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Use CPLD watchdog to reset the machine instead of buggy ep93xx one, which
sometimes get stuck...
Signed-off-by: Petr Stetiar <ynezz@true.cz>
Index: linux-2.6.22/include/asm-arm/arch-ep93xx/system.h
===================================================================
--- linux-2.6.22.orig/include/asm-arm/arch-ep93xx/system.h 2007-08-30 00:53:47.000000000 +0200
+++ linux-2.6.22/include/asm-arm/arch-ep93xx/system.h 2007-08-30 00:54:28.000000000 +0200
@@ -3,6 +3,7 @@
*/
#include <asm/hardware.h>
+#include <asm/mach-types.h>
static inline void arch_idle(void)
{
@@ -15,11 +16,17 @@
local_irq_disable();
- devicecfg = __raw_readl(EP93XX_SYSCON_DEVICE_CONFIG);
- __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
- __raw_writel(devicecfg | 0x80000000, EP93XX_SYSCON_DEVICE_CONFIG);
- __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
- __raw_writel(devicecfg & ~0x80000000, EP93XX_SYSCON_DEVICE_CONFIG);
+ if (machine_is_ts72xx()) {
+ __raw_writeb(0x5, TS72XX_WATCHDOG_FEED_PHYS_BASE);
+ __raw_writeb(0x1, TS72XX_WATCHDOG_CONTROL_PHYS_BASE);
+ } else {
+ devicecfg = __raw_readl(EP93XX_SYSCON_DEVICE_CONFIG);
+ __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
+ __raw_writel(devicecfg | 0x80000000, EP93XX_SYSCON_DEVICE_CONFIG);
+ __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
+ __raw_writel(devicecfg & ~0x80000000, EP93XX_SYSCON_DEVICE_CONFIG);
+ }
+
while (1)
;
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