ar71xx: move arch specific files to files-2.6.39

SVN-Revision: 29867

1 files changed, 0 insertions, 305 deletions

diff --git a/target/linux/ar71xx/files/drivers/watchdog/ar71xx_wdt.c b/target/linux/ar71xx/files/drivers/watchdog/ar71xx_wdt.c
deleted file mode 100644
index d5e1f8a..0000000
--- a/target/linux/ar71xx/files/drivers/watchdog/ar71xx_wdt.c
+++ /dev/null
@@ -1,305 +0,0 @@
-/*
- * Driver for the Atheros AR71xx SoC's built-in hardware watchdog timer.
- *
- * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
- * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- *
- * Parts of this file are based on Atheros 2.6.31 BSP
- *
- * This driver was based on: drivers/watchdog/ixp4xx_wdt.c
- *	Author: Deepak Saxena <dsaxena@plexity.net>
- *	Copyright 2004 (c) MontaVista, Software, Inc.
- *
- * which again was based on sa1100 driver,
- *	Copyright (C) 2000 Oleg Drokin <green@crimea.edu>
- *
- * 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/bitops.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/miscdevice.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/platform_device.h>
-#include <linux/types.h>
-#include <linux/watchdog.h>
-#include <linux/delay.h>
-
-#include <asm/mach-ar71xx/ar71xx.h>
-
-#define DRV_NAME	"ar71xx-wdt"
-#define DRV_DESC	"Atheros AR71xx hardware watchdog driver"
-#define DRV_VERSION	"0.1.0"
-
-#define WDT_TIMEOUT	15	/* seconds */
-
-static int nowayout = WATCHDOG_NOWAYOUT;
-
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started "
-			   "(default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-#endif
-
-static unsigned long wdt_flags;
-
-#define WDT_FLAGS_BUSY		0
-#define WDT_FLAGS_EXPECT_CLOSE	1
-
-static int wdt_timeout = WDT_TIMEOUT;
-static int boot_status;
-static int max_timeout;
-static u32 wdt_clk_freq;
-
-static inline void ar71xx_wdt_keepalive(void)
-{
-	ar71xx_reset_wr(AR71XX_RESET_REG_WDOG, wdt_clk_freq * wdt_timeout);
-}
-
-static inline void ar71xx_wdt_enable(void)
-{
-	printk(KERN_DEBUG DRV_NAME ": enabling watchdog timer\n");
-	ar71xx_wdt_keepalive();
-	udelay(2);
-	ar71xx_reset_wr(AR71XX_RESET_REG_WDOG_CTRL, WDOG_CTRL_ACTION_FCR);
-}
-
-static inline void ar71xx_wdt_disable(void)
-{
-	printk(KERN_DEBUG DRV_NAME ": disabling watchdog timer\n");
-	ar71xx_reset_wr(AR71XX_RESET_REG_WDOG_CTRL, WDOG_CTRL_ACTION_NONE);
-}
-
-static int ar71xx_wdt_set_timeout(int val)
-{
-	if (val < 1 || val > max_timeout)
-		return -EINVAL;
-
-	wdt_timeout = val;
-	ar71xx_wdt_keepalive();
-
-	printk(KERN_DEBUG DRV_NAME ": timeout=%d secs\n", wdt_timeout);
-
-	return 0;
-}
-
-static int ar71xx_wdt_open(struct inode *inode, struct file *file)
-{
-	if (test_and_set_bit(WDT_FLAGS_BUSY, &wdt_flags))
-		return -EBUSY;
-
-	clear_bit(WDT_FLAGS_EXPECT_CLOSE, &wdt_flags);
-
-	ar71xx_wdt_enable();
-
-	return nonseekable_open(inode, file);
-}
-
-static int ar71xx_wdt_release(struct inode *inode, struct file *file)
-{
-	if (test_bit(WDT_FLAGS_EXPECT_CLOSE, &wdt_flags)) {
-		ar71xx_wdt_disable();
-	} else {
-		printk(KERN_CRIT DRV_NAME ": device closed unexpectedly, "
-					"watchdog timer will not stop!\n");
-	}
-
-	clear_bit(WDT_FLAGS_BUSY, &wdt_flags);
-	clear_bit(WDT_FLAGS_EXPECT_CLOSE, &wdt_flags);
-
-	return 0;
-}
-
-static ssize_t ar71xx_wdt_write(struct file *file, const char *data,
-				size_t len, loff_t *ppos)
-{
-	if (len) {
-		if (!nowayout) {
-			size_t i;
-
-			clear_bit(WDT_FLAGS_EXPECT_CLOSE, &wdt_flags);
-
-			for (i = 0; i != len; i++) {
-				char c;
-
-				if (get_user(c, data + i))
-					return -EFAULT;
-
-				if (c == 'V')
-					set_bit(WDT_FLAGS_EXPECT_CLOSE,
-						&wdt_flags);
-			}
-		}
-
-		ar71xx_wdt_keepalive();
-	}
-
-	return len;
-}
-
-static struct watchdog_info ar71xx_wdt_info = {
-	.options		= WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING |
-				  WDIOF_MAGICCLOSE | WDIOF_CARDRESET,
-	.firmware_version	= 0,
-	.identity		= "AR71XX watchdog",
-};
-
-static long ar71xx_wdt_ioctl(struct file *file,
-			    unsigned int cmd, unsigned long arg)
-{
-	int t;
-	int ret;
-
-	switch (cmd) {
-	case WDIOC_GETSUPPORT:
-		ret = copy_to_user((struct watchdog_info *)arg,
-				   &ar71xx_wdt_info,
-				   sizeof(ar71xx_wdt_info)) ? -EFAULT : 0;
-		break;
-
-	case WDIOC_GETSTATUS:
-		ret = put_user(0, (int *)arg) ? -EFAULT : 0;
-		break;
-
-	case WDIOC_GETBOOTSTATUS:
-		ret = put_user(boot_status, (int *)arg) ? -EFAULT : 0;
-		break;
-
-	case WDIOC_KEEPALIVE:
-		ar71xx_wdt_keepalive();
-		ret = 0;
-		break;
-
-	case WDIOC_SETTIMEOUT:
-		ret = get_user(t, (int *)arg) ? -EFAULT : 0;
-		if (ret)
-			break;
-
-		ret = ar71xx_wdt_set_timeout(t);
-		if (ret)
-			break;
-
-		/* fallthrough */
-	case WDIOC_GETTIMEOUT:
-		ret = put_user(wdt_timeout, (int *)arg) ? -EFAULT : 0;
-		break;
-
-	default:
-		ret = -ENOTTY;
-		break;
-	}
-
-	return ret;
-}
-
-static const struct file_operations ar71xx_wdt_fops = {
-	.owner		= THIS_MODULE,
-	.write		= ar71xx_wdt_write,
-	.unlocked_ioctl	= ar71xx_wdt_ioctl,
-	.open		= ar71xx_wdt_open,
-	.release	= ar71xx_wdt_release,
-};
-
-static struct miscdevice ar71xx_wdt_miscdev = {
-	.minor = WATCHDOG_MINOR,
-	.name = "watchdog",
-	.fops = &ar71xx_wdt_fops,
-};
-
-static int __devinit ar71xx_wdt_probe(struct platform_device *pdev)
-{
-	int ret;
-
-	switch (ar71xx_soc) {
-	case AR71XX_SOC_AR7130:
-	case AR71XX_SOC_AR7141:
-	case AR71XX_SOC_AR7161:
-	case AR71XX_SOC_AR7240:
-	case AR71XX_SOC_AR7241:
-	case AR71XX_SOC_AR7242:
-	case AR71XX_SOC_AR9130:
-	case AR71XX_SOC_AR9132:
-		wdt_clk_freq = ar71xx_ahb_freq;
-		break;
-
-	case AR71XX_SOC_AR9330:
-	case AR71XX_SOC_AR9331:
-	case AR71XX_SOC_AR9341:
-	case AR71XX_SOC_AR9342:
-	case AR71XX_SOC_AR9344:
-		wdt_clk_freq = ar71xx_ref_freq;
-		break;
-
-	default:
-		BUG();
-	}
-
-	max_timeout = (0xfffffffful / wdt_clk_freq);
-	wdt_timeout = (max_timeout < WDT_TIMEOUT) ? max_timeout : WDT_TIMEOUT;
-
-	if (ar71xx_reset_rr(AR71XX_RESET_REG_WDOG_CTRL) & WDOG_CTRL_LAST_RESET)
-		boot_status = WDIOF_CARDRESET;
-
-	ret = misc_register(&ar71xx_wdt_miscdev);
-	if (ret)
-		goto err_out;
-
-	printk(KERN_INFO DRV_DESC " version " DRV_VERSION "\n");
-
-	printk(KERN_DEBUG DRV_NAME ": timeout=%d secs (max=%d)\n",
-					wdt_timeout, max_timeout);
-
-	return 0;
-
-err_out:
-	return ret;
-}
-
-static int __devexit ar71xx_wdt_remove(struct platform_device *pdev)
-{
-	misc_deregister(&ar71xx_wdt_miscdev);
-	return 0;
-}
-
-static void ar71xx_wdt_shutdown(struct platform_device *pdev)
-{
-	ar71xx_wdt_disable();
-}
-
-static struct platform_driver ar71xx_wdt_driver = {
-	.probe		= ar71xx_wdt_probe,
-	.remove		= __devexit_p(ar71xx_wdt_remove),
-	.shutdown	= ar71xx_wdt_shutdown,
-	.driver		= {
-		.name	= DRV_NAME,
-		.owner	= THIS_MODULE,
-	},
-};
-
-static int __init ar71xx_wdt_init(void)
-{
-	return platform_driver_register(&ar71xx_wdt_driver);
-}
-module_init(ar71xx_wdt_init);
-
-static void __exit ar71xx_wdt_exit(void)
-{
-	platform_driver_unregister(&ar71xx_wdt_driver);
-}
-module_exit(ar71xx_wdt_exit);
-
-MODULE_DESCRIPTION(DRV_DESC);
-MODULE_VERSION(DRV_VERSION);
-MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org");
-MODULE_AUTHOR("Imre Kaloz <kaloz@openwrt.org");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:" DRV_NAME);
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);