[PATCH 2.6.20-rc7] at91: correct value for AT91_RSTC_KEY

From: Jan Altenberg
Date: Thu Feb 01 2007 - 11:17:53 EST


- Remove a duplicated define for AT91_RSTC_KEY
- Set AT91_RSTC_KEY to the correct value
- Replace the hardcoded keys in at91sam9620.c and at91sam9261.c
by AT91_RSTC_KEY

Signed-off-by: Jan Altenberg <jan@xxxxxxxxxxxxx>

---
arch/arm/mach-at91rm9200/at91sam9260.c | 2 +-
arch/arm/mach-at91rm9200/at91sam9261.c | 2 +-
include/asm-arm/arch-at91rm9200/at91_rstc.h | 3 +--
3 files changed, 3 insertions(+), 4 deletions(-)

Index: linux-2.6/arch/arm/mach-at91rm9200/at91sam9260.c
===================================================================
--- linux-2.6.orig/arch/arm/mach-at91rm9200/at91sam9260.c
+++ linux-2.6/arch/arm/mach-at91rm9200/at91sam9260.c
@@ -213,7 +213,7 @@ static struct at91_gpio_bank at91sam9260

static void at91sam9260_reset(void)
{
- at91_sys_write(AT91_RSTC_CR, (0xA5 << 24) | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
+ at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
}


Index: linux-2.6/arch/arm/mach-at91rm9200/at91sam9261.c
===================================================================
--- linux-2.6.orig/arch/arm/mach-at91rm9200/at91sam9261.c
+++ linux-2.6/arch/arm/mach-at91rm9200/at91sam9261.c
@@ -208,7 +208,7 @@ static struct at91_gpio_bank at91sam9261

static void at91sam9261_reset(void)
{
- at91_sys_write(AT91_RSTC_CR, (0xA5 << 24) | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
+ at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
}


Index: linux-2.6/include/asm-arm/arch-at91rm9200/at91_rstc.h
===================================================================
--- linux-2.6.orig/include/asm-arm/arch-at91rm9200/at91_rstc.h
+++ linux-2.6/include/asm-arm/arch-at91rm9200/at91_rstc.h
@@ -17,7 +17,7 @@
#define AT91_RSTC_PROCRST (1 << 0) /* Processor Reset */
#define AT91_RSTC_PERRST (1 << 2) /* Peripheral Reset */
#define AT91_RSTC_EXTRST (1 << 3) /* External Reset */
-#define AT91_RSTC_KEY (0xff << 24) /* KEY Password */
+#define AT91_RSTC_KEY (0xa5 << 24) /* KEY Password */

#define AT91_RSTC_SR (AT91_RSTC + 0x04) /* Reset Controller Status Register */
#define AT91_RSTC_URSTS (1 << 0) /* User Reset Status */
@@ -34,6 +34,5 @@
#define AT91_RSTC_URSTEN (1 << 0) /* User Reset Enable */
#define AT91_RSTC_URSTIEN (1 << 4) /* User Reset Interrupt Enable */
#define AT91_RSTC_ERSTL (0xf << 8) /* External Reset Length */
-#define AT91_RSTC_KEY (0xff << 24) /* KEY Password */

#endif


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