diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-omap2/io.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-omap2/io.c | 496 |
1 files changed, 0 insertions, 496 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-omap2/io.c b/ANDROID_3.4.5/arch/arm/mach-omap2/io.c deleted file mode 100644 index 065bd768..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-omap2/io.c +++ /dev/null @@ -1,496 +0,0 @@ -/* - * linux/arch/arm/mach-omap2/io.c - * - * OMAP2 I/O mapping code - * - * Copyright (C) 2005 Nokia Corporation - * Copyright (C) 2007-2009 Texas Instruments - * - * Author: - * Juha Yrjola <juha.yrjola@nokia.com> - * Syed Khasim <x0khasim@ti.com> - * - * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@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 <linux/clk.h> - -#include <asm/tlb.h> -#include <asm/mach/map.h> - -#include <plat/sram.h> -#include <plat/sdrc.h> -#include <plat/serial.h> -#include <plat/omap-pm.h> -#include <plat/omap_hwmod.h> -#include <plat/multi.h> - -#include "iomap.h" -#include "voltage.h" -#include "powerdomain.h" -#include "clockdomain.h" -#include "common.h" -#include "clock2xxx.h" -#include "clock3xxx.h" -#include "clock44xx.h" - -/* - * The machine specific code may provide the extra mapping besides the - * default mapping provided here. - */ - -#if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430) -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_SOC_OMAP2420 -static struct map_desc omap242x_io_desc[] __initdata = { - { - .virtual = DSP_MEM_2420_VIRT, - .pfn = __phys_to_pfn(DSP_MEM_2420_PHYS), - .length = DSP_MEM_2420_SIZE, - .type = MT_DEVICE - }, - { - .virtual = DSP_IPI_2420_VIRT, - .pfn = __phys_to_pfn(DSP_IPI_2420_PHYS), - .length = DSP_IPI_2420_SIZE, - .type = MT_DEVICE - }, - { - .virtual = DSP_MMU_2420_VIRT, - .pfn = __phys_to_pfn(DSP_MMU_2420_PHYS), - .length = DSP_MMU_2420_SIZE, - .type = MT_DEVICE - }, -}; - -#endif - -#ifdef CONFIG_SOC_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_OMAP3 -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 = 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 - }, -#if defined(CONFIG_DEBUG_LL) && \ - (defined(CONFIG_MACH_OMAP_ZOOM2) || defined(CONFIG_MACH_OMAP_ZOOM3)) - { - .virtual = ZOOM_UART_VIRT, - .pfn = __phys_to_pfn(ZOOM_UART_BASE), - .length = SZ_1M, - .type = MT_DEVICE - }, -#endif -}; -#endif - -#ifdef CONFIG_SOC_OMAPTI81XX -static struct map_desc omapti81xx_io_desc[] __initdata = { - { - .virtual = L4_34XX_VIRT, - .pfn = __phys_to_pfn(L4_34XX_PHYS), - .length = L4_34XX_SIZE, - .type = MT_DEVICE - } -}; -#endif - -#ifdef CONFIG_SOC_OMAPAM33XX -static struct map_desc omapam33xx_io_desc[] __initdata = { - { - .virtual = L4_34XX_VIRT, - .pfn = __phys_to_pfn(L4_34XX_PHYS), - .length = L4_34XX_SIZE, - .type = MT_DEVICE - }, - { - .virtual = L4_WK_AM33XX_VIRT, - .pfn = __phys_to_pfn(L4_WK_AM33XX_PHYS), - .length = L4_WK_AM33XX_SIZE, - .type = MT_DEVICE - } -}; -#endif - -#ifdef CONFIG_ARCH_OMAP4 -static struct map_desc omap44xx_io_desc[] __initdata = { - { - .virtual = L3_44XX_VIRT, - .pfn = __phys_to_pfn(L3_44XX_PHYS), - .length = L3_44XX_SIZE, - .type = MT_DEVICE, - }, - { - .virtual = L4_44XX_VIRT, - .pfn = __phys_to_pfn(L4_44XX_PHYS), - .length = L4_44XX_SIZE, - .type = MT_DEVICE, - }, - { - .virtual = OMAP44XX_GPMC_VIRT, - .pfn = __phys_to_pfn(OMAP44XX_GPMC_PHYS), - .length = OMAP44XX_GPMC_SIZE, - .type = MT_DEVICE, - }, - { - .virtual = OMAP44XX_EMIF1_VIRT, - .pfn = __phys_to_pfn(OMAP44XX_EMIF1_PHYS), - .length = OMAP44XX_EMIF1_SIZE, - .type = MT_DEVICE, - }, - { - .virtual = OMAP44XX_EMIF2_VIRT, - .pfn = __phys_to_pfn(OMAP44XX_EMIF2_PHYS), - .length = OMAP44XX_EMIF2_SIZE, - .type = MT_DEVICE, - }, - { - .virtual = OMAP44XX_DMM_VIRT, - .pfn = __phys_to_pfn(OMAP44XX_DMM_PHYS), - .length = OMAP44XX_DMM_SIZE, - .type = MT_DEVICE, - }, - { - .virtual = L4_PER_44XX_VIRT, - .pfn = __phys_to_pfn(L4_PER_44XX_PHYS), - .length = L4_PER_44XX_SIZE, - .type = MT_DEVICE, - }, - { - .virtual = L4_EMU_44XX_VIRT, - .pfn = __phys_to_pfn(L4_EMU_44XX_PHYS), - .length = L4_EMU_44XX_SIZE, - .type = MT_DEVICE, - }, -#ifdef CONFIG_OMAP4_ERRATA_I688 - { - .virtual = OMAP4_SRAM_VA, - .pfn = __phys_to_pfn(OMAP4_SRAM_PA), - .length = PAGE_SIZE, - .type = MT_MEMORY_SO, - }, -#endif - -}; -#endif - -#ifdef CONFIG_SOC_OMAP2420 -void __init omap242x_map_common_io(void) -{ - iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); - iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc)); -} -#endif - -#ifdef CONFIG_SOC_OMAP2430 -void __init omap243x_map_common_io(void) -{ - iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); - iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc)); -} -#endif - -#ifdef CONFIG_ARCH_OMAP3 -void __init omap34xx_map_common_io(void) -{ - iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc)); -} -#endif - -#ifdef CONFIG_SOC_OMAPTI81XX -void __init omapti81xx_map_common_io(void) -{ - iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc)); -} -#endif - -#ifdef CONFIG_SOC_OMAPAM33XX -void __init omapam33xx_map_common_io(void) -{ - iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc)); -} -#endif - -#ifdef CONFIG_ARCH_OMAP4 -void __init omap44xx_map_common_io(void) -{ - iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc)); - omap_barriers_init(); -} -#endif - -/* - * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters - * - * Sets the CORE DPLL3 M2 divider to the same value that it's at - * currently. This has the effect of setting the SDRC SDRAM AC timing - * registers to the values currently defined by the kernel. Currently - * only defined for OMAP3; will return 0 if called on OMAP2. Returns - * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2, - * or passes along the return value of clk_set_rate(). - */ -static int __init _omap2_init_reprogram_sdrc(void) -{ - struct clk *dpll3_m2_ck; - int v = -EINVAL; - long rate; - - if (!cpu_is_omap34xx()) - return 0; - - dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck"); - if (IS_ERR(dpll3_m2_ck)) - return -EINVAL; - - rate = clk_get_rate(dpll3_m2_ck); - pr_info("Reprogramming SDRC clock to %ld Hz\n", rate); - v = clk_set_rate(dpll3_m2_ck, rate); - if (v) - pr_err("dpll3_m2_clk rate change failed: %d\n", v); - - clk_put(dpll3_m2_ck); - - return v; -} - -static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data) -{ - return omap_hwmod_set_postsetup_state(oh, *(u8 *)data); -} - -static void __init omap_common_init_early(void) -{ - omap_init_consistent_dma_size(); -} - -static void __init omap_hwmod_init_postsetup(void) -{ - u8 postsetup_state; - - /* Set the default postsetup state for all hwmods */ -#ifdef CONFIG_PM_RUNTIME - postsetup_state = _HWMOD_STATE_IDLE; -#else - postsetup_state = _HWMOD_STATE_ENABLED; -#endif - omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state); - - /* - * Set the default postsetup state for unusual modules (like - * MPU WDT). - * - * The postsetup_state is not actually used until - * omap_hwmod_late_init(), so boards that desire full watchdog - * coverage of kernel initialization can reprogram the - * postsetup_state between the calls to - * omap2_init_common_infra() and omap_sdrc_init(). - * - * XXX ideally we could detect whether the MPU WDT was currently - * enabled here and make this conditional - */ - postsetup_state = _HWMOD_STATE_DISABLED; - omap_hwmod_for_each_by_class("wd_timer", - _set_hwmod_postsetup_state, - &postsetup_state); - - omap_pm_if_early_init(); -} - -#ifdef CONFIG_SOC_OMAP2420 -void __init omap2420_init_early(void) -{ - omap2_set_globals_242x(); - omap2xxx_check_revision(); - omap_common_init_early(); - omap2xxx_voltagedomains_init(); - omap242x_powerdomains_init(); - omap242x_clockdomains_init(); - omap2420_hwmod_init(); - omap_hwmod_init_postsetup(); - omap2420_clk_init(); -} -#endif - -#ifdef CONFIG_SOC_OMAP2430 -void __init omap2430_init_early(void) -{ - omap2_set_globals_243x(); - omap2xxx_check_revision(); - omap_common_init_early(); - omap2xxx_voltagedomains_init(); - omap243x_powerdomains_init(); - omap243x_clockdomains_init(); - omap2430_hwmod_init(); - omap_hwmod_init_postsetup(); - omap2430_clk_init(); -} -#endif - -/* - * Currently only board-omap3beagle.c should call this because of the - * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT. - */ -#ifdef CONFIG_ARCH_OMAP3 -void __init omap3_init_early(void) -{ - omap2_set_globals_3xxx(); - omap3xxx_check_revision(); - omap3xxx_check_features(); - omap_common_init_early(); - omap3xxx_voltagedomains_init(); - omap3xxx_powerdomains_init(); - omap3xxx_clockdomains_init(); - omap3xxx_hwmod_init(); - omap_hwmod_init_postsetup(); - omap3xxx_clk_init(); -} - -void __init omap3430_init_early(void) -{ - omap3_init_early(); -} - -void __init omap35xx_init_early(void) -{ - omap3_init_early(); -} - -void __init omap3630_init_early(void) -{ - omap3_init_early(); -} - -void __init am35xx_init_early(void) -{ - omap3_init_early(); -} - -void __init ti81xx_init_early(void) -{ - omap2_set_globals_ti81xx(); - omap3xxx_check_revision(); - ti81xx_check_features(); - omap_common_init_early(); - omap3xxx_voltagedomains_init(); - omap3xxx_powerdomains_init(); - omap3xxx_clockdomains_init(); - omap3xxx_hwmod_init(); - omap_hwmod_init_postsetup(); - omap3xxx_clk_init(); -} -#endif - -#ifdef CONFIG_ARCH_OMAP4 -void __init omap4430_init_early(void) -{ - omap2_set_globals_443x(); - omap4xxx_check_revision(); - omap4xxx_check_features(); - omap_common_init_early(); - omap44xx_voltagedomains_init(); - omap44xx_powerdomains_init(); - omap44xx_clockdomains_init(); - omap44xx_hwmod_init(); - omap_hwmod_init_postsetup(); - omap4xxx_clk_init(); -} -#endif - -void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, - struct omap_sdrc_params *sdrc_cs1) -{ - omap_sram_init(); - - if (cpu_is_omap24xx() || omap3_has_sdrc()) { - omap2_sdrc_init(sdrc_cs0, sdrc_cs1); - _omap2_init_reprogram_sdrc(); - } -} |