Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-omap2/io.c |
| 3 | * |
| 4 | * OMAP2 I/O mapping code |
| 5 | * |
| 6 | * Copyright (C) 2005 Nokia Corporation |
Santosh Shilimkar | 4416907 | 2009-05-28 14:16:04 -0700 | [diff] [blame] | 7 | * Copyright (C) 2007-2009 Texas Instruments |
Tony Lindgren | 646e3ed | 2008-10-06 15:49:36 +0300 | [diff] [blame] | 8 | * |
| 9 | * Author: |
| 10 | * Juha Yrjola <juha.yrjola@nokia.com> |
| 11 | * Syed Khasim <x0khasim@ti.com> |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 12 | * |
Santosh Shilimkar | 4416907 | 2009-05-28 14:16:04 -0700 | [diff] [blame] | 13 | * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com> |
| 14 | * |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 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. |
| 18 | */ |
| 19 | |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 20 | #include <linux/module.h> |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/init.h> |
Russell King | fced80c | 2008-09-06 12:10:45 +0100 | [diff] [blame] | 23 | #include <linux/io.h> |
Paul Walmsley | 2f135ea | 2009-06-19 19:08:25 -0600 | [diff] [blame] | 24 | #include <linux/clk.h> |
Tomi Valkeinen | 91773a0 | 2009-08-03 15:06:36 +0300 | [diff] [blame] | 25 | #include <linux/omapfb.h> |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 26 | |
Tony Lindgren | 120db2c | 2006-04-02 17:46:27 +0100 | [diff] [blame] | 27 | #include <asm/tlb.h> |
Tony Lindgren | 120db2c | 2006-04-02 17:46:27 +0100 | [diff] [blame] | 28 | |
| 29 | #include <asm/mach/map.h> |
| 30 | |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 31 | #include <plat/sram.h> |
| 32 | #include <plat/sdrc.h> |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 33 | #include <plat/serial.h> |
Tony Lindgren | 646e3ed | 2008-10-06 15:49:36 +0300 | [diff] [blame] | 34 | |
Paul Walmsley | e80a972 | 2010-01-26 20:13:12 -0700 | [diff] [blame] | 35 | #include "clock2xxx.h" |
Paul Walmsley | 657ebfa | 2010-02-22 22:09:20 -0700 | [diff] [blame] | 36 | #include "clock3xxx.h" |
Paul Walmsley | e80a972 | 2010-01-26 20:13:12 -0700 | [diff] [blame] | 37 | #include "clock44xx.h" |
Manjunath Kondaiah G | b0a330d | 2010-10-08 10:00:19 -0700 | [diff] [blame] | 38 | #include "io.h" |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 39 | |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 40 | #include <plat/omap-pm.h> |
Paul Walmsley | 72e06d0 | 2010-12-21 21:05:16 -0700 | [diff] [blame] | 41 | #include "powerdomain.h" |
Paul Walmsley | 9717100 | 2008-08-19 11:08:40 +0300 | [diff] [blame] | 42 | |
Paul Walmsley | 1540f214 | 2010-12-21 21:05:15 -0700 | [diff] [blame] | 43 | #include "clockdomain.h" |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 44 | #include <plat/omap_hwmod.h> |
Tony Lindgren | 5d190c4 | 2010-12-09 15:49:23 -0800 | [diff] [blame] | 45 | #include <plat/multi.h> |
Paul Walmsley | 02bfc03 | 2009-09-03 20:14:05 +0300 | [diff] [blame] | 46 | |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 47 | /* |
| 48 | * The machine specific code may provide the extra mapping besides the |
| 49 | * default mapping provided here. |
| 50 | */ |
Syed Mohammed, Khasim | cc26b3b | 2008-10-09 17:51:41 +0300 | [diff] [blame] | 51 | |
Tony Lindgren | 088ef95 | 2010-02-12 12:26:47 -0800 | [diff] [blame] | 52 | #ifdef CONFIG_ARCH_OMAP2 |
Syed Mohammed, Khasim | cc26b3b | 2008-10-09 17:51:41 +0300 | [diff] [blame] | 53 | static struct map_desc omap24xx_io_desc[] __initdata = { |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 54 | { |
| 55 | .virtual = L3_24XX_VIRT, |
| 56 | .pfn = __phys_to_pfn(L3_24XX_PHYS), |
| 57 | .length = L3_24XX_SIZE, |
| 58 | .type = MT_DEVICE |
| 59 | }, |
Kyungmin Park | 09f21ed | 2008-02-20 15:30:06 -0800 | [diff] [blame] | 60 | { |
Syed Mohammed, Khasim | cc26b3b | 2008-10-09 17:51:41 +0300 | [diff] [blame] | 61 | .virtual = L4_24XX_VIRT, |
| 62 | .pfn = __phys_to_pfn(L4_24XX_PHYS), |
| 63 | .length = L4_24XX_SIZE, |
Syed Mohammed Khasim | 72d0f1c | 2006-12-06 17:14:05 -0800 | [diff] [blame] | 64 | .type = MT_DEVICE |
| 65 | }, |
Syed Mohammed, Khasim | cc26b3b | 2008-10-09 17:51:41 +0300 | [diff] [blame] | 66 | }; |
| 67 | |
Tony Lindgren | 59b479e | 2011-01-27 16:39:40 -0800 | [diff] [blame] | 68 | #ifdef CONFIG_SOC_OMAP2420 |
Syed Mohammed, Khasim | cc26b3b | 2008-10-09 17:51:41 +0300 | [diff] [blame] | 69 | static struct map_desc omap242x_io_desc[] __initdata = { |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 70 | { |
Paul Walmsley | 7adb998 | 2010-01-08 15:23:05 -0700 | [diff] [blame] | 71 | .virtual = DSP_MEM_2420_VIRT, |
| 72 | .pfn = __phys_to_pfn(DSP_MEM_2420_PHYS), |
| 73 | .length = DSP_MEM_2420_SIZE, |
Tony Lindgren | c40fae95 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 74 | .type = MT_DEVICE |
| 75 | }, |
| 76 | { |
Paul Walmsley | 7adb998 | 2010-01-08 15:23:05 -0700 | [diff] [blame] | 77 | .virtual = DSP_IPI_2420_VIRT, |
| 78 | .pfn = __phys_to_pfn(DSP_IPI_2420_PHYS), |
| 79 | .length = DSP_IPI_2420_SIZE, |
Tony Lindgren | c40fae95 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 80 | .type = MT_DEVICE |
| 81 | }, |
| 82 | { |
Paul Walmsley | 7adb998 | 2010-01-08 15:23:05 -0700 | [diff] [blame] | 83 | .virtual = DSP_MMU_2420_VIRT, |
| 84 | .pfn = __phys_to_pfn(DSP_MMU_2420_PHYS), |
| 85 | .length = DSP_MMU_2420_SIZE, |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 86 | .type = MT_DEVICE |
Syed Mohammed, Khasim | cc26b3b | 2008-10-09 17:51:41 +0300 | [diff] [blame] | 87 | }, |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 88 | }; |
| 89 | |
Syed Mohammed, Khasim | cc26b3b | 2008-10-09 17:51:41 +0300 | [diff] [blame] | 90 | #endif |
| 91 | |
Tony Lindgren | 59b479e | 2011-01-27 16:39:40 -0800 | [diff] [blame] | 92 | #ifdef CONFIG_SOC_OMAP2430 |
Syed Mohammed, Khasim | cc26b3b | 2008-10-09 17:51:41 +0300 | [diff] [blame] | 93 | static struct map_desc omap243x_io_desc[] __initdata = { |
| 94 | { |
| 95 | .virtual = L4_WK_243X_VIRT, |
| 96 | .pfn = __phys_to_pfn(L4_WK_243X_PHYS), |
| 97 | .length = L4_WK_243X_SIZE, |
| 98 | .type = MT_DEVICE |
| 99 | }, |
| 100 | { |
| 101 | .virtual = OMAP243X_GPMC_VIRT, |
| 102 | .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS), |
| 103 | .length = OMAP243X_GPMC_SIZE, |
| 104 | .type = MT_DEVICE |
| 105 | }, |
| 106 | { |
| 107 | .virtual = OMAP243X_SDRC_VIRT, |
| 108 | .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS), |
| 109 | .length = OMAP243X_SDRC_SIZE, |
| 110 | .type = MT_DEVICE |
| 111 | }, |
| 112 | { |
| 113 | .virtual = OMAP243X_SMS_VIRT, |
| 114 | .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS), |
| 115 | .length = OMAP243X_SMS_SIZE, |
| 116 | .type = MT_DEVICE |
| 117 | }, |
| 118 | }; |
| 119 | #endif |
| 120 | #endif |
| 121 | |
Tony Lindgren | a8eb7ca | 2010-02-12 12:26:48 -0800 | [diff] [blame] | 122 | #ifdef CONFIG_ARCH_OMAP3 |
Syed Mohammed, Khasim | cc26b3b | 2008-10-09 17:51:41 +0300 | [diff] [blame] | 123 | static struct map_desc omap34xx_io_desc[] __initdata = { |
| 124 | { |
| 125 | .virtual = L3_34XX_VIRT, |
| 126 | .pfn = __phys_to_pfn(L3_34XX_PHYS), |
| 127 | .length = L3_34XX_SIZE, |
| 128 | .type = MT_DEVICE |
| 129 | }, |
| 130 | { |
| 131 | .virtual = L4_34XX_VIRT, |
| 132 | .pfn = __phys_to_pfn(L4_34XX_PHYS), |
| 133 | .length = L4_34XX_SIZE, |
| 134 | .type = MT_DEVICE |
| 135 | }, |
| 136 | { |
Syed Mohammed, Khasim | cc26b3b | 2008-10-09 17:51:41 +0300 | [diff] [blame] | 137 | .virtual = OMAP34XX_GPMC_VIRT, |
| 138 | .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS), |
| 139 | .length = OMAP34XX_GPMC_SIZE, |
| 140 | .type = MT_DEVICE |
| 141 | }, |
| 142 | { |
| 143 | .virtual = OMAP343X_SMS_VIRT, |
| 144 | .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS), |
| 145 | .length = OMAP343X_SMS_SIZE, |
| 146 | .type = MT_DEVICE |
| 147 | }, |
| 148 | { |
| 149 | .virtual = OMAP343X_SDRC_VIRT, |
| 150 | .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS), |
| 151 | .length = OMAP343X_SDRC_SIZE, |
| 152 | .type = MT_DEVICE |
| 153 | }, |
| 154 | { |
| 155 | .virtual = L4_PER_34XX_VIRT, |
| 156 | .pfn = __phys_to_pfn(L4_PER_34XX_PHYS), |
| 157 | .length = L4_PER_34XX_SIZE, |
| 158 | .type = MT_DEVICE |
| 159 | }, |
| 160 | { |
| 161 | .virtual = L4_EMU_34XX_VIRT, |
| 162 | .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS), |
| 163 | .length = L4_EMU_34XX_SIZE, |
| 164 | .type = MT_DEVICE |
| 165 | }, |
Tony Lindgren | a4f57b8 | 2010-04-30 12:57:14 -0700 | [diff] [blame] | 166 | #if defined(CONFIG_DEBUG_LL) && \ |
| 167 | (defined(CONFIG_MACH_OMAP_ZOOM2) || defined(CONFIG_MACH_OMAP_ZOOM3)) |
| 168 | { |
| 169 | .virtual = ZOOM_UART_VIRT, |
| 170 | .pfn = __phys_to_pfn(ZOOM_UART_BASE), |
| 171 | .length = SZ_1M, |
| 172 | .type = MT_DEVICE |
| 173 | }, |
| 174 | #endif |
Syed Mohammed, Khasim | cc26b3b | 2008-10-09 17:51:41 +0300 | [diff] [blame] | 175 | }; |
| 176 | #endif |
Hemant Pedanekar | 0100171 | 2011-02-16 08:31:39 -0800 | [diff] [blame] | 177 | |
| 178 | #ifdef CONFIG_SOC_OMAPTI816X |
| 179 | static struct map_desc omapti816x_io_desc[] __initdata = { |
| 180 | { |
| 181 | .virtual = L4_34XX_VIRT, |
| 182 | .pfn = __phys_to_pfn(L4_34XX_PHYS), |
| 183 | .length = L4_34XX_SIZE, |
| 184 | .type = MT_DEVICE |
| 185 | }, |
| 186 | }; |
| 187 | #endif |
| 188 | |
Santosh Shilimkar | 4416907 | 2009-05-28 14:16:04 -0700 | [diff] [blame] | 189 | #ifdef CONFIG_ARCH_OMAP4 |
| 190 | static struct map_desc omap44xx_io_desc[] __initdata = { |
| 191 | { |
| 192 | .virtual = L3_44XX_VIRT, |
| 193 | .pfn = __phys_to_pfn(L3_44XX_PHYS), |
| 194 | .length = L3_44XX_SIZE, |
| 195 | .type = MT_DEVICE, |
| 196 | }, |
| 197 | { |
| 198 | .virtual = L4_44XX_VIRT, |
| 199 | .pfn = __phys_to_pfn(L4_44XX_PHYS), |
| 200 | .length = L4_44XX_SIZE, |
| 201 | .type = MT_DEVICE, |
| 202 | }, |
| 203 | { |
Santosh Shilimkar | 4416907 | 2009-05-28 14:16:04 -0700 | [diff] [blame] | 204 | .virtual = OMAP44XX_GPMC_VIRT, |
| 205 | .pfn = __phys_to_pfn(OMAP44XX_GPMC_PHYS), |
| 206 | .length = OMAP44XX_GPMC_SIZE, |
| 207 | .type = MT_DEVICE, |
| 208 | }, |
| 209 | { |
Santosh Shilimkar | f5d2d65 | 2009-10-19 17:25:57 -0700 | [diff] [blame] | 210 | .virtual = OMAP44XX_EMIF1_VIRT, |
| 211 | .pfn = __phys_to_pfn(OMAP44XX_EMIF1_PHYS), |
| 212 | .length = OMAP44XX_EMIF1_SIZE, |
| 213 | .type = MT_DEVICE, |
| 214 | }, |
| 215 | { |
| 216 | .virtual = OMAP44XX_EMIF2_VIRT, |
| 217 | .pfn = __phys_to_pfn(OMAP44XX_EMIF2_PHYS), |
| 218 | .length = OMAP44XX_EMIF2_SIZE, |
| 219 | .type = MT_DEVICE, |
| 220 | }, |
| 221 | { |
| 222 | .virtual = OMAP44XX_DMM_VIRT, |
| 223 | .pfn = __phys_to_pfn(OMAP44XX_DMM_PHYS), |
| 224 | .length = OMAP44XX_DMM_SIZE, |
| 225 | .type = MT_DEVICE, |
| 226 | }, |
| 227 | { |
Santosh Shilimkar | 4416907 | 2009-05-28 14:16:04 -0700 | [diff] [blame] | 228 | .virtual = L4_PER_44XX_VIRT, |
| 229 | .pfn = __phys_to_pfn(L4_PER_44XX_PHYS), |
| 230 | .length = L4_PER_44XX_SIZE, |
| 231 | .type = MT_DEVICE, |
| 232 | }, |
| 233 | { |
| 234 | .virtual = L4_EMU_44XX_VIRT, |
| 235 | .pfn = __phys_to_pfn(L4_EMU_44XX_PHYS), |
| 236 | .length = L4_EMU_44XX_SIZE, |
| 237 | .type = MT_DEVICE, |
| 238 | }, |
| 239 | }; |
| 240 | #endif |
Syed Mohammed, Khasim | cc26b3b | 2008-10-09 17:51:41 +0300 | [diff] [blame] | 241 | |
Tony Lindgren | 6fbd55d | 2010-02-12 12:26:47 -0800 | [diff] [blame] | 242 | static void __init _omap2_map_common_io(void) |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 243 | { |
Tony Lindgren | 120db2c | 2006-04-02 17:46:27 +0100 | [diff] [blame] | 244 | /* Normally devicemaps_init() would flush caches and tlb after |
| 245 | * mdesc->map_io(), but we must also do it here because of the CPU |
| 246 | * revision check below. |
| 247 | */ |
| 248 | local_flush_tlb_all(); |
| 249 | flush_cache_all(); |
| 250 | |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 251 | omap2_check_revision(); |
| 252 | omap_sram_init(); |
Tony Lindgren | 120db2c | 2006-04-02 17:46:27 +0100 | [diff] [blame] | 253 | } |
| 254 | |
Tony Lindgren | 59b479e | 2011-01-27 16:39:40 -0800 | [diff] [blame] | 255 | #ifdef CONFIG_SOC_OMAP2420 |
Aaro Koskinen | 8185e46 | 2010-03-03 16:24:53 +0000 | [diff] [blame] | 256 | void __init omap242x_map_common_io(void) |
Tony Lindgren | 6fbd55d | 2010-02-12 12:26:47 -0800 | [diff] [blame] | 257 | { |
| 258 | iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); |
| 259 | iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc)); |
| 260 | _omap2_map_common_io(); |
| 261 | } |
| 262 | #endif |
| 263 | |
Tony Lindgren | 59b479e | 2011-01-27 16:39:40 -0800 | [diff] [blame] | 264 | #ifdef CONFIG_SOC_OMAP2430 |
Aaro Koskinen | 8185e46 | 2010-03-03 16:24:53 +0000 | [diff] [blame] | 265 | void __init omap243x_map_common_io(void) |
Tony Lindgren | 6fbd55d | 2010-02-12 12:26:47 -0800 | [diff] [blame] | 266 | { |
| 267 | iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); |
| 268 | iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc)); |
| 269 | _omap2_map_common_io(); |
| 270 | } |
| 271 | #endif |
| 272 | |
Tony Lindgren | a8eb7ca | 2010-02-12 12:26:48 -0800 | [diff] [blame] | 273 | #ifdef CONFIG_ARCH_OMAP3 |
Aaro Koskinen | 8185e46 | 2010-03-03 16:24:53 +0000 | [diff] [blame] | 274 | void __init omap34xx_map_common_io(void) |
Tony Lindgren | 6fbd55d | 2010-02-12 12:26:47 -0800 | [diff] [blame] | 275 | { |
| 276 | iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc)); |
| 277 | _omap2_map_common_io(); |
| 278 | } |
| 279 | #endif |
| 280 | |
Hemant Pedanekar | 0100171 | 2011-02-16 08:31:39 -0800 | [diff] [blame] | 281 | #ifdef CONFIG_SOC_OMAPTI816X |
| 282 | void __init omapti816x_map_common_io(void) |
| 283 | { |
| 284 | iotable_init(omapti816x_io_desc, ARRAY_SIZE(omapti816x_io_desc)); |
| 285 | _omap2_map_common_io(); |
| 286 | } |
| 287 | #endif |
| 288 | |
Tony Lindgren | 6fbd55d | 2010-02-12 12:26:47 -0800 | [diff] [blame] | 289 | #ifdef CONFIG_ARCH_OMAP4 |
Aaro Koskinen | 8185e46 | 2010-03-03 16:24:53 +0000 | [diff] [blame] | 290 | void __init omap44xx_map_common_io(void) |
Tony Lindgren | 6fbd55d | 2010-02-12 12:26:47 -0800 | [diff] [blame] | 291 | { |
| 292 | iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc)); |
| 293 | _omap2_map_common_io(); |
| 294 | } |
| 295 | #endif |
| 296 | |
Paul Walmsley | 2f135ea | 2009-06-19 19:08:25 -0600 | [diff] [blame] | 297 | /* |
| 298 | * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters |
| 299 | * |
| 300 | * Sets the CORE DPLL3 M2 divider to the same value that it's at |
| 301 | * currently. This has the effect of setting the SDRC SDRAM AC timing |
| 302 | * registers to the values currently defined by the kernel. Currently |
| 303 | * only defined for OMAP3; will return 0 if called on OMAP2. Returns |
| 304 | * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2, |
| 305 | * or passes along the return value of clk_set_rate(). |
| 306 | */ |
| 307 | static int __init _omap2_init_reprogram_sdrc(void) |
| 308 | { |
| 309 | struct clk *dpll3_m2_ck; |
| 310 | int v = -EINVAL; |
| 311 | long rate; |
| 312 | |
| 313 | if (!cpu_is_omap34xx()) |
| 314 | return 0; |
| 315 | |
| 316 | dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck"); |
Aaro Koskinen | e281f7e | 2010-11-30 14:17:58 +0000 | [diff] [blame] | 317 | if (IS_ERR(dpll3_m2_ck)) |
Paul Walmsley | 2f135ea | 2009-06-19 19:08:25 -0600 | [diff] [blame] | 318 | return -EINVAL; |
| 319 | |
| 320 | rate = clk_get_rate(dpll3_m2_ck); |
| 321 | pr_info("Reprogramming SDRC clock to %ld Hz\n", rate); |
| 322 | v = clk_set_rate(dpll3_m2_ck, rate); |
| 323 | if (v) |
| 324 | pr_err("dpll3_m2_clk rate change failed: %d\n", v); |
| 325 | |
| 326 | clk_put(dpll3_m2_ck); |
| 327 | |
| 328 | return v; |
| 329 | } |
| 330 | |
Paul Walmsley | 2092e5c | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 331 | static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data) |
| 332 | { |
| 333 | return omap_hwmod_set_postsetup_state(oh, *(u8 *)data); |
| 334 | } |
| 335 | |
Tony Lindgren | 741e3a8 | 2011-05-17 03:51:26 -0700 | [diff] [blame] | 336 | /* See irq.c, omap4-common.c and entry-macro.S */ |
Russell King | 9f9605c | 2011-01-07 11:57:44 +0000 | [diff] [blame] | 337 | void __iomem *omap_irq_base; |
| 338 | |
Paul Walmsley | 4805734 | 2010-12-21 15:25:10 -0700 | [diff] [blame] | 339 | void __init omap2_init_common_infrastructure(void) |
Tony Lindgren | 120db2c | 2006-04-02 17:46:27 +0100 | [diff] [blame] | 340 | { |
Paul Walmsley | 2092e5c | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 341 | u8 postsetup_state; |
| 342 | |
Paul Walmsley | 6e01478 | 2010-12-21 20:01:20 -0700 | [diff] [blame] | 343 | if (cpu_is_omap242x()) { |
| 344 | omap2xxx_powerdomains_init(); |
Paul Walmsley | a5ffef6 | 2011-09-14 16:01:21 -0600 | [diff] [blame] | 345 | omap242x_clockdomains_init(); |
Paul Walmsley | 7359154 | 2010-02-22 22:09:32 -0700 | [diff] [blame] | 346 | omap2420_hwmod_init(); |
Paul Walmsley | 6e01478 | 2010-12-21 20:01:20 -0700 | [diff] [blame] | 347 | } else if (cpu_is_omap243x()) { |
| 348 | omap2xxx_powerdomains_init(); |
Paul Walmsley | a5ffef6 | 2011-09-14 16:01:21 -0600 | [diff] [blame] | 349 | omap243x_clockdomains_init(); |
Paul Walmsley | 7359154 | 2010-02-22 22:09:32 -0700 | [diff] [blame] | 350 | omap2430_hwmod_init(); |
Paul Walmsley | 6e01478 | 2010-12-21 20:01:20 -0700 | [diff] [blame] | 351 | } else if (cpu_is_omap34xx()) { |
| 352 | omap3xxx_powerdomains_init(); |
Rajendra Nayak | 4aef7a2 | 2011-02-25 16:06:47 -0700 | [diff] [blame] | 353 | omap3xxx_clockdomains_init(); |
Paul Walmsley | 7359154 | 2010-02-22 22:09:32 -0700 | [diff] [blame] | 354 | omap3xxx_hwmod_init(); |
Paul Walmsley | 6e01478 | 2010-12-21 20:01:20 -0700 | [diff] [blame] | 355 | } else if (cpu_is_omap44xx()) { |
| 356 | omap44xx_powerdomains_init(); |
Paul Walmsley | dc0b3a7 | 2010-12-21 20:01:20 -0700 | [diff] [blame] | 357 | omap44xx_clockdomains_init(); |
Benoit Cousson | 55d2cb0 | 2010-05-12 17:54:36 +0200 | [diff] [blame] | 358 | omap44xx_hwmod_init(); |
Paul Walmsley | 6e01478 | 2010-12-21 20:01:20 -0700 | [diff] [blame] | 359 | } else { |
Paul Walmsley | 2092e5c | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 360 | pr_err("Could not init hwmod data - unknown SoC\n"); |
Paul Walmsley | 6e01478 | 2010-12-21 20:01:20 -0700 | [diff] [blame] | 361 | } |
Paul Walmsley | 2092e5c | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 362 | |
| 363 | /* Set the default postsetup state for all hwmods */ |
| 364 | #ifdef CONFIG_PM_RUNTIME |
| 365 | postsetup_state = _HWMOD_STATE_IDLE; |
| 366 | #else |
| 367 | postsetup_state = _HWMOD_STATE_ENABLED; |
| 368 | #endif |
| 369 | omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state); |
Benoit Cousson | 55d2cb0 | 2010-05-12 17:54:36 +0200 | [diff] [blame] | 370 | |
Paul Walmsley | ff2516f | 2010-12-21 15:39:15 -0700 | [diff] [blame] | 371 | /* |
| 372 | * Set the default postsetup state for unusual modules (like |
| 373 | * MPU WDT). |
| 374 | * |
| 375 | * The postsetup_state is not actually used until |
| 376 | * omap_hwmod_late_init(), so boards that desire full watchdog |
| 377 | * coverage of kernel initialization can reprogram the |
| 378 | * postsetup_state between the calls to |
| 379 | * omap2_init_common_infra() and omap2_init_common_devices(). |
| 380 | * |
| 381 | * XXX ideally we could detect whether the MPU WDT was currently |
| 382 | * enabled here and make this conditional |
| 383 | */ |
| 384 | postsetup_state = _HWMOD_STATE_DISABLED; |
| 385 | omap_hwmod_for_each_by_class("wd_timer", |
| 386 | _set_hwmod_postsetup_state, |
| 387 | &postsetup_state); |
| 388 | |
Kevin Hilman | 53da4ce | 2010-12-09 09:13:48 -0600 | [diff] [blame] | 389 | omap_pm_if_early_init(); |
Paul Walmsley | e80a972 | 2010-01-26 20:13:12 -0700 | [diff] [blame] | 390 | |
Paul Walmsley | 81b34fb | 2010-02-22 22:09:22 -0700 | [diff] [blame] | 391 | if (cpu_is_omap2420()) |
| 392 | omap2420_clk_init(); |
| 393 | else if (cpu_is_omap2430()) |
| 394 | omap2430_clk_init(); |
Paul Walmsley | e80a972 | 2010-01-26 20:13:12 -0700 | [diff] [blame] | 395 | else if (cpu_is_omap34xx()) |
| 396 | omap3xxx_clk_init(); |
| 397 | else if (cpu_is_omap44xx()) |
| 398 | omap4xxx_clk_init(); |
| 399 | else |
Paul Walmsley | 2092e5c | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 400 | pr_err("Could not init clock framework - unknown SoC\n"); |
Paul Walmsley | 4805734 | 2010-12-21 15:25:10 -0700 | [diff] [blame] | 401 | } |
| 402 | |
Paul Walmsley | 4805734 | 2010-12-21 15:25:10 -0700 | [diff] [blame] | 403 | void __init omap2_init_common_devices(struct omap_sdrc_params *sdrc_cs0, |
| 404 | struct omap_sdrc_params *sdrc_cs1) |
| 405 | { |
Hemant Pedanekar | 0100171 | 2011-02-16 08:31:39 -0800 | [diff] [blame] | 406 | if (cpu_is_omap24xx() || omap3_has_sdrc()) { |
Kevin Hilman | aa4b1f6 | 2010-03-10 17:16:31 +0000 | [diff] [blame] | 407 | omap2_sdrc_init(sdrc_cs0, sdrc_cs1); |
| 408 | _omap2_init_reprogram_sdrc(); |
| 409 | } |
Tony Lindgren | 5d190c4 | 2010-12-09 15:49:23 -0800 | [diff] [blame] | 410 | |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 411 | } |
Tony Lindgren | df1e9d1 | 2010-12-10 09:46:24 -0800 | [diff] [blame] | 412 | |
| 413 | /* |
| 414 | * NOTE: Please use ioremap + __raw_read/write where possible instead of these |
| 415 | */ |
| 416 | |
| 417 | u8 omap_readb(u32 pa) |
| 418 | { |
| 419 | return __raw_readb(OMAP2_L4_IO_ADDRESS(pa)); |
| 420 | } |
| 421 | EXPORT_SYMBOL(omap_readb); |
| 422 | |
| 423 | u16 omap_readw(u32 pa) |
| 424 | { |
| 425 | return __raw_readw(OMAP2_L4_IO_ADDRESS(pa)); |
| 426 | } |
| 427 | EXPORT_SYMBOL(omap_readw); |
| 428 | |
| 429 | u32 omap_readl(u32 pa) |
| 430 | { |
| 431 | return __raw_readl(OMAP2_L4_IO_ADDRESS(pa)); |
| 432 | } |
| 433 | EXPORT_SYMBOL(omap_readl); |
| 434 | |
| 435 | void omap_writeb(u8 v, u32 pa) |
| 436 | { |
| 437 | __raw_writeb(v, OMAP2_L4_IO_ADDRESS(pa)); |
| 438 | } |
| 439 | EXPORT_SYMBOL(omap_writeb); |
| 440 | |
| 441 | void omap_writew(u16 v, u32 pa) |
| 442 | { |
| 443 | __raw_writew(v, OMAP2_L4_IO_ADDRESS(pa)); |
| 444 | } |
| 445 | EXPORT_SYMBOL(omap_writew); |
| 446 | |
| 447 | void omap_writel(u32 v, u32 pa) |
| 448 | { |
| 449 | __raw_writel(v, OMAP2_L4_IO_ADDRESS(pa)); |
| 450 | } |
| 451 | EXPORT_SYMBOL(omap_writel); |