2 * linux/arch/arm/mach-omap2/io.c
4 * OMAP2 I/O mapping code
6 * Copyright (C) 2005 Nokia Corporation
7 * Copyright (C) 2007-2009 Texas Instruments
10 * Juha Yrjola <juha.yrjola@nokia.com>
11 * Syed Khasim <x0khasim@ti.com>
13 * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License version 2 as
17 * published by the Free Software Foundation.
20 #include <linux/module.h>
21 #include <linux/kernel.h>
22 #include <linux/init.h>
27 #include <asm/mach/map.h>
30 #include <mach/omapfb.h>
31 #include <mach/sram.h>
32 #include <mach/sdrc.h>
33 #include <mach/gpmc.h>
35 #ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdev is ready */
38 #include <mach/powerdomain.h>
40 #include "powerdomains.h"
42 #include <mach/clockdomain.h>
43 #include "clockdomains.h"
46 * The machine specific code may provide the extra mapping besides the
47 * default mapping provided here.
50 #ifdef CONFIG_ARCH_OMAP24XX
51 static struct map_desc omap24xx_io_desc[] __initdata = {
53 .virtual = L3_24XX_VIRT,
54 .pfn = __phys_to_pfn(L3_24XX_PHYS),
55 .length = L3_24XX_SIZE,
59 .virtual = L4_24XX_VIRT,
60 .pfn = __phys_to_pfn(L4_24XX_PHYS),
61 .length = L4_24XX_SIZE,
66 #ifdef CONFIG_ARCH_OMAP2420
67 static struct map_desc omap242x_io_desc[] __initdata = {
69 .virtual = DSP_MEM_24XX_VIRT,
70 .pfn = __phys_to_pfn(DSP_MEM_24XX_PHYS),
71 .length = DSP_MEM_24XX_SIZE,
75 .virtual = DSP_IPI_24XX_VIRT,
76 .pfn = __phys_to_pfn(DSP_IPI_24XX_PHYS),
77 .length = DSP_IPI_24XX_SIZE,
81 .virtual = DSP_MMU_24XX_VIRT,
82 .pfn = __phys_to_pfn(DSP_MMU_24XX_PHYS),
83 .length = DSP_MMU_24XX_SIZE,
90 #ifdef CONFIG_ARCH_OMAP2430
91 static struct map_desc omap243x_io_desc[] __initdata = {
93 .virtual = L4_WK_243X_VIRT,
94 .pfn = __phys_to_pfn(L4_WK_243X_PHYS),
95 .length = L4_WK_243X_SIZE,
99 .virtual = OMAP243X_GPMC_VIRT,
100 .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS),
101 .length = OMAP243X_GPMC_SIZE,
105 .virtual = OMAP243X_SDRC_VIRT,
106 .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS),
107 .length = OMAP243X_SDRC_SIZE,
111 .virtual = OMAP243X_SMS_VIRT,
112 .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS),
113 .length = OMAP243X_SMS_SIZE,
120 #ifdef CONFIG_ARCH_OMAP34XX
121 static struct map_desc omap34xx_io_desc[] __initdata = {
123 .virtual = L3_34XX_VIRT,
124 .pfn = __phys_to_pfn(L3_34XX_PHYS),
125 .length = L3_34XX_SIZE,
129 .virtual = L4_34XX_VIRT,
130 .pfn = __phys_to_pfn(L4_34XX_PHYS),
131 .length = L4_34XX_SIZE,
135 .virtual = L4_WK_34XX_VIRT,
136 .pfn = __phys_to_pfn(L4_WK_34XX_PHYS),
137 .length = L4_WK_34XX_SIZE,
141 .virtual = OMAP34XX_GPMC_VIRT,
142 .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS),
143 .length = OMAP34XX_GPMC_SIZE,
147 .virtual = OMAP343X_SMS_VIRT,
148 .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS),
149 .length = OMAP343X_SMS_SIZE,
153 .virtual = OMAP343X_SDRC_VIRT,
154 .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS),
155 .length = OMAP343X_SDRC_SIZE,
159 .virtual = L4_PER_34XX_VIRT,
160 .pfn = __phys_to_pfn(L4_PER_34XX_PHYS),
161 .length = L4_PER_34XX_SIZE,
165 .virtual = L4_EMU_34XX_VIRT,
166 .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS),
167 .length = L4_EMU_34XX_SIZE,
172 #ifdef CONFIG_ARCH_OMAP4
173 static struct map_desc omap44xx_io_desc[] __initdata = {
175 .virtual = L3_44XX_VIRT,
176 .pfn = __phys_to_pfn(L3_44XX_PHYS),
177 .length = L3_44XX_SIZE,
181 .virtual = L4_44XX_VIRT,
182 .pfn = __phys_to_pfn(L4_44XX_PHYS),
183 .length = L4_44XX_SIZE,
187 .virtual = L4_WK_44XX_VIRT,
188 .pfn = __phys_to_pfn(L4_WK_44XX_PHYS),
189 .length = L4_WK_44XX_SIZE,
193 .virtual = OMAP44XX_GPMC_VIRT,
194 .pfn = __phys_to_pfn(OMAP44XX_GPMC_PHYS),
195 .length = OMAP44XX_GPMC_SIZE,
199 .virtual = L4_PER_44XX_VIRT,
200 .pfn = __phys_to_pfn(L4_PER_44XX_PHYS),
201 .length = L4_PER_44XX_SIZE,
205 .virtual = L4_EMU_44XX_VIRT,
206 .pfn = __phys_to_pfn(L4_EMU_44XX_PHYS),
207 .length = L4_EMU_44XX_SIZE,
213 void __init omap2_map_common_io(void)
215 #if defined(CONFIG_ARCH_OMAP2420)
216 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
217 iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
220 #if defined(CONFIG_ARCH_OMAP2430)
221 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
222 iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
225 #if defined(CONFIG_ARCH_OMAP34XX)
226 iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
229 #if defined(CONFIG_ARCH_OMAP4)
230 iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
232 /* Normally devicemaps_init() would flush caches and tlb after
233 * mdesc->map_io(), but we must also do it here because of the CPU
234 * revision check below.
236 local_flush_tlb_all();
239 omap2_check_revision();
241 omapfb_reserve_sdram();
244 void __init omap2_init_common_hw(struct omap_sdrc_params *sp)
247 #ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once the clkdev is ready */
248 pwrdm_init(powerdomains_omap);
249 clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);