resync with kamikaze

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@3844 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 130 insertions, 38 deletions

diff --git a/target/linux/aruba-2.6/patches/000-aruba.patch b/target/linux/aruba-2.6/patches/000-aruba.patch
index 34fbaf2de..7bb8a26d7 100644
--- a/target/linux/aruba-2.6/patches/000-aruba.patch
+++ b/target/linux/aruba-2.6/patches/000-aruba.patch
@@ -45,7 +45,7 @@ diff -Nur linux-2.6.16/arch/mips/aruba/Makefile linux-2.6.16-owrt/arch/mips/arub
 +# .S.o:
 +# 	$(CC) $(CFLAGS) -c $< -o $*.o
 +
-+obj-y	 := prom.o setup.o idtIRQ.o irq.o time.o flash_lock.o wdt_merlot.o
++obj-y	 := prom.o setup.o idtIRQ.o irq.o time.o flash_lock.o
 +obj-$(CONFIG_SERIAL_8250) 		+= serial.o
 +
 +subdir-y         += nvram
@@ -823,6 +823,7 @@ diff -Nur linux-2.6.16/arch/mips/aruba/setup.c linux-2.6.16-owrt/arch/mips/aruba
 + */
 +
 +#include <linux/init.h>
++#include <linux/module.h>
 +#include <linux/mm.h>
 +#include <linux/sched.h>
 +#include <linux/irq.h>
@@ -872,7 +873,6 @@ diff -Nur linux-2.6.16/arch/mips/aruba/setup.c linux-2.6.16-owrt/arch/mips/aruba
 +
 +extern char * getenv(char *e);
 +extern void unlock_ap60_70_flash(void);
-+extern void wdt_merlot_disable(void);
 +
 +void __init plat_setup(void)
 +{
@@ -895,8 +895,6 @@ diff -Nur linux-2.6.16/arch/mips/aruba/setup.c linux-2.6.16-owrt/arch/mips/aruba
 +
 +	printk("BOARD - %s\n",getenv("boardname"));
 +
-+	wdt_merlot_disable();
-+
 +	return 0;
 +}
 +
@@ -909,6 +907,8 @@ diff -Nur linux-2.6.16/arch/mips/aruba/setup.c linux-2.6.16-owrt/arch/mips/aruba
 +{
 +	return "MIPS IDT32434 - ARUBA";
 +}
++
++EXPORT_SYMBOL(get_system_type);
 diff -Nur linux-2.6.16/arch/mips/aruba/time.c linux-2.6.16-owrt/arch/mips/aruba/time.c
 --- linux-2.6.16/arch/mips/aruba/time.c	1970-01-01 01:00:00.000000000 +0100
 +++ linux-2.6.16-owrt/arch/mips/aruba/time.c	2006-03-20 14:25:10.000000000 +0100
@@ -1021,40 +1021,6 @@ diff -Nur linux-2.6.16/arch/mips/aruba/time.c linux-2.6.16-owrt/arch/mips/aruba/
 +	timer_interrupt(irq, NULL, regs);
 +	irq_exit();
 +}
-diff -Nur linux-2.6.16/arch/mips/aruba/wdt_merlot.c linux-2.6.16-owrt/arch/mips/aruba/wdt_merlot.c
---- linux-2.6.16/arch/mips/aruba/wdt_merlot.c	1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.16-owrt/arch/mips/aruba/wdt_merlot.c	2006-03-20 14:25:10.000000000 +0100
-@@ -0,0 +1,30 @@
-+#include <linux/config.h>
-+#include <linux/kernel.h>
-+#include <asm/bootinfo.h>
-+
-+void wdt_merlot_disable()
-+{
-+	volatile __u32 *wdt_errcs;
-+	volatile __u32 *wdt_wtc;
-+	volatile __u32 *wdt_ctl;
-+	volatile __u32 val;
-+
-+	switch (mips_machtype) {
-+		case MACH_ARUBA_AP70:
-+			wdt_errcs = (__u32 *) 0xb8030030;
-+			wdt_wtc = (__u32 *) 0xb803003c;
-+			val = *wdt_errcs;
-+			val &= ~0x201;
-+			*wdt_errcs = val;
-+			val = *wdt_wtc;
-+			val &= ~0x1;
-+			*wdt_wtc = val;
-+			break;
-+		case MACH_ARUBA_AP65:
-+		case MACH_ARUBA_AP60:
-+		default:
-+			wdt_ctl = (__u32 *) 0xbc003008;
-+			*wdt_ctl = 0;
-+			break;
-+	}
-+}
 diff -Nur linux-2.6.16/arch/mips/Kconfig linux-2.6.16-owrt/arch/mips/Kconfig
 --- linux-2.6.16/arch/mips/Kconfig	2006-03-20 06:53:29.000000000 +0100
 +++ linux-2.6.16-owrt/arch/mips/Kconfig	2006-03-20 14:25:10.000000000 +0100
diff --git a/target/linux/aruba-2.6/patches/004-wdt.patch b/target/linux/aruba-2.6/patches/004-wdt.patch
new file mode 100644
index 000000000..15fbffa04
--- /dev/null
+++ b/target/linux/aruba-2.6/patches/004-wdt.patch
@@ -0,0 +1,126 @@
+diff -Nur linux-2.6.15.1/drivers/char/watchdog/wdt_merlot.c linux-2.6.15.1-openwrt/drivers/char/watchdog/wdt_merlot.c
+--- linux-2.6.15.1/drivers/char/watchdog/wdt_merlot.c	2006-01-26 21:14:02.204626250 -0800
++++ linux-2.6.15.1-openwrt/drivers/char/watchdog/wdt_merlot.c	2006-02-02 20:31:43.000000000 -0800
+@@ -0,0 +1,110 @@
++#include <linux/config.h>
++#include <linux/module.h>
++#include <linux/types.h>
++#include <linux/miscdevice.h>
++#include <linux/watchdog.h>
++#include <linux/fs.h>
++
++#include <asm/io.h>
++#include <asm/uaccess.h>
++#include <asm/system.h>
++#include <asm/bootinfo.h>
++
++extern unsigned long mips_machtype;
++
++static unsigned long wdt_is_open;
++static struct timer_list wdt_timer;
++
++static void wdt_merlot_refresh(void)
++{
++    volatile __u32 *wdt;
++    switch (mips_machtype) {
++    case MACH_ARUBA_AP70:
++	wdt = (__u32 *) 0xb8030034;
++	*wdt = 0x10000000;
++	break;
++    default:
++	wdt = (__u32 *) 0xbc00300c;
++	*wdt = 0x40000000;
++	break;
++    }
++}
++
++static void wdt_merlot_timer_fn(unsigned long data)
++{
++    wdt_merlot_refresh();
++    if (!test_bit(1, &wdt_is_open))
++	mod_timer(&wdt_timer, jiffies + HZ);
++}
++
++static int wdt_merlot_setup_timer(void)
++{
++
++    init_timer(&wdt_timer);
++    wdt_timer.function = wdt_merlot_timer_fn;
++    wdt_timer.data = 0;
++    wdt_timer.expires = jiffies + HZ;
++    add_timer(&wdt_timer);
++    return 0;
++}
++
++static int wdt_open(struct inode *inode, struct file *file)
++{
++    if (test_and_set_bit(0, &wdt_is_open))
++	return -EBUSY;
++    set_bit(1, &wdt_is_open);
++    return nonseekable_open(inode, file);
++}
++
++static ssize_t wdt_write(struct file *file, const char __user * buf, size_t count, loff_t * ppos)
++{
++    if (count) 	/* something was written */
++	wdt_merlot_refresh();
++    return count;
++}
++
++static int wdt_release(struct inode *inode, struct file *file)
++{
++    clear_bit(0, &wdt_is_open);
++    return 0;
++}
++
++static struct file_operations wdt_fops = {
++    .owner = THIS_MODULE,
++    .llseek = no_llseek,
++    .write = wdt_write,
++    .open = wdt_open,
++    .release = wdt_release,
++};
++
++static struct miscdevice wdt_miscdev = {
++    .minor = WATCHDOG_MINOR,
++    .name = "watchdog",
++    .fops = &wdt_fops,
++};
++
++static void __exit wdt_exit(void)
++{
++    misc_deregister(&wdt_miscdev);
++}
++
++static int __init wdt_init(void)
++{
++    int ret;
++    ret = misc_register(&wdt_miscdev);
++    if (ret) {
++	printk(KERN_ERR
++	       "wdt: cannot register miscdev on minor=%d (err=%d)\n",
++	       WATCHDOG_MINOR, ret);
++	misc_deregister(&wdt_miscdev);
++	goto out;
++    }
++    printk("wdt: registered with refresh\n");
++    wdt_merlot_refresh();
++    wdt_merlot_setup_timer();
++  out:
++    return ret;
++}
++
++module_init(wdt_init);
++module_exit(wdt_exit);
+diff -Nur linux-2.6.15.3/drivers/char/watchdog/Makefile linux-2.6.15.3-openwrt/drivers/char/watchdog/Makefile
+--- linux-2.6.15.3/drivers/char/watchdog/Makefile	2006-02-22 10:04:18.596278000 -0800
++++ linux-2.6.15.3-openwrt/drivers/char/watchdog/Makefile	2006-02-22 10:06:21.400960000 -0800
+@@ -71,5 +71,8 @@
+ 
+ # SPARC64 Architecture
+ 
++# Aruba Architecture
++obj-$(CONFIG_MACH_ARUBA) += wdt_merlot.o
++
+ # Architecture Independant
+ obj-$(CONFIG_SOFT_WATCHDOG) += softdog.o