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 "control.h" 23 #include "omap_opp_data.h" 24 #include "pm.h" 25 26 /* 34xx */ 27 28 /* VDD1 */ 29 30 #define OMAP3430_VDD_MPU_OPP1_UV 975000 31 #define OMAP3430_VDD_MPU_OPP2_UV 1075000 32 #define OMAP3430_VDD_MPU_OPP3_UV 1200000 33 #define OMAP3430_VDD_MPU_OPP4_UV 1270000 34 #define OMAP3430_VDD_MPU_OPP5_UV 1350000 35 36 struct omap_volt_data omap34xx_vddmpu_volt_data[] = { 37 VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD1, 0xf4, 0x0c), 38 VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD1, 0xf4, 0x0c), 39 VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD1, 0xf9, 0x18), 40 VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP4_UV, OMAP343X_CONTROL_FUSE_OPP4_VDD1, 0xf9, 0x18), 41 VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP5_UV, OMAP343X_CONTROL_FUSE_OPP5_VDD1, 0xf9, 0x18), 42 VOLT_DATA_DEFINE(0, 0, 0, 0), 43 }; 44 45 /* VDD2 */ 46 47 #define OMAP3430_VDD_CORE_OPP1_UV 975000 48 #define OMAP3430_VDD_CORE_OPP2_UV 1050000 49 #define OMAP3430_VDD_CORE_OPP3_UV 1150000 50 51 struct omap_volt_data omap34xx_vddcore_volt_data[] = { 52 VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD2, 0xf4, 0x0c), 53 VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD2, 0xf4, 0x0c), 54 VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD2, 0xf9, 0x18), 55 VOLT_DATA_DEFINE(0, 0, 0, 0), 56 }; 57 58 /* 36xx */ 59 60 /* VDD1 */ 61 62 #define OMAP3630_VDD_MPU_OPP50_UV 1012500 63 #define OMAP3630_VDD_MPU_OPP100_UV 1200000 64 #define OMAP3630_VDD_MPU_OPP120_UV 1325000 65 #define OMAP3630_VDD_MPU_OPP1G_UV 1375000 66 67 struct omap_volt_data omap36xx_vddmpu_volt_data[] = { 68 VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD1, 0xf4, 0x0c), 69 VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD1, 0xf9, 0x16), 70 VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP120_UV, OMAP3630_CONTROL_FUSE_OPP120_VDD1, 0xfa, 0x23), 71 VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP1G_UV, OMAP3630_CONTROL_FUSE_OPP1G_VDD1, 0xfa, 0x27), 72 VOLT_DATA_DEFINE(0, 0, 0, 0), 73 }; 74 75 /* VDD2 */ 76 77 #define OMAP3630_VDD_CORE_OPP50_UV 1000000 78 #define OMAP3630_VDD_CORE_OPP100_UV 1200000 79 80 struct omap_volt_data omap36xx_vddcore_volt_data[] = { 81 VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD2, 0xf4, 0x0c), 82 VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD2, 0xf9, 0x16), 83 VOLT_DATA_DEFINE(0, 0, 0, 0), 84 }; 85 86 /* OPP data */ 87 88 static struct omap_opp_def __initdata omap34xx_opp_def_list[] = { 89 /* MPU OPP1 */ 90 OPP_INITIALIZER("mpu", true, 125000000, OMAP3430_VDD_MPU_OPP1_UV), 91 /* MPU OPP2 */ 92 OPP_INITIALIZER("mpu", true, 250000000, OMAP3430_VDD_MPU_OPP2_UV), 93 /* MPU OPP3 */ 94 OPP_INITIALIZER("mpu", true, 500000000, OMAP3430_VDD_MPU_OPP3_UV), 95 /* MPU OPP4 */ 96 OPP_INITIALIZER("mpu", true, 550000000, OMAP3430_VDD_MPU_OPP4_UV), 97 /* MPU OPP5 */ 98 OPP_INITIALIZER("mpu", true, 600000000, OMAP3430_VDD_MPU_OPP5_UV), 99 100 /* 101 * L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is 102 * almost the same than the one at 83MHz thus providing very little 103 * gain for the power point of view. In term of energy it will even 104 * increase the consumption due to the very negative performance 105 * impact that frequency will do to the MPU and the whole system in 106 * general. 107 */ 108 OPP_INITIALIZER("l3_main", false, 41500000, OMAP3430_VDD_CORE_OPP1_UV), 109 /* L3 OPP2 */ 110 OPP_INITIALIZER("l3_main", true, 83000000, OMAP3430_VDD_CORE_OPP2_UV), 111 /* L3 OPP3 */ 112 OPP_INITIALIZER("l3_main", true, 166000000, OMAP3430_VDD_CORE_OPP3_UV), 113 114 /* DSP OPP1 */ 115 OPP_INITIALIZER("iva", true, 90000000, OMAP3430_VDD_MPU_OPP1_UV), 116 /* DSP OPP2 */ 117 OPP_INITIALIZER("iva", true, 180000000, OMAP3430_VDD_MPU_OPP2_UV), 118 /* DSP OPP3 */ 119 OPP_INITIALIZER("iva", true, 360000000, OMAP3430_VDD_MPU_OPP3_UV), 120 /* DSP OPP4 */ 121 OPP_INITIALIZER("iva", true, 400000000, OMAP3430_VDD_MPU_OPP4_UV), 122 /* DSP OPP5 */ 123 OPP_INITIALIZER("iva", true, 430000000, OMAP3430_VDD_MPU_OPP5_UV), 124 }; 125 126 static struct omap_opp_def __initdata omap36xx_opp_def_list[] = { 127 /* MPU OPP1 - OPP50 */ 128 OPP_INITIALIZER("mpu", true, 300000000, OMAP3630_VDD_MPU_OPP50_UV), 129 /* MPU OPP2 - OPP100 */ 130 OPP_INITIALIZER("mpu", true, 600000000, OMAP3630_VDD_MPU_OPP100_UV), 131 /* MPU OPP3 - OPP-Turbo */ 132 OPP_INITIALIZER("mpu", false, 800000000, OMAP3630_VDD_MPU_OPP120_UV), 133 /* MPU OPP4 - OPP-SB */ 134 OPP_INITIALIZER("mpu", false, 1000000000, OMAP3630_VDD_MPU_OPP1G_UV), 135 136 /* L3 OPP1 - OPP50 */ 137 OPP_INITIALIZER("l3_main", true, 100000000, OMAP3630_VDD_CORE_OPP50_UV), 138 /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */ 139 OPP_INITIALIZER("l3_main", true, 200000000, OMAP3630_VDD_CORE_OPP100_UV), 140 141 /* DSP OPP1 - OPP50 */ 142 OPP_INITIALIZER("iva", true, 260000000, OMAP3630_VDD_MPU_OPP50_UV), 143 /* DSP OPP2 - OPP100 */ 144 OPP_INITIALIZER("iva", true, 520000000, OMAP3630_VDD_MPU_OPP100_UV), 145 /* DSP OPP3 - OPP-Turbo */ 146 OPP_INITIALIZER("iva", false, 660000000, OMAP3630_VDD_MPU_OPP120_UV), 147 /* DSP OPP4 - OPP-SB */ 148 OPP_INITIALIZER("iva", false, 800000000, OMAP3630_VDD_MPU_OPP1G_UV), 149 }; 150 151 /** 152 * omap3_opp_init() - initialize omap3 opp table 153 */ 154 int __init omap3_opp_init(void) 155 { 156 int r = -ENODEV; 157 158 if (!cpu_is_omap34xx()) 159 return r; 160 161 if (cpu_is_omap3630()) 162 r = omap_init_opp_table(omap36xx_opp_def_list, 163 ARRAY_SIZE(omap36xx_opp_def_list)); 164 else 165 r = omap_init_opp_table(omap34xx_opp_def_list, 166 ARRAY_SIZE(omap34xx_opp_def_list)); 167 168 return r; 169 } 170 device_initcall(omap3_opp_init); 171