diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2008-04-28 12:41:36 +0100 |
---|---|---|
committer | Jeff Garzik <jgarzik@redhat.com> | 2008-04-29 02:16:25 -0400 |
commit | 3dd654bfdf8905d0acb6f6231b5e736d2b0d4bc6 (patch) | |
tree | 5d5cf68ed77f2dd57b04d0dd672ff633750ba43f /drivers/ata/pata_rb500_cf.c | |
parent | a01e035ebb552223c03f2d9138ffc73f2d4d3965 (diff) |
[MIPS] ATA: Rename routerboard 500 to 532
The platform is actually named routerboard 532 so let's call it this. This
patch only rename files, Kconfig and C symbols; no functional changes.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/pata_rb500_cf.c')
-rw-r--r-- | drivers/ata/pata_rb500_cf.c | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/drivers/ata/pata_rb500_cf.c b/drivers/ata/pata_rb500_cf.c deleted file mode 100644 index 4345174aaeec..000000000000 --- a/drivers/ata/pata_rb500_cf.c +++ /dev/null @@ -1,277 +0,0 @@ -/* - * 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); |