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Diffstat (limited to 'arch/arm/mach-at91/include/mach/hardware.h')
-rw-r--r--arch/arm/mach-at91/include/mach/hardware.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/hardware.h b/arch/arm/mach-at91/include/mach/hardware.h
new file mode 100644
index 000000000000..da0b681c652c
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+++ b/arch/arm/mach-at91/include/mach/hardware.h
@@ -0,0 +1,92 @@
+/*
+ * arch/arm/mach-at91/include/mach/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 <mach/at91rm9200.h>
+#elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9G20)
+#include <mach/at91sam9260.h>
+#elif defined(CONFIG_ARCH_AT91SAM9261)
+#include <mach/at91sam9261.h>
+#elif defined(CONFIG_ARCH_AT91SAM9263)
+#include <mach/at91sam9263.h>
+#elif defined(CONFIG_ARCH_AT91SAM9RL)
+#include <mach/at91sam9rl.h>
+#elif defined(CONFIG_ARCH_AT91CAP9)
+#include <mach/at91cap9.h>
+#elif defined(CONFIG_ARCH_AT91X40)
+#include <mach/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_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)
+
+/*
+ * 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 */
+#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 */
+
+
+#endif