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-rw-r--r--target/linux/lantiq/patches/250-watchdog.patch246
1 files changed, 0 insertions, 246 deletions
diff --git a/target/linux/lantiq/patches/250-watchdog.patch b/target/linux/lantiq/patches/250-watchdog.patch
deleted file mode 100644
index 96875db..0000000
--- a/target/linux/lantiq/patches/250-watchdog.patch
+++ /dev/null
@@ -1,246 +0,0 @@
---- a/drivers/watchdog/Kconfig
-+++ b/drivers/watchdog/Kconfig
-@@ -930,6 +930,12 @@
- To compile this driver as a loadable module, choose M here.
- The module will be called bcm63xx_wdt.
-
-+config LANTIQ_WDT
-+ bool "Lantiq SoC watchdog"
-+ depends on LANTIQ
-+ help
-+ Hardware driver for the Lantiq SoC Watchdog Timer.
-+
- # PARISC Architecture
-
- # POWERPC Architecture
---- a/drivers/watchdog/Makefile
-+++ b/drivers/watchdog/Makefile
-@@ -119,6 +119,7 @@
- obj-$(CONFIG_TXX9_WDT) += txx9wdt.o
- obj-$(CONFIG_OCTEON_WDT) += octeon-wdt.o
- octeon-wdt-y := octeon-wdt-main.o octeon-wdt-nmi.o
-+obj-$(CONFIG_LANTIQ_WDT) += lantiq_wdt.o
-
- # PARISC Architecture
-
---- /dev/null
-+++ b/drivers/watchdog/lantiq_wdt.c
-@@ -0,0 +1,218 @@
-+/*
-+ * 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.
-+ *
-+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
-+ * Based on EP93xx wdt driver
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/fs.h>
-+#include <linux/miscdevice.h>
-+#include <linux/miscdevice.h>
-+#include <linux/watchdog.h>
-+#include <linux/platform_device.h>
-+#include <linux/uaccess.h>
-+#include <linux/clk.h>
-+
-+#include <lantiq.h>
-+
-+#define LQ_WDT_PW1 0x00BE0000
-+#define LQ_WDT_PW2 0x00DC0000
-+
-+#define LQ_BIU_WDT_CR 0x0
-+#define LQ_BIU_WDT_SR 0x8
-+
-+#ifndef CONFIG_WATCHDOG_NOWAYOUT
-+static int wdt_ok_to_close;
-+#endif
-+
-+static int wdt_timeout = 30;
-+static __iomem void *wdt_membase = NULL;
-+static unsigned long io_region_clk = 0;
-+
-+static int
-+lq_wdt_enable(unsigned int timeout)
-+{
-+/* printk("%s:%s[%d] %08X\n",
-+ __FILE__, __func__, __LINE__,
-+ lq_r32(wdt_membase + LQ_BIU_WDT_SR));
-+ if(!lq_r32(wdt_membase + LQ_BIU_WDT_SR))
-+ {
-+*/ lq_w32(LQ_WDT_PW1, wdt_membase + LQ_BIU_WDT_CR);
-+ lq_w32(LQ_WDT_PW2 |
-+ (0x3 << 26) | /* PWL */
-+ (0x3 << 24) | /* CLKDIV */
-+ (0x1 << 31) | /* enable */
-+ ((timeout * (io_region_clk / 0x40000)) + 0x1000), /* reload */
-+ wdt_membase + LQ_BIU_WDT_CR);
-+// }
-+ return 0;
-+}
-+
-+static void
-+lq_wdt_disable(void)
-+{
-+#ifndef CONFIG_WATCHDOG_NOWAYOUT
-+ wdt_ok_to_close = 0;
-+#endif
-+ lq_w32(LQ_WDT_PW1, wdt_membase + LQ_BIU_WDT_CR);
-+ lq_w32(LQ_WDT_PW2, wdt_membase+ LQ_BIU_WDT_CR);
-+}
-+
-+static ssize_t
-+lq_wdt_write(struct file *file, const char __user *data,
-+ size_t len, loff_t *ppos)
-+{
-+ size_t i;
-+
-+ if (!len)
-+ return 0;
-+
-+#ifndef CONFIG_WATCHDOG_NOWAYOUT
-+ for (i = 0; i != len; i++) {
-+ char c;
-+ if (get_user(c, data + i))
-+ return -EFAULT;
-+ if (c == 'V')
-+ wdt_ok_to_close = 1;
-+ }
-+#endif
-+ lq_wdt_enable(wdt_timeout);
-+ return len;
-+}
-+
-+static struct watchdog_info ident = {
-+ .options = WDIOF_MAGICCLOSE,
-+ .identity = "lq_wdt",
-+};
-+
-+static int
-+lq_wdt_ioctl(struct file *file,
-+ unsigned int cmd, unsigned long arg)
-+{
-+ int ret = -ENOTTY;
-+
-+ switch (cmd) {
-+ case WDIOC_GETSUPPORT:
-+ ret = copy_to_user((struct watchdog_info __user *)arg, &ident,
-+ sizeof(ident)) ? -EFAULT : 0;
-+ break;
-+
-+ case WDIOC_GETTIMEOUT:
-+ ret = put_user(wdt_timeout, (int __user *)arg);
-+ break;
-+
-+ case WDIOC_SETTIMEOUT:
-+ ret = get_user(wdt_timeout, (int __user *)arg);
-+ break;
-+
-+ case WDIOC_KEEPALIVE:
-+ lq_wdt_enable(wdt_timeout);
-+ ret = 0;
-+ break;
-+ }
-+ return ret;
-+}
-+
-+static int
-+lq_wdt_open(struct inode *inode, struct file *file)
-+{
-+ lq_wdt_enable(wdt_timeout);
-+ return nonseekable_open(inode, file);
-+}
-+
-+static int
-+lq_wdt_release(struct inode *inode, struct file *file)
-+{
-+#ifndef CONFIG_WATCHDOG_NOWAYOUT
-+ if (wdt_ok_to_close)
-+ lq_wdt_disable();
-+ else
-+#endif
-+ printk(KERN_ERR "lq_wdt: watchdog closed without warning,"
-+ " rebooting system\n");
-+ return 0;
-+}
-+
-+static const struct file_operations lq_wdt_fops = {
-+ .owner = THIS_MODULE,
-+ .write = lq_wdt_write,
-+ .unlocked_ioctl = lq_wdt_ioctl,
-+ .open = lq_wdt_open,
-+ .release = lq_wdt_release,
-+};
-+
-+static struct miscdevice lq_wdt_miscdev = {
-+ .minor = WATCHDOG_MINOR,
-+ .name = "watchdog",
-+ .fops = &lq_wdt_fops,
-+};
-+
-+static int
-+lq_wdt_probe(struct platform_device *pdev)
-+{
-+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ struct clk *clk;
-+ int ret = 0;
-+ if(!res)
-+ return -ENOENT;
-+ res = request_mem_region(res->start, resource_size(res),
-+ dev_name(&pdev->dev));
-+ if(!res)
-+ return -EBUSY;
-+ wdt_membase = ioremap_nocache(res->start, resource_size(res));
-+ if(!wdt_membase)
-+ {
-+ ret = -ENOMEM;
-+ goto err_release_mem_region;
-+ }
-+ clk = clk_get(&pdev->dev, "io");
-+ io_region_clk = clk_get_rate(clk);;
-+ ret = misc_register(&lq_wdt_miscdev);
-+ if(!ret)
-+ return 0;
-+
-+ iounmap(wdt_membase);
-+err_release_mem_region:
-+ release_mem_region(res->start, resource_size(res));
-+ return ret;
-+}
-+
-+static int
-+lq_wdt_remove(struct platform_device *dev)
-+{
-+ lq_wdt_disable();
-+ misc_deregister(&lq_wdt_miscdev);
-+ return 0;
-+}
-+
-+static struct platform_driver lq_wdt_driver = {
-+ .probe = lq_wdt_probe,
-+ .remove = lq_wdt_remove,
-+ .driver = {
-+ .name = "lq_wdt",
-+ .owner = THIS_MODULE,
-+ },
-+};
-+
-+static int __init
-+init_lq_wdt(void)
-+{
-+ return platform_driver_register(&lq_wdt_driver);
-+}
-+
-+static void __exit
-+exit_lq_wdt(void)
-+{
-+ platform_driver_unregister(&lq_wdt_driver);
-+}
-+
-+module_init(init_lq_wdt);
-+module_exit(exit_lq_wdt);
-+
-+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
-+MODULE_DESCRIPTION("ifxmips Watchdog");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);