mtd: remove the tqm8xxl map driver
authorArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Mon, 11 Mar 2013 16:07:35 +0000 (18:07 +0200)
committerDavid Woodhouse <David.Woodhouse@intel.com>
Fri, 5 Apr 2013 12:01:34 +0000 (13:01 +0100)
This driver depends on the CONFIG_TQM8xxL symbol, which is not defined
anywhere, which means that this driver is dead.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
drivers/mtd/maps/Kconfig
drivers/mtd/maps/Makefile
drivers/mtd/maps/tqm8xxl.c [deleted file]

index 3fe3216b9a6e74186fe741bd81586ca76ba2d8e4..888e6842b69820717843cf704b3afe223aa33354 100644 (file)
@@ -274,16 +274,6 @@ config MTD_L440GX
 
          BE VERY CAREFUL.
 
-config MTD_TQM8XXL
-       tristate "CFI Flash device mapped on TQM8XXL"
-       depends on MTD_CFI && TQM8xxL
-       help
-         The TQM8xxL PowerPC board has up to two banks of CFI-compliant
-         chips, currently uses AMD one. This 'mapping' driver supports
-         that arrangement, allowing the CFI probe and command set driver
-         code to communicate with the chips on the TQM8xxL board. More at
-         <http://www.denx.de/wiki/PPCEmbedded/>.
-
 config MTD_CFI_FLAGADM
        tristate "CFI Flash device mapping on FlagaDM"
        depends on 8xx && MTD_CFI
index 8e2b289f5014735d2aac9338d82164e936a29261..0cdc881fe26277478c0558c174157b58b8a87ea0 100644 (file)
@@ -23,7 +23,6 @@ obj-$(CONFIG_MTD_PHYSMAP_OF)  += physmap_of.o
 obj-$(CONFIG_MTD_PISMO)                += pismo.o
 obj-$(CONFIG_MTD_PMC_MSP_EVM)   += pmcmsp-flash.o
 obj-$(CONFIG_MTD_PCMCIA)       += pcmciamtd.o
-obj-$(CONFIG_MTD_TQM8XXL)      += tqm8xxl.o
 obj-$(CONFIG_MTD_SA1100)       += sa1100-flash.o
 obj-$(CONFIG_MTD_SBC_GXX)      += sbc_gxx.o
 obj-$(CONFIG_MTD_SC520CDP)     += sc520cdp.o
diff --git a/drivers/mtd/maps/tqm8xxl.c b/drivers/mtd/maps/tqm8xxl.c
deleted file mode 100644 (file)
index d785879..0000000
+++ /dev/null
@@ -1,249 +0,0 @@
-/*
- * Handle mapping of the flash memory access routines
- * on TQM8xxL based devices.
- *
- * based on rpxlite.c
- *
- * Copyright(C) 2001 Kirk Lee <kirk@hpc.ee.ntu.edu.tw>
- *
- * This code is GPLed
- *
- */
-
-/*
- * According to TQM8xxL hardware manual, TQM8xxL series have
- * following flash memory organisations:
- *     | capacity |    | chip type |   | bank0 |       | bank1 |
- *         2MiB           512Kx16        2MiB             0
- *         4MiB           1Mx16          4MiB             0
- *         8MiB           1Mx16          4MiB             4MiB
- * Thus, we choose CONFIG_MTD_CFI_I2 & CONFIG_MTD_CFI_B4 at
- * kernel configuration.
- */
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-#include <asm/io.h>
-
-#define FLASH_ADDR 0x40000000
-#define FLASH_SIZE 0x00800000
-#define FLASH_BANK_MAX 4
-
-// trivial struct to describe partition information
-struct mtd_part_def
-{
-       int nums;
-       unsigned char *type;
-       struct mtd_partition* mtd_part;
-};
-
-//static struct mtd_info *mymtd;
-static struct mtd_info* mtd_banks[FLASH_BANK_MAX];
-static struct map_info* map_banks[FLASH_BANK_MAX];
-static struct mtd_part_def part_banks[FLASH_BANK_MAX];
-static unsigned long num_banks;
-static void __iomem *start_scan_addr;
-
-/*
- * Here are partition information for all known TQM8xxL series devices.
- * See include/linux/mtd/partitions.h for definition of the mtd_partition
- * structure.
- *
- * The *_max_flash_size is the maximum possible mapped flash size which
- * is not necessarily the actual flash size.  It must correspond to the
- * value specified in the mapping definition defined by the
- * "struct map_desc *_io_desc" for the corresponding machine.
- */
-
-/* Currently, TQM8xxL has up to 8MiB flash */
-static unsigned long tqm8xxl_max_flash_size = 0x00800000;
-
-/* partition definition for first flash bank
- * (cf. "drivers/char/flash_config.c")
- */
-static struct mtd_partition tqm8xxl_partitions[] = {
-       {
-         .name = "ppcboot",
-         .offset = 0x00000000,
-         .size = 0x00020000,           /* 128KB           */
-         .mask_flags = MTD_WRITEABLE,  /* force read-only */
-       },
-       {
-         .name = "kernel",             /* default kernel image */
-         .offset = 0x00020000,
-         .size = 0x000e0000,
-         .mask_flags = MTD_WRITEABLE,  /* force read-only */
-       },
-       {
-         .name = "user",
-         .offset = 0x00100000,
-         .size = 0x00100000,
-       },
-       {
-         .name = "initrd",
-         .offset = 0x00200000,
-         .size = 0x00200000,
-       }
-};
-/* partition definition for second flash bank */
-static struct mtd_partition tqm8xxl_fs_partitions[] = {
-       {
-         .name = "cramfs",
-         .offset = 0x00000000,
-         .size = 0x00200000,
-       },
-       {
-         .name = "jffs",
-         .offset = 0x00200000,
-         .size = 0x00200000,
-         //.size = MTDPART_SIZ_FULL,
-       }
-};
-
-static int __init init_tqm_mtd(void)
-{
-       int idx = 0, ret = 0;
-       unsigned long flash_addr, flash_size, mtd_size = 0;
-       /* pointer to TQM8xxL board info data */
-       bd_t *bd = (bd_t *)__res;
-
-       flash_addr = bd->bi_flashstart;
-       flash_size = bd->bi_flashsize;
-
-       //request maximum flash size address space
-       start_scan_addr = ioremap(flash_addr, flash_size);
-       if (!start_scan_addr) {
-               printk(KERN_WARNING "%s:Failed to ioremap address:0x%x\n", __func__, flash_addr);
-               return -EIO;
-       }
-
-       for (idx = 0 ; idx < FLASH_BANK_MAX ; idx++) {
-               if(mtd_size >= flash_size)
-                       break;
-
-               printk(KERN_INFO "%s: chip probing count %d\n", __func__, idx);
-
-               map_banks[idx] = kzalloc(sizeof(struct map_info), GFP_KERNEL);
-               if(map_banks[idx] == NULL) {
-                       ret = -ENOMEM;
-                       /* FIXME: What if some MTD devices were probed already? */
-                       goto error_mem;
-               }
-
-               map_banks[idx]->name = kmalloc(16, GFP_KERNEL);
-
-               if (!map_banks[idx]->name) {
-                       ret = -ENOMEM;
-                       /* FIXME: What if some MTD devices were probed already? */
-                       goto error_mem;
-               }
-               sprintf(map_banks[idx]->name, "TQM8xxL%d", idx);
-
-               map_banks[idx]->size = flash_size;
-               map_banks[idx]->bankwidth = 4;
-
-               simple_map_init(map_banks[idx]);
-
-               map_banks[idx]->virt = start_scan_addr;
-               map_banks[idx]->phys = flash_addr;
-               /* FIXME: This looks utterly bogus, but I'm trying to
-                  preserve the behaviour of the original (shown here)...
-
-               map_banks[idx]->map_priv_1 =
-               start_scan_addr + ((idx > 0) ?
-               (mtd_banks[idx-1] ? mtd_banks[idx-1]->size : 0) : 0);
-               */
-
-               if (idx && mtd_banks[idx-1]) {
-                       map_banks[idx]->virt += mtd_banks[idx-1]->size;
-                       map_banks[idx]->phys += mtd_banks[idx-1]->size;
-               }
-
-               //start to probe flash chips
-               mtd_banks[idx] = do_map_probe("cfi_probe", map_banks[idx]);
-
-               if (mtd_banks[idx]) {
-                       mtd_banks[idx]->owner = THIS_MODULE;
-                       mtd_size += mtd_banks[idx]->size;
-                       num_banks++;
-
-                       printk(KERN_INFO "%s: bank%d, name:%s, size:%dbytes \n", __func__, num_banks,
-                       mtd_banks[idx]->name, mtd_banks[idx]->size);
-               }
-       }
-
-       /* no supported flash chips found */
-       if (!num_banks) {
-               printk(KERN_NOTICE "TQM8xxL: No support flash chips found!\n");
-               ret = -ENXIO;
-               goto error_mem;
-       }
-
-       /*
-        * Select Static partition definitions
-        */
-       part_banks[0].mtd_part = tqm8xxl_partitions;
-       part_banks[0].type = "Static image";
-       part_banks[0].nums = ARRAY_SIZE(tqm8xxl_partitions);
-
-       part_banks[1].mtd_part = tqm8xxl_fs_partitions;
-       part_banks[1].type = "Static file system";
-       part_banks[1].nums = ARRAY_SIZE(tqm8xxl_fs_partitions);
-
-       for(idx = 0; idx < num_banks ; idx++) {
-               if (part_banks[idx].nums == 0)
-                       printk(KERN_NOTICE "TQM flash%d: no partition info available, registering whole flash at once\n", idx);
-               else
-                       printk(KERN_NOTICE "TQM flash%d: Using %s partition definition\n",
-                                       idx, part_banks[idx].type);
-               mtd_device_register(mtd_banks[idx], part_banks[idx].mtd_part,
-               part_banks[idx].nums);
-       }
-       return 0;
-error_mem:
-       for(idx = 0 ; idx < FLASH_BANK_MAX ; idx++) {
-               if(map_banks[idx] != NULL) {
-                       kfree(map_banks[idx]->name);
-                       map_banks[idx]->name = NULL;
-                       kfree(map_banks[idx]);
-                       map_banks[idx] = NULL;
-               }
-       }
-error:
-       iounmap(start_scan_addr);
-       return ret;
-}
-
-static void __exit cleanup_tqm_mtd(void)
-{
-       unsigned int idx = 0;
-       for(idx = 0 ; idx < num_banks ; idx++) {
-               /* destroy mtd_info previously allocated */
-               if (mtd_banks[idx]) {
-                       mtd_device_unregister(mtd_banks[idx]);
-                       map_destroy(mtd_banks[idx]);
-               }
-               /* release map_info not used anymore */
-               kfree(map_banks[idx]->name);
-               kfree(map_banks[idx]);
-       }
-
-       if (start_scan_addr) {
-               iounmap(start_scan_addr);
-               start_scan_addr = 0;
-       }
-}
-
-module_init(init_tqm_mtd);
-module_exit(cleanup_tqm_mtd);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Kirk Lee <kirk@hpc.ee.ntu.edu.tw>");
-MODULE_DESCRIPTION("MTD map driver for TQM8xxL boards");