/* * linux/arch/arm/mach-omap2/io.c * * OMAP2 I/O mapping code * * Copyright (C) 2005 Nokia Corporation * Copyright (C) 2007 Texas Instruments * * Author: * Juha Yrjola <juha.yrjola@nokia.com> * Syed Khasim <x0khasim@ti.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> #include <asm/tlb.h> #include <asm/mach/map.h> #include <mach/mux.h> #include <mach/omapfb.h> #include <mach/sram.h> #include <mach/sdrc.h> #include <mach/gpmc.h> #include "clock.h" #include <mach/powerdomain.h> #include "powerdomains.h" #include <mach/clockdomain.h> #include "clockdomains.h" /* * The machine specific code may provide the extra mapping besides the * default mapping provided here. */ #ifdef CONFIG_ARCH_OMAP24XX static struct map_desc omap24xx_io_desc[] __initdata = { { .virtual = L3_24XX_VIRT, .pfn = __phys_to_pfn(L3_24XX_PHYS), .length = L3_24XX_SIZE, .type = MT_DEVICE }, { .virtual = L4_24XX_VIRT, .pfn = __phys_to_pfn(L4_24XX_PHYS), .length = L4_24XX_SIZE, .type = MT_DEVICE }, }; #ifdef CONFIG_ARCH_OMAP2420 static struct map_desc omap242x_io_desc[] __initdata = { { .virtual = DSP_MEM_24XX_VIRT, .pfn = __phys_to_pfn(DSP_MEM_24XX_PHYS), .length = DSP_MEM_24XX_SIZE, .type = MT_DEVICE }, { .virtual = DSP_IPI_24XX_VIRT, .pfn = __phys_to_pfn(DSP_IPI_24XX_PHYS), .length = DSP_IPI_24XX_SIZE, .type = MT_DEVICE }, { .virtual = DSP_MMU_24XX_VIRT, .pfn = __phys_to_pfn(DSP_MMU_24XX_PHYS), .length = DSP_MMU_24XX_SIZE, .type = MT_DEVICE }, }; #endif #ifdef CONFIG_ARCH_OMAP2430 static struct map_desc omap243x_io_desc[] __initdata = { { .virtual = L4_WK_243X_VIRT, .pfn = __phys_to_pfn(L4_WK_243X_PHYS), .length = L4_WK_243X_SIZE, .type = MT_DEVICE }, { .virtual = OMAP243X_GPMC_VIRT, .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS), .length = OMAP243X_GPMC_SIZE, .type = MT_DEVICE }, { .virtual = OMAP243X_SDRC_VIRT, .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS), .length = OMAP243X_SDRC_SIZE, .type = MT_DEVICE }, { .virtual = OMAP243X_SMS_VIRT, .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS), .length = OMAP243X_SMS_SIZE, .type = MT_DEVICE }, }; #endif #endif #ifdef CONFIG_ARCH_OMAP34XX static struct map_desc omap34xx_io_desc[] __initdata = { { .virtual = L3_34XX_VIRT, .pfn = __phys_to_pfn(L3_34XX_PHYS), .length = L3_34XX_SIZE, .type = MT_DEVICE }, { .virtual = L4_34XX_VIRT, .pfn = __phys_to_pfn(L4_34XX_PHYS), .length = L4_34XX_SIZE, .type = MT_DEVICE }, { .virtual = L4_WK_34XX_VIRT, .pfn = __phys_to_pfn(L4_WK_34XX_PHYS), .length = L4_WK_34XX_SIZE, .type = MT_DEVICE }, { .virtual = OMAP34XX_GPMC_VIRT, .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS), .length = OMAP34XX_GPMC_SIZE, .type = MT_DEVICE }, { .virtual = OMAP343X_SMS_VIRT, .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS), .length = OMAP343X_SMS_SIZE, .type = MT_DEVICE }, { .virtual = OMAP343X_SDRC_VIRT, .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS), .length = OMAP343X_SDRC_SIZE, .type = MT_DEVICE }, { .virtual = L4_PER_34XX_VIRT, .pfn = __phys_to_pfn(L4_PER_34XX_PHYS), .length = L4_PER_34XX_SIZE, .type = MT_DEVICE }, { .virtual = L4_EMU_34XX_VIRT, .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS), .length = L4_EMU_34XX_SIZE, .type = MT_DEVICE }, }; #endif void __init omap2_map_common_io(void) { #if defined(CONFIG_ARCH_OMAP2420) iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc)); #endif #if defined(CONFIG_ARCH_OMAP2430) iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc)); #endif #if defined(CONFIG_ARCH_OMAP34XX) iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc)); #endif /* Normally devicemaps_init() would flush caches and tlb after * mdesc->map_io(), but we must also do it here because of the CPU * revision check below. */ local_flush_tlb_all(); flush_cache_all(); omap2_check_revision(); omap_sram_init(); omapfb_reserve_sdram(); } void __init omap2_init_common_hw(struct omap_sdrc_params *sp) { omap2_mux_init(); pwrdm_init(powerdomains_omap); clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps); omap2_clk_init(); omap2_sdrc_init(sp); gpmc_init(); }