diff options
Diffstat (limited to 'recipes/linux/linux-2.6.27/ts72xx/0007-Use-CPLD-watchdog-to-reset.patch')
| -rw-r--r-- | recipes/linux/linux-2.6.27/ts72xx/0007-Use-CPLD-watchdog-to-reset.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/recipes/linux/linux-2.6.27/ts72xx/0007-Use-CPLD-watchdog-to-reset.patch b/recipes/linux/linux-2.6.27/ts72xx/0007-Use-CPLD-watchdog-to-reset.patch new file mode 100644 index 0000000000..c2fbd5c407 --- /dev/null +++ b/recipes/linux/linux-2.6.27/ts72xx/0007-Use-CPLD-watchdog-to-reset.patch @@ -0,0 +1,54 @@ +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 + |