/* * 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, sama5d3 */ #define AT91_BASE_DBGU1 0xffffee00 /* sama5d4 */ #define AT91_BASE_DBGU2 0xfc069000 #if defined(CONFIG_ARCH_AT91X40) #include <mach/at91x40.h> #else #include <mach/at91rm9200.h> #include <mach/at91sam9260.h> #include <mach/at91sam9261.h> #include <mach/at91sam9263.h> #include <mach/at91sam9rl.h> #include <mach/at91sam9g45.h> #include <mach/at91sam9x5.h> #include <mach/at91sam9n12.h> #include <mach/sama5d3.h> #include <mach/sama5d4.h> /* * 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 sama5d4 there is no system controller, we map some needed peripherals */ #define AT91_ALT_BASE_SYS 0xfc069000 /* * 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 IOMEM(0xFF000000 - AT91_IO_SIZE) /* * On sama5d4, remap the peripherals from address 0xFC069000 .. 0xFC06F000 * to 0xFB069000 .. 0xFB06F000. (24Kb) */ #define AT91_ALT_IO_PHYS_BASE AT91_ALT_BASE_SYS #define AT91_ALT_IO_VIRT_BASE IOMEM(0xFB069000) #else /* * Identity mapping for the non MMU case. */ #define AT91_IO_PHYS_BASE AT91_BASE_SYS #define AT91_IO_VIRT_BASE IOMEM(AT91_IO_PHYS_BASE) #define AT91_ALT_IO_PHYS_BASE AT91_ALT_BASE_SYS #define AT91_ALT_IO_VIRT_BASE IOMEM(AT91_ALT_BASE_SYS) #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) #define AT91_ALT_IO_P2V(x) ((x) - AT91_ALT_IO_PHYS_BASE + AT91_ALT_IO_VIRT_BASE) /* * Virtual to Physical Address mapping for IO devices. */ #define AT91_VA_BASE_SYS AT91_IO_P2V(AT91_BASE_SYS) #define AT91_ALT_VA_BASE_SYS AT91_ALT_IO_P2V(AT91_ALT_BASE_SYS) /* 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) /* 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 */ /* * FIXME: this is needed to communicate between the pinctrl driver and * the PM implementation in the machine. Possibly part of the PM * implementation should be moved down into the pinctrl driver and get * called as part of the generic suspend/resume path. */ #ifndef __ASSEMBLY__ #ifdef CONFIG_PINCTRL_AT91 extern void at91_pinctrl_gpio_suspend(void); extern void at91_pinctrl_gpio_resume(void); #else static inline void at91_pinctrl_gpio_suspend(void) {} static inline void at91_pinctrl_gpio_resume(void) {} #endif #endif #endif