[adm5120] experimental support for 2.6.27

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12863 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 204 deletions

diff --git a/target/linux/adm5120/files-2.6.26/drivers/watchdog/adm5120_wdt.c b/target/linux/adm5120/files-2.6.26/drivers/watchdog/adm5120_wdt.c
deleted file mode 100644
index e92a898431..0000000000
--- a/target/linux/adm5120/files-2.6.26/drivers/watchdog/adm5120_wdt.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- *	ADM5120_WDT 0.01: Infineon ADM5120 SoC watchdog driver
- *	Copyright (c) Ondrej Zajicek <santiago@crfreenet.org>, 2007
- *
- *	based on
- *
- *	RC32434_WDT 0.01: IDT Interprise 79RC32434 watchdog driver
- *
- *	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.
- *
- */
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/fs.h>
-#include <linux/miscdevice.h>
-#include <linux/watchdog.h>
-#include <linux/irq.h>
-
-#include <asm/bootinfo.h>
-
-#include <asm/mach-adm5120/adm5120_info.h>
-#include <asm/mach-adm5120/adm5120_defs.h>
-#include <asm/mach-adm5120/adm5120_switch.h>
-
-#define DEFAULT_TIMEOUT	15		/* (secs) Default is 15 seconds */
-#define MAX_TIMEOUT	327
-/* Max is 327 seconds, counter is 15-bit integer, step is 10 ms */
-
-#define NAME "adm5120_wdt"
-#define VERSION "0.1"
-
-static int expect_close = 0;
-static int access = 0;
-static unsigned int timeout = DEFAULT_TIMEOUT;
-
-static int nowayout = WATCHDOG_NOWAYOUT;
-module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-MODULE_LICENSE("GPL");
-
-
-static inline void wdt_set_timeout(void)
-{
-	u32 val = (1 << 31) | (((timeout * 100) & 0x7FFF) << 16);
-	SW_WRITE_REG(SWITCH_REG_WDOG0, val);
-}
-
-/*
-   It looks like WDOG0-register-write don't modify counter,
-   but WDOG0-register-read resets counter.
-*/
-
-static inline void wdt_reset_counter(void)
-{
-	SW_READ_REG(SWITCH_REG_WDOG0);
-}
-
-static inline void wdt_disable(void)
-{
-	SW_WRITE_REG(SWITCH_REG_WDOG0, 0x7FFF0000);
-}
-
-
-
-static int wdt_open(struct inode *inode, struct file *file)
-{
-	/* Allow only one person to hold it open */
-	if (access)
-		return -EBUSY;
-
-	if (nowayout) {
-		__module_get(THIS_MODULE);
-	}
-
-	/* Activate timer */
-	wdt_reset_counter();
-	wdt_set_timeout();
-	printk(KERN_INFO NAME ": enabling watchdog timer\n");
-	access = 1;
-	return 0;
-}
-
-static int wdt_release(struct inode *inode, struct file *file)
-{
-	/*
-	 *	Shut off the timer.
-	 * 	Lock it in if it's a module and we set nowayout
-	 */
-	if (expect_close && (nowayout == 0)) {
-		wdt_disable();
-		printk(KERN_INFO NAME ": disabling watchdog timer\n");
-		module_put(THIS_MODULE);
-	} else {
-		printk(KERN_CRIT NAME ": device closed unexpectedly.  WDT will not stop!\n");
-	}
-	access = 0;
-	return 0;
-}
-
-static ssize_t wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos)
-{
-	/* Refresh the timer. */
-	if (len) {
-		if (!nowayout) {
-			size_t i;
-
-			/* In case it was set long ago */
-			expect_close = 0;
-
-			for (i = 0; i != len; i++) {
-				char c;
-				if (get_user(c, data + i))
-					return -EFAULT;
-				if (c == 'V')
-					expect_close = 1;
-			}
-		}
-		wdt_reset_counter();
-		return len;
-	}
-	return 0;
-}
-
-static int wdt_ioctl(struct inode *inode, struct file *file,
-	unsigned int cmd, unsigned long arg)
-{
-	int new_timeout;
-	static struct watchdog_info ident = {
-		.options =		WDIOF_SETTIMEOUT |
-					WDIOF_KEEPALIVEPING |
-					WDIOF_MAGICCLOSE,
-		.firmware_version =	0,
-		.identity =		"ADM5120_WDT Watchdog",
-	};
-	switch (cmd) {
-		default:
-			return -ENOTTY;
-		case WDIOC_GETSUPPORT:
-			if(copy_to_user((struct watchdog_info *)arg, &ident, sizeof(ident)))
-				return -EFAULT;
-			return 0;
-		case WDIOC_GETSTATUS:
-		case WDIOC_GETBOOTSTATUS:
-			return put_user(0,(int *)arg);
-		case WDIOC_KEEPALIVE:
-			wdt_reset_counter();
-			return 0;
-		case WDIOC_SETTIMEOUT:
-			if (get_user(new_timeout, (int *)arg))
-				return -EFAULT;
-			if (new_timeout < 1)
-				return -EINVAL;
-			if (new_timeout > MAX_TIMEOUT)
-				return -EINVAL;
-			timeout = new_timeout;
-			wdt_set_timeout();
-			/* Fall */
-		case WDIOC_GETTIMEOUT:
-			return put_user(timeout, (int *)arg);
-	}
-}
-
-static struct file_operations wdt_fops = {
-	owner:		THIS_MODULE,
-	llseek:		no_llseek,
-	write:		wdt_write,
-	ioctl:		wdt_ioctl,
-	open:		wdt_open,
-	release:	wdt_release,
-};
-
-static struct miscdevice wdt_miscdev = {
-	minor:		WATCHDOG_MINOR,
-	name:		"watchdog",
-	fops:		&wdt_fops,
-};
-
-static char banner[] __initdata = KERN_INFO NAME ": Watchdog Timer version " VERSION "\n";
-
-static int __init watchdog_init(void)
-{
-	int ret;
-
-	ret = misc_register(&wdt_miscdev);
-
-	if (ret)
-		return ret;
-
-	wdt_disable();
-	printk(banner);
-
-	return 0;
-}
-
-static void __exit watchdog_exit(void)
-{
-	misc_deregister(&wdt_miscdev);
-}
-
-module_init(watchdog_init);
-module_exit(watchdog_exit);