| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301 | /* * 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 <linux/omap-dma.h>#include "omap_hwmod.h"#include "soc.h"#include "iomap.h"#include "voltage.h"#include "powerdomain.h"#include "clockdomain.h"#include "common.h"#include "clock.h"#include "clock2xxx.h"#include "clock3xxx.h"#include "clock44xx.h"#include "omap-pm.h"#include "sdrc.h"#include "control.h"#include "serial.h"#include "sram.h"#include "cm2xxx.h"#include "cm3xxx.h"#include "prm.h"#include "cm.h"#include "prcm_mpu44xx.h"#include "prminst44xx.h"#include "cminst44xx.h"#include "prm2xxx.h"#include "prm3xxx.h"#include "prm44xx.h"/* * omap_clk_init: points to a function that does the SoC-specific * clock initializations */int (*omap_clk_init)(void);/* * 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_OMAP2420static 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_OMAP2430static 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_OMAP3static 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_TI81XXstatic 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_AM33XXstatic 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_OMAP4static 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	= L4_PER_44XX_VIRT,		.pfn		= __phys_to_pfn(L4_PER_44XX_PHYS),		.length		= L4_PER_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_OMAP5static struct map_desc omap54xx_io_desc[] __initdata = {	{		.virtual	= L3_54XX_VIRT,		.pfn		= __phys_to_pfn(L3_54XX_PHYS),		.length		= L3_54XX_SIZE,		.type		= MT_DEVICE,	},	{		.virtual	= L4_54XX_VIRT,		.pfn		= __phys_to_pfn(L4_54XX_PHYS),		.length		= L4_54XX_SIZE,		.type		= MT_DEVICE,	},	{		.virtual	= L4_WK_54XX_VIRT,		.pfn		= __phys_to_pfn(L4_WK_54XX_PHYS),		.length		= L4_WK_54XX_SIZE,		.type		= MT_DEVICE,	},	{		.virtual	= L4_PER_54XX_VIRT,		.pfn		= __phys_to_pfn(L4_PER_54XX_PHYS),		.length		= L4_PER_54XX_SIZE,		.type		= MT_DEVICE,	},};#endif#ifdef CONFIG_SOC_OMAP2420void __init omap242x_map_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_OMAP2430void __init omap243x_map_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_OMAP3void __init omap3_map_io(void){
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