If unsure, say N.
-config PATA_RB500
- tristate "RouterBoard 500 PATA CompactFlash support"
- depends on MIKROTIK_RB500
+config PATA_RB532
+ tristate "RouterBoard 532 PATA CompactFlash support"
+ depends on MIKROTIK_RB532
help
- This option enables support for the RouterBoard 500
+ This option enables support for the RouterBoard 532
PATA CompactFlash controller.
If unsure, say N.
obj-$(CONFIG_PATA_PDC_OLD) += pata_pdc202xx_old.o
obj-$(CONFIG_PATA_QDI) += pata_qdi.o
obj-$(CONFIG_PATA_RADISYS) += pata_radisys.o
-obj-$(CONFIG_PATA_RB500) += pata_rb500_cf.o
+obj-$(CONFIG_PATA_RB532) += pata_rb532_cf.o
obj-$(CONFIG_PATA_RZ1000) += pata_rz1000.o
obj-$(CONFIG_PATA_SC1200) += pata_sc1200.o
obj-$(CONFIG_PATA_SERVERWORKS) += pata_serverworks.o
+++ /dev/null
-/*
- * A low-level PATA driver to handle a Compact Flash connected on the
- * Mikrotik's RouterBoard 532 board.
- *
- * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
- * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
- *
- * This file was based on: drivers/ata/pata_ixp4xx_cf.c
- * Copyright (C) 2006-07 Tower Technologies
- * Author: Alessandro Zummo <a.zummo@towertech.it>
- *
- * Also was based on the driver for Linux 2.4.xx published by Mikrotik for
- * their RouterBoard 1xx and 5xx series devices. The original Mikrotik code
- * seems not to have a license.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-
-#include <linux/io.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-
-#include <linux/libata.h>
-#include <scsi/scsi_host.h>
-
-#include <asm/gpio.h>
-
-#define DRV_NAME "pata-rb500-cf"
-#define DRV_VERSION "0.1.0"
-#define DRV_DESC "PATA driver for RouterBOARD 532 Compact Flash"
-
-#define RB500_CF_MAXPORTS 1
-#define RB500_CF_IO_DELAY 400
-
-#define RB500_CF_REG_CMD 0x0800
-#define RB500_CF_REG_CTRL 0x080E
-#define RB500_CF_REG_DATA 0x0C00
-
-struct rb500_cf_info {
- void __iomem *iobase;
- unsigned int gpio_line;
- int frozen;
- unsigned int irq;
-};
-
-/* ------------------------------------------------------------------------ */
-
-static inline void rb500_pata_finish_io(struct ata_port *ap)
-{
- struct ata_host *ah = ap->host;
- struct rb500_cf_info *info = ah->private_data;
-
- ata_sff_altstatus(ap);
- ndelay(RB500_CF_IO_DELAY);
-
- set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
-}
-
-static void rb500_pata_exec_command(struct ata_port *ap,
- const struct ata_taskfile *tf)
-{
- writeb(tf->command, ap->ioaddr.command_addr);
- rb500_pata_finish_io(ap);
-}
-
-static void rb500_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
- unsigned int buflen, int write_data)
-{
- struct ata_port *ap = adev->link->ap;
- void __iomem *ioaddr = ap->ioaddr.data_addr;
-
- if (write_data) {
- for (; buflen > 0; buflen--, buf++)
- writeb(*buf, ioaddr);
- } else {
- for (; buflen > 0; buflen--, buf++)
- *buf = readb(ioaddr);
- }
-
- rb500_pata_finish_io(adev->link->ap);
-}
-
-static void rb500_pata_freeze(struct ata_port *ap)
-{
- struct rb500_cf_info *info = ap->host->private_data;
-
- info->frozen = 1;
-}
-
-static void rb500_pata_thaw(struct ata_port *ap)
-{
- struct rb500_cf_info *info = ap->host->private_data;
-
- info->frozen = 0;
-}
-
-static irqreturn_t rb500_pata_irq_handler(int irq, void *dev_instance)
-{
- struct ata_host *ah = dev_instance;
- struct rb500_cf_info *info = ah->private_data;
-
- if (gpio_get_value(info->gpio_line)) {
- set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW);
- if (!info->frozen)
- ata_sff_interrupt(info->irq, dev_instance);
- } else {
- set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
- }
-
- return IRQ_HANDLED;
-}
-
-static struct ata_port_operations rb500_pata_port_ops = {
- .inherits = &ata_sff_port_ops,
- .sff_exec_command = rb500_pata_exec_command,
- .sff_data_xfer = rb500_pata_data_xfer,
- .freeze = rb500_pata_freeze,
- .thaw = rb500_pata_thaw,
-};
-
-/* ------------------------------------------------------------------------ */
-
-static struct scsi_host_template rb500_pata_sht = {
- ATA_PIO_SHT(DRV_NAME),
-};
-
-/* ------------------------------------------------------------------------ */
-
-static void rb500_pata_setup_ports(struct ata_host *ah)
-{
- struct rb500_cf_info *info = ah->private_data;
- struct ata_port *ap;
-
- ap = ah->ports[0];
-
- ap->ops = &rb500_pata_port_ops;
- ap->pio_mask = 0x1f; /* PIO4 */
- ap->flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO;
-
- ap->ioaddr.cmd_addr = info->iobase + RB500_CF_REG_CMD;
- ap->ioaddr.ctl_addr = info->iobase + RB500_CF_REG_CTRL;
- ap->ioaddr.altstatus_addr = info->iobase + RB500_CF_REG_CTRL;
-
- ata_sff_std_ports(&ap->ioaddr);
-
- ap->ioaddr.data_addr = info->iobase + RB500_CF_REG_DATA;
-}
-
-static __devinit int rb500_pata_driver_probe(struct platform_device *pdev)
-{
- unsigned int irq;
- int gpio;
- struct resource *res;
- struct ata_host *ah;
- struct rb500_cf_info *info;
- int ret;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "no IOMEM resource found\n");
- return -EINVAL;
- }
-
- irq = platform_get_irq(pdev, 0);
- if (irq <= 0) {
- dev_err(&pdev->dev, "no IRQ resource found\n");
- return -ENOENT;
- }
-
- gpio = irq_to_gpio(irq);
- if (gpio < 0) {
- dev_err(&pdev->dev, "no GPIO found for irq%d\n", irq);
- return -ENOENT;
- }
-
- ret = gpio_request(gpio, DRV_NAME);
- if (ret) {
- dev_err(&pdev->dev, "GPIO request failed\n");
- return ret;
- }
-
- /* allocate host */
- ah = ata_host_alloc(&pdev->dev, RB500_CF_MAXPORTS);
- if (!ah)
- return -ENOMEM;
-
- platform_set_drvdata(pdev, ah);
-
- info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
- if (!info)
- return -ENOMEM;
-
- ah->private_data = info;
- info->gpio_line = gpio;
- info->irq = irq;
-
- info->iobase = devm_ioremap_nocache(&pdev->dev, res->start,
- res->end - res->start + 1);
- if (!info->iobase)
- return -ENOMEM;
-
- ret = gpio_direction_input(gpio);
- if (ret) {
- dev_err(&pdev->dev, "unable to set GPIO direction, err=%d\n",
- ret);
- goto err_free_gpio;
- }
-
- rb500_pata_setup_ports(ah);
-
- ret = ata_host_activate(ah, irq, rb500_pata_irq_handler,
- IRQF_TRIGGER_LOW, &rb500_pata_sht);
- if (ret)
- goto err_free_gpio;
-
- return 0;
-
-err_free_gpio:
- gpio_free(gpio);
-
- return ret;
-}
-
-static __devexit int rb500_pata_driver_remove(struct platform_device *pdev)
-{
- struct ata_host *ah = platform_get_drvdata(pdev);
- struct rb500_cf_info *info = ah->private_data;
-
- ata_host_detach(ah);
- gpio_free(info->gpio_line);
-
- return 0;
-}
-
-/* work with hotplug and coldplug */
-MODULE_ALIAS("platform:" DRV_NAME);
-
-static struct platform_driver rb500_pata_platform_driver = {
- .probe = rb500_pata_driver_probe,
- .remove = __devexit_p(rb500_pata_driver_remove),
- .driver = {
- .name = DRV_NAME,
- .owner = THIS_MODULE,
- },
-};
-
-/* ------------------------------------------------------------------------ */
-
-#define DRV_INFO DRV_DESC " version " DRV_VERSION
-
-static int __init rb500_pata_module_init(void)
-{
- printk(KERN_INFO DRV_INFO "\n");
-
- return platform_driver_register(&rb500_pata_platform_driver);
-}
-
-static void __exit rb500_pata_module_exit(void)
-{
- platform_driver_unregister(&rb500_pata_platform_driver);
-}
-
-MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
-MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
-MODULE_DESCRIPTION(DRV_DESC);
-MODULE_VERSION(DRV_VERSION);
-MODULE_LICENSE("GPL");
-
-module_init(rb500_pata_module_init);
-module_exit(rb500_pata_module_exit);
--- /dev/null
+/*
+ * A low-level PATA driver to handle a Compact Flash connected on the
+ * Mikrotik's RouterBoard 532 board.
+ *
+ * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
+ * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
+ *
+ * This file was based on: drivers/ata/pata_ixp4xx_cf.c
+ * Copyright (C) 2006-07 Tower Technologies
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * Also was based on the driver for Linux 2.4.xx published by Mikrotik for
+ * their RouterBoard 1xx and 5xx series devices. The original Mikrotik code
+ * seems not to have a license.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+
+#include <linux/libata.h>
+#include <scsi/scsi_host.h>
+
+#include <asm/gpio.h>
+
+#define DRV_NAME "pata-rb532-cf"
+#define DRV_VERSION "0.1.0"
+#define DRV_DESC "PATA driver for RouterBOARD 532 Compact Flash"
+
+#define RB500_CF_MAXPORTS 1
+#define RB500_CF_IO_DELAY 400
+
+#define RB500_CF_REG_CMD 0x0800
+#define RB500_CF_REG_CTRL 0x080E
+#define RB500_CF_REG_DATA 0x0C00
+
+struct rb532_cf_info {
+ void __iomem *iobase;
+ unsigned int gpio_line;
+ int frozen;
+ unsigned int irq;
+};
+
+/* ------------------------------------------------------------------------ */
+
+static inline void rb532_pata_finish_io(struct ata_port *ap)
+{
+ struct ata_host *ah = ap->host;
+ struct rb532_cf_info *info = ah->private_data;
+
+ ata_sff_altstatus(ap);
+ ndelay(RB500_CF_IO_DELAY);
+
+ set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
+}
+
+static void rb532_pata_exec_command(struct ata_port *ap,
+ const struct ata_taskfile *tf)
+{
+ writeb(tf->command, ap->ioaddr.command_addr);
+ rb532_pata_finish_io(ap);
+}
+
+static void rb532_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
+ unsigned int buflen, int write_data)
+{
+ struct ata_port *ap = adev->link->ap;
+ void __iomem *ioaddr = ap->ioaddr.data_addr;
+
+ if (write_data) {
+ for (; buflen > 0; buflen--, buf++)
+ writeb(*buf, ioaddr);
+ } else {
+ for (; buflen > 0; buflen--, buf++)
+ *buf = readb(ioaddr);
+ }
+
+ rb532_pata_finish_io(adev->link->ap);
+}
+
+static void rb532_pata_freeze(struct ata_port *ap)
+{
+ struct rb532_cf_info *info = ap->host->private_data;
+
+ info->frozen = 1;
+}
+
+static void rb532_pata_thaw(struct ata_port *ap)
+{
+ struct rb532_cf_info *info = ap->host->private_data;
+
+ info->frozen = 0;
+}
+
+static irqreturn_t rb532_pata_irq_handler(int irq, void *dev_instance)
+{
+ struct ata_host *ah = dev_instance;
+ struct rb532_cf_info *info = ah->private_data;
+
+ if (gpio_get_value(info->gpio_line)) {
+ set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW);
+ if (!info->frozen)
+ ata_sff_interrupt(info->irq, dev_instance);
+ } else {
+ set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static struct ata_port_operations rb532_pata_port_ops = {
+ .inherits = &ata_sff_port_ops,
+ .sff_exec_command = rb532_pata_exec_command,
+ .sff_data_xfer = rb532_pata_data_xfer,
+ .freeze = rb532_pata_freeze,
+ .thaw = rb532_pata_thaw,
+};
+
+/* ------------------------------------------------------------------------ */
+
+static struct scsi_host_template rb532_pata_sht = {
+ ATA_PIO_SHT(DRV_NAME),
+};
+
+/* ------------------------------------------------------------------------ */
+
+static void rb532_pata_setup_ports(struct ata_host *ah)
+{
+ struct rb532_cf_info *info = ah->private_data;
+ struct ata_port *ap;
+
+ ap = ah->ports[0];
+
+ ap->ops = &rb532_pata_port_ops;
+ ap->pio_mask = 0x1f; /* PIO4 */
+ ap->flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO;
+
+ ap->ioaddr.cmd_addr = info->iobase + RB500_CF_REG_CMD;
+ ap->ioaddr.ctl_addr = info->iobase + RB500_CF_REG_CTRL;
+ ap->ioaddr.altstatus_addr = info->iobase + RB500_CF_REG_CTRL;
+
+ ata_sff_std_ports(&ap->ioaddr);
+
+ ap->ioaddr.data_addr = info->iobase + RB500_CF_REG_DATA;
+}
+
+static __devinit int rb532_pata_driver_probe(struct platform_device *pdev)
+{
+ unsigned int irq;
+ int gpio;
+ struct resource *res;
+ struct ata_host *ah;
+ struct rb532_cf_info *info;
+ int ret;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "no IOMEM resource found\n");
+ return -EINVAL;
+ }
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq <= 0) {
+ dev_err(&pdev->dev, "no IRQ resource found\n");
+ return -ENOENT;
+ }
+
+ gpio = irq_to_gpio(irq);
+ if (gpio < 0) {
+ dev_err(&pdev->dev, "no GPIO found for irq%d\n", irq);
+ return -ENOENT;
+ }
+
+ ret = gpio_request(gpio, DRV_NAME);
+ if (ret) {
+ dev_err(&pdev->dev, "GPIO request failed\n");
+ return ret;
+ }
+
+ /* allocate host */
+ ah = ata_host_alloc(&pdev->dev, RB500_CF_MAXPORTS);
+ if (!ah)
+ return -ENOMEM;
+
+ platform_set_drvdata(pdev, ah);
+
+ info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ ah->private_data = info;
+ info->gpio_line = gpio;
+ info->irq = irq;
+
+ info->iobase = devm_ioremap_nocache(&pdev->dev, res->start,
+ res->end - res->start + 1);
+ if (!info->iobase)
+ return -ENOMEM;
+
+ ret = gpio_direction_input(gpio);
+ if (ret) {
+ dev_err(&pdev->dev, "unable to set GPIO direction, err=%d\n",
+ ret);
+ goto err_free_gpio;
+ }
+
+ rb532_pata_setup_ports(ah);
+
+ ret = ata_host_activate(ah, irq, rb532_pata_irq_handler,
+ IRQF_TRIGGER_LOW, &rb532_pata_sht);
+ if (ret)
+ goto err_free_gpio;
+
+ return 0;
+
+err_free_gpio:
+ gpio_free(gpio);
+
+ return ret;
+}
+
+static __devexit int rb532_pata_driver_remove(struct platform_device *pdev)
+{
+ struct ata_host *ah = platform_get_drvdata(pdev);
+ struct rb532_cf_info *info = ah->private_data;
+
+ ata_host_detach(ah);
+ gpio_free(info->gpio_line);
+
+ return 0;
+}
+
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:" DRV_NAME);
+
+static struct platform_driver rb532_pata_platform_driver = {
+ .probe = rb532_pata_driver_probe,
+ .remove = __devexit_p(rb532_pata_driver_remove),
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+/* ------------------------------------------------------------------------ */
+
+#define DRV_INFO DRV_DESC " version " DRV_VERSION
+
+static int __init rb532_pata_module_init(void)
+{
+ printk(KERN_INFO DRV_INFO "\n");
+
+ return platform_driver_register(&rb532_pata_platform_driver);
+}
+
+static void __exit rb532_pata_module_exit(void)
+{
+ platform_driver_unregister(&rb532_pata_platform_driver);
+}
+
+MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
+MODULE_DESCRIPTION(DRV_DESC);
+MODULE_VERSION(DRV_VERSION);
+MODULE_LICENSE("GPL");
+
+module_init(rb532_pata_module_init);
+module_exit(rb532_pata_module_exit);
projects / firefly-linux-kernel-4.4.55.git / commitdiff