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-rw-r--r--arch/arm/mach-omap2/io.c152
1 files changed, 123 insertions, 29 deletions
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 7c3d6289c05f..5ea64f926ed5 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -4,8 +4,11 @@
4 * OMAP2 I/O mapping code 4 * OMAP2 I/O mapping code
5 * 5 *
6 * Copyright (C) 2005 Nokia Corporation 6 * Copyright (C) 2005 Nokia Corporation
7 * Author: Juha Yrjölä <juha.yrjola@nokia.com> 7 * Copyright (C) 2007 Texas Instruments
8 * Updated map desc to add 2430 support : <x0khasim@ti.com> 8 *
9 * Author:
10 * Juha Yrjola <juha.yrjola@nokia.com>
11 * Syed Khasim <x0khasim@ti.com>
9 * 12 *
10 * This program is free software; you can redistribute it and/or modify 13 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as 14 * it under the terms of the GNU General Public License version 2 as
@@ -23,19 +26,26 @@
23 26
24#include <mach/mux.h> 27#include <mach/mux.h>
25#include <mach/omapfb.h> 28#include <mach/omapfb.h>
29#include <mach/sram.h>
30
31#include "memory.h"
32
33#include "clock.h"
34
35#include <mach/powerdomain.h>
36
37#include "powerdomains.h"
26 38
27extern void omap_sram_init(void); 39#include <mach/clockdomain.h>
28extern int omap2_clk_init(void); 40#include "clockdomains.h"
29extern void omap2_check_revision(void);
30extern void omap2_init_memory(void);
31extern void gpmc_init(void);
32extern void omapfb_reserve_sdram(void);
33 41
34/* 42/*
35 * The machine specific code may provide the extra mapping besides the 43 * The machine specific code may provide the extra mapping besides the
36 * default mapping provided here. 44 * default mapping provided here.
37 */ 45 */
38static struct map_desc omap2_io_desc[] __initdata = { 46
47#ifdef CONFIG_ARCH_OMAP24XX
48static struct map_desc omap24xx_io_desc[] __initdata = {
39 { 49 {
40 .virtual = L3_24XX_VIRT, 50 .virtual = L3_24XX_VIRT,
41 .pfn = __phys_to_pfn(L3_24XX_PHYS), 51 .pfn = __phys_to_pfn(L3_24XX_PHYS),
@@ -43,12 +53,39 @@ static struct map_desc omap2_io_desc[] __initdata = {
43 .type = MT_DEVICE 53 .type = MT_DEVICE
44 }, 54 },
45 { 55 {
46 .virtual = L4_24XX_VIRT, 56 .virtual = L4_24XX_VIRT,
47 .pfn = __phys_to_pfn(L4_24XX_PHYS), 57 .pfn = __phys_to_pfn(L4_24XX_PHYS),
48 .length = L4_24XX_SIZE, 58 .length = L4_24XX_SIZE,
49 .type = MT_DEVICE 59 .type = MT_DEVICE
50 }, 60 },
61};
62
63#ifdef CONFIG_ARCH_OMAP2420
64static struct map_desc omap242x_io_desc[] __initdata = {
65 {
66 .virtual = DSP_MEM_24XX_VIRT,
67 .pfn = __phys_to_pfn(DSP_MEM_24XX_PHYS),
68 .length = DSP_MEM_24XX_SIZE,
69 .type = MT_DEVICE
70 },
71 {
72 .virtual = DSP_IPI_24XX_VIRT,
73 .pfn = __phys_to_pfn(DSP_IPI_24XX_PHYS),
74 .length = DSP_IPI_24XX_SIZE,
75 .type = MT_DEVICE
76 },
77 {
78 .virtual = DSP_MMU_24XX_VIRT,
79 .pfn = __phys_to_pfn(DSP_MMU_24XX_PHYS),
80 .length = DSP_MMU_24XX_SIZE,
81 .type = MT_DEVICE
82 },
83};
84
85#endif
86
51#ifdef CONFIG_ARCH_OMAP2430 87#ifdef CONFIG_ARCH_OMAP2430
88static struct map_desc omap243x_io_desc[] __initdata = {
52 { 89 {
53 .virtual = L4_WK_243X_VIRT, 90 .virtual = L4_WK_243X_VIRT,
54 .pfn = __phys_to_pfn(L4_WK_243X_PHYS), 91 .pfn = __phys_to_pfn(L4_WK_243X_PHYS),
@@ -61,30 +98,90 @@ static struct map_desc omap2_io_desc[] __initdata = {
61 .length = OMAP243X_GPMC_SIZE, 98 .length = OMAP243X_GPMC_SIZE,
62 .type = MT_DEVICE 99 .type = MT_DEVICE
63 }, 100 },
101 {
102 .virtual = OMAP243X_SDRC_VIRT,
103 .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS),
104 .length = OMAP243X_SDRC_SIZE,
105 .type = MT_DEVICE
106 },
107 {
108 .virtual = OMAP243X_SMS_VIRT,
109 .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS),
110 .length = OMAP243X_SMS_SIZE,
111 .type = MT_DEVICE
112 },
113};
114#endif
64#endif 115#endif
116
117#ifdef CONFIG_ARCH_OMAP34XX
118static struct map_desc omap34xx_io_desc[] __initdata = {
65 { 119 {
66 .virtual = DSP_MEM_24XX_VIRT, 120 .virtual = L3_34XX_VIRT,
67 .pfn = __phys_to_pfn(DSP_MEM_24XX_PHYS), 121 .pfn = __phys_to_pfn(L3_34XX_PHYS),
68 .length = DSP_MEM_24XX_SIZE, 122 .length = L3_34XX_SIZE,
69 .type = MT_DEVICE 123 .type = MT_DEVICE
70 }, 124 },
71 { 125 {
72 .virtual = DSP_IPI_24XX_VIRT, 126 .virtual = L4_34XX_VIRT,
73 .pfn = __phys_to_pfn(DSP_IPI_24XX_PHYS), 127 .pfn = __phys_to_pfn(L4_34XX_PHYS),
74 .length = DSP_IPI_24XX_SIZE, 128 .length = L4_34XX_SIZE,
75 .type = MT_DEVICE 129 .type = MT_DEVICE
76 }, 130 },
77 { 131 {
78 .virtual = DSP_MMU_24XX_VIRT, 132 .virtual = L4_WK_34XX_VIRT,
79 .pfn = __phys_to_pfn(DSP_MMU_24XX_PHYS), 133 .pfn = __phys_to_pfn(L4_WK_34XX_PHYS),
80 .length = DSP_MMU_24XX_SIZE, 134 .length = L4_WK_34XX_SIZE,
135 .type = MT_DEVICE
136 },
137 {
138 .virtual = OMAP34XX_GPMC_VIRT,
139 .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS),
140 .length = OMAP34XX_GPMC_SIZE,
81 .type = MT_DEVICE 141 .type = MT_DEVICE
82 } 142 },
143 {
144 .virtual = OMAP343X_SMS_VIRT,
145 .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS),
146 .length = OMAP343X_SMS_SIZE,
147 .type = MT_DEVICE
148 },
149 {
150 .virtual = OMAP343X_SDRC_VIRT,
151 .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS),
152 .length = OMAP343X_SDRC_SIZE,
153 .type = MT_DEVICE
154 },
155 {
156 .virtual = L4_PER_34XX_VIRT,
157 .pfn = __phys_to_pfn(L4_PER_34XX_PHYS),
158 .length = L4_PER_34XX_SIZE,
159 .type = MT_DEVICE
160 },
161 {
162 .virtual = L4_EMU_34XX_VIRT,
163 .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS),
164 .length = L4_EMU_34XX_SIZE,
165 .type = MT_DEVICE
166 },
83}; 167};
168#endif
84 169
85void __init omap2_map_common_io(void) 170void __init omap2_map_common_io(void)
86{ 171{
87 iotable_init(omap2_io_desc, ARRAY_SIZE(omap2_io_desc)); 172#if defined(CONFIG_ARCH_OMAP2420)
173 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
174 iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
175#endif
176
177#if defined(CONFIG_ARCH_OMAP2430)
178 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
179 iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
180#endif
181
182#if defined(CONFIG_ARCH_OMAP34XX)
183 iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
184#endif
88 185
89 /* Normally devicemaps_init() would flush caches and tlb after 186 /* Normally devicemaps_init() would flush caches and tlb after
90 * mdesc->map_io(), but we must also do it here because of the CPU 187 * mdesc->map_io(), but we must also do it here because of the CPU
@@ -101,12 +198,9 @@ void __init omap2_map_common_io(void)
101void __init omap2_init_common_hw(void) 198void __init omap2_init_common_hw(void)
102{ 199{
103 omap2_mux_init(); 200 omap2_mux_init();
201 pwrdm_init(powerdomains_omap);
202 clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);
104 omap2_clk_init(); 203 omap2_clk_init();
105/*
106 * Need to Fix this for 2430
107 */
108#ifndef CONFIG_ARCH_OMAP2430
109 omap2_init_memory(); 204 omap2_init_memory();
110#endif
111 gpmc_init(); 205 gpmc_init();
112} 206}