diff options
Diffstat (limited to 'target/linux/x86-2.4/patches/002-wd1100.patch')
-rw-r--r-- | target/linux/x86-2.4/patches/002-wd1100.patch | 417 |
1 files changed, 0 insertions, 417 deletions
diff --git a/target/linux/x86-2.4/patches/002-wd1100.patch b/target/linux/x86-2.4/patches/002-wd1100.patch deleted file mode 100644 index 8cb2dbd04b..0000000000 --- a/target/linux/x86-2.4/patches/002-wd1100.patch +++ /dev/null @@ -1,417 +0,0 @@ -diff -Nur linux-2.4.29/drivers/char/Config.in linux-2.4.29_geode/drivers/char/Config.in ---- linux-2.4.29/drivers/char/Config.in Sun Aug 8 01:26:04 2004 -+++ linux-2.4.29_geode/drivers/char/Config.in Tue Feb 15 23:41:54 2005 -@@ -270,6 +270,7 @@ - fi - fi - tristate ' ZF MachZ Watchdog' CONFIG_MACHZ_WDT -+ tristate ' Embedded NatSemi SC1x00 Watchdog' CONFIG_WD1100 - if [ "$CONFIG_SGI_IP22" = "y" ]; then - dep_tristate ' Indy/I2 Hardware Watchdog' CONFIG_INDYDOG $CONFIG_SGI_IP22 - fi -diff -Nur linux-2.4.29/drivers/char/Makefile linux-2.4.29_geode/drivers/char/Makefile ---- linux-2.4.29/drivers/char/Makefile Sun Aug 8 01:26:04 2004 -+++ linux-2.4.29_geode/drivers/char/Makefile Tue Feb 15 23:41:54 2005 -@@ -302,6 +302,7 @@ - obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o - obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o - obj-$(CONFIG_IB700_WDT) += ib700wdt.o -+obj-$(CONFIG_WD1100) += wd1100.o - obj-$(CONFIG_MIXCOMWD) += mixcomwd.o - obj-$(CONFIG_60XX_WDT) += sbc60xxwdt.o - obj-$(CONFIG_W83877F_WDT) += w83877f_wdt.o -diff -Nur linux-2.4.29/drivers/char/wd1100.c linux-2.4.29_geode/drivers/char/wd1100.c ---- linux-2.4.29/drivers/char/wd1100.c Thu Jan 1 01:00:00 1970 -+++ linux-2.4.29_geode/drivers/char/wd1100.c Tue Feb 15 23:41:54 2005 -@@ -0,0 +1,391 @@ -+/* -+ * National Semiconductor SC1x00 CPU watchdog driver -+ * Copyright (c) Inprimis Technologies 2002 -+ * -+ * by Mark Grosberg <markg@inprimis.com> -+ * and Rolando Goldman <rolandog@inprimis.com> -+ * -+ * Minor changes by Kianusch Sayah Karadji <kianusch@sk-tech.net> -+ * ( Soekris net4801 Support, module-parameter ) -+ * -+ * 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/kernel.h> -+#include <linux/fs.h> -+#include <linux/mm.h> -+#include <linux/miscdevice.h> -+#include <linux/watchdog.h> -+#include <linux/spinlock.h> -+#include <linux/sysctl.h> -+#include <linux/pci.h> -+ -+/* -+ * Since the SC1100 is an x86 clone, we don't even bother with -+ * allowing other architectures to compile us. -+ */ -+#ifndef CONFIG_X86 -+# error Sorry this driver is only for x86. -+#endif -+ -+#include <asm/system.h> -+#include <asm/io.h> -+#include <asm/uaccess.h> -+#include <asm/processor.h> -+ -+/* #define DEBUG_WD1100 */ -+ -+static int proc_wd_timeout(ctl_table *ctl, -+ int write, -+ struct file *file, -+ void *buffer, -+ size_t *lenp); -+static int proc_wd_graceful(ctl_table *ctl, -+ int write, -+ struct file *file, -+ void *buffer, -+ size_t *lenp); -+ -+/* Register definitions */ -+ -+#define SC1100_F5_VENDOR_ID 0x100B -+#define SC1100_F5_DEVICE_ID 0x0515 -+ -+#define CPU_WDTO_REG 0x00 /* watchdog time out, 16 bit register */ -+#define CPU_WDCNFG_REG 0x02 /* watchdog config , 16 bit register */ -+#define CPU_WDSTS_REG 0x04 /* watchdog status , 8 bit register */ -+ -+/* Default timeout: 4 seconds (changeable via sysctl) */ -+static unsigned int sysctl_wd_timeout = 0; -+static unsigned int sysctl_wd_graceful = 0; -+ -+static unsigned int timeout = 4; -+static unsigned int graceful = 1; -+ -+MODULE_PARM (timeout, "i"); -+MODULE_PARM (graceful, "i"); -+ -+static int in_use = 0; -+static unsigned short cpu_base; -+static spinlock_t wd_lock; -+ -+/**************************************************************************/ -+ -+/* XXX To-do: DEV_WATCHDOG must be in include/linux/sysctl.h */ -+enum -+{ DEV_WATCHDOG = 6 }; -+ -+enum -+{ -+ DEV_WD_TIMEOUT = 1, -+ DEV_WD_GRACEFUL = 2 -+}; -+ -+static struct ctl_table_header *wd_table_header; -+ -+static ctl_table wd_table[] = { -+ { -+ DEV_WD_TIMEOUT, "timeout", -+ &sysctl_wd_timeout, sizeof(int), 0644, NULL, &proc_wd_timeout -+ }, -+ -+ { -+ DEV_WD_GRACEFUL, "graceful", -+ &sysctl_wd_graceful, sizeof(int), 0644, NULL, &proc_wd_graceful -+ }, -+ -+ {0} -+}; -+ -+static ctl_table wd_dir_table[] = { -+ {DEV_WATCHDOG, "wd", NULL, 0, 0555, wd_table}, -+ {0} -+}; -+ -+static ctl_table wd_root_table[] = { -+ {CTL_DEV, "dev", NULL, 0, 0555, wd_dir_table}, -+ {0} -+}; -+ -+static int proc_wd_timeout(ctl_table *ctl, -+ int write, -+ struct file *file, -+ void *buffer, -+ size_t *lenp) -+{ -+ int rc; -+ -+ rc = proc_dointvec(ctl, write, file, buffer, lenp); -+ if (write && (rc == 0)) -+ { -+ /* Clamp to limits. */ -+ if (sysctl_wd_timeout < 1) -+ sysctl_wd_timeout = 1; -+ else if (sysctl_wd_timeout > 65535) -+ sysctl_wd_timeout = 65535; -+ } -+ -+ return (rc); -+} -+ -+static int proc_wd_graceful(ctl_table *ctl, -+ int write, -+ struct file *file, -+ void *buffer, -+ size_t *lenp) -+{ -+ int rc; -+ -+ rc = proc_dointvec(ctl, write, file, buffer, lenp); -+ if (write && (rc == 0)) -+ { -+ /* Clamp to true/false. */ -+ if (sysctl_wd_graceful) -+ sysctl_wd_graceful = 1; -+ } -+ -+ return (rc); -+} -+ -+/**************************************************************************/ -+ -+static __inline__ void reset_wd(void) -+{ -+ outw(sysctl_wd_timeout * 8, cpu_base + CPU_WDTO_REG); -+} -+ -+static int reboot_reason(void) -+{ -+ static int result; -+ static int fetched = 0; -+ -+ if (!fetched) -+ { -+ unsigned char sr; -+ -+ sr = inb(cpu_base + CPU_WDSTS_REG); -+ outb(sr | 1, cpu_base + CPU_WDSTS_REG); -+ -+ fetched = 1; -+ } -+ -+ return (result); -+} -+ -+static struct watchdog_info wd_info = -+{ -+ 0, /* Options */ -+ 0, /* Firmware version */ -+ "NSC SC1x00 WD" -+}; -+ -+static int wd_ioctl(struct inode *inode, -+ struct file *file, -+ unsigned int cmd, -+ unsigned long arg) -+{ -+ int i; -+ -+ switch (cmd) -+ { -+ default: -+ return (-ENOTTY); -+ -+ case WDIOC_GETSUPPORT: -+ i = verify_area(VERIFY_WRITE, (void *)arg, sizeof(struct watchdog_info)); -+ if (i) -+ return (i); -+ else -+ return copy_to_user((struct watchdog_info *)arg, -+ &wd_info, -+ sizeof(wd_info)); -+ break; -+ -+ case WDIOC_KEEPALIVE: -+ reset_wd(); -+ return (0); -+ -+ case WDIOC_GETBOOTSTATUS: -+ i = reboot_reason(); -+ return (put_user(i, (int *)arg)); -+ -+ case WDIOC_GETSTATUS: -+ i = inw(cpu_base + CPU_WDTO_REG) / 8; -+ return (put_user(i, (int *)arg)); -+ } -+} -+ -+static int wd_open(struct inode *inode, -+ struct file *file) -+{ -+ spin_lock(&wd_lock); -+ if (in_use) -+ { -+ spin_unlock(&wd_lock); -+ return (-EBUSY); -+ } -+ else -+ in_use++; -+ -+ spin_unlock(&wd_lock); -+ -+ MOD_INC_USE_COUNT; -+ -+ /* -+ * Configure the chip to do a reset if the timer goes to 0. -+ * Set the clock divisor to 4096. -+ */ -+ -+ outw(0xfc, cpu_base + CPU_WDCNFG_REG); -+ -+ /* Start the watchdog: It won't run until we write the TO reg. */ -+ reset_wd(); -+ -+ return (0); -+} -+ -+static int wd_release(struct inode *inode, -+ struct file *file) -+{ -+ spin_lock(&wd_lock); -+ -+ in_use = 0; -+ -+ /* -+ * If graceful shutdown is not set, then don't bother to stop the -+ * watchdog timer. This handles the scenario where the user process -+ * that is poking the watchdog gets terminated due to some error -+ * (say a SEGV or some VM condition). -+ * -+ * In that case, the kernel would happily close the descriptor for -+ * us and leave us in a state where we aren't watching the dog... -+ * -+ * To work around this, the "graceful" sysctl prevents reset of the -+ * watchdog on close. -+ */ -+ if (sysctl_wd_graceful) -+ outw(0, cpu_base + CPU_WDCNFG_REG); -+ -+ spin_unlock(&wd_lock); -+ MOD_DEC_USE_COUNT; -+ -+ return (0); -+} -+ -+static ssize_t wd_write(struct file *file, -+ const char *data, -+ size_t len, -+ loff_t *ppos) -+{ -+ /* Device is non-seekable. */ -+ if (ppos != &file->f_pos) -+ return (-ESPIPE); -+ -+ if (len > 0) -+ reset_wd(); -+ -+ return (len); -+} -+ -+static struct file_operations wd_fops= -+{ -+ owner: THIS_MODULE, -+ write: wd_write, -+ ioctl: wd_ioctl, -+ open: wd_open, -+ release: wd_release, -+}; -+ -+static struct miscdevice sc1x00wd_miscdev= -+{ -+ WATCHDOG_MINOR, -+ "watchdog", -+ &wd_fops -+}; -+ -+static int __init wd_init(void) -+{ -+ int ret; -+ struct pci_dev *dev; -+ unsigned int cw; -+ -+ if (timeout < 1) -+ timeout = 1; -+ else if (timeout > 65535) -+ timeout = 65535; -+ -+ if (graceful != 0) -+ graceful = 1; -+ -+ sysctl_wd_timeout=timeout; -+ sysctl_wd_graceful=graceful; -+ -+ if ((strcmp(boot_cpu_data.x86_vendor_id, "Geode by NSC") != 0) -+ || ((boot_cpu_data.x86_model != 4) && boot_cpu_data.x86_model != 9)) -+ { -+ printk(KERN_WARNING "wd1100.c: This is not an SC1100 processor!\n"); -+ return (0); -+ } -+ -+ /* get the CONFIG BLOCK ADDRESS from scratch pad register */ -+ dev = pci_find_device(SC1100_F5_VENDOR_ID,SC1100_F5_DEVICE_ID,0); -+ if (dev == NULL) -+ { -+ printk(KERN_ERR "wd1100.c: Can not find bridge device.\n"); -+ return (0); -+ } -+ -+ pci_read_config_dword(dev, 0x64, &cw); -+ cpu_base = (unsigned short )cw; -+ -+#ifdef DEBUG_WD1100 -+ printk("wd1100.c: CPU base = 0x%X\n", (unsigned int )cpu_base); -+#endif -+ -+ printk(KERN_INFO "SC1x00 Watchdog driver by Inprimis Technolgies.\n"); -+ /* -+ * We must call reboot_reason() to reset the flag in the WD. -+ * -+ * Even though it is available as an ioctl(), we call it during -+ * module initialization to perform the clear. You can take out -+ * the printk(), but don't take out the call to reboot_reason(). -+ */ -+ if (reboot_reason()) -+ printk(KERN_INFO "Last reboot was by watchdog!\n"); -+ -+ spin_lock_init(&wd_lock); -+ -+ ret = misc_register(&sc1x00wd_miscdev); -+ if (ret) -+ printk(KERN_ERR "wd1100.c: Can't register device.\n"); -+ else -+ { -+ wd_table_header = register_sysctl_table(wd_root_table, 1); -+ if (wd_table_header == NULL) -+ printk(KERN_ERR "wd1100.c: Can't register sysctl.\n"); -+ } -+ -+ return 0; -+} -+ -+static void __exit wd_exit(void) -+{ -+ if (wd_table_header != NULL) -+ unregister_sysctl_table(wd_table_header); -+ -+ misc_deregister(&sc1x00wd_miscdev); -+} -+ -+EXPORT_NO_SYMBOLS; -+ -+module_init(wd_init); -+module_exit(wd_exit); -+ -+MODULE_LICENSE("GPL"); -+ |