arch/arm/mach-omap2/opp3xxx_data.c

   1 /*
   2  * OMAP3 OPP table definitions.
   3  *
   4  * Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/
   5  *      Nishanth Menon
   6  *      Kevin Hilman
   7  * Copyright (C) 2010-2011 Nokia Corporation.
   8  *      Eduardo Valentin
   9  *      Paul Walmsley
  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  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
  16  * kind, whether express or implied; without even the implied warranty
  17  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  */
  20 #include <linux/module.h>
  21
  22 #include <plat/cpu.h>
  23
  24 #include "control.h"
  25 #include "omap_opp_data.h"
  26 #include "pm.h"
  27
  28 /* 34xx */
  29
  30 /* VDD1 */
  31
  32 #define OMAP3430_VDD_MPU_OPP1_UV                975000
  33 #define OMAP3430_VDD_MPU_OPP2_UV                1075000
  34 #define OMAP3430_VDD_MPU_OPP3_UV                1200000
  35 #define OMAP3430_VDD_MPU_OPP4_UV                1270000
  36 #define OMAP3430_VDD_MPU_OPP5_UV                1350000
  37
  38 struct omap_volt_data omap34xx_vddmpu_volt_data[] = {
  39         VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP1_UV, 0, OMAP343X_CONTROL_FUSE_OPP1_VDD1, 0xf4, 0x0c, OMAP_ABB_NONE),
  40         VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP2_UV, 0, OMAP343X_CONTROL_FUSE_OPP2_VDD1, 0xf4, 0x0c, OMAP_ABB_NONE),
  41         VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP3_UV, 0, OMAP343X_CONTROL_FUSE_OPP3_VDD1, 0xf9, 0x18, OMAP_ABB_NONE),
  42         VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP4_UV, 0, OMAP343X_CONTROL_FUSE_OPP4_VDD1, 0xf9, 0x18, OMAP_ABB_NONE),
  43         VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP5_UV, 0, OMAP343X_CONTROL_FUSE_OPP5_VDD1, 0xf9, 0x18, OMAP_ABB_NONE),
  44         VOLT_DATA_DEFINE(0, 0, 0, 0, 0, 0),
  45 };
  46
  47 /* VDD2 */
  48
  49 #define OMAP3430_VDD_CORE_OPP1_UV               975000
  50 #define OMAP3430_VDD_CORE_OPP2_UV               1050000
  51 #define OMAP3430_VDD_CORE_OPP3_UV               1150000
  52
  53 struct omap_volt_data omap34xx_vddcore_volt_data[] = {
  54         VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP1_UV, 0, OMAP343X_CONTROL_FUSE_OPP1_VDD2, 0xf4, 0x0c, OMAP_ABB_NONE),
  55         VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP2_UV, 0, OMAP343X_CONTROL_FUSE_OPP2_VDD2, 0xf4, 0x0c, OMAP_ABB_NONE),
  56         VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP3_UV, 0, OMAP343X_CONTROL_FUSE_OPP3_VDD2, 0xf9, 0x18, OMAP_ABB_NONE),
  57         VOLT_DATA_DEFINE(0, 0, 0, 0, 0, 0),
  58 };
  59
  60 /* OMAP 3430 MPU Core VDD dependency table */
  61 static struct omap_vdd_dep_volt omap34xx_vdd_mpu_core_dep_data[] = {
  62         {.main_vdd_volt = OMAP3430_VDD_MPU_OPP1_UV, .dep_vdd_volt = OMAP3430_VDD_CORE_OPP2_UV},
  63         {.main_vdd_volt = OMAP3430_VDD_MPU_OPP2_UV, .dep_vdd_volt = OMAP3430_VDD_CORE_OPP2_UV},
  64         {.main_vdd_volt = OMAP3430_VDD_MPU_OPP3_UV, .dep_vdd_volt = OMAP3430_VDD_CORE_OPP3_UV},
  65         {.main_vdd_volt = OMAP3430_VDD_MPU_OPP4_UV, .dep_vdd_volt = OMAP3430_VDD_CORE_OPP3_UV},
  66         {.main_vdd_volt = OMAP3430_VDD_MPU_OPP5_UV, .dep_vdd_volt = OMAP3430_VDD_CORE_OPP3_UV},
  67 };
  68
  69 struct omap_vdd_dep_info omap34xx_vddmpu_dep_info[] = {
  70         {
  71                 .name   = "core",
  72                 .dep_table = omap34xx_vdd_mpu_core_dep_data,
  73                 .nr_dep_entries = ARRAY_SIZE(omap34xx_vdd_mpu_core_dep_data),
  74         },
  75         {.name = NULL, .dep_table = NULL, .nr_dep_entries = 0},
  76 };
  77
  78 /* 36xx */
  79
  80 /* VDD1 */
  81
  82 #define OMAP3630_VDD_MPU_OPP50_UV               1012500
  83 #define OMAP3630_VDD_MPU_OPP100_UV              1200000
  84 #define OMAP3630_VDD_MPU_OPP120_UV              1325000
  85 #define OMAP3630_VDD_MPU_OPP1G_UV               1375000
  86
  87 struct omap_volt_data omap36xx_vddmpu_volt_data[] = {
  88         VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP50_UV, 0, OMAP3630_CONTROL_FUSE_OPP50_VDD1, 0xf4, 0x0c, OMAP_ABB_NOMINAL_OPP),
  89         VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP100_UV, 0, OMAP3630_CONTROL_FUSE_OPP100_VDD1, 0xf9, 0x16, OMAP_ABB_NOMINAL_OPP),
  90         VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP120_UV, 0, OMAP3630_CONTROL_FUSE_OPP120_VDD1, 0xfa, 0x23, OMAP_ABB_NOMINAL_OPP),
  91         VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP1G_UV, 0, OMAP3630_CONTROL_FUSE_OPP1G_VDD1, 0xfa, 0x27, OMAP_ABB_FAST_OPP),
  92         VOLT_DATA_DEFINE(0, 0, 0, 0, 0, 0),
  93 };
  94
  95 /* VDD2 */
  96
  97 #define OMAP3630_VDD_CORE_OPP50_UV              1000000
  98 #define OMAP3630_VDD_CORE_OPP100_UV             1200000
  99
 100 struct omap_volt_data omap36xx_vddcore_volt_data[] = {
 101         VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP50_UV, 0, OMAP3630_CONTROL_FUSE_OPP50_VDD2, 0xf4, 0x0c, OMAP_ABB_NONE),
 102         VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP100_UV, 0, OMAP3630_CONTROL_FUSE_OPP100_VDD2, 0xf9, 0x16, OMAP_ABB_NONE),
 103         VOLT_DATA_DEFINE(0, 0, 0, 0, 0, 0),
 104 };
 105
 106 /* OPP data */
 107
 108 static struct omap_opp_def __initdata omap34xx_opp_def_list[] = {
 109         /* MPU OPP1 */
 110         OPP_INITIALIZER("mpu", "dpll1_ck", "mpu_iva", true, 125000000, OMAP3430_VDD_MPU_OPP1_UV),
 111         /* MPU OPP2 */
 112         OPP_INITIALIZER("mpu", "dpll1_ck", "mpu_iva", true, 250000000, OMAP3430_VDD_MPU_OPP2_UV),
 113         /* MPU OPP3 */
 114         OPP_INITIALIZER("mpu", "dpll1_ck", "mpu_iva", true, 500000000, OMAP3430_VDD_MPU_OPP3_UV),
 115         /* MPU OPP4 */
 116         OPP_INITIALIZER("mpu", "dpll1_ck", "mpu_iva", true, 550000000, OMAP3430_VDD_MPU_OPP4_UV),
 117         /* MPU OPP5 */
 118         OPP_INITIALIZER("mpu", "dpll1_ck", "mpu_iva", true, 600000000, OMAP3430_VDD_MPU_OPP5_UV),
 119
 120         /*
 121          * L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is
 122          * almost the same than the one at 83MHz thus providing very little
 123          * gain for the power point of view. In term of energy it will even
 124          * increase the consumption due to the very negative performance
 125          * impact that frequency will do to the MPU and the whole system in
 126          * general.
 127          */
 128         OPP_INITIALIZER("l3_main", "dpll3_ck", "core", false, 41500000, OMAP3430_VDD_CORE_OPP1_UV),
 129         /* L3 OPP2 */
 130         OPP_INITIALIZER("l3_main", "dpll3_ck", "core", true, 83000000, OMAP3430_VDD_CORE_OPP2_UV),
 131         /* L3 OPP3 */
 132         OPP_INITIALIZER("l3_main", "dpll3_ck", "core", true, 166000000, OMAP3430_VDD_CORE_OPP3_UV),
 133
 134         /* DSP OPP1 */
 135         OPP_INITIALIZER("iva", "dpll2_ck", "mpu_iva", true, 90000000, OMAP3430_VDD_MPU_OPP1_UV),
 136         /* DSP OPP2 */
 137         OPP_INITIALIZER("iva", "dpll2_ck", "mpu_iva", true, 180000000, OMAP3430_VDD_MPU_OPP2_UV),
 138         /* DSP OPP3 */
 139         OPP_INITIALIZER("iva", "dpll2_ck", "mpu_iva", true, 360000000, OMAP3430_VDD_MPU_OPP3_UV),
 140         /* DSP OPP4 */
 141         OPP_INITIALIZER("iva", "dpll2_ck", "mpu_iva", true, 400000000, OMAP3430_VDD_MPU_OPP4_UV),
 142         /* DSP OPP5 */
 143         OPP_INITIALIZER("iva", "dpll2_ck", "mpu_iva", true, 430000000, OMAP3430_VDD_MPU_OPP5_UV),
 144 };
 145
 146 static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
 147         /* MPU OPP1 - OPP50 */
 148         OPP_INITIALIZER("mpu", "dpll1_ck", "mpu_iva", true,  300000000, OMAP3630_VDD_MPU_OPP50_UV),
 149         /* MPU OPP2 - OPP100 */
 150         OPP_INITIALIZER("mpu", "dpll1_ck", "mpu_iva", true,  600000000, OMAP3630_VDD_MPU_OPP100_UV),
 151         /* MPU OPP3 - OPP-Turbo */
 152         OPP_INITIALIZER("mpu", "dpll1_ck", "mpu_iva", false, 800000000, OMAP3630_VDD_MPU_OPP120_UV),
 153         /* MPU OPP4 - OPP-SB */
 154         OPP_INITIALIZER("mpu", "dpll1_ck", "mpu_iva", false, 1000000000, OMAP3630_VDD_MPU_OPP1G_UV),
 155
 156         /* L3 OPP1 - OPP50 */
 157         OPP_INITIALIZER("l3_main", "dpll3_ck", "core", true, 100000000, OMAP3630_VDD_CORE_OPP50_UV),
 158         /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
 159         OPP_INITIALIZER("l3_main", "dpll3_ck", "core", true, 200000000, OMAP3630_VDD_CORE_OPP100_UV),
 160
 161         /* DSP OPP1 - OPP50 */
 162         OPP_INITIALIZER("iva", "dpll2_ck", "mpu_iva", true,  260000000, OMAP3630_VDD_MPU_OPP50_UV),
 163         /* DSP OPP2 - OPP100 */
 164         OPP_INITIALIZER("iva", "dpll2_ck", "mpu_iva", true,  520000000, OMAP3630_VDD_MPU_OPP100_UV),
 165         /* DSP OPP3 - OPP-Turbo */
 166         OPP_INITIALIZER("iva", "dpll2_ck", "mpu_iva", false, 660000000, OMAP3630_VDD_MPU_OPP120_UV),
 167         /* DSP OPP4 - OPP-SB */
 168         OPP_INITIALIZER("iva", "dpll2_ck", "mpu_iva", false, 800000000, OMAP3630_VDD_MPU_OPP1G_UV),
 169 };
 170
 171 /* OMAP 3630 MPU Core VDD dependency table */
 172 static struct omap_vdd_dep_volt omap36xx_vdd_mpu_core_dep_data[] = {
 173         {.main_vdd_volt = OMAP3630_VDD_MPU_OPP50_UV, .dep_vdd_volt = OMAP3630_VDD_CORE_OPP50_UV},
 174         {.main_vdd_volt = OMAP3630_VDD_MPU_OPP100_UV, .dep_vdd_volt = OMAP3630_VDD_CORE_OPP100_UV},
 175         {.main_vdd_volt = OMAP3630_VDD_MPU_OPP120_UV, .dep_vdd_volt = OMAP3630_VDD_CORE_OPP100_UV},
 176         {.main_vdd_volt = OMAP3630_VDD_MPU_OPP1G_UV, .dep_vdd_volt = OMAP3630_VDD_CORE_OPP100_UV},
 177 };
 178
 179 struct omap_vdd_dep_info omap36xx_vddmpu_dep_info[] = {
 180         {
 181                 .name   = "core",
 182                 .dep_table = omap36xx_vdd_mpu_core_dep_data,
 183                 .nr_dep_entries = ARRAY_SIZE(omap36xx_vdd_mpu_core_dep_data),
 184         },
 185         {.name = NULL, .dep_table = NULL, .nr_dep_entries = 0},
 186 };
 187
 188 /**
 189  * omap3_opp_init() - initialize omap3 opp table
 190  */
 191 int __init omap3_opp_init(void)
 192 {
 193         int r = -ENODEV;
 194
 195         if (!cpu_is_omap34xx())
 196                 return r;
 197
 198         if (cpu_is_omap3630())
 199                 r = omap_init_opp_table(omap36xx_opp_def_list,
 200                         ARRAY_SIZE(omap36xx_opp_def_list));
 201         else
 202                 r = omap_init_opp_table(omap34xx_opp_def_list,
 203                         ARRAY_SIZE(omap34xx_opp_def_list));
 204
 205         return r;
 206 }
 207 device_initcall(omap3_opp_init);