1 files changed, 88 insertions, 0 deletions

diff --git a/include/asm-arm/arch-at91/hardware.h b/include/asm-arm/arch-at91/hardware.h
new file mode 100644
index 000000000000..ccb7c7285b42
--- /dev/null
+++ b/include/asm-arm/arch-at91/hardware.h
@@ -0,0 +1,88 @@
+/*
+ * include/asm-arm/arch-at91/hardware.h
+ *
+ *  Copyright (C) 2003 SAN People
+ *  Copyright (C) 2003 ATMEL
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#include <asm/sizes.h>
+
+#if defined(CONFIG_ARCH_AT91RM9200)
+#include <asm/arch/at91rm9200.h>
+#elif defined(CONFIG_ARCH_AT91SAM9260)
+#include <asm/arch/at91sam9260.h>
+#elif defined(CONFIG_ARCH_AT91SAM9261)
+#include <asm/arch/at91sam9261.h>
+#else
+#error "Unsupported AT91 processor"
+#endif
+
+
+/*
+ * Remap the peripherals from address 0xFFFA0000 .. 0xFFFFFFFF
+ * to 0xFEFA0000 .. 0xFF000000.  (384Kb)
+ */
+#define AT91_IO_PHYS_BASE       0xFFFA0000
+#define AT91_IO_SIZE            (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1)
+#define AT91_IO_VIRT_BASE       (0xFF000000 - AT91_IO_SIZE)
+
+ /* Convert a physical IO address to virtual IO address */
+#define AT91_IO_P2V(x)  ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE)
+
+/*
+ * Virtual to Physical Address mapping for IO devices.
+ */
+#define AT91_VA_BASE_SYS        AT91_IO_P2V(AT91_BASE_SYS)
+#define AT91_VA_BASE_EMAC       AT91_IO_P2V(AT91RM9200_BASE_EMAC)
+
+ /* Internal SRAM is mapped below the IO devices */
+#define AT91_SRAM_MAX           SZ_1M
+#define AT91_VIRT_BASE          (AT91_IO_VIRT_BASE - AT91_SRAM_MAX)
+
+/* Serial ports */
+#define ATMEL_MAX_UART          7               /* 6 USART3's and one DBGU port (SAM9260) */
+
+/* External Memory Map */
+#define AT91_CHIPSELECT_0       0x10000000
+#define AT91_CHIPSELECT_1       0x20000000
+#define AT91_CHIPSELECT_2       0x30000000
+#define AT91_CHIPSELECT_3       0x40000000
+#define AT91_CHIPSELECT_4       0x50000000
+#define AT91_CHIPSELECT_5       0x60000000
+#define AT91_CHIPSELECT_6       0x70000000
+#define AT91_CHIPSELECT_7       0x80000000
+
+/* SDRAM */
+#define AT91_SDRAM_BASE         AT91_CHIPSELECT_1
+
+/* Clocks */
+#define AT91_SLOW_CLOCK         32768           /* slow clock */
+
+#ifndef __ASSEMBLY__
+#include <asm/io.h>
+
+static inline unsigned int at91_sys_read(unsigned int reg_offset)
+{
+        void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
+
+        return __raw_readl(addr + reg_offset);
+}
+
+static inline void at91_sys_write(unsigned int reg_offset, unsigned long value)
+{
+        void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
+
+        __raw_writel(value, addr + reg_offset);
+}
+#endif
+
+#endif