diff options
author | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-10-17 16:32:35 +0000 |
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committer | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-10-17 16:32:35 +0000 |
commit | aed7a79e1110803f56d0d24ecf2a364927370636 (patch) | |
tree | a86c6e1d8bf72ca39a89297f42574d2c94e97169 /target/linux/brcm63xx/patches-2.6.32/020-watchdog.patch | |
parent | f8c314a2455ed986b8d73d1aa7cb61a1448f4077 (diff) |
[brcm63xx] remove 2.6.32 support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23505 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm63xx/patches-2.6.32/020-watchdog.patch')
-rw-r--r-- | target/linux/brcm63xx/patches-2.6.32/020-watchdog.patch | 386 |
1 files changed, 0 insertions, 386 deletions
diff --git a/target/linux/brcm63xx/patches-2.6.32/020-watchdog.patch b/target/linux/brcm63xx/patches-2.6.32/020-watchdog.patch deleted file mode 100644 index 511bce711..000000000 --- a/target/linux/brcm63xx/patches-2.6.32/020-watchdog.patch +++ /dev/null @@ -1,386 +0,0 @@ ---- a/drivers/watchdog/Makefile -+++ b/drivers/watchdog/Makefile -@@ -113,6 +113,7 @@ obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o - obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o - obj-$(CONFIG_AR7_WDT) += ar7_wdt.o - obj-$(CONFIG_TXX9_WDT) += txx9wdt.o -+obj-$(CONFIG_BCM63XX_WDT) += bcm63xx_wdt.o - - # PARISC Architecture - ---- a/drivers/watchdog/Kconfig -+++ b/drivers/watchdog/Kconfig -@@ -850,6 +850,16 @@ config TXX9_WDT - help - Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs. - -+config BCM63XX_WDT -+ tristate "Broadcom BCM63xx hardware watchdog" -+ depends on BCM63XX -+ help -+ Watchdog driver for the built in watchdog hardware in Broadcom -+ BCM63xx SoC. -+ -+ To compile thi driver as a loadable module, choose M here. -+ The module will be called bcm63xx_wdt. -+ - # PARISC Architecture - - # POWERPC Architecture ---- /dev/null -+++ b/drivers/watchdog/bcm63xx_wdt.c -@@ -0,0 +1,354 @@ -+/* -+ * Broadcom BCM63xx SoC watchdog driver -+ * -+ * Copyright (C) 2007, Miguel Gaio <miguel.gaio@efixo.com> -+ * Copyright (C) 2008, Florian Fainelli <florian@openwrt.org> -+ * -+ * 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/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/reboot.h> -+#include <linux/types.h> -+#include <linux/uaccess.h> -+#include <linux/watchdog.h> -+#include <linux/timer.h> -+#include <linux/jiffies.h> -+#include <linux/interrupt.h> -+#include <linux/ptrace.h> -+#include <linux/resource.h> -+#include <linux/platform_device.h> -+ -+#include <bcm63xx_cpu.h> -+#include <bcm63xx_io.h> -+#include <bcm63xx_regs.h> -+#include <bcm63xx_timer.h> -+ -+#define PFX KBUILD_MODNAME -+ -+#define WDT_HZ 50000000 /* Fclk */ -+#define WDT_DEFAULT_TIME 30 /* seconds */ -+#define WDT_MAX_TIME 256 /* seconds */ -+ -+static struct { -+ void __iomem *regs; -+ struct timer_list timer; -+ int default_ticks; -+ unsigned long inuse; -+ atomic_t ticks; -+} bcm63xx_wdt_device; -+ -+static int expect_close; -+ -+static int wdt_time = WDT_DEFAULT_TIME; -+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) ")"); -+ -+/* HW functions */ -+static void bcm63xx_wdt_hw_start(void) -+{ -+ bcm_writel(0xfffffffe, bcm63xx_wdt_device.regs + WDT_DEFVAL_REG); -+ bcm_writel(WDT_START_1, bcm63xx_wdt_device.regs + WDT_CTL_REG); -+ bcm_writel(WDT_START_2, bcm63xx_wdt_device.regs + WDT_CTL_REG); -+} -+ -+static void bcm63xx_wdt_hw_stop(void) -+{ -+ bcm_writel(WDT_STOP_1, bcm63xx_wdt_device.regs + WDT_CTL_REG); -+ bcm_writel(WDT_STOP_2, bcm63xx_wdt_device.regs + WDT_CTL_REG); -+} -+ -+static void bcm63xx_wdt_isr(void *data) -+{ -+ struct pt_regs *regs = get_irq_regs(); -+ -+ die(PFX " fire", regs); -+} -+ -+static void bcm63xx_timer_tick(unsigned long unused) -+{ -+ if (!atomic_dec_and_test(&bcm63xx_wdt_device.ticks)) { -+ bcm63xx_wdt_hw_start(); -+ mod_timer(&bcm63xx_wdt_device.timer, jiffies + HZ); -+ } else -+ printk(KERN_CRIT PFX ": watchdog will restart system\n"); -+} -+ -+static void bcm63xx_wdt_pet(void) -+{ -+ atomic_set(&bcm63xx_wdt_device.ticks, wdt_time); -+} -+ -+static void bcm63xx_wdt_start(void) -+{ -+ bcm63xx_wdt_pet(); -+ bcm63xx_timer_tick(0); -+} -+ -+static void bcm63xx_wdt_pause(void) -+{ -+ del_timer_sync(&bcm63xx_wdt_device.timer); -+ bcm63xx_wdt_hw_stop(); -+} -+ -+static int bcm63xx_wdt_settimeout(int new_time) -+{ -+ if ((new_time <= 0) || (new_time > WDT_MAX_TIME)) -+ return -EINVAL; -+ -+ wdt_time = new_time; -+ -+ return 0; -+} -+ -+static int bcm63xx_wdt_open(struct inode *inode, struct file *file) -+{ -+ if (test_and_set_bit(0, &bcm63xx_wdt_device.inuse)) -+ return -EBUSY; -+ -+ bcm63xx_wdt_start(); -+ return nonseekable_open(inode, file); -+} -+ -+static int bcm63xx_wdt_release(struct inode *inode, struct file *file) -+{ -+ if (expect_close == 42) -+ bcm63xx_wdt_pause(); -+ else { -+ printk(KERN_CRIT PFX -+ ": Unexpected close, not stopping watchdog!\n"); -+ bcm63xx_wdt_start(); -+ } -+ clear_bit(0, &bcm63xx_wdt_device.inuse); -+ expect_close = 0; -+ return 0; -+} -+ -+static ssize_t bcm63xx_wdt_write(struct file *file, const char *data, -+ size_t len, loff_t *ppos) -+{ -+ 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 = 42; -+ } -+ } -+ bcm63xx_wdt_pet(); -+ } -+ return len; -+} -+ -+static struct watchdog_info bcm63xx_wdt_info = { -+ .identity = PFX, -+ .options = WDIOF_SETTIMEOUT | -+ WDIOF_KEEPALIVEPING | -+ WDIOF_MAGICCLOSE, -+}; -+ -+ -+static long bcm63xx_wdt_ioctl(struct file *file, unsigned int cmd, -+ unsigned long arg) -+{ -+ void __user *argp = (void __user *)arg; -+ int __user *p = argp; -+ int new_value, retval = -EINVAL; -+ -+ switch (cmd) { -+ case WDIOC_GETSUPPORT: -+ return copy_to_user(argp, &bcm63xx_wdt_info, -+ sizeof(bcm63xx_wdt_info)) ? -EFAULT : 0; -+ -+ case WDIOC_GETSTATUS: -+ case WDIOC_GETBOOTSTATUS: -+ return put_user(0, p); -+ -+ case WDIOC_SETOPTIONS: -+ if (get_user(new_value, p)) -+ return -EFAULT; -+ -+ if (new_value & WDIOS_DISABLECARD) { -+ bcm63xx_wdt_pause(); -+ retval = 0; -+ } -+ if (new_value & WDIOS_ENABLECARD) { -+ bcm63xx_wdt_start(); -+ retval = 0; -+ } -+ -+ return retval; -+ -+ case WDIOC_KEEPALIVE: -+ bcm63xx_wdt_pet(); -+ return 0; -+ -+ case WDIOC_SETTIMEOUT: -+ if (get_user(new_value, p)) -+ return -EFAULT; -+ -+ if (bcm63xx_wdt_settimeout(new_value)) -+ return -EINVAL; -+ -+ bcm63xx_wdt_pet(); -+ -+ case WDIOC_GETTIMEOUT: -+ return put_user(wdt_time, p); -+ -+ default: -+ return -ENOTTY; -+ -+ } -+} -+ -+static int bcm63xx_wdt_notify_sys(struct notifier_block *this, -+ unsigned long code, void *unused) -+{ -+ if (code == SYS_DOWN || code == SYS_HALT) -+ bcm63xx_wdt_pause(); -+ return NOTIFY_DONE; -+} -+ -+static const struct file_operations bcm63xx_wdt_fops = { -+ .owner = THIS_MODULE, -+ .llseek = no_llseek, -+ .write = bcm63xx_wdt_write, -+ .unlocked_ioctl = bcm63xx_wdt_ioctl, -+ .open = bcm63xx_wdt_open, -+ .release = bcm63xx_wdt_release, -+}; -+ -+static struct miscdevice bcm63xx_wdt_miscdev = { -+ .minor = WATCHDOG_MINOR, -+ .name = "watchdog", -+ .fops = &bcm63xx_wdt_fops, -+}; -+ -+static struct notifier_block bcm63xx_wdt_notifier = { -+ .notifier_call = bcm63xx_wdt_notify_sys, -+}; -+ -+ -+static int bcm63xx_wdt_probe(struct platform_device *pdev) -+{ -+ int ret; -+ struct resource *r; -+ -+ setup_timer(&bcm63xx_wdt_device.timer, bcm63xx_timer_tick, 0L); -+ -+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!r) { -+ printk(KERN_ERR PFX -+ "failed to retrieve resources\n"); -+ return -ENODEV; -+ } -+ -+ bcm63xx_wdt_device.regs = ioremap_nocache(r->start, r->end - r->start); -+ if (!bcm63xx_wdt_device.regs) { -+ printk(KERN_ERR PFX -+ "failed to remap I/O resources\n"); -+ return -ENXIO; -+ } -+ -+ ret = bcm63xx_timer_register(TIMER_WDT_ID, bcm63xx_wdt_isr, NULL); -+ if (ret < 0) { -+ printk(KERN_ERR PFX -+ "failed to register wdt timer isr\n"); -+ goto unmap; -+ } -+ -+ if (bcm63xx_wdt_settimeout(wdt_time)) { -+ bcm63xx_wdt_settimeout(WDT_DEFAULT_TIME); -+ printk(KERN_INFO PFX -+ ": wdt_time value must be 1 <= wdt_time <= 256, using %d\n", -+ wdt_time); -+ } -+ -+ ret = register_reboot_notifier(&bcm63xx_wdt_notifier); -+ if (ret) { -+ printk(KERN_ERR PFX -+ "failed to register reboot_notifier\n"); -+ goto unregister_timer; -+ } -+ -+ ret = misc_register(&bcm63xx_wdt_miscdev); -+ if (ret < 0) { -+ printk(KERN_ERR PFX -+ "failed to register watchdog device\n"); -+ goto unregister_reboot_notifier; -+ } -+ -+ printk(KERN_INFO PFX " started, timer margin: %d sec\n", WDT_DEFAULT_TIME); -+ -+ return 0; -+ -+unregister_reboot_notifier: -+ unregister_reboot_notifier(&bcm63xx_wdt_notifier); -+unregister_timer: -+ bcm63xx_timer_unregister(TIMER_WDT_ID); -+unmap: -+ iounmap(bcm63xx_wdt_device.regs); -+ return ret; -+} -+ -+static int bcm63xx_wdt_remove(struct platform_device *pdev) -+{ -+ if (!nowayout) -+ bcm63xx_wdt_pause(); -+ -+ misc_deregister(&bcm63xx_wdt_miscdev); -+ -+ iounmap(bcm63xx_wdt_device.regs); -+ -+ unregister_reboot_notifier(&bcm63xx_wdt_notifier); -+ bcm63xx_timer_unregister(TIMER_WDT_ID); -+ -+ return 0; -+} -+ -+static struct platform_driver bcm63xx_wdt = { -+ .probe = bcm63xx_wdt_probe, -+ .remove = bcm63xx_wdt_remove, -+ .driver = { -+ .name = "bcm63xx-wdt", -+ } -+}; -+ -+static int __init bcm63xx_wdt_init(void) -+{ -+ return platform_driver_register(&bcm63xx_wdt); -+} -+ -+static void __exit bcm63xx_wdt_exit(void) -+{ -+ platform_driver_unregister(&bcm63xx_wdt); -+} -+ -+module_init(bcm63xx_wdt_init); -+module_exit(bcm63xx_wdt_exit); -+ -+MODULE_AUTHOR("Miguel Gaio <miguel.gaio@efixo.com>"); -+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); -+MODULE_DESCRIPTION("Driver for the Broadcom BCM63xx SoC watchdog"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); -+MODULE_ALIAS("platform:bcm63xx-wdt"); |