[ARM] at91: correct value for AT91_RSTC_KEY

- 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@linutronix.de>
Acked-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 3 insertions, 4 deletions

diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 003c27c2ef65..6ea41d8266cb 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -259,7 +259,7 @@ static struct at91_gpio_bank at91sam9260_gpio[] = {
 
 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);
 }
 
 
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index 1a9102368f11..784d1e682d6d 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -225,7 +225,7 @@ static struct at91_gpio_bank at91sam9261_gpio[] = {
 
 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);
 }
 
 
diff --git a/include/asm-arm/arch-at91/at91_rstc.h b/include/asm-arm/arch-at91/at91_rstc.h
index 0b7afbc015a2..fb8d1618a231 100644
--- a/include/asm-arm/arch-at91/at91_rstc.h
+++ b/include/asm-arm/arch-at91/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