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/clock.h>
  21
  22 #include "soc.h"
  23 #include "iomap.h"
  24 #include "common.h"
  25 #include "sdrc.h"
  26 #include "control.h"
  27
  28 /* Global address base setup code */
  29
  30 static void __init __omap2_set_globals(struct omap_globals *omap2_globals)
  31 {
  32         omap2_set_globals_tap(omap2_globals);
  33         omap2_set_globals_sdrc(omap2_globals);
  34         omap2_set_globals_control(omap2_globals);
  35         omap2_set_globals_prcm(omap2_globals);
  36 }
  37
  38 #if defined(CONFIG_SOC_OMAP2420)
  39
  40 static struct omap_globals omap242x_globals = {
  41         .class  = OMAP242X_CLASS,
  42         .tap    = OMAP2_L4_IO_ADDRESS(0x48014000),
  43         .sdrc   = OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
  44         .sms    = OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE),
  45         .ctrl   = OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE),
  46         .prm    = OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE),
  47         .cm     = OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE),
  48 };
  49
  50 void __init omap2_set_globals_242x(void)
  51 {
  52         __omap2_set_globals(&omap242x_globals);
  53 }
  54
  55 void __init omap242x_map_io(void)
  56 {
  57         omap242x_map_common_io();
  58 }
  59 #endif
  60
  61 #if defined(CONFIG_SOC_OMAP2430)
  62
  63 static struct omap_globals omap243x_globals = {
  64         .class  = OMAP243X_CLASS,
  65         .tap    = OMAP2_L4_IO_ADDRESS(0x4900a000),
  66         .sdrc   = OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
  67         .sms    = OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE),
  68         .ctrl   = OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE),
  69         .prm    = OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE),
  70         .cm     = OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE),
  71 };
  72
  73 void __init omap2_set_globals_243x(void)
  74 {
  75         __omap2_set_globals(&omap243x_globals);
  76 }
  77
  78 void __init omap243x_map_io(void)
  79 {
  80         omap243x_map_common_io();
  81 }
  82 #endif
  83
  84 #if defined(CONFIG_ARCH_OMAP3)
  85
  86 static struct omap_globals omap3_globals = {
  87         .class  = OMAP343X_CLASS,
  88         .tap    = OMAP2_L4_IO_ADDRESS(0x4830A000),
  89         .sdrc   = OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
  90         .sms    = OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE),
  91         .ctrl   = OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE),
  92         .prm    = OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE),
  93         .cm     = OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE),
  94 };
  95
  96 void __init omap2_set_globals_3xxx(void)
  97 {
  98         __omap2_set_globals(&omap3_globals);
  99 }
 100
 101 void __init omap3_map_io(void)
 102 {
 103         omap34xx_map_common_io();
 104 }
 105
 106 /*
 107  * Adjust TAP register base such that omap3_check_revision accesses the correct
 108  * TI81XX register for checking device ID (it adds 0x204 to tap base while
 109  * TI81XX DEVICE ID register is at offset 0x600 from control base).
 110  */
 111 #define TI81XX_TAP_BASE         (TI81XX_CTRL_BASE + \
 112                                 TI81XX_CONTROL_DEVICE_ID - 0x204)
 113
 114 static struct omap_globals ti81xx_globals = {
 115         .class  = OMAP343X_CLASS,
 116         .tap    = OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE),
 117         .ctrl   = OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
 118         .prm    = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE),
 119         .cm     = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE),
 120 };
 121
 122 void __init omap2_set_globals_ti81xx(void)
 123 {
 124         __omap2_set_globals(&ti81xx_globals);
 125 }
 126
 127 void __init ti81xx_map_io(void)
 128 {
 129         omapti81xx_map_common_io();
 130 }
 131 #endif
 132
 133 #if defined(CONFIG_SOC_AM33XX)
 134 #define AM33XX_TAP_BASE         (AM33XX_CTRL_BASE + \
 135                                 TI81XX_CONTROL_DEVICE_ID - 0x204)
 136
 137 static struct omap_globals am33xx_globals = {
 138         .class  = AM335X_CLASS,
 139         .tap    = AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE),
 140         .ctrl   = AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
 141         .prm    = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE),
 142         .cm     = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE),
 143 };
 144
 145 void __init omap2_set_globals_am33xx(void)
 146 {
 147         __omap2_set_globals(&am33xx_globals);
 148 }
 149
 150 void __init am33xx_map_io(void)
 151 {
 152         omapam33xx_map_common_io();
 153 }
 154 #endif
 155
 156 #if defined(CONFIG_ARCH_OMAP4)
 157 static struct omap_globals omap4_globals = {
 158         .class  = OMAP443X_CLASS,
 159         .tap    = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
 160         .ctrl   = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
 161         .ctrl_pad       = OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE),
 162         .prm    = OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE),
 163         .cm     = OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE),
 164         .cm2    = OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE),
 165         .prcm_mpu       = OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE),
 166 };
 167
 168 void __init omap2_set_globals_443x(void)
 169 {
 170         __omap2_set_globals(&omap4_globals);
 171 }
 172
 173 void __init omap4_map_io(void)
 174 {
 175         omap44xx_map_common_io();
 176 }
 177 #endif
 178
 179 #if defined(CONFIG_SOC_OMAP5)
 180 static struct omap_globals omap5_globals = {
 181         .class  = OMAP54XX_CLASS,
 182         .tap    = OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
 183         .ctrl   = OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
 184         .ctrl_pad       = OMAP2_L4_IO_ADDRESS(OMAP54XX_CTRL_BASE),
 185         .prm    = OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE),
 186         .cm     = OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_AON_BASE),
 187         .cm2    = OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE),
 188         .prcm_mpu = OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE),
 189 };
 190
 191 void __init omap2_set_globals_5xxx(void)
 192 {
 193         omap2_set_globals_tap(&omap5_globals);
 194         omap2_set_globals_control(&omap5_globals);
 195         omap2_set_globals_prcm(&omap5_globals);
 196 }
 197
 198 void __init omap5_map_io(void)
 199 {
 200         omap5_map_common_io();
 201 }
 202 #endif