[ARM] 4370/3: AT91: Support for Atmel AT91SAM9RL processors.

Add support for Atmel's new AT91SAM9RL range of processors.
Includes similar peripherals as other AT91SAM9 processors, but with a
High-speed USB controller and various sizes of internal SRAM.

Signed-off-by: Nicolas Ferre <nicolas.ferre@rfo.atmel.com>
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 9 insertions, 0 deletions

diff --git a/include/asm-arm/arch-at91/cpu.h b/include/asm-arm/arch-at91/cpu.h
index 7ef4eebe9f8e..ef93c30a9c5f 100644
--- a/include/asm-arm/arch-at91/cpu.h
+++ b/include/asm-arm/arch-at91/cpu.h
@@ -26,6 +26,8 @@
 #define ARCH_ID_AT91SAM9XE256   0x329a93a0
 #define ARCH_ID_AT91SAM9XE512   0x329aa3a0
 
+#define ARCH_ID_AT91SAM9RL64    0x019b03a0
+
 static inline unsigned long at91_cpu_identify(void)
 {
         return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION);
@@ -68,6 +70,13 @@ static inline unsigned long at91_arch_identify(void)
 #define cpu_is_at91sam9263()    (0)
 #endif
 
+#ifdef CONFIG_ARCH_AT91SAM9RL
+#define cpu_is_at91sam9rl()     (at91_cpu_identify() == ARCH_ID_AT91SAM9RL64)
+#else
+#define cpu_is_at91sam9rl()     (0)
+#endif
+
+
 /*
  * Since this is ARM, we will never run on any AVR32 CPU. But these
  * definitions may reduce clutter in common drivers.