at91: introduce commom AT91_BASE_SYS

[pandora-kernel.git] / arch / arm / mach-at91 / include / mach / hardware.h

diff --git a/arch/arm/mach-at91/include/mach/hardware.h b/arch/arm/mach-at91/include/mach/hardware.h
index 1008b9f..483478d 100644 (file)
--- a/arch/arm/mach-at91/include/mach/hardware.h
+++ b/arch/arm/mach-at91/include/mach/hardware.h
@@ -36,6 +36,20 @@
 #error "Unsupported AT91 processor"
 #endif
 
 #error "Unsupported AT91 processor"
 #endif
 

+#if !defined(CONFIG_ARCH_AT91X40)
+/*
+ * On all at91 except rm9200 and x40 have the System Controller starts
+ * at address 0xffffc000 and has a size of 16KiB.
+ *
+ * On rm9200 it's start at 0xfffe4000 of 111KiB with non reserved data starting
+ * at 0xfffff000
+ *
+ * Removes the individual definitions of AT91_BASE_SYS and
+ * replaces them with a common version at base 0xfffffc000 and size 16KiB
+ * and map the same memory space
+ */
+#define AT91_BASE_SYS  0xffffc000
+#endif

 
 /*
  * Peripheral identifiers/interrupts.
 
 /*
  * Peripheral identifiers/interrupts.