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-rw-r--r--include/asm-arm/arch-at91/hardware.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/include/asm-arm/arch-at91/hardware.h b/include/asm-arm/arch-at91/hardware.h
index 46835e945aea..8f1cdd38a969 100644
--- a/include/asm-arm/arch-at91/hardware.h
+++ b/include/asm-arm/arch-at91/hardware.h
@@ -26,18 +26,29 @@
#include <asm/arch/at91sam9263.h>
#elif defined(CONFIG_ARCH_AT91SAM9RL)
#include <asm/arch/at91sam9rl.h>
+#elif defined(CONFIG_ARCH_AT91X40)
+#include <asm/arch/at91x40.h>
#else
#error "Unsupported AT91 processor"
#endif
+#ifdef CONFIG_MMU
/*
* Remap the peripherals from address 0xFFF78000 .. 0xFFFFFFFF
* to 0xFEF78000 .. 0xFF000000. (544Kb)
*/
#define AT91_IO_PHYS_BASE 0xFFF78000
-#define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1)
#define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE)
+#else
+/*
+ * Identity mapping for the non MMU case.
+ */
+#define AT91_IO_PHYS_BASE AT91_BASE_SYS
+#define AT91_IO_VIRT_BASE AT91_IO_PHYS_BASE
+#endif
+
+#define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1)
/* Convert a physical IO address to virtual IO address */
#define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE)
@@ -66,7 +77,11 @@
#define AT91_CHIPSELECT_7 0x80000000
/* SDRAM */
+#ifdef CONFIG_DRAM_BASE
+#define AT91_SDRAM_BASE CONFIG_DRAM_BASE
+#else
#define AT91_SDRAM_BASE AT91_CHIPSELECT_1
+#endif
/* Clocks */
#define AT91_SLOW_CLOCK 32768 /* slow clock */