMINTR_MAX;
+ dp->full_name, op->archdata.num_irqs, PROMINTR_MAX);
+ op->archdata.num_irqs = PROMINTR_MAX;
}
- memcpy(op->irqs, irq, op->num_irqs * 4);
+ memcpy(op->archdata.irqs, irq, op->archdata.num_irqs * 4);
} else {
- op->num_irqs = 0;
+ op->archdata.num_irqs = 0;
}
build_device_resources(op, parent);
- for (i = 0; i < op->num_irqs; i++)
- op->irqs[i] = build_one_device_irq(op, parent, op->irqs[i]);
+ for (i = 0; i < op->archdata.num_irqs; i++)
+ op->archdata.irqs[i] = build_one_device_irq(op, parent, op->archdata.irqs[i]);
op->dev.parent = parent;
- op->dev.bus = &of_platform_bus_type;
+ op->dev.bus = &platform_bus_type;
if (!parent)
dev_set_name(&op->dev, "root");
else
static void __init scan_tree(struct device_node *dp, struct device *parent)
{
while (dp) {
- struct of_device *op = scan_one_device(dp, parent);
+ struct platform_device *op = scan_one_device(dp, parent);
if (op)
scan_tree(dp->child, &op->dev);
}
}
-static void __init scan_of_devices(void)
+static int __init scan_of_devices(void)
{
struct device_node *root = of_find_node_by_path("/");
- struct of_device *parent;
+ struct platform_device *parent;
parent = scan_one_device(root, NULL);
if (!parent)
- return;
+ return 0;
scan_tree(root->child, &parent->dev);
+ return 0;
}
-
-static int __init of_bus_driver_init(void)
-{
- int err;
-
- err = of_bus_type_init(&of_platform_bus_type, "of");
- if (!err)
- scan_of_devices();
-
- return err;
-}
-
-postcore_initcall(of_bus_driver_init);
+postcore_initcall(scan_of_devices);
static int __init of_debug(char *str)
{
#include "of_device_common.h"
-static int node_match(struct device *dev, void *data)
-{
- struct of_device *op = to_of_device(dev);
- struct device_node *dp = data;
-
- return (op->dev.of_node == dp);
-}
-
-struct of_device *of_find_device_by_node(struct device_node *dp)
-{
- struct device *dev = bus_find_device(&of_platform_bus_type, NULL,
- dp, node_match);
-
- if (dev)
- return to_of_device(dev);
-
- return NULL;
-}
-EXPORT_SYMBOL(of_find_device_by_node);
-
unsigned int irq_of_parse_and_map(struct device_node *node, int index)
{
- struct of_device *op = of_find_device_by_node(node);
+ struct platform_device *op = of_find_device_by_node(node);
- if (!op || index >= op->num_irqs)
+ if (!op || index >= op->archdata.num_irqs)
return 0;
- return op->irqs[index];
+ return op->archdata.irqs[index];
}
EXPORT_SYMBOL(irq_of_parse_and_map);
/* Take the archdata values for IOMMU, STC, and HOSTDATA found in
- * BUS and propagate to all child of_device objects.
+ * BUS and propagate to all child platform_device objects.
*/
-void of_propagate_archdata(struct of_device *bus)
+void of_propagate_archdata(struct platform_device *bus)
{
struct dev_archdata *bus_sd = &bus->dev.archdata;
struct device_node *bus_dp = bus->dev.of_node;
struct device_node *dp;
for (dp = bus_dp->child; dp; dp = dp->sibling) {
- struct of_device *op = of_find_device_by_node(dp);
+ struct platform_device *op = of_find_device_by_node(dp);
op->dev.archdata.iommu = bus_sd->iommu;
op->dev.archdata.stc = bus_sd->stc;
}
}
-struct bus_type of_platform_bus_type;
-EXPORT_SYMBOL(of_platform_bus_type);
-
static void get_cells(struct device_node *dp, int *addrc, int *sizec)
{
if (addrc)
* into physical address resources, we only have to figure out the register
* mapping.
*/
-static void pci_parse_of_addrs(struct of_device *op,
+static void pci_parse_of_addrs(struct platform_device *op,
struct device_node *node,
struct pci_dev *dev)
{
{
struct dev_archdata *sd;
struct pci_slot *slot;
- struct of_device *op;
+ struct platform_device *op;
struct pci_dev *dev;
const char *type;
u32 class;
dev->hdr_type = PCI_HEADER_TYPE_NORMAL;
dev->rom_base_reg = PCI_ROM_ADDRESS;
- dev->irq = sd->op->irqs[0];
+ dev->irq = sd->op->archdata.irqs[0];
if (dev->irq == 0xffffffff)
dev->irq = PCI_IRQ_NONE;
}
}
static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm,
- struct of_device *op, u32 portid)
+ struct platform_device *op, u32 portid)
{
const struct linux_prom64_registers *regs;
struct device_node *dp = op->dev.of_node;
return 0;
}
-static int __devinit fire_probe(struct of_device *op,
+static int __devinit fire_probe(struct platform_device *op,
const struct of_device_id *match)
{
struct device_node *dp = op->dev.of_node;
static int __init fire_init(void)
{
- return of_register_driver(&fire_driver, &of_bus_type);
+ return of_register_platform_driver(&fire_driver);
}
subsys_initcall(fire_init);
char *name;
/* OBP specific information. */
- struct of_device *op;
+ struct platform_device *op;
u64 ino_bitmap;
/* PBM I/O and Memory space resources. */
#define PSYCHO_ECCCTRL_CE 0x2000000000000000UL /* Enable CE INterrupts */
static void psycho_register_error_handlers(struct pci_pbm_info *pbm)
{
- struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node);
+ struct platform_device *op = of_find_device_by_node(pbm->op->dev.of_node);
unsigned long base = pbm->controller_regs;
u64 tmp;
int err;
* 5: POWER MANAGEMENT
*/
- if (op->num_irqs < 6)
+ if (op->archdata.num_irqs < 6)
return;
/* We really mean to ignore the return result here. Two
* PCI controller share the same interrupt numbers and
* drive the same front-end hardware.
*/
- err = request_irq(op->irqs[1], psycho_ue_intr, IRQF_SHARED,
+ err = request_irq(op->archdata.irqs[1], psycho_ue_intr, IRQF_SHARED,
"PSYCHO_UE", pbm);
- err = request_irq(op->irqs[2], psycho_ce_intr, IRQF_SHARED,
+ err = request_irq(op->archdata.irqs[2], psycho_ce_intr, IRQF_SHARED,
"PSYCHO_CE", pbm);
/* This one, however, ought not to fail. We can just warn
* about it since the system can still operate properly even
* if this fails.
*/
- err = request_irq(op->irqs[0], psycho_pcierr_intr, IRQF_SHARED,
+ err = request_irq(op->archdata.irqs[0], psycho_pcierr_intr, IRQF_SHARED,
"PSYCHO_PCIERR", pbm);
if (err)
printk(KERN_WARNING "%s: Could not register PCIERR, "
#define PSYCHO_MEMSPACE_SIZE 0x07fffffffUL
static void __devinit psycho_pbm_init(struct pci_pbm_info *pbm,
- struct of_device *op, int is_pbm_a)
+ struct platform_device *op, int is_pbm_a)
{
psycho_pbm_init_common(pbm, op, "PSYCHO", PBM_CHIP_TYPE_PSYCHO);
psycho_pbm_strbuf_init(pbm, is_pbm_a);
#define PSYCHO_CONFIGSPACE 0x001000000UL
-static int __devinit psycho_probe(struct of_device *op,
+static int __devinit psycho_probe(struct platform_device *op,
const struct of_device_id *match)
{
const struct linux_prom64_registers *pr_regs;
static int __init psycho_init(void)
{
- return of_register_driver(&psycho_driver, &of_bus_type);
+ return of_register_platform_driver(&psycho_driver);
}
subsys_initcall(psycho_init);
static void sabre_register_error_handlers(struct pci_pbm_info *pbm)
{
struct device_node *dp = pbm->op->dev.of_node;
- struct of_device *op;
+ struct platform_device *op;
unsigned long base = pbm->controller_regs;
u64 tmp;
int err;
* 2: CE ERR
* 3: POWER FAIL
*/
- if (op->num_irqs < 4)
+ if (op->archdata.num_irqs < 4)
return;
/* We clear the error bits in the appropriate AFSR before
SABRE_UEAFSR_SDTE | SABRE_UEAFSR_PDTE),
base + SABRE_UE_AFSR);
- err = request_irq(op->irqs[1], sabre_ue_intr, 0, "SABRE_UE", pbm);
+ err = request_irq(op->archdata.irqs[1], sabre_ue_intr, 0, "SABRE_UE", pbm);
if (err)
printk(KERN_WARNING "%s: Couldn't register UE, err=%d.\n",
pbm->name, err);
base + SABRE_CE_AFSR);
- err = request_irq(op->irqs[2], sabre_ce_intr, 0, "SABRE_CE", pbm);
+ err = request_irq(op->archdata.irqs[2], sabre_ce_intr, 0, "SABRE_CE", pbm);
if (err)
printk(KERN_WARNING "%s: Couldn't register CE, err=%d.\n",
pbm->name, err);
- err = request_irq(op->irqs[0], psycho_pcierr_intr, 0,
+ err = request_irq(op->archdata.irqs[0], psycho_pcierr_intr, 0,
"SABRE_PCIERR", pbm);
if (err)
printk(KERN_WARNING "%s: Couldn't register PCIERR, err=%d.\n",
}
static void __devinit sabre_pbm_init(struct pci_pbm_info *pbm,
- struct of_device *op)
+ struct platform_device *op)
{
psycho_pbm_init_common(pbm, op, "SABRE", PBM_CHIP_TYPE_SABRE);
pbm->pci_afsr = pbm->controller_regs + SABRE_PIOAFSR;
sabre_scan_bus(pbm, &op->dev);
}
-static int __devinit sabre_probe(struct of_device *op,
+static int __devinit sabre_probe(struct platform_device *op,
const struct of_device_id *match)
{
const struct linux_prom64_registers *pr_regs;
static int __init sabre_init(void)
{
- return of_register_driver(&sabre_driver, &of_bus_type);
+ return of_register_platform_driver(&sabre_driver);
}
subsys_initcall(sabre_init);
*/
static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm)
{
- struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node);
+ struct platform_device *op = of_find_device_by_node(pbm->op->dev.of_node);
u64 tmp, err_mask, err_no_mask;
int err;
*/
if (pbm_routes_this_ino(pbm, SCHIZO_UE_INO)) {
- err = request_irq(op->irqs[1], schizo_ue_intr, 0,
+ err = request_irq(op->archdata.irqs[1], schizo_ue_intr, 0,
"TOMATILLO_UE", pbm);
if (err)
printk(KERN_WARNING "%s: Could not register UE, "
"err=%d\n", pbm->name, err);
}
if (pbm_routes_this_ino(pbm, SCHIZO_CE_INO)) {
- err = request_irq(op->irqs[2], schizo_ce_intr, 0,
+ err = request_irq(op->archdata.irqs[2], schizo_ce_intr, 0,
"TOMATILLO_CE", pbm);
if (err)
printk(KERN_WARNING "%s: Could not register CE, "
}
err = 0;
if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_A_INO)) {
- err = request_irq(op->irqs[0], schizo_pcierr_intr, 0,
+ err = request_irq(op->archdata.irqs[0], schizo_pcierr_intr, 0,
"TOMATILLO_PCIERR", pbm);
} else if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_B_INO)) {
- err = request_irq(op->irqs[0], schizo_pcierr_intr, 0,
+ err = request_irq(op->archdata.irqs[0], schizo_pcierr_intr, 0,
"TOMATILLO_PCIERR", pbm);
}
if (err)
"err=%d\n", pbm->name, err);
if (pbm_routes_this_ino(pbm, SCHIZO_SERR_INO)) {
- err = request_irq(op->irqs[3], schizo_safarierr_intr, 0,
+ err = request_irq(op->archdata.irqs[3], schizo_safarierr_intr, 0,
"TOMATILLO_SERR", pbm);
if (err)
printk(KERN_WARNING "%s: Could not register SERR, "
static void schizo_register_error_handlers(struct pci_pbm_info *pbm)
{
- struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node);
+ struct platform_device *op = of_find_device_by_node(pbm->op->dev.of_node);
u64 tmp, err_mask, err_no_mask;
int err;
*/
if (pbm_routes_this_ino(pbm, SCHIZO_UE_INO)) {
- err = request_irq(op->irqs[1], schizo_ue_intr, 0,
+ err = request_irq(op->archdata.irqs[1], schizo_ue_intr, 0,
"SCHIZO_UE", pbm);
if (err)
printk(KERN_WARNING "%s: Could not register UE, "
"err=%d\n", pbm->name, err);
}
if (pbm_routes_this_ino(pbm, SCHIZO_CE_INO)) {
- err = request_irq(op->irqs[2], schizo_ce_intr, 0,
+ err = request_irq(op->archdata.irqs[2], schizo_ce_intr, 0,
"SCHIZO_CE", pbm);
if (err)
printk(KERN_WARNING "%s: Could not register CE, "
}
err = 0;
if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_A_INO)) {
- err = request_irq(op->irqs[0], schizo_pcierr_intr, 0,
+ err = request_irq(op->archdata.irqs[0], schizo_pcierr_intr, 0,
"SCHIZO_PCIERR", pbm);
} else if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_B_INO)) {
- err = request_irq(op->irqs[0], schizo_pcierr_intr, 0,
+ err = request_irq(op->archdata.irqs[0], schizo_pcierr_intr, 0,
"SCHIZO_PCIERR", pbm);
}
if (err)
"err=%d\n", pbm->name, err);
if (pbm_routes_this_ino(pbm, SCHIZO_SERR_INO)) {
- err = request_irq(op->irqs[3], schizo_safarierr_intr, 0,
+ err = request_irq(op->archdata.irqs[3], schizo_safarierr_intr, 0,
"SCHIZO_SERR", pbm);
if (err)
printk(KERN_WARNING "%s: Could not register SERR, "
}
static int __devinit schizo_pbm_init(struct pci_pbm_info *pbm,
- struct of_device *op, u32 portid,
+ struct platform_device *op, u32 portid,
int chip_type)
{
const struct linux_prom64_registers *regs;
return NULL;
}
-static int __devinit __schizo_init(struct of_device *op, unsigned long chip_type)
+static int __devinit __schizo_init(struct platform_device *op, unsigned long chip_type)
{
struct device_node *dp = op->dev.of_node;
struct pci_pbm_info *pbm;
return err;
}
-static int __devinit schizo_probe(struct of_device *op,
+static int __devinit schizo_probe(struct platform_device *op,
const struct of_device_id *match)
{
return __schizo_init(op, (unsigned long) match->data);
static int __init schizo_init(void)
{
- return of_register_driver(&schizo_driver, &of_bus_type);
+ return of_register_platform_driver(&schizo_driver);
}
subsys_initcall(schizo_init);
#endif /* !(CONFIG_PCI_MSI) */
static int __devinit pci_sun4v_pbm_init(struct pci_pbm_info *pbm,
- struct of_device *op, u32 devhandle)
+ struct platform_device *op, u32 devhandle)
{
struct device_node *dp = op->dev.of_node;
int err;
return 0;
}
-static int __devinit pci_sun4v_probe(struct of_device *op,
+static int __devinit pci_sun4v_probe(struct platform_device *op,
const struct of_device_id *match)
{
const struct linux_prom64_registers *regs;
static int __init pci_sun4v_init(void)
{
- return of_register_driver(&pci_sun4v_driver, &of_bus_type);
+ return of_register_platform_driver(&pci_sun4v_driver);
}
subsys_initcall(pci_sun4v_init);
#endif
}
-static int __devinit pmc_probe(struct of_device *op,
+static int __devinit pmc_probe(struct platform_device *op,
const struct of_device_id *match)
{
regs = of_ioremap(&op->resource[0], 0,
static int __init pmc_init(void)
{
- return of_register_driver(&pmc_driver, &of_bus_type);
+ return of_register_platform_driver(&pmc_driver);
}
/* This driver is not critical to the boot process
return 1;
}
-static int __devinit power_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit power_probe(struct platform_device *op, const struct of_device_id *match)
{
struct resource *res = &op->resource[0];
- unsigned int irq= op->irqs[0];
+ unsigned int irq = op->archdata.irqs[0];
power_reg = of_ioremap(res, 0, 0x4, "power");
static int __init power_init(void)
{
- return of_register_driver(&power_driver, &of_platform_bus_type);
+ return of_register_platform_driver(&power_driver);
}
device_initcall(power_init);
extern unsigned int prom_unique_id;
-static inline int is_root_node(const struct device_node *dp)
-{
- if (!dp)
- return 0;
-
- return (dp->parent == NULL);
-}
-
extern char *build_path_component(struct device_node *dp);
extern void of_console_init(void);
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/memblock.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <asm/prom.h>
#include <asm/oplib.h>
return;
regs = rprop->value;
- if (!is_root_node(dp->parent)) {
+ if (!of_node_is_root(dp->parent)) {
sprintf(tmp_buf, "%s@%x,%x",
dp->name,
(unsigned int) (regs->phys_addr >> 32UL),
return;
regs = prop->value;
- if (!is_root_node(dp->parent)) {
+ if (!of_node_is_root(dp->parent)) {
sprintf(tmp_buf, "%s@%x,%x",
dp->name,
(unsigned int) (regs->phys_addr >> 32UL),
n = prom_early_alloc(len);
strcpy(n, dp->parent->full_name);
- if (!is_root_node(dp->parent)) {
+ if (!of_node_is_root(dp->parent)) {
strcpy(n + plen, "/");
plen++;
}
void *_data)
{
struct device_node *central_dp = _data;
- struct of_device *central_op = of_find_device_by_node(central_dp);
+ struct platform_device *central_op = of_find_device_by_node(central_dp);
struct resource *res;
unsigned long imap, iclr;
u32 tmp;
}
-void psycho_pbm_init_common(struct pci_pbm_info *pbm, struct of_device *op,
+void psycho_pbm_init_common(struct pci_pbm_info *pbm, struct platform_device *op,
const char *chip_name, int chip_type)
{
struct device_node *dp = op->dev.of_node;
unsigned long write_complete_offset);
extern void psycho_pbm_init_common(struct pci_pbm_info *pbm,
- struct of_device *op,
+ struct platform_device *op,
const char *chip_name, int chip_type);
#endif /* _PSYCHO_COMMON_H */
void sbus_set_sbus64(struct device *dev, int bursts)
{
struct iommu *iommu = dev->archdata.iommu;
- struct of_device *op = to_of_device(dev);
+ struct platform_device *op = to_platform_device(dev);
const struct linux_prom_registers *regs;
unsigned long cfg_reg;
int slot;
return imap + diff;
}
-static unsigned int sbus_build_irq(struct of_device *op, unsigned int ino)
+static unsigned int sbus_build_irq(struct platform_device *op, unsigned int ino)
{
struct iommu *iommu = op->dev.archdata.iommu;
unsigned long reg_base = iommu->write_complete_reg - 0x2000UL;
#define SYSIO_UEAFSR_RESV2 0x0000001fffffffffUL /* Reserved */
static irqreturn_t sysio_ue_handler(int irq, void *dev_id)
{
- struct of_device *op = dev_id;
+ struct platform_device *op = dev_id;
struct iommu *iommu = op->dev.archdata.iommu;
unsigned long reg_base = iommu->write_complete_reg - 0x2000UL;
unsigned long afsr_reg, afar_reg;
#define SYSIO_CEAFSR_RESV2 0x0000001fffffffffUL /* Reserved */
static irqreturn_t sysio_ce_handler(int irq, void *dev_id)
{
- struct of_device *op = dev_id;
+ struct platform_device *op = dev_id;
struct iommu *iommu = op->dev.archdata.iommu;
unsigned long reg_base = iommu->write_complete_reg - 0x2000UL;
unsigned long afsr_reg, afar_reg;
#define SYSIO_SBAFSR_RESV3 0x0000001fffffffffUL /* Reserved */
static irqreturn_t sysio_sbus_error_handler(int irq, void *dev_id)
{
- struct of_device *op = dev_id;
+ struct platform_device *op = dev_id;
struct iommu *iommu = op->dev.archdata.iommu;
unsigned long afsr_reg, afar_reg, reg_base;
unsigned long afsr, afar, error_bits;
#define SYSIO_CE_INO 0x35
#define SYSIO_SBUSERR_INO 0x36
-static void __init sysio_register_error_handlers(struct of_device *op)
+static void __init sysio_register_error_handlers(struct platform_device *op)
{
struct iommu *iommu = op->dev.archdata.iommu;
unsigned long reg_base = iommu->write_complete_reg - 0x2000UL;
}
/* Boot time initialization. */
-static void __init sbus_iommu_init(struct of_device *op)
+static void __init sbus_iommu_init(struct platform_device *op)
{
const struct linux_prom64_registers *pr;
struct device_node *dp = op->dev.of_node;
struct device_node *dp;
for_each_node_by_name(dp, "sbus") {
- struct of_device *op = of_find_device_by_node(dp);
+ struct platform_device *op = of_find_device_by_node(dp);
sbus_iommu_init(op);
of_propagate_archdata(op);
},
};
-static int __devinit clock_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit clock_probe(struct platform_device *op, const struct of_device_id *match)
{
struct device_node *dp = op->dev.of_node;
const char *model = of_get_property(dp, "model", NULL);
/* Probe for the mostek real time clock chip. */
static int __init clock_init(void)
{
- return of_register_driver(&clock_driver, &of_platform_bus_type);
+ return of_register_platform_driver(&clock_driver);
}
/* Must be after subsys_initcall() so that busses are probed. Must
* be before device_initcall() because things like the RTC driver
.num_resources = 1,
};
-static int __devinit rtc_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit rtc_probe(struct platform_device *op, const struct of_device_id *match)
{
struct resource *r;
.num_resources = 1,
};
-static int __devinit bq4802_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit bq4802_probe(struct platform_device *op, const struct of_device_id *match)
{
printk(KERN_INFO "%s: BQ4802 regs at 0x%llx\n",
},
};
-static int __devinit mostek_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit mostek_probe(struct platform_device *op, const struct of_device_id *match)
{
struct device_node *dp = op->dev.of_node;
if (tlb_type == hypervisor)
return platform_device_register(&rtc_sun4v_device);
- (void) of_register_driver(&rtc_driver, &of_platform_bus_type);
- (void) of_register_driver(&mostek_driver, &of_platform_bus_type);
- (void) of_register_driver(&bq4802_driver, &of_platform_bus_type);
+ (void) of_register_platform_driver(&rtc_driver);
+ (void) of_register_platform_driver(&mostek_driver);
+ (void) of_register_platform_driver(&bq4802_driver);
return 0;
}
#define IOPERM (IOUPTE_CACHE | IOUPTE_WRITE | IOUPTE_VALID)
#define MKIOPTE(phys) __iopte((((phys)>>4) & IOUPTE_PAGE) | IOPERM)
-static void __init iounit_iommu_init(struct of_device *op)
+static void __init iounit_iommu_init(struct platform_device *op)
{
struct iounit_struct *iounit;
iopte_t *xpt, *xptend;
struct device_node *dp;
for_each_node_by_name(dp, "sbi") {
- struct of_device *op = of_find_device_by_node(dp);
+ struct platform_device *op = of_find_device_by_node(dp);
iounit_iommu_init(op);
of_propagate_archdata(op);
#define IOPERM (IOPTE_CACHE | IOPTE_WRITE | IOPTE_VALID)
#define MKIOPTE(pfn, perm) (((((pfn)<<8) & IOPTE_PAGE) | (perm)) & ~IOPTE_WAZ)
-static void __init sbus_iommu_init(struct of_device *op)
+static void __init sbus_iommu_init(struct platform_device *op)
{
struct iommu_struct *iommu;
unsigned int impl, vers;
struct device_node *dp;
for_each_node_by_name(dp, "iommu") {
- struct of_device *op = of_find_device_by_node(dp);
+ struct platform_device *op = of_find_device_by_node(dp);
sbus_iommu_init(op);
of_propagate_archdata(op);
fore200e->bus = bus;
fore200e->bus_dev = op;
- fore200e->irq = op->irqs[0];
+ fore200e->irq = op->archdata.irqs[0];
fore200e->phys_base = op->resource[0].start;
sprintf(fore200e->name, "%s-%d", bus->model_name, index);
printk(FORE200E "FORE Systems 200E-series ATM driver - version " FORE200E_VERSION "\n");
#ifdef CONFIG_SBUS
- err = of_register_driver(&fore200e_sba_driver, &of_bus_type);
+ err = of_register_platform_driver(&fore200e_sba_driver);
if (err)
return err;
#endif
#ifdef CONFIG_SBUS
if (err)
- of_unregister_driver(&fore200e_sba_driver);
+ of_unregister_platform_driver(&fore200e_sba_driver);
#endif
return err;
pci_unregister_driver(&fore200e_pca_driver);
#endif
#ifdef CONFIG_SBUS
- of_unregister_driver(&fore200e_sba_driver);
+ of_unregister_platform_driver(&fore200e_sba_driver);
#endif
}
#include <linux/string.h>
#include <linux/platform_device.h>
+#include <linux/of_device.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct platform_device *pdev = to_platform_device(dev);
+ int rc;
+
+ /* Some devices have extra OF data and an OF-style MODALIAS */
+ rc = of_device_uevent(dev,env);
+ if (rc != -ENODEV)
+ return rc;
add_uevent_var(env, "MODALIAS=%s%s", PLATFORM_MODULE_PREFIX,
(pdev->id_entry) ? pdev->id_entry->name : pdev->name);
struct platform_device *pdev = to_platform_device(dev);
struct platform_driver *pdrv = to_platform_driver(drv);
- /* match against the id table first */
+ /* Attempt an OF style match first */
+ if (of_driver_match_device(dev, drv))
+ return 1;
+
+ /* Then try to match against the id table */
if (pdrv->id_table)
return platform_match_id(pdrv->id_table, pdev) != NULL;
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
+#include <linux/fs.h>
#include <linux/module.h>
#include <linux/cdev.h>
#include <linux/list.h>
static int __init n2rng_init(void)
{
- return of_register_driver(&n2rng_driver, &of_bus_type);
+ return of_register_platform_driver(&n2rng_driver);
}
static void __exit n2rng_exit(void)
{
- of_unregister_driver(&n2rng_driver);
+ of_unregister_platform_driver(&n2rng_driver);
}
module_init(n2rng_init);
static int __init n2_init(void)
{
- int err = of_register_driver(&n2_crypto_driver, &of_bus_type);
+ int err = of_register_platform_driver(&n2_crypto_driver);
if (!err) {
- err = of_register_driver(&n2_mau_driver, &of_bus_type);
+ err = of_register_platform_driver(&n2_mau_driver);
if (err)
- of_unregister_driver(&n2_crypto_driver);
+ of_unregister_platform_driver(&n2_crypto_driver);
}
return err;
}
static void __exit n2_exit(void)
{
- of_unregister_driver(&n2_mau_driver);
- of_unregister_driver(&n2_crypto_driver);
+ of_unregister_platform_driver(&n2_mau_driver);
+ of_unregister_platform_driver(&n2_crypto_driver);
}
module_init(n2_init);
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/gpio.h>
+#include <linux/of_gpio.h>
#include <linux/idr.h>
#include <linux/slab.h>
}
}
+ of_gpiochip_add(chip);
+
unlock:
spin_unlock_irqrestore(&gpio_lock, flags);
- if (status == 0)
- status = gpiochip_export(chip);
+
+ if (status)
+ goto fail;
+
+ status = gpiochip_export(chip);
+ if (status)
+ goto fail;
+
+ return 0;
fail:
/* failures here can mean systems won't boot... */
- if (status)
- pr_err("gpiochip_add: gpios %d..%d (%s) failed to register\n",
- chip->base, chip->base + chip->ngpio - 1,
- chip->label ? : "generic");
+ pr_err("gpiochip_add: gpios %d..%d (%s) failed to register\n",
+ chip->base, chip->base + chip->ngpio - 1,
+ chip->label ? : "generic");
return status;
}
EXPORT_SYMBOL_GPL(gpiochip_add);
spin_lock_irqsave(&gpio_lock, flags);
+ of_gpiochip_remove(chip);
+
for (id = chip->base; id < chip->base + chip->ngpio; id++) {
if (test_bit(FLAG_REQUESTED, &gpio_desc[id].flags)) {
status = -EBUSY;
}
EXPORT_SYMBOL_GPL(gpiochip_remove);
+/**
+ * gpiochip_find() - iterator for locating a specific gpio_chip
+ * @data: data to pass to match function
+ * @callback: Callback function to check gpio_chip
+ *
+ * Similar to bus_find_device. It returns a reference to a gpio_chip as
+ * determined by a user supplied @match callback. The callback should return
+ * 0 if the device doesn't match and non-zero if it does. If the callback is
+ * non-zero, this function will return to the caller and not iterate over any
+ * more gpio_chips.
+ */
+struct gpio_chip *gpiochip_find(void *data,
+ int (*match)(struct gpio_chip *chip, void *data))
+{
+ struct gpio_chip *chip = NULL;
+ unsigned long flags;
+ int i;
+
+ spin_lock_irqsave(&gpio_lock, flags);
+ for (i = 0; i < ARCH_NR_GPIOS; i++) {
+ if (!gpio_desc[i].chip)
+ continue;
+
+ if (match(gpio_desc[i].chip, data)) {
+ chip = gpio_desc[i].chip;
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&gpio_lock, flags);
+
+ return chip;
+}
/* These "optional" allocation calls help prevent drivers from stomping
* on each other, and help provide better diagnostics in debugfs.
static int __devinit xgpio_of_probe(struct device_node *np)
{
struct xgpio_instance *chip;
- struct of_gpio_chip *ofchip;
int status = 0;
const u32 *tree_info;
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;
- ofchip = &chip->mmchip.of_gc;
/* Update GPIO state shadow register with default value */
tree_info = of_get_property(np, "xlnx,dout-default", NULL);
chip->gpio_dir = *tree_info;
/* Check device node and parent device node for device width */
- ofchip->gc.ngpio = 32; /* By default assume full GPIO controller */
+ chip->mmchip.gc.ngpio = 32; /* By default assume full GPIO controller */
tree_info = of_get_property(np, "xlnx,gpio-width", NULL);
if (!tree_info)
tree_info = of_get_property(np->parent,
"xlnx,gpio-width", NULL);
if (tree_info)
- ofchip->gc.ngpio = *tree_info;
+ chip->mmchip.gc.ngpio = *tree_info;
spin_lock_init(&chip->gpio_lock);
- ofchip->gpio_cells = 2;
- ofchip->gc.direction_input = xgpio_dir_in;
- ofchip->gc.direction_output = xgpio_dir_out;
- ofchip->gc.get = xgpio_get;
- ofchip->gc.set = xgpio_set;
+ chip->mmchip.gc.direction_input = xgpio_dir_in;
+ chip->mmchip.gc.direction_output = xgpio_dir_out;
+ chip->mmchip.gc.get = xgpio_get;
+ chip->mmchip.gc.set = xgpio_set;
chip->mmchip.save_regs = xgpio_save_regs;
static int __init env_init(void)
{
- return of_register_driver(&env_driver, &of_bus_type);
+ return of_register_platform_driver(&env_driver);
}
static void __exit env_exit(void)
{
- of_unregister_driver(&env_driver);
+ of_unregister_platform_driver(&env_driver);
}
module_init(env_init);
cpm->adap = cpm_ops;
i2c_set_adapdata(&cpm->adap, cpm);
cpm->adap.dev.parent = &ofdev->dev;
+ cpm->adap.dev.of_node = of_node_get(ofdev->dev.of_node);
result = cpm_i2c_setup(cpm);
if (result) {
dev_dbg(&ofdev->dev, "hw routines for %s registered.\n",
cpm->adap.name);
- /*
- * register OF I2C devices
- */
- of_register_i2c_devices(&cpm->adap, ofdev->dev.of_node);
-
return 0;
out_shut:
cpm_i2c_shutdown(cpm);
/* Register it with i2c layer */
adap = &dev->adap;
adap->dev.parent = &ofdev->dev;
+ adap->dev.of_node = of_node_get(np);
strlcpy(adap->name, "IBM IIC", sizeof(adap->name));
i2c_set_adapdata(adap, dev);
adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
dev_info(&ofdev->dev, "using %s mode\n",
dev->fast_mode ? "fast (400 kHz)" : "standard (100 kHz)");
- /* Now register all the child nodes */
- of_register_i2c_devices(adap, np);
-
return 0;
error_cleanup:
i2c->adap = mpc_ops;
i2c_set_adapdata(&i2c->adap, i2c);
i2c->adap.dev.parent = &op->dev;
+ i2c->adap.dev.of_node = of_node_get(op->dev.of_node);
result = i2c_add_adapter(&i2c->adap);
if (result < 0) {
dev_err(i2c->dev, "failed to add adapter\n");
goto fail_add;
}
- of_register_i2c_devices(&i2c->adap, op->dev.of_node);
return result;
#include <linux/init.h>
#include <linux/idr.h>
#include <linux/mutex.h>
+#include <linux/of_i2c.h>
+#include <linux/of_device.h>
#include <linux/completion.h>
#include <linux/hardirq.h>
#include <linux/irqflags.h>
if (!client)
return 0;
+ /* Attempt an OF style match */
+ if (of_driver_match_device(dev, drv))
+ return 1;
+
driver = to_i2c_driver(drv);
/* match on an id table if there is one */
if (driver->id_table)
if (adap->nr < __i2c_first_dynamic_bus_num)
i2c_scan_static_board_info(adap);
+ /* Register devices from the device tree */
+ of_i2c_register_devices(adap);
+
/* Notify drivers */
mutex_lock(&core_lock);
dummy = bus_for_each_drv(&i2c_bus_type, NULL, adap,
static int __init sparcspkr_init(void)
{
- int err = of_register_driver(&bbc_beep_driver,
- &of_platform_bus_type);
+ int err = of_register_platform_driver(&bbc_beep_driver);
if (!err) {
- err = of_register_driver(&grover_beep_driver,
- &of_platform_bus_type);
+ err = of_register_platform_driver(&grover_beep_driver);
if (err)
- of_unregister_driver(&bbc_beep_driver);
+ of_unregister_platform_driver(&bbc_beep_driver);
}
return err;
static void __exit sparcspkr_exit(void)
{
- of_unregister_driver(&bbc_beep_driver);
- of_unregister_driver(&grover_beep_driver);
+ of_unregister_platform_driver(&bbc_beep_driver);
+ of_unregister_platform_driver(&grover_beep_driver);
}
module_init(sparcspkr_init);
if (!strcmp(dp->name, OBP_PS2KBD_NAME1) ||
!strcmp(dp->name, OBP_PS2KBD_NAME2)) {
struct of_device *kbd = of_find_device_by_node(dp);
- unsigned int irq = kbd->irqs[0];
+ unsigned int irq = kbd->archdata.irqs[0];
if (irq == 0xffffffff)
- irq = op->irqs[0];
+ irq = op->archdata.irqs[0];
i8042_kbd_irq = irq;
kbd_iobase = of_ioremap(&kbd->resource[0],
0, 8, "kbd");
} else if (!strcmp(dp->name, OBP_PS2MS_NAME1) ||
!strcmp(dp->name, OBP_PS2MS_NAME2)) {
struct of_device *ms = of_find_device_by_node(dp);
- unsigned int irq = ms->irqs[0];
+ unsigned int irq = ms->archdata.irqs[0];
if (irq == 0xffffffff)
- irq = op->irqs[0];
+ irq = op->archdata.irqs[0];
i8042_aux_irq = irq;
}
if (!kbd_iobase)
return -ENODEV;
} else {
- int err = of_register_driver(&sparc_i8042_driver,
- &of_bus_type);
+ int err = of_register_platform_driver(&sparc_i8042_driver);
if (err)
return err;
struct device_node *root = of_find_node_by_path("/");
if (strcmp(root->name, "SUNW,JavaStation-1"))
- of_unregister_driver(&sparc_i8042_driver);
+ of_unregister_platform_driver(&sparc_i8042_driver);
}
#else /* !CONFIG_PCI */
static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct of_device *ofdev = to_of_device(dev);
- int len;
-
- len = of_device_get_modalias(ofdev, buf, PAGE_SIZE - 2);
+ int len = of_device_get_modalias(dev, buf, PAGE_SIZE - 2);
buf[len] = '\n';
buf[len+1] = 0;
return 0;
}
+#if defined(CONFIG_OF)
+static struct of_device_id mmc_spi_of_match_table[] __devinitdata = {
+ { .compatible = "mmc-spi-slot", },
+};
+#endif
static struct spi_driver mmc_spi_driver = {
.driver = {
.name = "mmc_spi",
.bus = &spi_bus_type,
.owner = THIS_MODULE,
+#if defined(CONFIG_OF)
+ .of_match_table = mmc_spi_of_match_table,
+#endif
},
.probe = mmc_spi_probe,
.remove = __devexit_p(mmc_spi_remove),
static int __init uflash_init(void)
{
- return of_register_driver(&uflash_driver, &of_bus_type);
+ return of_register_platform_driver(&uflash_driver);
}
static void __exit uflash_exit(void)
{
- of_unregister_driver(&uflash_driver);
+ of_unregister_platform_driver(&uflash_driver);
}
module_init(uflash_init);
#include <linux/mii.h>
#include <linux/phy.h>
#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/of_mdio.h>
#include <linux/of_platform.h>
deps[EMAC_DEP_MDIO_IDX].phandle = dev->mdio_ph;
if (dev->blist && dev->blist > emac_boot_list)
deps[EMAC_DEP_PREV_IDX].phandle = 0xffffffffu;
- bus_register_notifier(&of_platform_bus_type, &emac_of_bus_notifier);
+ bus_register_notifier(&platform_bus_type, &emac_of_bus_notifier);
wait_event_timeout(emac_probe_wait,
emac_check_deps(dev, deps),
EMAC_PROBE_DEP_TIMEOUT);
- bus_unregister_notifier(&of_platform_bus_type, &emac_of_bus_notifier);
+ bus_unregister_notifier(&platform_bus_type, &emac_of_bus_notifier);
err = emac_check_deps(dev, deps) ? 0 : -ENODEV;
for (i = 0; i < EMAC_DEP_COUNT; i++) {
if (deps[i].node)
mp->dev = dev;
dev->watchdog_timeo = 5*HZ;
- dev->irq = op->irqs[0];
+ dev->irq = op->archdata.irqs[0];
dev->netdev_ops = &myri_ops;
/* Register interrupt handler now. */
static int __init myri_sbus_init(void)
{
- return of_register_driver(&myri_sbus_driver, &of_bus_type);
+ return of_register_platform_driver(&myri_sbus_driver);
}
static void __exit myri_sbus_exit(void)
{
- of_unregister_driver(&myri_sbus_driver);
+ of_unregister_platform_driver(&myri_sbus_driver);
}
module_init(myri_sbus_init);
#include <linux/slab.h>
#include <linux/io.h>
-
-#ifdef CONFIG_SPARC64
#include <linux/of_device.h>
-#endif
#include "niu.h"
if (!int_prop)
return -ENODEV;
- for (i = 0; i < op->num_irqs; i++) {
+ for (i = 0; i < op->archdata.num_irqs; i++) {
ldg_num_map[i] = int_prop[i];
- np->ldg[i].irq = op->irqs[i];
+ np->ldg[i].irq = op->archdata.irqs[i];
}
- np->num_ldg = op->num_irqs;
+ np->num_ldg = op->archdata.num_irqs;
return 0;
#else
niu_debug = netif_msg_init(debug, NIU_MSG_DEFAULT);
#ifdef CONFIG_SPARC64
- err = of_register_driver(&niu_of_driver, &of_bus_type);
+ err = of_register_platform_driver(&niu_of_driver);
#endif
if (!err) {
err = pci_register_driver(&niu_pci_driver);
#ifdef CONFIG_SPARC64
if (err)
- of_unregister_driver(&niu_of_driver);
+ of_unregister_platform_driver(&niu_of_driver);
#endif
}
{
pci_unregister_driver(&niu_pci_driver);
#ifdef CONFIG_SPARC64
- of_unregister_driver(&niu_of_driver);
+ of_unregister_platform_driver(&niu_of_driver);
#endif
}
int (*link_status)(struct niu *np, int *);
};
-struct of_device;
+struct platform_device;
struct niu {
void __iomem *regs;
struct net_device *dev;
struct niu_vpd vpd;
u32 eeprom_len;
- struct of_device *op;
+ struct platform_device *op;
void __iomem *vir_regs_1;
void __iomem *vir_regs_2;
};
dev->watchdog_timeo = 5*HZ;
/* Finish net device registration. */
- dev->irq = bp->bigmac_op->irqs[0];
+ dev->irq = bp->bigmac_op->archdata.irqs[0];
dev->dma = 0;
if (register_netdev(dev)) {
static int __init bigmac_init(void)
{
- return of_register_driver(&bigmac_sbus_driver, &of_bus_type);
+ return of_register_platform_driver(&bigmac_sbus_driver);
}
static void __exit bigmac_exit(void)
{
- of_unregister_driver(&bigmac_sbus_driver);
+ of_unregister_platform_driver(&bigmac_sbus_driver);
}
module_init(bigmac_init);
if (skip)
continue;
- err = request_irq(op->irqs[0],
+ err = request_irq(op->archdata.irqs[0],
quattro_sbus_interrupt,
IRQF_SHARED, "Quattro",
qp);
if (skip)
continue;
- free_irq(op->irqs[0], qp);
+ free_irq(op->archdata.irqs[0], qp);
}
}
#endif /* CONFIG_SBUS */
/* Happy Meal can do it all... */
dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM;
- dev->irq = op->irqs[0];
+ dev->irq = op->archdata.irqs[0];
#if defined(CONFIG_SBUS) && defined(CONFIG_PCI)
/* Hook up SBUS register/descriptor accessors. */
{
int err;
- err = of_register_driver(&hme_sbus_driver, &of_bus_type);
+ err = of_register_platform_driver(&hme_sbus_driver);
if (!err)
err = quattro_sbus_register_irqs();
static void happy_meal_sbus_exit(void)
{
- of_unregister_driver(&hme_sbus_driver);
+ of_unregister_platform_driver(&hme_sbus_driver);
quattro_sbus_free_irqs();
while (qfe_sbus_list) {
dev->ethtool_ops = &sparc_lance_ethtool_ops;
dev->netdev_ops = &sparc_lance_ops;
- dev->irq = op->irqs[0];
+ dev->irq = op->archdata.irqs[0];
/* We cannot sleep if the chip is busy during a
* multicast list update event, because such events
/* Find all the lance cards on the system and initialize them */
static int __init sparc_lance_init(void)
{
- return of_register_driver(&sunlance_sbus_driver, &of_bus_type);
+ return of_register_platform_driver(&sunlance_sbus_driver);
}
static void __exit sparc_lance_exit(void)
{
- of_unregister_driver(&sunlance_sbus_driver);
+ of_unregister_platform_driver(&sunlance_sbus_driver);
}
module_init(sparc_lance_init);
qec_init_once(qecp, op);
- if (request_irq(op->irqs[0], qec_interrupt,
+ if (request_irq(op->archdata.irqs[0], qec_interrupt,
IRQF_SHARED, "qec", (void *) qecp)) {
printk(KERN_ERR "qec: Can't register irq.\n");
goto fail;
SET_NETDEV_DEV(dev, &op->dev);
dev->watchdog_timeo = 5*HZ;
- dev->irq = op->irqs[0];
+ dev->irq = op->archdata.irqs[0];
dev->dma = 0;
dev->ethtool_ops = &qe_ethtool_ops;
dev->netdev_ops = &qec_ops;
static int __init qec_init(void)
{
- return of_register_driver(&qec_sbus_driver, &of_bus_type);
+ return of_register_platform_driver(&qec_sbus_driver);
}
static void __exit qec_exit(void)
{
- of_unregister_driver(&qec_sbus_driver);
+ of_unregister_platform_driver(&qec_sbus_driver);
while (root_qec_dev) {
struct sunqec *next = root_qec_dev->next_module;
struct of_device *op = root_qec_dev->op;
- free_irq(op->irqs[0], (void *) root_qec_dev);
+ free_irq(op->archdata.irqs[0], (void *) root_qec_dev);
of_iounmap(&op->resource[0], root_qec_dev->gregs,
GLOB_REG_SIZE);
kfree(root_qec_dev);
#include <linux/skbuff.h>
#include <linux/io.h>
#include <linux/slab.h>
-
+#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
#include <linux/of_mdio.h>
-config OF_FLATTREE
+config DTC
+ bool
+
+config OF
bool
+
+menu "Flattened Device Tree and Open Firmware support"
depends on OF
+config PROC_DEVICETREE
+ bool "Support for device tree in /proc"
+ depends on PROC_FS && !SPARC
+ help
+ This option adds a device-tree directory under /proc which contains
+ an image of the device tree that the kernel copies from Open
+ Firmware or other boot firmware. If unsure, say Y here.
+
+config OF_FLATTREE
+ bool
+ select DTC
+
config OF_DYNAMIC
def_bool y
- depends on OF && PPC_OF
+ depends on PPC_OF
+
+config OF_ADDRESS
+ def_bool y
+ depends on !SPARC
+
+config OF_IRQ
+ def_bool y
+ depends on !SPARC
config OF_DEVICE
def_bool y
- depends on OF && (SPARC || PPC_OF || MICROBLAZE)
config OF_GPIO
def_bool y
- depends on OF && (PPC_OF || MICROBLAZE) && GPIOLIB
+ depends on GPIOLIB && !SPARC
help
OpenFirmware GPIO accessors
config OF_I2C
def_tristate I2C
- depends on (PPC_OF || MICROBLAZE) && I2C
+ depends on I2C && !SPARC
help
OpenFirmware I2C accessors
config OF_SPI
def_tristate SPI
- depends on OF && (PPC_OF || MICROBLAZE) && SPI
+ depends on SPI && !SPARC
help
OpenFirmware SPI accessors
config OF_MDIO
def_tristate PHYLIB
- depends on OF && PHYLIB
+ depends on PHYLIB
help
OpenFirmware MDIO bus (Ethernet PHY) accessors
+
+endmenu # OF
obj-y = base.o
obj-$(CONFIG_OF_FLATTREE) += fdt.o
+obj-$(CONFIG_OF_ADDRESS) += address.o
+obj-$(CONFIG_OF_IRQ) += irq.o
obj-$(CONFIG_OF_DEVICE) += device.o platform.o
obj-$(CONFIG_OF_GPIO) += gpio.o
obj-$(CONFIG_OF_I2C) += of_i2c.o
--- /dev/null
+
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/pci_regs.h>
+#include <linux/string.h>
+
+/* Max address size we deal with */
+#define OF_MAX_ADDR_CELLS 4
+#define OF_CHECK_COUNTS(na, ns) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \
+ (ns) > 0)
+
+static struct of_bus *of_match_bus(struct device_node *np);
+static int __of_address_to_resource(struct device_node *dev, const u32 *addrp,
+ u64 size, unsigned int flags,
+ struct resource *r);
+
+/* Debug utility */
+#ifdef DEBUG
+static void of_dump_addr(const char *s, const u32 *addr, int na)
+{
+ printk(KERN_DEBUG "%s", s);
+ while (na--)
+ printk(" %08x", be32_to_cpu(*(addr++)));
+ printk("\n");
+}
+#else
+static void of_dump_addr(const char *s, const u32 *addr, int na) { }
+#endif
+
+/* Callbacks for bus specific translators */
+struct of_bus {
+ const char *name;
+ const char *addresses;
+ int (*match)(struct device_node *parent);
+ void (*count_cells)(struct device_node *child,
+ int *addrc, int *sizec);
+ u64 (*map)(u32 *addr, const u32 *range,
+ int na, int ns, int pna);
+ int (*translate)(u32 *addr, u64 offset, int na);
+ unsigned int (*get_flags)(const u32 *addr);
+};
+
+/*
+ * Default translator (generic bus)
+ */
+
+static void of_bus_default_count_cells(struct device_node *dev,
+ int *addrc, int *sizec)
+{
+ if (addrc)
+ *addrc = of_n_addr_cells(dev);
+ if (sizec)
+ *sizec = of_n_size_cells(dev);
+}
+
+static u64 of_bus_default_map(u32 *addr, const u32 *range,
+ int na, int ns, int pna)
+{
+ u64 cp, s, da;
+
+ cp = of_read_number(range, na);
+ s = of_read_number(range + na + pna, ns);
+ da = of_read_number(addr, na);
+
+ pr_debug("OF: default map, cp=%llx, s=%llx, da=%llx\n",
+ (unsigned long long)cp, (unsigned long long)s,
+ (unsigned long long)da);
+
+ if (da < cp || da >= (cp + s))
+ return OF_BAD_ADDR;
+ return da - cp;
+}
+
+static int of_bus_default_translate(u32 *addr, u64 offset, int na)
+{
+ u64 a = of_read_number(addr, na);
+ memset(addr, 0, na * 4);
+ a += offset;
+ if (na > 1)
+ addr[na - 2] = cpu_to_be32(a >> 32);
+ addr[na - 1] = cpu_to_be32(a & 0xffffffffu);
+
+ return 0;
+}
+
+static unsigned int of_bus_default_get_flags(const u32 *addr)
+{
+ return IORESOURCE_MEM;
+}
+
+#ifdef CONFIG_PCI
+/*
+ * PCI bus specific translator
+ */
+
+static int of_bus_pci_match(struct device_node *np)
+{
+ /* "vci" is for the /chaos bridge on 1st-gen PCI powermacs */
+ return !strcmp(np->type, "pci") || !strcmp(np->type, "vci");
+}
+
+static void of_bus_pci_count_cells(struct device_node *np,
+ int *addrc, int *sizec)
+{
+ if (addrc)
+ *addrc = 3;
+ if (sizec)
+ *sizec = 2;
+}
+
+static unsigned int of_bus_pci_get_flags(const u32 *addr)
+{
+ unsigned int flags = 0;
+ u32 w = addr[0];
+
+ switch((w >> 24) & 0x03) {
+ case 0x01:
+ flags |= IORESOURCE_IO;
+ break;
+ case 0x02: /* 32 bits */
+ case 0x03: /* 64 bits */
+ flags |= IORESOURCE_MEM;
+ break;
+ }
+ if (w & 0x40000000)
+ flags |= IORESOURCE_PREFETCH;
+ return flags;
+}
+
+static u64 of_bus_pci_map(u32 *addr, const u32 *range, int na, int ns, int pna)
+{
+ u64 cp, s, da;
+ unsigned int af, rf;
+
+ af = of_bus_pci_get_flags(addr);
+ rf = of_bus_pci_get_flags(range);
+
+ /* Check address type match */
+ if ((af ^ rf) & (IORESOURCE_MEM | IORESOURCE_IO))
+ return OF_BAD_ADDR;
+
+ /* Read address values, skipping high cell */
+ cp = of_read_number(range + 1, na - 1);
+ s = of_read_number(range + na + pna, ns);
+ da = of_read_number(addr + 1, na - 1);
+
+ pr_debug("OF: PCI map, cp=%llx, s=%llx, da=%llx\n",
+ (unsigned long long)cp, (unsigned long long)s,
+ (unsigned long long)da);
+
+ if (da < cp || da >= (cp + s))
+ return OF_BAD_ADDR;
+ return da - cp;
+}
+
+static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
+{
+ return of_bus_default_translate(addr + 1, offset, na - 1);
+}
+
+const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
+ unsigned int *flags)
+{
+ const u32 *prop;
+ unsigned int psize;
+ struct device_node *parent;
+ struct of_bus *bus;
+ int onesize, i, na, ns;
+
+ /* Get parent & match bus type */
+ parent = of_get_parent(dev);
+ if (parent == NULL)
+ return NULL;
+ bus = of_match_bus(parent);
+ if (strcmp(bus->name, "pci")) {
+ of_node_put(parent);
+ return NULL;
+ }
+ bus->count_cells(dev, &na, &ns);
+ of_node_put(parent);
+ if (!OF_CHECK_COUNTS(na, ns))
+ return NULL;
+
+ /* Get "reg" or "assigned-addresses" property */
+ prop = of_get_property(dev, bus->addresses, &psize);
+ if (prop == NULL)
+ return NULL;
+ psize /= 4;
+
+ onesize = na + ns;
+ for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++) {
+ u32 val = be32_to_cpu(prop[0]);
+ if ((val & 0xff) == ((bar_no * 4) + PCI_BASE_ADDRESS_0)) {
+ if (size)
+ *size = of_read_number(prop + na, ns);
+ if (flags)
+ *flags = bus->get_flags(prop);
+ return prop;
+ }
+ }
+ return NULL;
+}
+EXPORT_SYMBOL(of_get_pci_address);
+
+int of_pci_address_to_resource(struct device_node *dev, int bar,
+ struct resource *r)
+{
+ const u32 *addrp;
+ u64 size;
+ unsigned int flags;
+
+ addrp = of_get_pci_address(dev, bar, &size, &flags);
+ if (addrp == NULL)
+ return -EINVAL;
+ return __of_address_to_resource(dev, addrp, size, flags, r);
+}
+EXPORT_SYMBOL_GPL(of_pci_address_to_resource);
+#endif /* CONFIG_PCI */
+
+/*
+ * ISA bus specific translator
+ */
+
+static int of_bus_isa_match(struct device_node *np)
+{
+ return !strcmp(np->name, "isa");
+}
+
+static void of_bus_isa_count_cells(struct device_node *child,
+ int *addrc, int *sizec)
+{
+ if (addrc)
+ *addrc = 2;
+ if (sizec)
+ *sizec = 1;
+}
+
+static u64 of_bus_isa_map(u32 *addr, const u32 *range, int na, int ns, int pna)
+{
+ u64 cp, s, da;
+
+ /* Check address type match */
+ if ((addr[0] ^ range[0]) & 0x00000001)
+ return OF_BAD_ADDR;
+
+ /* Read address values, skipping high cell */
+ cp = of_read_number(range + 1, na - 1);
+ s = of_read_number(range + na + pna, ns);
+ da = of_read_number(addr + 1, na - 1);
+
+ pr_debug("OF: ISA map, cp=%llx, s=%llx, da=%llx\n",
+ (unsigned long long)cp, (unsigned long long)s,
+ (unsigned long long)da);
+
+ if (da < cp || da >= (cp + s))
+ return OF_BAD_ADDR;
+ return da - cp;
+}
+
+static int of_bus_isa_translate(u32 *addr, u64 offset, int na)
+{
+ return of_bus_default_translate(addr + 1, offset, na - 1);
+}
+
+static unsigned int of_bus_isa_get_flags(const u32 *addr)
+{
+ unsigned int flags = 0;
+ u32 w = addr[0];
+
+ if (w & 1)
+ flags |= IORESOURCE_IO;
+ else
+ flags |= IORESOURCE_MEM;
+ return flags;
+}
+
+/*
+ * Array of bus specific translators
+ */
+
+static struct of_bus of_busses[] = {
+#ifdef CONFIG_PCI
+ /* PCI */
+ {
+ .name = "pci",
+ .addresses = "assigned-addresses",
+ .match = of_bus_pci_match,
+ .count_cells = of_bus_pci_count_cells,
+ .map = of_bus_pci_map,
+ .translate = of_bus_pci_translate,
+ .get_flags = of_bus_pci_get_flags,
+ },
+#endif /* CONFIG_PCI */
+ /* ISA */
+ {
+ .name = "isa",
+ .addresses = "reg",
+ .match = of_bus_isa_match,
+ .count_cells = of_bus_isa_count_cells,
+ .map = of_bus_isa_map,
+ .translate = of_bus_isa_translate,
+ .get_flags = of_bus_isa_get_flags,
+ },
+ /* Default */
+ {
+ .name = "default",
+ .addresses = "reg",
+ .match = NULL,
+ .count_cells = of_bus_default_count_cells,
+ .map = of_bus_default_map,
+ .translate = of_bus_default_translate,
+ .get_flags = of_bus_default_get_flags,
+ },
+};
+
+static struct of_bus *of_match_bus(struct device_node *np)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(of_busses); i++)
+ if (!of_busses[i].match || of_busses[i].match(np))
+ return &of_busses[i];
+ BUG();
+ return NULL;
+}
+
+static int of_translate_one(struct device_node *parent, struct of_bus *bus,
+ struct of_bus *pbus, u32 *addr,
+ int na, int ns, int pna, const char *rprop)
+{
+ const u32 *ranges;
+ unsigned int rlen;
+ int rone;
+ u64 offset = OF_BAD_ADDR;
+
+ /* Normally, an absence of a "ranges" property means we are
+ * crossing a non-translatable boundary, and thus the addresses
+ * below the current not cannot be converted to CPU physical ones.
+ * Unfortunately, while this is very clear in the spec, it's not
+ * what Apple understood, and they do have things like /uni-n or
+ * /ht nodes with no "ranges" property and a lot of perfectly
+ * useable mapped devices below them. Thus we treat the absence of
+ * "ranges" as equivalent to an empty "ranges" property which means
+ * a 1:1 translation at that level. It's up to the caller not to try
+ * to translate addresses that aren't supposed to be translated in
+ * the first place. --BenH.
+ *
+ * As far as we know, this damage only exists on Apple machines, so
+ * This code is only enabled on powerpc. --gcl
+ */
+ ranges = of_get_property(parent, rprop, &rlen);
+#if !defined(CONFIG_PPC)
+ if (ranges == NULL) {
+ pr_err("OF: no ranges; cannot translate\n");
+ return 1;
+ }
+#endif /* !defined(CONFIG_PPC) */
+ if (ranges == NULL || rlen == 0) {
+ offset = of_read_number(addr, na);
+ memset(addr, 0, pna * 4);
+ pr_debug("OF: empty ranges; 1:1 translation\n");
+ goto finish;
+ }
+
+ pr_debug("OF: walking ranges...\n");
+
+ /* Now walk through the ranges */
+ rlen /= 4;
+ rone = na + pna + ns;
+ for (; rlen >= rone; rlen -= rone, ranges += rone) {
+ offset = bus->map(addr, ranges, na, ns, pna);
+ if (offset != OF_BAD_ADDR)
+ break;
+ }
+ if (offset == OF_BAD_ADDR) {
+ pr_debug("OF: not found !\n");
+ return 1;
+ }
+ memcpy(addr, ranges + na, 4 * pna);
+
+ finish:
+ of_dump_addr("OF: parent translation for:", addr, pna);
+ pr_debug("OF: with offset: %llx\n", (unsigned long long)offset);
+
+ /* Translate it into parent bus space */
+ return pbus->translate(addr, offset, pna);
+}
+
+/*
+ * Translate an address from the device-tree into a CPU physical address,
+ * this walks up the tree and applies the various bus mappings on the
+ * way.
+ *
+ * Note: We consider that crossing any level with #size-cells == 0 to mean
+ * that translation is impossible (that is we are not dealing with a value
+ * that can be mapped to a cpu physical address). This is not really specified
+ * that way, but this is traditionally the way IBM at least do things
+ */
+u64 __of_translate_address(struct device_node *dev, const u32 *in_addr,
+ const char *rprop)
+{
+ struct device_node *parent = NULL;
+ struct of_bus *bus, *pbus;
+ u32 addr[OF_MAX_ADDR_CELLS];
+ int na, ns, pna, pns;
+ u64 result = OF_BAD_ADDR;
+
+ pr_debug("OF: ** translation for device %s **\n", dev->full_name);
+
+ /* Increase refcount at current level */
+ of_node_get(dev);
+
+ /* Get parent & match bus type */
+ parent = of_get_parent(dev);
+ if (parent == NULL)
+ goto bail;
+ bus = of_match_bus(parent);
+
+ /* Cound address cells & copy address locally */
+ bus->count_cells(dev, &na, &ns);
+ if (!OF_CHECK_COUNTS(na, ns)) {
+ printk(KERN_ERR "prom_parse: Bad cell count for %s\n",
+ dev->full_name);
+ goto bail;
+ }
+ memcpy(addr, in_addr, na * 4);
+
+ pr_debug("OF: bus is %s (na=%d, ns=%d) on %s\n",
+ bus->name, na, ns, parent->full_name);
+ of_dump_addr("OF: translating address:", addr, na);
+
+ /* Translate */
+ for (;;) {
+ /* Switch to parent bus */
+ of_node_put(dev);
+ dev = parent;
+ parent = of_get_parent(dev);
+
+ /* If root, we have finished */
+ if (parent == NULL) {
+ pr_debug("OF: reached root node\n");
+ result = of_read_number(addr, na);
+ break;
+ }
+
+ /* Get new parent bus and counts */
+ pbus = of_match_bus(parent);
+ pbus->count_cells(dev, &pna, &pns);
+ if (!OF_CHECK_COUNTS(pna, pns)) {
+ printk(KERN_ERR "prom_parse: Bad cell count for %s\n",
+ dev->full_name);
+ break;
+ }
+
+ pr_debug("OF: parent bus is %s (na=%d, ns=%d) on %s\n",
+ pbus->name, pna, pns, parent->full_name);
+
+ /* Apply bus translation */
+ if (of_translate_one(dev, bus, pbus, addr, na, ns, pna, rprop))
+ break;
+
+ /* Complete the move up one level */
+ na = pna;
+ ns = pns;
+ bus = pbus;
+
+ of_dump_addr("OF: one level translation:", addr, na);
+ }
+ bail:
+ of_node_put(parent);
+ of_node_put(dev);
+
+ return result;
+}
+
+u64 of_translate_address(struct device_node *dev, const u32 *in_addr)
+{
+ return __of_translate_address(dev, in_addr, "ranges");
+}
+EXPORT_SYMBOL(of_translate_address);
+
+u64 of_translate_dma_address(struct device_node *dev, const u32 *in_addr)
+{
+ return __of_translate_address(dev, in_addr, "dma-ranges");
+}
+EXPORT_SYMBOL(of_translate_dma_address);
+
+const u32 *of_get_address(struct device_node *dev, int index, u64 *size,
+ unsigned int *flags)
+{
+ const u32 *prop;
+ unsigned int psize;
+ struct device_node *parent;
+ struct of_bus *bus;
+ int onesize, i, na, ns;
+
+ /* Get parent & match bus type */
+ parent = of_get_parent(dev);
+ if (parent == NULL)
+ return NULL;
+ bus = of_match_bus(parent);
+ bus->count_cells(dev, &na, &ns);
+ of_node_put(parent);
+ if (!OF_CHECK_COUNTS(na, ns))
+ return NULL;
+
+ /* Get "reg" or "assigned-addresses" property */
+ prop = of_get_property(dev, bus->addresses, &psize);
+ if (prop == NULL)
+ return NULL;
+ psize /= 4;
+
+ onesize = na + ns;
+ for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
+ if (i == index) {
+ if (size)
+ *size = of_read_number(prop + na, ns);
+ if (flags)
+ *flags = bus->get_flags(prop);
+ return prop;
+ }
+ return NULL;
+}
+EXPORT_SYMBOL(of_get_address);
+
+static int __of_address_to_resource(struct device_node *dev, const u32 *addrp,
+ u64 size, unsigned int flags,
+ struct resource *r)
+{
+ u64 taddr;
+
+ if ((flags & (IORESOURCE_IO | IORESOURCE_MEM)) == 0)
+ return -EINVAL;
+ taddr = of_translate_address(dev, addrp);
+ if (taddr == OF_BAD_ADDR)
+ return -EINVAL;
+ memset(r, 0, sizeof(struct resource));
+ if (flags & IORESOURCE_IO) {
+ unsigned long port;
+ port = pci_address_to_pio(taddr);
+ if (port == (unsigned long)-1)
+ return -EINVAL;
+ r->start = port;
+ r->end = port + size - 1;
+ } else {
+ r->start = taddr;
+ r->end = taddr + size - 1;
+ }
+ r->flags = flags;
+ r->name = dev->full_name;
+ return 0;
+}
+
+/**
+ * of_address_to_resource - Translate device tree address and return as resource
+ *
+ * Note that if your address is a PIO address, the conversion will fail if
+ * the physical address can't be internally converted to an IO token with
+ * pci_address_to_pio(), that is because it's either called to early or it
+ * can't be matched to any host bridge IO space
+ */
+int of_address_to_resource(struct device_node *dev, int index,
+ struct resource *r)
+{
+ const u32 *addrp;
+ u64 size;
+ unsigned int flags;
+
+ addrp = of_get_address(dev, index, &size, &flags);
+ if (addrp == NULL)
+ return -EINVAL;
+ return __of_address_to_resource(dev, addrp, size, flags, r);
+}
+EXPORT_SYMBOL_GPL(of_address_to_resource);
+
+
+/**
+ * of_iomap - Maps the memory mapped IO for a given device_node
+ * @device: the device whose io range will be mapped
+ * @index: index of the io range
+ *
+ * Returns a pointer to the mapped memory
+ */
+void __iomem *of_iomap(struct device_node *np, int index)
+{
+ struct resource res;
+
+ if (of_address_to_resource(np, index, &res))
+ return NULL;
+
+ return ioremap(res.start, 1 + res.end - res.start);
+}
+EXPORT_SYMBOL(of_iomap);
}
EXPORT_SYMBOL(of_find_matching_node);
-/**
- * of_modalias_table: Table of explicit compatible ==> modalias mappings
- *
- * This table allows particulare compatible property values to be mapped
- * to modalias strings. This is useful for busses which do not directly
- * understand the OF device tree but are populated based on data contained
- * within the device tree. SPI and I2C are the two current users of this
- * table.
- *
- * In most cases, devices do not need to be listed in this table because
- * the modalias value can be derived directly from the compatible table.
- * However, if for any reason a value cannot be derived, then this table
- * provides a method to override the implicit derivation.
- *
- * At the moment, a single table is used for all bus types because it is
- * assumed that the data size is small and that the compatible values
- * should already be distinct enough to differentiate between SPI, I2C
- * and other devices.
- */
-struct of_modalias_table {
- char *of_device;
- char *modalias;
-};
-static struct of_modalias_table of_modalias_table[] = {
- { "fsl,mcu-mpc8349emitx", "mcu-mpc8349emitx" },
- { "mmc-spi-slot", "mmc_spi" },
-};
-
/**
* of_modalias_node - Lookup appropriate modalias for a device node
* @node: pointer to a device tree node
* @modalias: Pointer to buffer that modalias value will be copied into
* @len: Length of modalias value
*
- * Based on the value of the compatible property, this routine will determine
- * an appropriate modalias value for a particular device tree node. Two
- * separate methods are attempted to derive a modalias value.
+ * Based on the value of the compatible property, this routine will attempt
+ * to choose an appropriate modalias value for a particular device tree node.
+ * It does this by stripping the manufacturer prefix (as delimited by a ',')
+ * from the first entry in the compatible list property.
*
- * First method is to lookup the compatible value in of_modalias_table.
- * Second is to strip off the manufacturer prefix from the first
- * compatible entry and use the remainder as modalias
- *
- * This routine returns 0 on success
+ * This routine returns 0 on success, <0 on failure.
*/
int of_modalias_node(struct device_node *node, char *modalias, int len)
{
- int i, cplen;
- const char *compatible;
- const char *p;
-
- /* 1. search for exception list entry */
- for (i = 0; i < ARRAY_SIZE(of_modalias_table); i++) {
- compatible = of_modalias_table[i].of_device;
- if (!of_device_is_compatible(node, compatible))
- continue;
- strlcpy(modalias, of_modalias_table[i].modalias, len);
- return 0;
- }
+ const char *compatible, *p;
+ int cplen;
compatible = of_get_property(node, "compatible", &cplen);
- if (!compatible)
+ if (!compatible || strlen(compatible) > cplen)
return -ENODEV;
-
- /* 2. take first compatible entry and strip manufacturer */
p = strchr(compatible, ',');
- if (!p)
- return -ENODEV;
- p++;
- strlcpy(modalias, p, len);
+ strlcpy(modalias, p ? p + 1 : compatible, len);
return 0;
}
EXPORT_SYMBOL_GPL(of_modalias_node);
struct device_node *
of_parse_phandle(struct device_node *np, const char *phandle_name, int index)
{
- const phandle *phandle;
+ const __be32 *phandle;
int size;
phandle = of_get_property(np, phandle_name, &size);
if ((!phandle) || (size < sizeof(*phandle) * (index + 1)))
return NULL;
- return of_find_node_by_phandle(phandle[index]);
+ return of_find_node_by_phandle(be32_to_cpup(phandle + index));
}
EXPORT_SYMBOL(of_parse_phandle);
while (list < list_end) {
const __be32 *cells;
- const phandle *phandle;
+ phandle phandle;
- phandle = list++;
+ phandle = be32_to_cpup(list++);
args = list;
/* one cell hole in the list = <>; */
- if (!*phandle)
+ if (!phandle)
goto next;
- node = of_find_node_by_phandle(*phandle);
+ node = of_find_node_by_phandle(phandle);
if (!node) {
pr_debug("%s: could not find phandle\n",
np->full_name);
const struct of_device_id *of_match_device(const struct of_device_id *matches,
const struct device *dev)
{
- if (!dev->of_node)
+ if ((!matches) || (!dev->of_node))
return NULL;
return of_match_node(matches, dev->of_node);
}
EXPORT_SYMBOL(of_match_device);
-struct of_device *of_dev_get(struct of_device *dev)
+struct platform_device *of_dev_get(struct platform_device *dev)
{
struct device *tmp;
return NULL;
tmp = get_device(&dev->dev);
if (tmp)
- return to_of_device(tmp);
+ return to_platform_device(tmp);
else
return NULL;
}
EXPORT_SYMBOL(of_dev_get);
-void of_dev_put(struct of_device *dev)
+void of_dev_put(struct platform_device *dev)
{
if (dev)
put_device(&dev->dev);
static ssize_t devspec_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct of_device *ofdev;
+ struct platform_device *ofdev;
- ofdev = to_of_device(dev);
+ ofdev = to_platform_device(dev);
return sprintf(buf, "%s\n", ofdev->dev.of_node->full_name);
}
static ssize_t name_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct of_device *ofdev;
+ struct platform_device *ofdev;
- ofdev = to_of_device(dev);
+ ofdev = to_platform_device(dev);
return sprintf(buf, "%s\n", ofdev->dev.of_node->name);
}
static ssize_t modalias_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct of_device *ofdev = to_of_device(dev);
- ssize_t len = 0;
-
- len = of_device_get_modalias(ofdev, buf, PAGE_SIZE - 2);
+ ssize_t len = of_device_get_modalias(dev, buf, PAGE_SIZE - 2);
buf[len] = '\n';
buf[len+1] = 0;
return len+1;
*/
void of_release_dev(struct device *dev)
{
- struct of_device *ofdev;
+ struct platform_device *ofdev;
- ofdev = to_of_device(dev);
+ ofdev = to_platform_device(dev);
of_node_put(ofdev->dev.of_node);
kfree(ofdev);
}
EXPORT_SYMBOL(of_release_dev);
-int of_device_register(struct of_device *ofdev)
+int of_device_register(struct platform_device *ofdev)
{
BUG_ON(ofdev->dev.of_node == NULL);
device_initialize(&ofdev->dev);
+ /* name and id have to be set so that the platform bus doesn't get
+ * confused on matching */
+ ofdev->name = dev_name(&ofdev->dev);
+ ofdev->id = -1;
+
/* device_add will assume that this device is on the same node as
* the parent. If there is no parent defined, set the node
* explicitly */
}
EXPORT_SYMBOL(of_device_register);
-void of_device_unregister(struct of_device *ofdev)
+void of_device_unregister(struct platform_device *ofdev)
{
device_unregister(&ofdev->dev);
}
EXPORT_SYMBOL(of_device_unregister);
-ssize_t of_device_get_modalias(struct of_device *ofdev,
- char *str, ssize_t len)
+ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len)
{
const char *compat;
int cplen, i;
ssize_t tsize, csize, repend;
/* Name & Type */
- csize = snprintf(str, len, "of:N%sT%s", ofdev->dev.of_node->name,
- ofdev->dev.of_node->type);
+ csize = snprintf(str, len, "of:N%sT%s", dev->of_node->name,
+ dev->of_node->type);
/* Get compatible property if any */
- compat = of_get_property(ofdev->dev.of_node, "compatible", &cplen);
+ compat = of_get_property(dev->of_node, "compatible", &cplen);
if (!compat)
return csize;
return tsize;
}
+
+/**
+ * of_device_uevent - Display OF related uevent information
+ */
+int of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+ const char *compat;
+ int seen = 0, cplen, sl;
+
+ if ((!dev) || (!dev->of_node))
+ return -ENODEV;
+
+ if (add_uevent_var(env, "OF_NAME=%s", dev->of_node->name))
+ return -ENOMEM;
+
+ if (add_uevent_var(env, "OF_TYPE=%s", dev->of_node->type))
+ return -ENOMEM;
+
+ /* Since the compatible field can contain pretty much anything
+ * it's not really legal to split it out with commas. We split it
+ * up using a number of environment variables instead. */
+
+ compat = of_get_property(dev->of_node, "compatible", &cplen);
+ while (compat && *compat && cplen > 0) {
+ if (add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat))
+ return -ENOMEM;
+
+ sl = strlen(compat) + 1;
+ compat += sl;
+ cplen -= sl;
+ seen++;
+ }
+
+ if (add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen))
+ return -ENOMEM;
+
+ /* modalias is trickier, we add it in 2 steps */
+ if (add_uevent_var(env, "MODALIAS="))
+ return -ENOMEM;
+
+ sl = of_device_get_modalias(dev, &env->buf[env->buflen-1],
+ sizeof(env->buf) - env->buflen);
+ if (sl >= (sizeof(env->buf) - env->buflen))
+ return -ENOMEM;
+ env->buflen += sl;
+
+ return 0;
+}
u32 sz = be32_to_cpup((__be32 *)p);
p += 8;
if (be32_to_cpu(initial_boot_params->version) < 0x10)
- p = _ALIGN(p, sz >= 8 ? 8 : 4);
+ p = ALIGN(p, sz >= 8 ? 8 : 4);
p += sz;
- p = _ALIGN(p, 4);
+ p = ALIGN(p, 4);
continue;
}
if (tag != OF_DT_BEGIN_NODE) {
}
depth++;
pathp = (char *)p;
- p = _ALIGN(p + strlen(pathp) + 1, 4);
+ p = ALIGN(p + strlen(pathp) + 1, 4);
if ((*pathp) == '/') {
char *lp, *np;
for (lp = NULL, np = pathp; *np; np++)
p += 4;
BUG_ON(be32_to_cpup((__be32 *)p) != OF_DT_BEGIN_NODE);
p += 4;
- return _ALIGN(p + strlen((char *)p) + 1, 4);
+ return ALIGN(p + strlen((char *)p) + 1, 4);
}
/**
noff = be32_to_cpup((__be32 *)(p + 4));
p += 8;
if (be32_to_cpu(initial_boot_params->version) < 0x10)
- p = _ALIGN(p, sz >= 8 ? 8 : 4);
+ p = ALIGN(p, sz >= 8 ? 8 : 4);
nstr = find_flat_dt_string(noff);
if (nstr == NULL) {
return (void *)p;
}
p += sz;
- p = _ALIGN(p, 4);
+ p = ALIGN(p, 4);
} while (1);
}
if (cp == NULL)
return 0;
while (cplen > 0) {
- if (strncasecmp(cp, compat, strlen(compat)) == 0)
+ if (of_compat_cmp(cp, compat, strlen(compat)) == 0)
return 1;
l = strlen(cp) + 1;
cp += l;
{
void *res;
- *mem = _ALIGN(*mem, align);
+ *mem = ALIGN(*mem, align);
res = (void *)*mem;
*mem += size;
*p += 4;
pathp = (char *)*p;
l = allocl = strlen(pathp) + 1;
- *p = _ALIGN(*p + l, 4);
+ *p = ALIGN(*p + l, 4);
/* version 0x10 has a more compact unit name here instead of the full
* path. we accumulate the full path size using "fpsize", we'll rebuild
noff = be32_to_cpup((__be32 *)((*p) + 4));
*p += 8;
if (be32_to_cpu(initial_boot_params->version) < 0x10)
- *p = _ALIGN(*p, sz >= 8 ? 8 : 4);
+ *p = ALIGN(*p, sz >= 8 ? 8 : 4);
pname = find_flat_dt_string(noff);
if (pname == NULL) {
if ((strcmp(pname, "phandle") == 0) ||
(strcmp(pname, "linux,phandle") == 0)) {
if (np->phandle == 0)
- np->phandle = *((u32 *)*p);
+ np->phandle = be32_to_cpup((__be32*)*p);
}
/* And we process the "ibm,phandle" property
* used in pSeries dynamic device tree
* stuff */
if (strcmp(pname, "ibm,phandle") == 0)
- np->phandle = *((u32 *)*p);
+ np->phandle = be32_to_cpup((__be32 *)*p);
pp->name = pname;
pp->length = sz;
pp->value = (void *)*p;
*prev_pp = pp;
prev_pp = &pp->next;
}
- *p = _ALIGN((*p) + sz, 4);
+ *p = ALIGN((*p) + sz, 4);
}
/* with version 0x10 we may not have the name property, recreate
* it here from the unit name if absent
* (at your option) any later version.
*/
-#include <linux/kernel.h>
+#include <linux/device.h>
#include <linux/errno.h>
+#include <linux/module.h>
#include <linux/io.h>
#include <linux/of.h>
-#include <linux/slab.h>
+#include <linux/of_address.h>
#include <linux/of_gpio.h>
-#include <asm/prom.h>
+#include <linux/slab.h>
/**
* of_get_gpio_flags - Get a GPIO number and flags to use with GPIO API
enum of_gpio_flags *flags)
{
int ret;
- struct device_node *gc;
- struct of_gpio_chip *of_gc = NULL;
+ struct device_node *gpio_np;
+ struct gpio_chip *gc;
int size;
const void *gpio_spec;
const __be32 *gpio_cells;
ret = of_parse_phandles_with_args(np, "gpios", "#gpio-cells", index,
- &gc, &gpio_spec);
+ &gpio_np, &gpio_spec);
if (ret) {
pr_debug("%s: can't parse gpios property\n", __func__);
goto err0;
}
- of_gc = gc->data;
- if (!of_gc) {
+ gc = of_node_to_gpiochip(gpio_np);
+ if (!gc) {
pr_debug("%s: gpio controller %s isn't registered\n",
- np->full_name, gc->full_name);
+ np->full_name, gpio_np->full_name);
ret = -ENODEV;
goto err1;
}
- gpio_cells = of_get_property(gc, "#gpio-cells", &size);
+ gpio_cells = of_get_property(gpio_np, "#gpio-cells", &size);
if (!gpio_cells || size != sizeof(*gpio_cells) ||
- be32_to_cpup(gpio_cells) != of_gc->gpio_cells) {
+ be32_to_cpup(gpio_cells) != gc->of_gpio_n_cells) {
pr_debug("%s: wrong #gpio-cells for %s\n",
- np->full_name, gc->full_name);
+ np->full_name, gpio_np->full_name);
ret = -EINVAL;
goto err1;
}
if (flags)
*flags = 0;
- ret = of_gc->xlate(of_gc, np, gpio_spec, flags);
+ ret = gc->of_xlate(gc, np, gpio_spec, flags);
if (ret < 0)
goto err1;
- ret += of_gc->gc.base;
+ ret += gc->base;
err1:
- of_node_put(gc);
+ of_node_put(gpio_np);
err0:
pr_debug("%s exited with status %d\n", __func__, ret);
return ret;
/**
* of_gpio_simple_xlate - translate gpio_spec to the GPIO number and flags
- * @of_gc: pointer to the of_gpio_chip structure
+ * @gc: pointer to the gpio_chip structure
* @np: device node of the GPIO chip
* @gpio_spec: gpio specifier as found in the device tree
* @flags: a flags pointer to fill in
* gpio chips. This function performs only one sanity check: whether gpio
* is less than ngpios (that is specified in the gpio_chip).
*/
-int of_gpio_simple_xlate(struct of_gpio_chip *of_gc, struct device_node *np,
- const void *gpio_spec, enum of_gpio_flags *flags)
+static int of_gpio_simple_xlate(struct gpio_chip *gc, struct device_node *np,
+ const void *gpio_spec, u32 *flags)
{
const __be32 *gpio = gpio_spec;
const u32 n = be32_to_cpup(gpio);
* number and the flags from a single gpio cell -- this is possible,
* but not recommended).
*/
- if (of_gc->gpio_cells < 2) {
+ if (gc->of_gpio_n_cells < 2) {
WARN_ON(1);
return -EINVAL;
}
- if (n > of_gc->gc.ngpio)
+ if (n > gc->ngpio)
return -EINVAL;
if (flags)
return n;
}
-EXPORT_SYMBOL(of_gpio_simple_xlate);
/**
* of_mm_gpiochip_add - Add memory mapped GPIO chip (bank)
*
* 1) In the gpio_chip structure:
* - all the callbacks
- *
- * 2) In the of_gpio_chip structure:
- * - gpio_cells
- * - xlate callback (optional)
+ * - of_gpio_n_cells
+ * - of_xlate callback (optional)
*
* 3) In the of_mm_gpio_chip structure:
* - save_regs callback (optional)
struct of_mm_gpio_chip *mm_gc)
{
int ret = -ENOMEM;
- struct of_gpio_chip *of_gc = &mm_gc->of_gc;
- struct gpio_chip *gc = &of_gc->gc;
+ struct gpio_chip *gc = &mm_gc->gc;
gc->label = kstrdup(np->full_name, GFP_KERNEL);
if (!gc->label)
gc->base = -1;
- if (!of_gc->xlate)
- of_gc->xlate = of_gpio_simple_xlate;
-
if (mm_gc->save_regs)
mm_gc->save_regs(mm_gc);
- np->data = of_gc;
+ mm_gc->gc.of_node = np;
ret = gpiochip_add(gc);
if (ret)
goto err2;
- /* We don't want to lose the node and its ->data */
- of_node_get(np);
-
pr_debug("%s: registered as generic GPIO chip, base is %d\n",
np->full_name, gc->base);
return 0;
err2:
- np->data = NULL;
iounmap(mm_gc->regs);
err1:
kfree(gc->label);
return ret;
}
EXPORT_SYMBOL(of_mm_gpiochip_add);
+
+void of_gpiochip_add(struct gpio_chip *chip)
+{
+ if ((!chip->of_node) && (chip->dev))
+ chip->of_node = chip->dev->of_node;
+
+ if (!chip->of_node)
+ return;
+
+ if (!chip->of_xlate) {
+ chip->of_gpio_n_cells = 2;
+ chip->of_xlate = of_gpio_simple_xlate;
+ }
+
+ of_node_get(chip->of_node);
+}
+
+void of_gpiochip_remove(struct gpio_chip *chip)
+{
+ if (chip->of_node)
+ of_node_put(chip->of_node);
+}
+
+/* Private function for resolving node pointer to gpio_chip */
+static int of_gpiochip_is_match(struct gpio_chip *chip, void *data)
+{
+ return chip->of_node == data;
+}
+
+struct gpio_chip *of_node_to_gpiochip(struct device_node *np)
+{
+ return gpiochip_find(np, of_gpiochip_is_match);
+}
--- /dev/null
+/*
+ * Derived from arch/i386/kernel/irq.c
+ * Copyright (C) 1992 Linus Torvalds
+ * Adapted from arch/i386 by Gary Thomas
+ * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
+ * Updated and modified by Cort Dougan <cort@fsmlabs.com>
+ * Copyright (C) 1996-2001 Cort Dougan
+ * Adapted for Power Macintosh by Paul Mackerras
+ * Copyright (C) 1996 Paul Mackerras (paulus@cs.anu.edu.au)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * This file contains the code used to make IRQ descriptions in the
+ * device tree to actual irq numbers on an interrupt controller
+ * driver.
+ */
+
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/string.h>
+
+/**
+ * irq_of_parse_and_map - Parse and map an interrupt into linux virq space
+ * @device: Device node of the device whose interrupt is to be mapped
+ * @index: Index of the interrupt to map
+ *
+ * This function is a wrapper that chains of_irq_map_one() and
+ * irq_create_of_mapping() to make things easier to callers
+ */
+unsigned int irq_of_parse_and_map(struct device_node *dev, int index)
+{
+ struct of_irq oirq;
+
+ if (of_irq_map_one(dev, index, &oirq))
+ return NO_IRQ;
+
+ return irq_create_of_mapping(oirq.controller, oirq.specifier,
+ oirq.size);
+}
+EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
+
+/**
+ * of_irq_find_parent - Given a device node, find its interrupt parent node
+ * @child: pointer to device node
+ *
+ * Returns a pointer to the interrupt parent node, or NULL if the interrupt
+ * parent could not be determined.
+ */
+static struct device_node *of_irq_find_parent(struct device_node *child)
+{
+ struct device_node *p;
+ const __be32 *parp;
+
+ if (!of_node_get(child))
+ return NULL;
+
+ do {
+ parp = of_get_property(child, "interrupt-parent", NULL);
+ if (parp == NULL)
+ p = of_get_parent(child);
+ else {
+ if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
+ p = of_node_get(of_irq_dflt_pic);
+ else
+ p = of_find_node_by_phandle(be32_to_cpup(parp));
+ }
+ of_node_put(child);
+ child = p;
+ } while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL);
+
+ return p;
+}
+
+/**
+ * of_irq_map_raw - Low level interrupt tree parsing
+ * @parent: the device interrupt parent
+ * @intspec: interrupt specifier ("interrupts" property of the device)
+ * @ointsize: size of the passed in interrupt specifier
+ * @addr: address specifier (start of "reg" property of the device)
+ * @out_irq: structure of_irq filled by this function
+ *
+ * Returns 0 on success and a negative number on error
+ *
+ * This function is a low-level interrupt tree walking function. It
+ * can be used to do a partial walk with synthetized reg and interrupts
+ * properties, for example when resolving PCI interrupts when no device
+ * node exist for the parent.
+ */
+int of_irq_map_raw(struct device_node *parent, const __be32 *intspec,
+ u32 ointsize, const __be32 *addr, struct of_irq *out_irq)
+{
+ struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL;
+ const __be32 *tmp, *imap, *imask;
+ u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0;
+ int imaplen, match, i;
+
+ pr_debug("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],ointsize=%d\n",
+ parent->full_name, be32_to_cpup(intspec),
+ be32_to_cpup(intspec + 1), ointsize);
+
+ ipar = of_node_get(parent);
+
+ /* First get the #interrupt-cells property of the current cursor
+ * that tells us how to interpret the passed-in intspec. If there
+ * is none, we are nice and just walk up the tree
+ */
+ do {
+ tmp = of_get_property(ipar, "#interrupt-cells", NULL);
+ if (tmp != NULL) {
+ intsize = be32_to_cpu(*tmp);
+ break;
+ }
+ tnode = ipar;
+ ipar = of_irq_find_parent(ipar);
+ of_node_put(tnode);
+ } while (ipar);
+ if (ipar == NULL) {
+ pr_debug(" -> no parent found !\n");
+ goto fail;
+ }
+
+ pr_debug("of_irq_map_raw: ipar=%s, size=%d\n", ipar->full_name, intsize);
+
+ if (ointsize != intsize)
+ return -EINVAL;
+
+ /* Look for this #address-cells. We have to implement the old linux
+ * trick of looking for the parent here as some device-trees rely on it
+ */
+ old = of_node_get(ipar);
+ do {
+ tmp = of_get_property(old, "#address-cells", NULL);
+ tnode = of_get_parent(old);
+ of_node_put(old);
+ old = tnode;
+ } while (old && tmp == NULL);
+ of_node_put(old);
+ old = NULL;
+ addrsize = (tmp == NULL) ? 2 : be32_to_cpu(*tmp);
+
+ pr_debug(" -> addrsize=%d\n", addrsize);
+
+ /* Now start the actual "proper" walk of the interrupt tree */
+ while (ipar != NULL) {
+ /* Now check if cursor is an interrupt-controller and if it is
+ * then we are done
+ */
+ if (of_get_property(ipar, "interrupt-controller", NULL) !=
+ NULL) {
+ pr_debug(" -> got it !\n");
+ for (i = 0; i < intsize; i++)
+ out_irq->specifier[i] =
+ of_read_number(intspec +i, 1);
+ out_irq->size = intsize;
+ out_irq->controller = ipar;
+ of_node_put(old);
+ return 0;
+ }
+
+ /* Now look for an interrupt-map */
+ imap = of_get_property(ipar, "interrupt-map", &imaplen);
+ /* No interrupt map, check for an interrupt parent */
+ if (imap == NULL) {
+ pr_debug(" -> no map, getting parent\n");
+ newpar = of_irq_find_parent(ipar);
+ goto skiplevel;
+ }
+ imaplen /= sizeof(u32);
+
+ /* Look for a mask */
+ imask = of_get_property(ipar, "interrupt-map-mask", NULL);
+
+ /* If we were passed no "reg" property and we attempt to parse
+ * an interrupt-map, then #address-cells must be 0.
+ * Fail if it's not.
+ */
+ if (addr == NULL && addrsize != 0) {
+ pr_debug(" -> no reg passed in when needed !\n");
+ goto fail;
+ }
+
+ /* Parse interrupt-map */
+ match = 0;
+ while (imaplen > (addrsize + intsize + 1) && !match) {
+ /* Compare specifiers */
+ match = 1;
+ for (i = 0; i < addrsize && match; ++i) {
+ u32 mask = imask ? imask[i] : 0xffffffffu;
+ match = ((addr[i] ^ imap[i]) & mask) == 0;
+ }
+ for (; i < (addrsize + intsize) && match; ++i) {
+ u32 mask = imask ? imask[i] : 0xffffffffu;
+ match =
+ ((intspec[i-addrsize] ^ imap[i]) & mask) == 0;
+ }
+ imap += addrsize + intsize;
+ imaplen -= addrsize + intsize;
+
+ pr_debug(" -> match=%d (imaplen=%d)\n", match, imaplen);
+
+ /* Get the interrupt parent */
+ if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
+ newpar = of_node_get(of_irq_dflt_pic);
+ else
+ newpar = of_find_node_by_phandle(be32_to_cpup(imap));
+ imap++;
+ --imaplen;
+
+ /* Check if not found */
+ if (newpar == NULL) {
+ pr_debug(" -> imap parent not found !\n");
+ goto fail;
+ }
+
+ /* Get #interrupt-cells and #address-cells of new
+ * parent
+ */
+ tmp = of_get_property(newpar, "#interrupt-cells", NULL);
+ if (tmp == NULL) {
+ pr_debug(" -> parent lacks #interrupt-cells!\n");
+ goto fail;
+ }
+ newintsize = be32_to_cpu(*tmp);
+ tmp = of_get_property(newpar, "#address-cells", NULL);
+ newaddrsize = (tmp == NULL) ? 0 : be32_to_cpu(*tmp);
+
+ pr_debug(" -> newintsize=%d, newaddrsize=%d\n",
+ newintsize, newaddrsize);
+
+ /* Check for malformed properties */
+ if (imaplen < (newaddrsize + newintsize))
+ goto fail;
+
+ imap += newaddrsize + newintsize;
+ imaplen -= newaddrsize + newintsize;
+
+ pr_debug(" -> imaplen=%d\n", imaplen);
+ }
+ if (!match)
+ goto fail;
+
+ of_node_put(old);
+ old = of_node_get(newpar);
+ addrsize = newaddrsize;
+ intsize = newintsize;
+ intspec = imap - intsize;
+ addr = intspec - addrsize;
+
+ skiplevel:
+ /* Iterate again with new parent */
+ pr_debug(" -> new parent: %s\n", newpar ? newpar->full_name : "<>");
+ of_node_put(ipar);
+ ipar = newpar;
+ newpar = NULL;
+ }
+ fail:
+ of_node_put(ipar);
+ of_node_put(old);
+ of_node_put(newpar);
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(of_irq_map_raw);
+
+/**
+ * of_irq_map_one - Resolve an interrupt for a device
+ * @device: the device whose interrupt is to be resolved
+ * @index: index of the interrupt to resolve
+ * @out_irq: structure of_irq filled by this function
+ *
+ * This function resolves an interrupt, walking the tree, for a given
+ * device-tree node. It's the high level pendant to of_irq_map_raw().
+ */
+int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq)
+{
+ struct device_node *p;
+ const __be32 *intspec, *tmp, *addr;
+ u32 intsize, intlen;
+ int res = -EINVAL;
+
+ pr_debug("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index);
+
+ /* OldWorld mac stuff is "special", handle out of line */
+ if (of_irq_workarounds & OF_IMAP_OLDWORLD_MAC)
+ return of_irq_map_oldworld(device, index, out_irq);
+
+ /* Get the interrupts property */
+ intspec = of_get_property(device, "interrupts", &intlen);
+ if (intspec == NULL)
+ return -EINVAL;
+ intlen /= sizeof(*intspec);
+
+ pr_debug(" intspec=%d intlen=%d\n", be32_to_cpup(intspec), intlen);
+
+ /* Get the reg property (if any) */
+ addr = of_get_property(device, "reg", NULL);
+
+ /* Look for the interrupt parent. */
+ p = of_irq_find_parent(device);
+ if (p == NULL)
+ return -EINVAL;
+
+ /* Get size of interrupt specifier */
+ tmp = of_get_property(p, "#interrupt-cells", NULL);
+ if (tmp == NULL)
+ goto out;
+ intsize = be32_to_cpu(*tmp);
+
+ pr_debug(" intsize=%d intlen=%d\n", intsize, intlen);
+
+ /* Check index */
+ if ((index + 1) * intsize > intlen)
+ goto out;
+
+ /* Get new specifier and map it */
+ res = of_irq_map_raw(p, intspec + index * intsize, intsize,
+ addr, out_irq);
+ out:
+ of_node_put(p);
+ return res;
+}
+EXPORT_SYMBOL_GPL(of_irq_map_one);
+
+/**
+ * of_irq_to_resource - Decode a node's IRQ and return it as a resource
+ * @dev: pointer to device tree node
+ * @index: zero-based index of the irq
+ * @r: pointer to resource structure to return result into.
+ */
+int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
+{
+ int irq = irq_of_parse_and_map(dev, index);
+
+ /* Only dereference the resource if both the
+ * resource and the irq are valid. */
+ if (r && irq != NO_IRQ) {
+ r->start = r->end = irq;
+ r->flags = IORESOURCE_IRQ;
+ r->name = dev->full_name;
+ }
+
+ return irq;
+}
+EXPORT_SYMBOL_GPL(of_irq_to_resource);
#include <linux/i2c.h>
#include <linux/of.h>
#include <linux/of_i2c.h>
+#include <linux/of_irq.h>
#include <linux/module.h>
-void of_register_i2c_devices(struct i2c_adapter *adap,
- struct device_node *adap_node)
+void of_i2c_register_devices(struct i2c_adapter *adap)
{
void *result;
struct device_node *node;
- for_each_child_of_node(adap_node, node) {
+ /* Only register child devices if the adapter has a node pointer set */
+ if (!adap->dev.of_node)
+ return;
+
+ dev_dbg(&adap->dev, "of_i2c: walking child nodes\n");
+
+ for_each_child_of_node(adap->dev.of_node, node) {
struct i2c_board_info info = {};
struct dev_archdata dev_ad = {};
const __be32 *addr;
int len;
- if (of_modalias_node(node, info.type, sizeof(info.type)) < 0)
+ dev_dbg(&adap->dev, "of_i2c: register %s\n", node->full_name);
+
+ if (of_modalias_node(node, info.type, sizeof(info.type)) < 0) {
+ dev_err(&adap->dev, "of_i2c: modalias failure on %s\n",
+ node->full_name);
continue;
+ }
addr = of_get_property(node, "reg", &len);
- if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
- printk(KERN_ERR
- "of-i2c: invalid i2c device entry\n");
+ if (!addr || (len < sizeof(int))) {
+ dev_err(&adap->dev, "of_i2c: invalid reg on %s\n",
+ node->full_name);
continue;
}
- info.irq = irq_of_parse_and_map(node, 0);
-
info.addr = be32_to_cpup(addr);
+ if (info.addr > (1 << 10) - 1) {
+ dev_err(&adap->dev, "of_i2c: invalid addr=%x on %s\n",
+ info.addr, node->full_name);
+ continue;
+ }
- info.of_node = node;
+ info.irq = irq_of_parse_and_map(node, 0);
+ info.of_node = of_node_get(node);
info.archdata = &dev_ad;
request_module("%s", info.type);
result = i2c_new_device(adap, &info);
if (result == NULL) {
- printk(KERN_ERR
- "of-i2c: Failed to load driver for %s\n",
- info.type);
+ dev_err(&adap->dev, "of_i2c: Failure registering %s\n",
+ node->full_name);
+ of_node_put(node);
irq_dispose_mapping(info.irq);
continue;
}
-
- /*
- * Get the node to not lose the dev_archdata->of_node.
- * Currently there is no way to put it back, as well as no
- * of_unregister_i2c_devices() call.
- */
- of_node_get(node);
}
}
-EXPORT_SYMBOL(of_register_i2c_devices);
+EXPORT_SYMBOL(of_i2c_register_devices);
static int of_dev_node_match(struct device *dev, void *data)
{
#include <linux/err.h>
#include <linux/phy.h>
#include <linux/of.h>
+#include <linux/of_irq.h>
#include <linux/of_mdio.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/device.h>
#include <linux/spi/spi.h>
+#include <linux/of_irq.h>
#include <linux/of_spi.h>
/**
* of_register_spi_devices - Register child devices onto the SPI bus
* @master: Pointer to spi_master device
- * @np: parent node of SPI device nodes
*
- * Registers an spi_device for each child node of 'np' which has a 'reg'
+ * Registers an spi_device for each child node of master node which has a 'reg'
* property.
*/
-void of_register_spi_devices(struct spi_master *master, struct device_node *np)
+void of_register_spi_devices(struct spi_master *master)
{
struct spi_device *spi;
struct device_node *nc;
int rc;
int len;
- for_each_child_of_node(np, nc) {
+ if (!master->dev.of_node)
+ return;
+
+ for_each_child_of_node(master->dev.of_node, nc) {
/* Alloc an spi_device */
spi = spi_alloc_device(master);
if (!spi) {
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+#include <linux/of_address.h>
#include <linux/of_device.h>
+#include <linux/of_irq.h>
#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+
+static int of_dev_node_match(struct device *dev, void *data)
+{
+ return dev->of_node == data;
+}
+
+/**
+ * of_find_device_by_node - Find the platform_device associated with a node
+ * @np: Pointer to device tree node
+ *
+ * Returns platform_device pointer, or NULL if not found
+ */
+struct platform_device *of_find_device_by_node(struct device_node *np)
+{
+ struct device *dev;
+
+ dev = bus_find_device(&platform_bus_type, NULL, np, of_dev_node_match);
+ return dev ? to_platform_device(dev) : NULL;
+}
+EXPORT_SYMBOL(of_find_device_by_node);
+
+static int platform_driver_probe_shim(struct platform_device *pdev)
+{
+ struct platform_driver *pdrv;
+ struct of_platform_driver *ofpdrv;
+ const struct of_device_id *match;
+
+ pdrv = container_of(pdev->dev.driver, struct platform_driver, driver);
+ ofpdrv = container_of(pdrv, struct of_platform_driver, platform_driver);
+
+ /* There is an unlikely chance that an of_platform driver might match
+ * on a non-OF platform device. If so, then of_match_device() will
+ * come up empty. Return -EINVAL in this case so other drivers get
+ * the chance to bind. */
+ match = of_match_device(pdev->dev.driver->of_match_table, &pdev->dev);
+ return match ? ofpdrv->probe(pdev, match) : -EINVAL;
+}
+
+static void platform_driver_shutdown_shim(struct platform_device *pdev)
+{
+ struct platform_driver *pdrv;
+ struct of_platform_driver *ofpdrv;
+
+ pdrv = container_of(pdev->dev.driver, struct platform_driver, driver);
+ ofpdrv = container_of(pdrv, struct of_platform_driver, platform_driver);
+ ofpdrv->shutdown(pdev);
+}
+
+/**
+ * of_register_platform_driver
+ */
+int of_register_platform_driver(struct of_platform_driver *drv)
+{
+ char *of_name;
+
+ /* setup of_platform_driver to platform_driver adaptors */
+ drv->platform_driver.driver = drv->driver;
+
+ /* Prefix the driver name with 'of:' to avoid namespace collisions
+ * and bogus matches. There are some drivers in the tree that
+ * register both an of_platform_driver and a platform_driver with
+ * the same name. This is a temporary measure until they are all
+ * cleaned up --gcl July 29, 2010 */
+ of_name = kmalloc(strlen(drv->driver.name) + 5, GFP_KERNEL);
+ if (!of_name)
+ return -ENOMEM;
+ sprintf(of_name, "of:%s", drv->driver.name);
+ drv->platform_driver.driver.name = of_name;
+
+ if (drv->probe)
+ drv->platform_driver.probe = platform_driver_probe_shim;
+ drv->platform_driver.remove = drv->remove;
+ if (drv->shutdown)
+ drv->platform_driver.shutdown = platform_driver_shutdown_shim;
+ drv->platform_driver.suspend = drv->suspend;
+ drv->platform_driver.resume = drv->resume;
+
+ return platform_driver_register(&drv->platform_driver);
+}
+EXPORT_SYMBOL(of_register_platform_driver);
+
+void of_unregister_platform_driver(struct of_platform_driver *drv)
+{
+ platform_driver_unregister(&drv->platform_driver);
+ kfree(drv->platform_driver.driver.name);
+ drv->platform_driver.driver.name = NULL;
+}
+EXPORT_SYMBOL(of_unregister_platform_driver);
+
+#if defined(CONFIG_PPC_DCR)
+#include <asm/dcr.h>
+#endif
extern struct device_attribute of_platform_device_attrs[];
{
int error = -ENODEV;
struct of_platform_driver *drv;
- struct of_device *of_dev;
+ struct platform_device *of_dev;
const struct of_device_id *match;
drv = to_of_platform_driver(dev->driver);
- of_dev = to_of_device(dev);
+ of_dev = to_platform_device(dev);
if (!drv->probe)
return error;
static int of_platform_device_remove(struct device *dev)
{
- struct of_device *of_dev = to_of_device(dev);
+ struct platform_device *of_dev = to_platform_device(dev);
struct of_platform_driver *drv = to_of_platform_driver(dev->driver);
if (dev->driver && drv->remove)
static void of_platform_device_shutdown(struct device *dev)
{
- struct of_device *of_dev = to_of_device(dev);
+ struct platform_device *of_dev = to_platform_device(dev);
struct of_platform_driver *drv = to_of_platform_driver(dev->driver);
if (dev->driver && drv->shutdown)
static int of_platform_legacy_suspend(struct device *dev, pm_message_t mesg)
{
- struct of_device *of_dev = to_of_device(dev);
+ struct platform_device *of_dev = to_platform_device(dev);
struct of_platform_driver *drv = to_of_platform_driver(dev->driver);
int ret = 0;
static int of_platform_legacy_resume(struct device *dev)
{
- struct of_device *of_dev = to_of_device(dev);
+ struct platform_device *of_dev = to_platform_device(dev);
struct of_platform_driver *drv = to_of_platform_driver(dev->driver);
int ret = 0;
int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus)
{
- drv->driver.bus = bus;
+ /*
+ * Temporary: of_platform_bus used to be distinct from the platform
+ * bus. It isn't anymore, and so drivers on the platform bus need
+ * to be registered in a special way.
+ *
+ * After all of_platform_bus_type drivers are converted to
+ * platform_drivers, this exception can be removed.
+ */
+ if (bus == &platform_bus_type)
+ return of_register_platform_driver(drv);
/* register with core */
+ drv->driver.bus = bus;
return driver_register(&drv->driver);
}
EXPORT_SYMBOL(of_register_driver);
void of_unregister_driver(struct of_platform_driver *drv)
{
- driver_unregister(&drv->driver);
+ if (drv->driver.bus == &platform_bus_type)
+ of_unregister_platform_driver(drv);
+ else
+ driver_unregister(&drv->driver);
}
EXPORT_SYMBOL(of_unregister_driver);
+
+#if !defined(CONFIG_SPARC)
+/*
+ * The following routines scan a subtree and registers a device for
+ * each applicable node.
+ *
+ * Note: sparc doesn't use these routines because it has a different
+ * mechanism for creating devices from device tree nodes.
+ */
+
+/**
+ * of_device_make_bus_id - Use the device node data to assign a unique name
+ * @dev: pointer to device structure that is linked to a device tree node
+ *
+ * This routine will first try using either the dcr-reg or the reg property
+ * value to derive a unique name. As a last resort it will use the node
+ * name followed by a unique number.
+ */
+void of_device_make_bus_id(struct device *dev)
+{
+ static atomic_t bus_no_reg_magic;
+ struct device_node *node = dev->of_node;
+ const u32 *reg;
+ u64 addr;
+ int magic;
+
+#ifdef CONFIG_PPC_DCR
+ /*
+ * If it's a DCR based device, use 'd' for native DCRs
+ * and 'D' for MMIO DCRs.
+ */
+ reg = of_get_property(node, "dcr-reg", NULL);
+ if (reg) {
+#ifdef CONFIG_PPC_DCR_NATIVE
+ dev_set_name(dev, "d%x.%s", *reg, node->name);
+#else /* CONFIG_PPC_DCR_NATIVE */
+ u64 addr = of_translate_dcr_address(node, *reg, NULL);
+ if (addr != OF_BAD_ADDR) {
+ dev_set_name(dev, "D%llx.%s",
+ (unsigned long long)addr, node->name);
+ return;
+ }
+#endif /* !CONFIG_PPC_DCR_NATIVE */
+ }
+#endif /* CONFIG_PPC_DCR */
+
+ /*
+ * For MMIO, get the physical address
+ */
+ reg = of_get_property(node, "reg", NULL);
+ if (reg) {
+ addr = of_translate_address(node, reg);
+ if (addr != OF_BAD_ADDR) {
+ dev_set_name(dev, "%llx.%s",
+ (unsigned long long)addr, node->name);
+ return;
+ }
+ }
+
+ /*
+ * No BusID, use the node name and add a globally incremented
+ * counter (and pray...)
+ */
+ magic = atomic_add_return(1, &bus_no_reg_magic);
+ dev_set_name(dev, "%s.%d", node->name, magic - 1);
+}
+
+/**
+ * of_device_alloc - Allocate and initialize an of_device
+ * @np: device node to assign to device
+ * @bus_id: Name to assign to the device. May be null to use default name.
+ * @parent: Parent device.
+ */
+struct platform_device *of_device_alloc(struct device_node *np,
+ const char *bus_id,
+ struct device *parent)
+{
+ struct platform_device *dev;
+ int rc, i, num_reg = 0, num_irq = 0;
+ struct resource *res, temp_res;
+
+ /* First count how many resources are needed */
+ while (of_address_to_resource(np, num_reg, &temp_res) == 0)
+ num_reg++;
+ while (of_irq_to_resource(np, num_irq, &temp_res) != NO_IRQ)
+ num_irq++;
+
+ /* Allocate memory for both the struct device and the resource table */
+ dev = kzalloc(sizeof(*dev) + (sizeof(*res) * (num_reg + num_irq)),
+ GFP_KERNEL);
+ if (!dev)
+ return NULL;
+ res = (struct resource *) &dev[1];
+
+ /* Populate the resource table */
+ if (num_irq || num_reg) {
+ dev->num_resources = num_reg + num_irq;
+ dev->resource = res;
+ for (i = 0; i < num_reg; i++, res++) {
+ rc = of_address_to_resource(np, i, res);
+ WARN_ON(rc);
+ }
+ for (i = 0; i < num_irq; i++, res++) {
+ rc = of_irq_to_resource(np, i, res);
+ WARN_ON(rc == NO_IRQ);
+ }
+ }
+
+ dev->dev.of_node = of_node_get(np);
+#if defined(CONFIG_PPC) || defined(CONFIG_MICROBLAZE)
+ dev->dev.dma_mask = &dev->archdata.dma_mask;
+#endif
+ dev->dev.parent = parent;
+ dev->dev.release = of_release_dev;
+
+ if (bus_id)
+ dev_set_name(&dev->dev, "%s", bus_id);
+ else
+ of_device_make_bus_id(&dev->dev);
+
+ return dev;
+}
+EXPORT_SYMBOL(of_device_alloc);
+
+/**
+ * of_platform_device_create - Alloc, initialize and register an of_device
+ * @np: pointer to node to create device for
+ * @bus_id: name to assign device
+ * @parent: Linux device model parent device.
+ */
+struct platform_device *of_platform_device_create(struct device_node *np,
+ const char *bus_id,
+ struct device *parent)
+{
+ struct platform_device *dev;
+
+ dev = of_device_alloc(np, bus_id, parent);
+ if (!dev)
+ return NULL;
+
+#if defined(CONFIG_PPC) || defined(CONFIG_MICROBLAZE)
+ dev->archdata.dma_mask = 0xffffffffUL;
+#endif
+ dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+ dev->dev.bus = &platform_bus_type;
+
+ /* We do not fill the DMA ops for platform devices by default.
+ * This is currently the responsibility of the platform code
+ * to do such, possibly using a device notifier
+ */
+
+ if (of_device_register(dev) != 0) {
+ of_device_free(dev);
+ return NULL;
+ }
+
+ return dev;
+}
+EXPORT_SYMBOL(of_platform_device_create);
+
+/**
+ * of_platform_bus_create - Create an OF device for a bus node and all its
+ * children. Optionally recursively instantiate matching busses.
+ * @bus: device node of the bus to instantiate
+ * @matches: match table, NULL to use the default, OF_NO_DEEP_PROBE to
+ * disallow recursive creation of child busses
+ */
+static int of_platform_bus_create(const struct device_node *bus,
+ const struct of_device_id *matches,
+ struct device *parent)
+{
+ struct device_node *child;
+ struct platform_device *dev;
+ int rc = 0;
+
+ for_each_child_of_node(bus, child) {
+ pr_debug(" create child: %s\n", child->full_name);
+ dev = of_platform_device_create(child, NULL, parent);
+ if (dev == NULL)
+ rc = -ENOMEM;
+ else if (!of_match_node(matches, child))
+ continue;
+ if (rc == 0) {
+ pr_debug(" and sub busses\n");
+ rc = of_platform_bus_create(child, matches, &dev->dev);
+ }
+ if (rc) {
+ of_node_put(child);
+ break;
+ }
+ }
+ return rc;
+}
+
+/**
+ * of_platform_bus_probe - Probe the device-tree for platform busses
+ * @root: parent of the first level to probe or NULL for the root of the tree
+ * @matches: match table, NULL to use the default
+ * @parent: parent to hook devices from, NULL for toplevel
+ *
+ * Note that children of the provided root are not instantiated as devices
+ * unless the specified root itself matches the bus list and is not NULL.
+ */
+int of_platform_bus_probe(struct device_node *root,
+ const struct of_device_id *matches,
+ struct device *parent)
+{
+ struct device_node *child;
+ struct platform_device *dev;
+ int rc = 0;
+
+ if (WARN_ON(!matches || matches == OF_NO_DEEP_PROBE))
+ return -EINVAL;
+ if (root == NULL)
+ root = of_find_node_by_path("/");
+ else
+ of_node_get(root);
+ if (root == NULL)
+ return -EINVAL;
+
+ pr_debug("of_platform_bus_probe()\n");
+ pr_debug(" starting at: %s\n", root->full_name);
+
+ /* Do a self check of bus type, if there's a match, create
+ * children
+ */
+ if (of_match_node(matches, root)) {
+ pr_debug(" root match, create all sub devices\n");
+ dev = of_platform_device_create(root, NULL, parent);
+ if (dev == NULL) {
+ rc = -ENOMEM;
+ goto bail;
+ }
+ pr_debug(" create all sub busses\n");
+ rc = of_platform_bus_create(root, matches, &dev->dev);
+ goto bail;
+ }
+ for_each_child_of_node(root, child) {
+ if (!of_match_node(matches, child))
+ continue;
+
+ pr_debug(" match: %s\n", child->full_name);
+ dev = of_platform_device_create(child, NULL, parent);
+ if (dev == NULL)
+ rc = -ENOMEM;
+ else
+ rc = of_platform_bus_create(child, matches, &dev->dev);
+ if (rc) {
+ of_node_put(child);
+ break;
+ }
+ }
+ bail:
+ of_node_put(root);
+ return rc;
+}
+EXPORT_SYMBOL(of_platform_bus_probe);
+#endif /* !CONFIG_SPARC */
void __iomem *base;
struct parport *p;
- irq = op->irqs[0];
+ irq = op->archdata.irqs[0];
base = of_ioremap(&op->resource[0], 0,
resource_size(&op->resource[0]),
"sunbpp");
static int __init parport_sunbpp_init(void)
{
- return of_register_driver(&bpp_sbus_driver, &of_bus_type);
+ return of_register_platform_driver(&bpp_sbus_driver);
}
static void __exit parport_sunbpp_exit(void)
{
- of_unregister_driver(&bpp_sbus_driver);
+ of_unregister_platform_driver(&bpp_sbus_driver);
}
MODULE_AUTHOR("Derrick J Brashear");
bp->waiting = 0;
init_waitqueue_head(&bp->wq);
- if (request_irq(op->irqs[0], bbc_i2c_interrupt,
+ if (request_irq(op->archdata.irqs[0], bbc_i2c_interrupt,
IRQF_SHARED, "bbc_i2c", bp))
goto fail;
err = bbc_envctrl_init(bp);
if (err) {
- free_irq(op->irqs[0], bp);
+ free_irq(op->archdata.irqs[0], bp);
if (bp->i2c_bussel_reg)
of_iounmap(&op->resource[0], bp->i2c_bussel_reg, 1);
if (bp->i2c_control_regs)
bbc_envctrl_cleanup(bp);
- free_irq(op->irqs[0], bp);
+ free_irq(op->archdata.irqs[0], bp);
if (bp->i2c_bussel_reg)
of_iounmap(&op->resource[0], bp->i2c_bussel_reg, 1);
static int __init bbc_i2c_init(void)
{
- return of_register_driver(&bbc_i2c_driver, &of_bus_type);
+ return of_register_platform_driver(&bbc_i2c_driver);
}
static void __exit bbc_i2c_exit(void)
{
- of_unregister_driver(&bbc_i2c_driver);
+ of_unregister_platform_driver(&bbc_i2c_driver);
}
module_init(bbc_i2c_init);
static int __init d7s_init(void)
{
- return of_register_driver(&d7s_driver, &of_bus_type);
+ return of_register_platform_driver(&d7s_driver);
}
static void __exit d7s_exit(void)
{
- of_unregister_driver(&d7s_driver);
+ of_unregister_platform_driver(&d7s_driver);
}
module_init(d7s_init);
static int __init envctrl_init(void)
{
- return of_register_driver(&envctrl_driver, &of_bus_type);
+ return of_register_platform_driver(&envctrl_driver);
}
static void __exit envctrl_exit(void)
{
- of_unregister_driver(&envctrl_driver);
+ of_unregister_platform_driver(&envctrl_driver);
}
module_init(envctrl_init);
static int __init flash_init(void)
{
- return of_register_driver(&flash_driver, &of_bus_type);
+ return of_register_platform_driver(&flash_driver);
}
static void __exit flash_cleanup(void)
{
- of_unregister_driver(&flash_driver);
+ of_unregister_platform_driver(&flash_driver);
}
module_init(flash_init);
goto out_free;
}
- p->irq = op->irqs[0];
+ p->irq = op->archdata.irqs[0];
err = request_irq(p->irq, uctrl_interrupt, 0, "uctrl", p);
if (err) {
printk(KERN_ERR "uctrl: Unable to register irq.\n");
static int __init uctrl_init(void)
{
- return of_register_driver(&uctrl_driver, &of_bus_type);
+ return of_register_platform_driver(&uctrl_driver);
}
static void __exit uctrl_exit(void)
{
- of_unregister_driver(&uctrl_driver);
+ of_unregister_platform_driver(&uctrl_driver);
}
module_init(uctrl_init);
{
struct of_device *op = qpti->op;
- qpti->qhost->irq = qpti->irq = op->irqs[0];
+ qpti->qhost->irq = qpti->irq = op->archdata.irqs[0];
/* We used to try various overly-clever things to
* reduce the interrupt processing overhead on
/* Sometimes Antares cards come up not completely
* setup, and we get a report of a zero IRQ.
*/
- if (op->irqs[0] == 0)
+ if (op->archdata.irqs[0] == 0)
return -ENODEV;
host = scsi_host_alloc(tpnt, sizeof(struct qlogicpti));
static int __init qpti_init(void)
{
- return of_register_driver(&qpti_sbus_driver, &of_bus_type);
+ return of_register_platform_driver(&qpti_sbus_driver);
}
static void __exit qpti_exit(void)
{
- of_unregister_driver(&qpti_sbus_driver);
+ of_unregister_platform_driver(&qpti_sbus_driver);
}
MODULE_DESCRIPTION("QlogicISP SBUS driver");
struct Scsi_Host *host = esp->host;
struct of_device *op = esp->dev;
- host->irq = op->irqs[0];
+ host->irq = op->archdata.irqs[0];
return request_irq(host->irq, scsi_esp_intr, IRQF_SHARED, "ESP", esp);
}
static int __init sunesp_init(void)
{
- return of_register_driver(&esp_sbus_driver, &of_bus_type);
+ return of_register_platform_driver(&esp_sbus_driver);
}
static void __exit sunesp_exit(void)
{
- of_unregister_driver(&esp_sbus_driver);
+ of_unregister_platform_driver(&esp_sbus_driver);
}
MODULE_DESCRIPTION("Sun ESP SCSI driver");
unsigned long minor;
int err;
- if (op->irqs[0] == 0xffffffff)
+ if (op->archdata.irqs[0] == 0xffffffff)
return -ENODEV;
port = kzalloc(sizeof(struct uart_port), GFP_KERNEL);
port->membase = (unsigned char __iomem *) __pa(port);
- port->irq = op->irqs[0];
+ port->irq = op->archdata.irqs[0];
port->dev = &op->dev;
if (tlb_type != hypervisor)
return -ENODEV;
- return of_register_driver(&hv_driver, &of_bus_type);
+ return of_register_platform_driver(&hv_driver);
}
static void __exit sunhv_exit(void)
{
- of_unregister_driver(&hv_driver);
+ of_unregister_platform_driver(&hv_driver);
}
module_init(sunhv_init);
return -ENOMEM;
up->regs = (union sab82532_async_regs __iomem *) up->port.membase;
- up->port.irq = op->irqs[0];
+ up->port.irq = op->archdata.irqs[0];
up->port.fifosize = SAB82532_XMIT_FIFO_SIZE;
up->port.iotype = UPIO_MEM;
}
}
- return of_register_driver(&sab_driver, &of_bus_type);
+ return of_register_platform_driver(&sab_driver);
}
static void __exit sunsab_exit(void)
{
- of_unregister_driver(&sab_driver);
+ of_unregister_platform_driver(&sab_driver);
if (sunsab_reg.nr) {
sunserial_unregister_minors(&sunsab_reg, sunsab_reg.nr);
}
return -ENOMEM;
}
- up->port.irq = op->irqs[0];
+ up->port.irq = op->archdata.irqs[0];
up->port.dev = &op->dev;
return err;
}
- err = of_register_driver(&su_driver, &of_bus_type);
+ err = of_register_platform_driver(&su_driver);
if (err && num_uart)
sunserial_unregister_minors(&sunsu_reg, num_uart);
rp = sunzilog_chip_regs[inst];
if (zilog_irq == -1)
- zilog_irq = op->irqs[0];
+ zilog_irq = op->archdata.irqs[0];
up = &sunzilog_port_table[inst * 2];
up[0].port.mapbase = op->resource[0].start + 0x00;
up[0].port.membase = (void __iomem *) &rp->channelA;
up[0].port.iotype = UPIO_MEM;
- up[0].port.irq = op->irqs[0];
+ up[0].port.irq = op->archdata.irqs[0];
up[0].port.uartclk = ZS_CLOCK;
up[0].port.fifosize = 1;
up[0].port.ops = &sunzilog_pops;
up[1].port.mapbase = op->resource[0].start + 0x04;
up[1].port.membase = (void __iomem *) &rp->channelB;
up[1].port.iotype = UPIO_MEM;
- up[1].port.irq = op->irqs[0];
+ up[1].port.irq = op->archdata.irqs[0];
up[1].port.uartclk = ZS_CLOCK;
up[1].port.fifosize = 1;
up[1].port.ops = &sunzilog_pops;
"is a %s\n",
dev_name(&op->dev),
(unsigned long long) up[0].port.mapbase,
- op->irqs[0], sunzilog_type(&up[0].port));
+ op->archdata.irqs[0], sunzilog_type(&up[0].port));
printk(KERN_INFO "%s: Mouse at MMIO 0x%llx (irq = %d) "
"is a %s\n",
dev_name(&op->dev),
(unsigned long long) up[1].port.mapbase,
- op->irqs[0], sunzilog_type(&up[1].port));
+ op->archdata.irqs[0], sunzilog_type(&up[1].port));
kbm_inst++;
}
goto out_free_tables;
}
- err = of_register_driver(&zs_driver, &of_bus_type);
+ err = of_register_platform_driver(&zs_driver);
if (err)
goto out_unregister_uart;
return err;
out_unregister_driver:
- of_unregister_driver(&zs_driver);
+ of_unregister_platform_driver(&zs_driver);
out_unregister_uart:
if (num_sunzilog) {
static void __exit sunzilog_exit(void)
{
- of_unregister_driver(&zs_driver);
+ of_unregister_platform_driver(&zs_driver);
if (zilog_irq != -1) {
struct uart_sunzilog_port *up = sunzilog_irq_chain;
#include <asm/io.h>
#if defined(CONFIG_OF) && (defined(CONFIG_PPC32) || defined(CONFIG_MICROBLAZE))
#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
+#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/workqueue.h>
#include <linux/completion.h>
master->setup = mpc512x_psc_spi_setup;
master->transfer = mpc512x_psc_spi_transfer;
master->cleanup = mpc512x_psc_spi_cleanup;
+ master->dev.of_node = dev->of_node;
tempp = ioremap(regaddr, size);
if (!tempp) {
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
+#include <linux/of_address.h>
#include <linux/of_platform.h>
-#include <linux/of_spi.h>
#include <linux/workqueue.h>
#include <linux/completion.h>
#include <linux/io.h>
master->setup = mpc52xx_psc_spi_setup;
master->transfer = mpc52xx_psc_spi_transfer;
master->cleanup = mpc52xx_psc_spi_cleanup;
+ master->dev.of_node = dev->of_node;
mps->psc = ioremap(regaddr, size);
if (!mps->psc) {
const u32 *regaddr_p;
u64 regaddr64, size64;
s16 id = -1;
- int rc;
regaddr_p = of_get_address(op->dev.of_node, 0, &size64, NULL);
if (!regaddr_p) {
id = *psc_nump + 1;
}
- rc = mpc52xx_psc_spi_do_probe(&op->dev, (u32)regaddr64, (u32)size64,
+ return mpc52xx_psc_spi_do_probe(&op->dev, (u32)regaddr64, (u32)size64,
irq_of_parse_and_map(op->dev.of_node, 0), id);
- if (rc == 0)
- of_register_spi_devices(dev_get_drvdata(&op->dev),
- op->dev.of_node);
-
- return rc;
}
static int __exit mpc52xx_psc_spi_of_remove(struct of_device *op)
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/spi/spi.h>
-#include <linux/of_spi.h>
#include <linux/io.h>
#include <linux/of_gpio.h>
#include <linux/slab.h>
master->setup = mpc52xx_spi_setup;
master->transfer = mpc52xx_spi_transfer;
master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
+ master->dev.of_node = op->dev.of_node;
dev_set_drvdata(&op->dev, master);
if (rc)
goto err_register;
- of_register_spi_devices(master, op->dev.of_node);
dev_info(&ms->master->dev, "registered MPC5200 SPI bus\n");
return rc;
#include <linux/slab.h>
#include <linux/mod_devicetable.h>
#include <linux/spi/spi.h>
+#include <linux/of_spi.h>
/* SPI bustype and spi_master class are registered after board init code
/* populate children from any spi device tables */
scan_boardinfo(master);
status = 0;
+
+ /* Register devices from the device tree */
+ of_register_spi_devices(master);
done:
return status;
}
#include <linux/of_platform.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
-#include <linux/of_spi.h>
#include <linux/slab.h>
#include <sysdev/fsl_soc.h>
master->setup = mpc8xxx_spi_setup;
master->transfer = mpc8xxx_spi_transfer;
master->cleanup = mpc8xxx_spi_cleanup;
+ master->dev.of_node = dev->of_node;
mpc8xxx_spi = spi_master_get_devdata(master);
mpc8xxx_spi->dev = dev;
goto err;
}
- of_register_spi_devices(master, np);
-
return 0;
err:
master = spi_alloc_master(dev, sizeof *hw);
if (master == NULL)
return -ENOMEM;
+ master->dev.of_node = np;
dev_set_drvdata(dev, master);
hw = spi_master_get_devdata(master);
hw->master = spi_master_get(master);
}
dev_info(dev, "driver initialized\n");
- of_register_spi_devices(master, np);
return 0;
master->bus_num = bus_num;
master->num_chipselect = pdata->num_chipselect;
+#ifdef CONFIG_OF
+ master->dev.of_node = dev->of_node;
+#endif
xspi->mem = *mem;
xspi->irq = irq;
#include <linux/io.h>
#include <linux/slab.h>
+#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/of_device.h>
#include <linux/of_spi.h>
dev_set_drvdata(&ofdev->dev, master);
- /* Add any subnodes on the SPI bus */
- of_register_spi_devices(master, ofdev->dev.of_node);
-
return 0;
}
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/moduleparam.h>
+#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/dma-mapping.h>
#include <linux/usb/ch9.h>
if (fb_get_options("bw2fb", NULL))
return -ENODEV;
- return of_register_driver(&bw2_driver, &of_bus_type);
+ return of_register_platform_driver(&bw2_driver);
}
static void __exit bw2_exit(void)
{
- of_unregister_driver(&bw2_driver);
+ of_unregister_platform_driver(&bw2_driver);
}
module_init(bw2_init);
if (fb_get_options("cg14fb", NULL))
return -ENODEV;
- return of_register_driver(&cg14_driver, &of_bus_type);
+ return of_register_platform_driver(&cg14_driver);
}
static void __exit cg14_exit(void)
{
- of_unregister_driver(&cg14_driver);
+ of_unregister_platform_driver(&cg14_driver);
}
module_init(cg14_init);
if (fb_get_options("cg3fb", NULL))
return -ENODEV;
- return of_register_driver(&cg3_driver, &of_bus_type);
+ return of_register_platform_driver(&cg3_driver);
}
static void __exit cg3_exit(void)
{
- of_unregister_driver(&cg3_driver);
+ of_unregister_platform_driver(&cg3_driver);
}
module_init(cg3_init);
if (fb_get_options("cg6fb", NULL))
return -ENODEV;
- return of_register_driver(&cg6_driver, &of_bus_type);
+ return of_register_platform_driver(&cg6_driver);
}
static void __exit cg6_exit(void)
{
- of_unregister_driver(&cg6_driver);
+ of_unregister_platform_driver(&cg6_driver);
}
module_init(cg6_init);
#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/pci.h>
if (fb_get_options("ffb", NULL))
return -ENODEV;
- return of_register_driver(&ffb_driver, &of_bus_type);
+ return of_register_platform_driver(&ffb_driver);
}
static void __exit ffb_exit(void)
{
- of_unregister_driver(&ffb_driver);
+ of_unregister_platform_driver(&ffb_driver);
}
module_init(ffb_init);
if (fb_get_options("leofb", NULL))
return -ENODEV;
- return of_register_driver(&leo_driver, &of_bus_type);
+ return of_register_platform_driver(&leo_driver);
}
static void __exit leo_exit(void)
{
- of_unregister_driver(&leo_driver);
+ of_unregister_platform_driver(&leo_driver);
}
module_init(leo_init);
#include <linux/mm.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/interrupt.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <asm/io.h>
-#include <asm/prom.h>
#ifdef CONFIG_PPC64
#include <asm/pci-bridge.h>
if (fb_get_options("p9100fb", NULL))
return -ENODEV;
- return of_register_driver(&p9100_driver, &of_bus_type);
+ return of_register_platform_driver(&p9100_driver);
}
static void __exit p9100_exit(void)
{
- of_unregister_driver(&p9100_driver);
+ of_unregister_platform_driver(&p9100_driver);
}
module_init(p9100_init);
if (fb_get_options("gfb", NULL))
return -ENODEV;
- return of_register_driver(&gfb_driver, &of_bus_type);
+ return of_register_platform_driver(&gfb_driver);
}
static void __exit gfb_exit(void)
{
- of_unregister_driver(&gfb_driver);
+ of_unregister_platform_driver(&gfb_driver);
}
module_init(gfb_init);
if (fb_get_options("tcxfb", NULL))
return -ENODEV;
- return of_register_driver(&tcx_driver, &of_bus_type);
+ return of_register_platform_driver(&tcx_driver);
}
static void __exit tcx_exit(void)
{
- of_unregister_driver(&tcx_driver);
+ of_unregister_platform_driver(&tcx_driver);
}
module_init(tcx_init);
goto out;
}
- p->irq = op->irqs[0];
+ p->irq = op->archdata.irqs[0];
spin_lock_init(&p->lock);
static int __init cpwd_init(void)
{
- return of_register_driver(&cpwd_driver, &of_bus_type);
+ return of_register_platform_driver(&cpwd_driver);
}
static void __exit cpwd_exit(void)
{
- of_unregister_driver(&cpwd_driver);
+ of_unregister_platform_driver(&cpwd_driver);
}
module_init(cpwd_init);
static int __init riowd_init(void)
{
- return of_register_driver(&riowd_driver, &of_bus_type);
+ return of_register_platform_driver(&riowd_driver);
}
static void __exit riowd_exit(void)
{
- of_unregister_driver(&riowd_driver);
+ of_unregister_platform_driver(&riowd_driver);
}
module_init(riowd_init);
struct device;
struct seq_file;
struct module;
+struct device_node;
/**
* struct gpio_chip - abstract a GPIO controller
const char *const *names;
unsigned can_sleep:1;
unsigned exported:1;
+
+#if defined(CONFIG_OF_GPIO)
+ /*
+ * If CONFIG_OF is enabled, then all GPIO controllers described in the
+ * device tree automatically may have an OF translation
+ */
+ struct device_node *of_node;
+ int of_gpio_n_cells;
+ int (*of_xlate)(struct gpio_chip *gc, struct device_node *np,
+ const void *gpio_spec, u32 *flags);
+#endif
};
extern const char *gpiochip_is_requested(struct gpio_chip *chip,
/* add/remove chips */
extern int gpiochip_add(struct gpio_chip *chip);
extern int __must_check gpiochip_remove(struct gpio_chip *chip);
+extern struct gpio_chip *gpiochip_find(void *data,
+ int (*match)(struct gpio_chip *chip,
+ void *data));
/* Always use the library code for GPIO management calls,
extern struct device_node *of_chosen;
extern rwlock_t devtree_lock;
+static inline bool of_node_is_root(const struct device_node *node)
+{
+ return node && (node->parent == NULL);
+}
+
static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
{
return test_bit(flag, &n->_flags);
#define OF_BAD_ADDR ((u64)-1)
+#ifndef of_node_to_nid
+static inline int of_node_to_nid(struct device_node *np) { return -1; }
+#define of_node_to_nid of_node_to_nid
+#endif
+
extern struct device_node *of_find_node_by_name(struct device_node *from,
const char *name);
#define for_each_node_by_name(dn, name) \
--- /dev/null
+#ifndef __OF_ADDRESS_H
+#define __OF_ADDRESS_H
+#include <linux/ioport.h>
+#include <linux/of.h>
+
+extern u64 of_translate_address(struct device_node *np, const u32 *addr);
+extern int of_address_to_resource(struct device_node *dev, int index,
+ struct resource *r);
+extern void __iomem *of_iomap(struct device_node *device, int index);
+
+/* Extract an address from a device, returns the region size and
+ * the address space flags too. The PCI version uses a BAR number
+ * instead of an absolute index
+ */
+extern const u32 *of_get_address(struct device_node *dev, int index,
+ u64 *size, unsigned int *flags);
+
+#ifndef pci_address_to_pio
+static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
+#define pci_address_to_pio pci_address_to_pio
+#endif
+
+#ifdef CONFIG_PCI
+extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no,
+ u64 *size, unsigned int *flags);
+extern int of_pci_address_to_resource(struct device_node *dev, int bar,
+ struct resource *r);
+#else /* CONFIG_PCI */
+static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
+ struct resource *r)
+{
+ return -ENOSYS;
+}
+
+static inline const u32 *of_get_pci_address(struct device_node *dev,
+ int bar_no, u64 *size, unsigned int *flags)
+{
+ return NULL;
+}
+#endif /* CONFIG_PCI */
+
+
+#endif /* __OF_ADDRESS_H */
+
#ifndef _LINUX_OF_DEVICE_H
#define _LINUX_OF_DEVICE_H
+/*
+ * The of_device *was* a kind of "base class" that was a superset of
+ * struct device for use by devices attached to an OF node and probed
+ * using OF properties. However, the important bit of OF-style
+ * probing, namely the device node pointer, has been moved into the
+ * common struct device when CONFIG_OF is set to make OF-style probing
+ * available to all bus types. So now, just make of_device and
+ * platform_device equivalent so that current of_platform bus users
+ * can be transparently migrated over to using the platform bus.
+ *
+ * This line will go away once all references to of_device are removed
+ * from the kernel.
+ */
+#define of_device platform_device
+#include <linux/platform_device.h>
+#include <linux/of_platform.h> /* temporary until merge */
+
#ifdef CONFIG_OF_DEVICE
#include <linux/device.h>
#include <linux/of.h>
#include <linux/mod_devicetable.h>
-#include <asm/of_device.h>
-
#define to_of_device(d) container_of(d, struct of_device, dev)
extern const struct of_device_id *of_match_device(
const struct of_device_id *matches, const struct device *dev);
+extern void of_device_make_bus_id(struct device *dev);
+
+/**
+ * of_driver_match_device - Tell if a driver's of_match_table matches a device.
+ * @drv: the device_driver structure to test
+ * @dev: the device structure to match against
+ */
+static inline int of_driver_match_device(const struct device *dev,
+ const struct device_driver *drv)
+{
+ return of_match_device(drv->of_match_table, dev) != NULL;
+}
-extern struct of_device *of_dev_get(struct of_device *dev);
-extern void of_dev_put(struct of_device *dev);
+extern struct platform_device *of_dev_get(struct platform_device *dev);
+extern void of_dev_put(struct platform_device *dev);
-extern int of_device_register(struct of_device *ofdev);
-extern void of_device_unregister(struct of_device *ofdev);
+extern int of_device_register(struct platform_device *ofdev);
+extern void of_device_unregister(struct platform_device *ofdev);
extern void of_release_dev(struct device *dev);
-static inline void of_device_free(struct of_device *dev)
+static inline void of_device_free(struct platform_device *dev)
{
of_release_dev(&dev->dev);
}
-extern ssize_t of_device_get_modalias(struct of_device *ofdev,
+extern ssize_t of_device_get_modalias(struct device *dev,
char *str, ssize_t len);
+
+extern int of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
+
+
+#else /* CONFIG_OF_DEVICE */
+
+static inline int of_driver_match_device(struct device *dev,
+ struct device_driver *drv)
+{
+ return 0;
+}
+
+static inline int of_device_uevent(struct device *dev,
+ struct kobj_uevent_env *env)
+{
+ return -ENODEV;
+}
+
#endif /* CONFIG_OF_DEVICE */
#endif /* _LINUX_OF_DEVICE_H */
#ifdef CONFIG_OF_GPIO
-/*
- * Generic OF GPIO chip
- */
-struct of_gpio_chip {
- struct gpio_chip gc;
- int gpio_cells;
- int (*xlate)(struct of_gpio_chip *of_gc, struct device_node *np,
- const void *gpio_spec, enum of_gpio_flags *flags);
-};
-
-static inline struct of_gpio_chip *to_of_gpio_chip(struct gpio_chip *gc)
-{
- return container_of(gc, struct of_gpio_chip, gc);
-}
-
/*
* OF GPIO chip for memory mapped banks
*/
struct of_mm_gpio_chip {
- struct of_gpio_chip of_gc;
+ struct gpio_chip gc;
void (*save_regs)(struct of_mm_gpio_chip *mm_gc);
void __iomem *regs;
};
static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc)
{
- struct of_gpio_chip *of_gc = to_of_gpio_chip(gc);
-
- return container_of(of_gc, struct of_mm_gpio_chip, of_gc);
+ return container_of(gc, struct of_mm_gpio_chip, gc);
}
extern int of_get_gpio_flags(struct device_node *np, int index,
extern int of_mm_gpiochip_add(struct device_node *np,
struct of_mm_gpio_chip *mm_gc);
-extern int of_gpio_simple_xlate(struct of_gpio_chip *of_gc,
- struct device_node *np,
- const void *gpio_spec,
- enum of_gpio_flags *flags);
-#else
+
+extern void of_gpiochip_add(struct gpio_chip *gc);
+extern void of_gpiochip_remove(struct gpio_chip *gc);
+extern struct gpio_chip *of_node_to_gpiochip(struct device_node *np);
+
+#else /* CONFIG_OF_GPIO */
/* Drivers may not strictly depend on the GPIO support, so let them link. */
static inline int of_get_gpio_flags(struct device_node *np, int index,
return 0;
}
+static inline void of_gpiochip_add(struct gpio_chip *gc) { }
+static inline void of_gpiochip_remove(struct gpio_chip *gc) { }
+
#endif /* CONFIG_OF_GPIO */
/**
#ifndef __LINUX_OF_I2C_H
#define __LINUX_OF_I2C_H
+#if defined(CONFIG_OF_I2C) || defined(CONFIG_OF_I2C_MODULE)
#include <linux/i2c.h>
-void of_register_i2c_devices(struct i2c_adapter *adap,
- struct device_node *adap_node);
+extern void of_i2c_register_devices(struct i2c_adapter *adap);
/* must call put_device() when done with returned i2c_client device */
-struct i2c_client *of_find_i2c_device_by_node(struct device_node *node);
+extern struct i2c_client *of_find_i2c_device_by_node(struct device_node *node);
+
+#else
+static inline void of_i2c_register_devices(struct i2c_adapter *adap)
+{
+ return;
+}
+#endif /* CONFIG_OF_I2C */
#endif /* __LINUX_OF_I2C_H */
--- /dev/null
+#ifndef __OF_IRQ_H
+#define __OF_IRQ_H
+
+#if defined(CONFIG_OF)
+struct of_irq;
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/of.h>
+
+/*
+ * irq_of_parse_and_map() is used ba all OF enabled platforms; but SPARC
+ * implements it differently. However, the prototype is the same for all,
+ * so declare it here regardless of the CONFIG_OF_IRQ setting.
+ */
+extern unsigned int irq_of_parse_and_map(struct device_node *node, int index);
+
+#if defined(CONFIG_OF_IRQ)
+/**
+ * of_irq - container for device_node/irq_specifier pair for an irq controller
+ * @controller: pointer to interrupt controller device tree node
+ * @size: size of interrupt specifier
+ * @specifier: array of cells @size long specifing the specific interrupt
+ *
+ * This structure is returned when an interrupt is mapped. The controller
+ * field needs to be put() after use
+ */
+#define OF_MAX_IRQ_SPEC 4 /* We handle specifiers of at most 4 cells */
+struct of_irq {
+ struct device_node *controller; /* Interrupt controller node */
+ u32 size; /* Specifier size */
+ u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */
+};
+
+/*
+ * Workarounds only applied to 32bit powermac machines
+ */
+#define OF_IMAP_OLDWORLD_MAC 0x00000001
+#define OF_IMAP_NO_PHANDLE 0x00000002
+
+#if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC)
+extern unsigned int of_irq_workarounds;
+extern struct device_node *of_irq_dflt_pic;
+extern int of_irq_map_oldworld(struct device_node *device, int index,
+ struct of_irq *out_irq);
+#else /* CONFIG_PPC32 && CONFIG_PPC_PMAC */
+#define of_irq_workarounds (0)
+#define of_irq_dflt_pic (NULL)
+static inline int of_irq_map_oldworld(struct device_node *device, int index,
+ struct of_irq *out_irq)
+{
+ return -EINVAL;
+}
+#endif /* CONFIG_PPC32 && CONFIG_PPC_PMAC */
+
+
+extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec,
+ u32 ointsize, const u32 *addr,
+ struct of_irq *out_irq);
+extern int of_irq_map_one(struct device_node *device, int index,
+ struct of_irq *out_irq);
+extern unsigned int irq_create_of_mapping(struct device_node *controller,
+ const u32 *intspec,
+ unsigned int intsize);
+extern int of_irq_to_resource(struct device_node *dev, int index,
+ struct resource *r);
+
+#endif /* CONFIG_OF_IRQ */
+#endif /* CONFIG_OF */
+#endif /* __OF_IRQ_H */
#include <linux/mod_devicetable.h>
#include <linux/pm.h>
#include <linux/of_device.h>
-
-/*
- * The of_platform_bus_type is a bus type used by drivers that do not
- * attach to a macio or similar bus but still use OF probing
- * mechanism
- */
-extern struct bus_type of_platform_bus_type;
+#include <linux/platform_device.h>
/*
* An of_platform_driver driver is attached to a basic of_device on
- * the "platform bus" (of_platform_bus_type).
+ * the "platform bus" (platform_bus_type).
*/
struct of_platform_driver
{
- int (*probe)(struct of_device* dev,
+ int (*probe)(struct platform_device* dev,
const struct of_device_id *match);
- int (*remove)(struct of_device* dev);
+ int (*remove)(struct platform_device* dev);
- int (*suspend)(struct of_device* dev, pm_message_t state);
- int (*resume)(struct of_device* dev);
- int (*shutdown)(struct of_device* dev);
+ int (*suspend)(struct platform_device* dev, pm_message_t state);
+ int (*resume)(struct platform_device* dev);
+ int (*shutdown)(struct platform_device* dev);
struct device_driver driver;
+ struct platform_driver platform_driver;
};
#define to_of_platform_driver(drv) \
container_of(drv,struct of_platform_driver, driver)
extern void of_unregister_driver(struct of_platform_driver *drv);
/* Platform drivers register/unregister */
-static inline int of_register_platform_driver(struct of_platform_driver *drv)
-{
- return of_register_driver(drv, &of_platform_bus_type);
-}
-static inline void of_unregister_platform_driver(struct of_platform_driver *drv)
-{
- of_unregister_driver(drv);
-}
+extern int of_register_platform_driver(struct of_platform_driver *drv);
+extern void of_unregister_platform_driver(struct of_platform_driver *drv);
-#include <asm/of_platform.h>
-
-extern struct of_device *of_find_device_by_node(struct device_node *np);
+extern struct platform_device *of_device_alloc(struct device_node *np,
+ const char *bus_id,
+ struct device *parent);
+extern struct platform_device *of_find_device_by_node(struct device_node *np);
extern int of_bus_type_init(struct bus_type *bus, const char *name);
+
+#if !defined(CONFIG_SPARC) /* SPARC has its own device registration method */
+/* Platform devices and busses creation */
+extern struct platform_device *of_platform_device_create(struct device_node *np,
+ const char *bus_id,
+ struct device *parent);
+
+/* pseudo "matches" value to not do deep probe */
+#define OF_NO_DEEP_PROBE ((struct of_device_id *)-1)
+
+extern int of_platform_bus_probe(struct device_node *root,
+ const struct of_device_id *matches,
+ struct device *parent);
+#endif /* !CONFIG_SPARC */
+
#endif /* CONFIG_OF_DEVICE */
#endif /* _LINUX_OF_PLATFORM_H */
#ifndef __LINUX_OF_SPI_H
#define __LINUX_OF_SPI_H
-#include <linux/of.h>
#include <linux/spi/spi.h>
-extern void of_register_spi_devices(struct spi_master *master,
- struct device_node *np);
+#if defined(CONFIG_OF_SPI) || defined(CONFIG_OF_SPI_MODULE)
+extern void of_register_spi_devices(struct spi_master *master);
+#else
+static inline void of_register_spi_devices(struct spi_master *master)
+{
+ return;
+}
+#endif /* CONFIG_OF_SPI */
#endif /* __LINUX_OF_SPI */
struct snd_amd7930 *amd;
int err, irq;
- irq = op->irqs[0];
+ irq = op->archdata.irqs[0];
if (dev_num >= SNDRV_CARDS)
return -ENODEV;
static int __init amd7930_init(void)
{
- return of_register_driver(&amd7930_sbus_driver, &of_bus_type);
+ return of_register_platform_driver(&amd7930_sbus_driver);
}
static void __exit amd7930_exit(void)
amd7930_list = NULL;
- of_unregister_driver(&amd7930_sbus_driver);
+ of_unregister_platform_driver(&amd7930_sbus_driver);
}
module_init(amd7930_init);
chip->c_dma.request = sbus_dma_request;
chip->c_dma.address = sbus_dma_addr;
- if (request_irq(op->irqs[0], snd_cs4231_sbus_interrupt,
+ if (request_irq(op->archdata.irqs[0], snd_cs4231_sbus_interrupt,
IRQF_SHARED, "cs4231", chip)) {
snd_printdd("cs4231-%d: Unable to grab SBUS IRQ %d\n",
- dev, op->irqs[0]);
+ dev, op->archdata.irqs[0]);
snd_cs4231_sbus_free(chip);
return -EBUSY;
}
- chip->irq[0] = op->irqs[0];
+ chip->irq[0] = op->archdata.irqs[0];
if (snd_cs4231_probe(chip) < 0) {
snd_cs4231_sbus_free(chip);
card->shortname,
rp->flags & 0xffL,
(unsigned long long)rp->start,
- op->irqs[0]);
+ op->archdata.irqs[0]);
err = snd_cs4231_sbus_create(card, op, dev);
if (err < 0) {
chip->c_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
chip->c_dma.ebus_info.callback = snd_cs4231_ebus_capture_callback;
chip->c_dma.ebus_info.client_cookie = chip;
- chip->c_dma.ebus_info.irq = op->irqs[0];
+ chip->c_dma.ebus_info.irq = op->archdata.irqs[0];
strcpy(chip->p_dma.ebus_info.name, "cs4231(play)");
chip->p_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
chip->p_dma.ebus_info.callback = snd_cs4231_ebus_play_callback;
chip->p_dma.ebus_info.client_cookie = chip;
- chip->p_dma.ebus_info.irq = op->irqs[1];
+ chip->p_dma.ebus_info.irq = op->archdata.irqs[1];
chip->p_dma.prepare = _ebus_dma_prepare;
chip->p_dma.enable = _ebus_dma_enable;
sprintf(card->longname, "%s at 0x%llx, irq %d",
card->shortname,
op->resource[0].start,
- op->irqs[0]);
+ op->archdata.irqs[0]);
err = snd_cs4231_ebus_create(card, op, dev);
if (err < 0) {
static int __init cs4231_init(void)
{
- return of_register_driver(&cs4231_driver, &of_bus_type);
+ return of_register_platform_driver(&cs4231_driver);
}
static void __exit cs4231_exit(void)
{
- of_unregister_driver(&cs4231_driver);
+ of_unregister_platform_driver(&cs4231_driver);
}
module_init(cs4231_init);
return -ENOENT;
}
- irq = op->irqs[0];
+ irq = op->archdata.irqs[0];
if (irq <= 0) {
printk(KERN_ERR "DBRI-%d: No IRQ.\n", dev);
return -ENODEV;
/* Probe for the dbri chip and then attach the driver. */
static int __init dbri_init(void)
{
- return of_register_driver(&dbri_sbus_driver, &of_bus_type);
+ return of_register_platform_driver(&dbri_sbus_driver);
}
static void __exit dbri_exit(void)
{
- of_unregister_driver(&dbri_sbus_driver);
+ of_unregister_platform_driver(&dbri_sbus_driver);
}
module_init(dbri_init);
projects / firefly-linux-kernel-4.4.55.git / commitdiff