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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/arm/mach-at91/include/mach/hardware.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/arm/mach-at91/include/mach/hardware.h')
-rw-r--r-- | arch/arm/mach-at91/include/mach/hardware.h | 120 |
1 files changed, 120 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 00000000..e9e29a6c --- /dev/null +++ b/arch/arm/mach-at91/include/mach/hardware.h @@ -0,0 +1,120 @@ +/* + * 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> + +/* DBGU base */ +/* rm9200, 9260/9g20, 9261/9g10, 9rl */ +#define AT91_BASE_DBGU0 0xfffff200 +/* 9263, 9g45 */ +#define AT91_BASE_DBGU1 0xffffee00 + +#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) || defined(CONFIG_ARCH_AT91SAM9G10) +#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_AT91SAM9G45) +#include <mach/at91sam9g45.h> +#elif defined(CONFIG_ARCH_AT91SAM9X5) +#include <mach/at91sam9x5.h> +#elif defined(CONFIG_ARCH_AT91X40) +#include <mach/at91x40.h> +#else +#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 + +/* + * On all at91 have the Advanced Interrupt Controller starts at address + * 0xfffff000 and the Power Management Controller starts at 0xfffffc00 + */ +#define AT91_AIC 0xfffff000 +#define AT91_PMC 0xfffffc00 + +/* + * Peripheral identifiers/interrupts. + */ +#define AT91_ID_FIQ 0 /* Advanced Interrupt Controller (FIQ) */ +#define AT91_ID_SYS 1 /* System Peripherals */ + +#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 + +/* Clocks */ +#define AT91_SLOW_CLOCK 32768 /* slow clock */ + + +#endif |