[ARM] 4192/1: AT91: Support for AT91SAM9XE processors.

[linux-2.6-omap-h63xx.git] / include / asm-arm / arch-at91 / cpu.h

diff --git a/include/asm-arm/arch-at91/cpu.h b/include/asm-arm/arch-at91/cpu.h
index 9efde0dad249e92160eaf18abae0233b869ca50d..d464ca58cdbc07e427180d235f590953c13a2fc1 100644 (file)
--- a/include/asm-arm/arch-at91/cpu.h
+++ b/include/asm-arm/arch-at91/cpu.h
@@ -22,6 +22,9 @@
 #define ARCH_ID_AT91SAM9261    0x019703a0
 #define ARCH_ID_AT91SAM9263    0x019607a0
 
+#define ARCH_ID_AT91SAM9XE128  0x329973a0
+#define ARCH_ID_AT91SAM9XE256  0x329a93a0
+#define ARCH_ID_AT91SAM9XE512  0x329aa3a0
 
 static inline unsigned long at91_cpu_identify(void)
 {
@@ -29,6 +32,16 @@ static inline unsigned long at91_cpu_identify(void)
 }
 
 
+#define ARCH_FAMILY_AT91X92    0x09200000
+#define ARCH_FAMILY_AT91SAM9   0x01900000
+#define ARCH_FAMILY_AT91SAM9XE 0x02900000
+
+static inline unsigned long at91_arch_identify(void)
+{
+       return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH);
+}
+
+
 #ifdef CONFIG_ARCH_AT91RM9200
 #define cpu_is_at91rm9200()    (at91_cpu_identify() == ARCH_ID_AT91RM9200)
 #else
@@ -36,8 +49,10 @@ static inline unsigned long at91_cpu_identify(void)
 #endif
 
 #ifdef CONFIG_ARCH_AT91SAM9260
-#define cpu_is_at91sam9260()   (at91_cpu_identify() == ARCH_ID_AT91SAM9260)
+#define cpu_is_at91sam9xe()    (at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE)
+#define cpu_is_at91sam9260()   ((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe())
 #else
+#define cpu_is_at91sam9xe()    (0)
 #define cpu_is_at91sam9260()   (0)
 #endif