at91: add defines for RTT and GPBR

Signed-off-by: Alexander Holler <holler@ahsoftware.de>
diff --git a/arch/arm/include/asm/arch-at91/at91sam9260.h b/arch/arm/include/asm/arch-at91/at91sam9260.h
index a60a081..ec04318 100644
--- a/arch/arm/include/asm/arch-at91/at91sam9260.h
+++ b/arch/arm/include/asm/arch-at91/at91sam9260.h
@@ -56,8 +56,10 @@
 #define AT91_PIO_BASE		0xfffff400
 #define AT91_PMC_BASE		0xfffffc00
 #define AT91_RSTC_BASE		0xfffffd00
+#define AT91_RTT_BASE		0xfffffd20
 #define AT91_PIT_BASE		0xfffffd30
 #define AT91_WDT_BASE		0xfffffd40
+#define AT91_GPR_BASE		0xfffffd50
 
 #ifdef CONFIG_AT91_LEGACY
 
diff --git a/arch/arm/include/asm/arch-at91/at91sam9261.h b/arch/arm/include/asm/arch-at91/at91sam9261.h
index 2952292..7ca0283 100644
--- a/arch/arm/include/asm/arch-at91/at91sam9261.h
+++ b/arch/arm/include/asm/arch-at91/at91sam9261.h
@@ -49,8 +49,10 @@
 #define AT91_PIO_BASE		0xfffff400
 #define AT91_PMC_BASE		0xfffffc00
 #define AT91_RSTC_BASE		0xfffffd00
+#define AT91_RTT_BASE		0xfffffd20
 #define AT91_PIT_BASE		0xfffffd30
 #define AT91_WDT_BASE		0xfffffd40
+#define AT91_GPBR_BASE		0xfffffd50
 
 #ifdef CONFIG_AT91_LEGACY
 
diff --git a/arch/arm/include/asm/arch-at91/at91sam9263.h b/arch/arm/include/asm/arch-at91/at91sam9263.h
index c177bd0..4ada1ce 100644
--- a/arch/arm/include/asm/arch-at91/at91sam9263.h
+++ b/arch/arm/include/asm/arch-at91/at91sam9263.h
@@ -61,8 +61,11 @@
 #define AT91_PIO_BASE		0xfffff200
 #define AT91_PMC_BASE		0xfffffc00
 #define AT91_RSTC_BASE		0xfffffd00
+#define AT91_RTT0_BASE		0xfffffd20
 #define AT91_PIT_BASE		0xfffffd30
 #define AT91_WDT_BASE		0xfffffd40
+#define AT91_RTT1_BASE		0xfffffd50
+#define AT91_GPBR_BASE		0xfffffd60
 
 #ifdef CONFIG_AT91_LEGACY