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From fca24d7cd93b7282d139cb91c0f4d62b1a95a985 Mon Sep 17 00:00:00 2001
From: =?utf-8?q?Petr=20=C5=A0tetiar?= <ynezz@true.cz>
Date: Sat, 3 Jan 2009 21:36:36 +0100
Subject: [PATCH] Use CPLD watchdog to reset
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Use CPLD watchdog to reset the machine instead of buggy ep93xx one, which
sometimes get stuck...
Signed-off-by: Petr Štetiar <ynezz@true.cz>
---
arch/arm/mach-ep93xx/include/mach/system.h | 17 ++++++++++++-----
1 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/arch/arm/mach-ep93xx/include/mach/system.h b/arch/arm/mach-ep93xx/include/mach/system.h
index 67789d0..5d85094 100644
--- a/arch/arm/mach-ep93xx/include/mach/system.h
+++ b/arch/arm/mach-ep93xx/include/mach/system.h
@@ -3,6 +3,7 @@
*/
#include <mach/hardware.h>
+#include <asm/mach-types.h>
static inline void arch_idle(void)
{
@@ -15,11 +16,17 @@ static inline void arch_reset(char mode)
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)
;
--
1.6.0.4
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