[ARM] 5571/1: at91: Basic support for at91sam9g45 series: header files.

AT91sam9g45 series is an ARM 926ej-s SOC family clocked at 400/133MHz.
It embedds USB high speed host and device, LCD, DDR2 RAM, and a full set of
peripherals.

Here is the basic header file support for this product series.

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

1 files changed, 16 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h
index c554c3e4d55..b73e7bf097d 100644
--- a/arch/arm/mach-at91/include/mach/cpu.h
+++ b/arch/arm/mach-at91/include/mach/cpu.h
@@ -23,6 +23,7 @@
 #define ARCH_ID_AT91SAM9263     0x019607a0
 #define ARCH_ID_AT91SAM9G20     0x019905a0
 #define ARCH_ID_AT91SAM9RL64    0x019b03a0
+#define ARCH_ID_AT91SAM9G45     0x819b05a0
 #define ARCH_ID_AT91CAP9        0x039A03A0
 
 #define ARCH_ID_AT91SAM9XE128   0x329973a0
@@ -39,6 +40,15 @@ static inline unsigned long at91_cpu_identify(void)
         return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION);
 }
 
+#define ARCH_EXID_AT91SAM9M11   0x00000001
+#define ARCH_EXID_AT91SAM9M10   0x00000002
+#define ARCH_EXID_AT91SAM9G45   0x00000004
+
+static inline unsigned long at91_exid_identify(void)
+{
+        return at91_sys_read(AT91_DBGU_EXID);
+}
+
 
 #define ARCH_FAMILY_AT91X92     0x09200000
 #define ARCH_FAMILY_AT91SAM9    0x01900000
@@ -99,6 +109,12 @@ static inline unsigned long at91cap9_rev_identify(void)
 #define cpu_is_at91sam9rl()     (0)
 #endif
 
+#ifdef CONFIG_ARCH_AT91SAM9G45
+#define cpu_is_at91sam9g45()    (at91_cpu_identify() == ARCH_ID_AT91SAM9G45)
+#else
+#define cpu_is_at91sam9g45()    (0)
+#endif
+
 #ifdef CONFIG_ARCH_AT91CAP9
 #define cpu_is_at91cap9()       (at91_cpu_identify() == ARCH_ID_AT91CAP9)
 #define cpu_is_at91cap9_revB()  (at91cap9_rev_identify() == ARCH_REVISION_CAP9_B)