arch/arm/mach-omap2/common.c

   1 /*
   2  * linux/arch/arm/mach-omap2/common.c
   3  *
   4  * Code common to all OMAP2+ machines.
   5  *
   6  * Copyright (C) 2009 Texas Instruments
   7  * Copyright (C) 2010 Nokia Corporation
   8  * Tony Lindgren <tony@atomide.com>
   9  * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  */
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/clk.h>
  18 #include <linux/io.h>
  19
  20 #include <plat/hardware.h>
  21 #include <plat/board.h>
  22 #include <plat/mux.h>
  23 #include <plat/clock.h>
  24
  25 #include "iomap.h"
  26 #include "common.h"
  27 #include "sdrc.h"
  28 #include "control.h"
  29
  30 /* Global address base setup code */
  31
  32 static void __init __omap2_set_globals(struct omap_globals *omap2_globals)
  33 {
  34         omap2_set_globals_tap(omap2_globals);
  35         omap2_set_globals_sdrc(omap2_globals);
  36         omap2_set_globals_control(omap2_globals);
  37         omap2_set_globals_prcm(omap2_globals);
  38 }
  39
  40 #if defined(CONFIG_SOC_OMAP2420)
  41
  42 static struct omap_globals omap242x_globals = {
  43         .class  = OMAP242X_CLASS,
  44         .tap    = OMAP2_L4_IO_ADDRESS(0x48014000),
  45         .sdrc   = OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
  46         .sms    = OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE),
  47         .ctrl   = OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE),
  48         .prm    = OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE),
  49         .cm     = OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE),
  50 };
  51
  52 void __init omap2_set_globals_242x(void)
  53 {
  54         __omap2_set_globals(&omap242x_globals);
  55 }
  56
  57 void __init omap242x_map_io(void)
  58 {
  59         omap242x_map_common_io();
  60 }
  61 #endif
  62
  63 #if defined(CONFIG_SOC_OMAP2430)
  64
  65 static struct omap_globals omap243x_globals = {
  66         .class  = OMAP243X_CLASS,
  67         .tap    = OMAP2_L4_IO_ADDRESS(0x4900a000),
  68         .sdrc   = OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
  69         .sms    = OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE),
  70         .ctrl   = OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE),
  71         .prm    = OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE),
  72         .cm     = OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE),
  73 };
  74
  75 void __init omap2_set_globals_243x(void)
  76 {
  77         __omap2_set_globals(&omap243x_globals);
  78 }
  79
  80 void __init omap243x_map_io(void)
  81 {
  82         omap243x_map_common_io();
  83 }
  84 #endif
  85
  86 #if defined(CONFIG_ARCH_OMAP3)
  87
  88 static struct omap_globals omap3_globals = {
  89         .class  = OMAP343X_CLASS,
  90         .tap    = OMAP2_L4_IO_ADDRESS(0x4830A000),
  91         .sdrc   = OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
  92         .sms    = OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE),
  93         .ctrl   = OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE),
  94         .prm    = OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE),
  95         .cm     = OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE),
  96 };
  97
  98 void __init omap2_set_globals_3xxx(void)
  99 {
 100         __omap2_set_globals(&omap3_globals);
 101 }
 102
 103 void __init omap3_map_io(void)
 104 {
 105         omap34xx_map_common_io();
 106 }
 107
 108 /*
 109  * Adjust TAP register base such that omap3_check_revision accesses the correct
 110  * TI81XX register for checking device ID (it adds 0x204 to tap base while
 111  * TI81XX DEVICE ID register is at offset 0x600 from control base).
 112  */
 113 #define TI81XX_TAP_BASE         (TI81XX_CTRL_BASE + \
 114                                 TI81XX_CONTROL_DEVICE_ID - 0x204)
 115
 116 static struct omap_globals ti81xx_globals = {
 117         .class  = OMAP343X_CLASS,
 118         .tap    = OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE),
 119         .ctrl   = OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
 120         .prm    = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE),
 121         .cm     = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE),
 122 };
 123
 124 void __init omap2_set_globals_ti81xx(void)
 125 {
 126         __omap2_set_globals(&ti81xx_globals);
 127 }
 128
 129 void __init ti81xx_map_io(void)
 130 {
 131         omapti81xx_map_common_io();
 132 }
 133 #endif
 134
 135 #if defined(CONFIG_SOC_AM33XX)
 136 #define AM33XX_TAP_BASE         (AM33XX_CTRL_BASE + \
 137                                 TI81XX_CONTROL_DEVICE_ID - 0x204)
 138
 139 static struct omap_globals am33xx_globals = {
 140         .class  = AM335X_CLASS,
 141         .tap    = AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE),
 142         .ctrl   = AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
 143         .prm    = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE),
 144         .cm     = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE),
 145 };
 146
 147 void __init omap2_set_globals_am33xx(void)
 148 {
 149         __omap2_set_globals(&am33xx_globals);
 150 }
 151
 152 void __init am33xx_map_io(void)
 153 {
 154         omapam33xx_map_common_io();
 155 }
 156 #endif
 157
 158 #if defined(CONFIG_ARCH_OMAP4)
 159 static struct omap_globals omap4_globals = {
 160         .class  = OMAP443X_CLASS,
 161         .tap    = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
 162         .ctrl   = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
 163         .ctrl_pad       = OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE),
 164         .prm    = OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE),
 165         .cm     = OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE),
 166         .cm2    = OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE),
 167         .prcm_mpu       = OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE),
 168 };
 169
 170 void __init omap2_set_globals_443x(void)
 171 {
 172         __omap2_set_globals(&omap4_globals);
 173 }
 174
 175 void __init omap4_map_io(void)
 176 {
 177         omap44xx_map_common_io();
 178 }
 179 #endif
 180
 181 #if defined(CONFIG_SOC_OMAP5)
 182 static struct omap_globals omap5_globals = {
 183         .class  = OMAP54XX_CLASS,
 184         .tap    = OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
 185         .ctrl   = OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
 186         .ctrl_pad       = OMAP2_L4_IO_ADDRESS(OMAP54XX_CTRL_BASE),
 187         .prm    = OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE),
 188         .cm     = OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_AON_BASE),
 189         .cm2    = OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE),
 190         .prcm_mpu = OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE),
 191 };
 192
 193 void __init omap2_set_globals_5xxx(void)
 194 {
 195         omap2_set_globals_tap(&omap5_globals);
 196         omap2_set_globals_control(&omap5_globals);
 197         omap2_set_globals_prcm(&omap5_globals);
 198 }
 199
 200 void __init omap5_map_io(void)
 201 {
 202         omap5_map_common_io();
 203 }
 204 #endif