1 /* 2 * AM33XX Power domain data 3 * 4 * Copyright (C) 2011-2012 Texas Instruments Incorporated - http://www.ti.com/ 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation version 2. 9 * 10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any 11 * kind, whether express or implied; without even the implied warranty 12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 */ 15 16 #include <linux/kernel.h> 17 #include <linux/init.h> 18 19 #include "powerdomain.h" 20 #include "prcm-common.h" 21 #include "prm-regbits-33xx.h" 22 #include "prm33xx.h" 23 24 static struct powerdomain gfx_33xx_pwrdm = { 25 .name = "gfx_pwrdm", 26 .voltdm = { .name = "core" }, 27 .prcm_offs = AM33XX_PRM_GFX_MOD, 28 .pwrstctrl_offs = AM33XX_PM_GFX_PWRSTCTRL_OFFSET, 29 .pwrstst_offs = AM33XX_PM_GFX_PWRSTST_OFFSET, 30 .pwrsts = PWRSTS_OFF_RET_ON, 31 .pwrsts_logic_ret = PWRSTS_OFF_RET, 32 .flags = PWRDM_HAS_LOWPOWERSTATECHANGE, 33 .banks = 1, 34 .logicretstate_mask = AM33XX_LOGICRETSTATE_MASK, 35 .mem_on_mask = { 36 [0] = AM33XX_GFX_MEM_ONSTATE_MASK, /* gfx_mem */ 37 }, 38 .mem_ret_mask = { 39 [0] = AM33XX_GFX_MEM_RETSTATE_MASK, /* gfx_mem */ 40 }, 41 .mem_pwrst_mask = { 42 [0] = AM33XX_GFX_MEM_STATEST_MASK, /* gfx_mem */ 43 }, 44 .mem_retst_mask = { 45 [0] = AM33XX_GFX_MEM_RETSTATE_MASK, /* gfx_mem */ 46 }, 47 .pwrsts_mem_ret = { 48 [0] = PWRSTS_OFF_RET, /* gfx_mem */ 49 }, 50 .pwrsts_mem_on = { 51 [0] = PWRSTS_ON, /* gfx_mem */ 52 }, 53 }; 54 55 static struct powerdomain rtc_33xx_pwrdm = { 56 .name = "rtc_pwrdm", 57 .voltdm = { .name = "rtc" }, 58 .prcm_offs = AM33XX_PRM_RTC_MOD, 59 .pwrstctrl_offs = AM33XX_PM_RTC_PWRSTCTRL_OFFSET, 60 .pwrstst_offs = AM33XX_PM_RTC_PWRSTST_OFFSET, 61 .pwrsts = PWRSTS_ON, 62 .logicretstate_mask = AM33XX_LOGICRETSTATE_MASK, 63 }; 64 65 static struct powerdomain wkup_33xx_pwrdm = { 66 .name = "wkup_pwrdm", 67 .voltdm = { .name = "core" }, 68 .prcm_offs = AM33XX_PRM_WKUP_MOD, 69 .pwrstctrl_offs = AM33XX_PM_WKUP_PWRSTCTRL_OFFSET, 70 .pwrstst_offs = AM33XX_PM_WKUP_PWRSTST_OFFSET, 71 .pwrsts = PWRSTS_ON, 72 .logicretstate_mask = AM33XX_LOGICRETSTATE_3_3_MASK, 73 }; 74 75 static struct powerdomain per_33xx_pwrdm = { 76 .name = "per_pwrdm", 77 .voltdm = { .name = "core" }, 78 .prcm_offs = AM33XX_PRM_PER_MOD, 79 .pwrstctrl_offs = AM33XX_PM_PER_PWRSTCTRL_OFFSET, 80 .pwrstst_offs = AM33XX_PM_PER_PWRSTST_OFFSET, 81 .pwrsts = PWRSTS_OFF_RET_ON, 82 .pwrsts_logic_ret = PWRSTS_OFF_RET, 83 .flags = PWRDM_HAS_LOWPOWERSTATECHANGE, 84 .banks = 3, 85 .logicretstate_mask = AM33XX_LOGICRETSTATE_3_3_MASK, 86 .mem_on_mask = { 87 [0] = AM33XX_PRUSS_MEM_ONSTATE_MASK, /* pruss_mem */ 88 [1] = AM33XX_PER_MEM_ONSTATE_MASK, /* per_mem */ 89 [2] = AM33XX_RAM_MEM_ONSTATE_MASK, /* ram_mem */ 90 }, 91 .mem_ret_mask = { 92 [0] = AM33XX_PRUSS_MEM_RETSTATE_MASK, /* pruss_mem */ 93 [1] = AM33XX_PER_MEM_RETSTATE_MASK, /* per_mem */ 94 [2] = AM33XX_RAM_MEM_RETSTATE_MASK, /* ram_mem */ 95 }, 96 .mem_pwrst_mask = { 97 [0] = AM33XX_PRUSS_MEM_STATEST_MASK, /* pruss_mem */ 98 [1] = AM33XX_PER_MEM_STATEST_MASK, /* per_mem */ 99 [2] = AM33XX_RAM_MEM_STATEST_MASK, /* ram_mem */ 100 }, 101 .mem_retst_mask = { 102 [0] = AM33XX_PRUSS_MEM_RETSTATE_MASK, /* pruss_mem */ 103 [1] = AM33XX_PER_MEM_RETSTATE_MASK, /* per_mem */ 104 [2] = AM33XX_RAM_MEM_RETSTATE_MASK, /* ram_mem */ 105 }, 106 .pwrsts_mem_ret = { 107 [0] = PWRSTS_OFF_RET, /* pruss_mem */ 108 [1] = PWRSTS_OFF_RET, /* per_mem */ 109 [2] = PWRSTS_OFF_RET, /* ram_mem */ 110 }, 111 .pwrsts_mem_on = { 112 [0] = PWRSTS_ON, /* pruss_mem */ 113 [1] = PWRSTS_ON, /* per_mem */ 114 [2] = PWRSTS_ON, /* ram_mem */ 115 }, 116 }; 117 118 static struct powerdomain mpu_33xx_pwrdm = { 119 .name = "mpu_pwrdm", 120 .voltdm = { .name = "mpu" }, 121 .prcm_offs = AM33XX_PRM_MPU_MOD, 122 .pwrstctrl_offs = AM33XX_PM_MPU_PWRSTCTRL_OFFSET, 123 .pwrstst_offs = AM33XX_PM_MPU_PWRSTST_OFFSET, 124 .pwrsts = PWRSTS_OFF_RET_ON, 125 .pwrsts_logic_ret = PWRSTS_OFF_RET, 126 .flags = PWRDM_HAS_LOWPOWERSTATECHANGE, 127 .banks = 3, 128 .logicretstate_mask = AM33XX_LOGICRETSTATE_MASK, 129 .mem_on_mask = { 130 [0] = AM33XX_MPU_L1_ONSTATE_MASK, /* mpu_l1 */ 131 [1] = AM33XX_MPU_L2_ONSTATE_MASK, /* mpu_l2 */ 132 [2] = AM33XX_MPU_RAM_ONSTATE_MASK, /* mpu_ram */ 133 }, 134 .mem_ret_mask = { 135 [0] = AM33XX_MPU_L1_RETSTATE_MASK, /* mpu_l1 */ 136 [1] = AM33XX_MPU_L2_RETSTATE_MASK, /* mpu_l2 */ 137 [2] = AM33XX_MPU_RAM_RETSTATE_MASK, /* mpu_ram */ 138 }, 139 .mem_pwrst_mask = { 140 [0] = AM33XX_MPU_L1_STATEST_MASK, /* mpu_l1 */ 141 [1] = AM33XX_MPU_L2_STATEST_MASK, /* mpu_l2 */ 142 [2] = AM33XX_MPU_RAM_STATEST_MASK, /* mpu_ram */ 143 }, 144 .mem_retst_mask = { 145 [0] = AM33XX_MPU_L1_RETSTATE_MASK, /* mpu_l1 */ 146 [1] = AM33XX_MPU_L2_RETSTATE_MASK, /* mpu_l2 */ 147 [2] = AM33XX_MPU_RAM_RETSTATE_MASK, /* mpu_ram */ 148 }, 149 .pwrsts_mem_ret = { 150 [0] = PWRSTS_OFF_RET, /* mpu_l1 */ 151 [1] = PWRSTS_OFF_RET, /* mpu_l2 */ 152 [2] = PWRSTS_OFF_RET, /* mpu_ram */ 153 }, 154 .pwrsts_mem_on = { 155 [0] = PWRSTS_ON, /* mpu_l1 */ 156 [1] = PWRSTS_ON, /* mpu_l2 */ 157 [2] = PWRSTS_ON, /* mpu_ram */ 158 }, 159 }; 160 161 static struct powerdomain cefuse_33xx_pwrdm = { 162 .name = "cefuse_pwrdm", 163 .voltdm = { .name = "core" }, 164 .prcm_offs = AM33XX_PRM_CEFUSE_MOD, 165 .pwrstctrl_offs = AM33XX_PM_CEFUSE_PWRSTCTRL_OFFSET, 166 .pwrstst_offs = AM33XX_PM_CEFUSE_PWRSTST_OFFSET, 167 .pwrsts = PWRSTS_OFF_ON, 168 }; 169 170 static struct powerdomain *powerdomains_am33xx[] __initdata = { 171 &gfx_33xx_pwrdm, 172 &rtc_33xx_pwrdm, 173 &wkup_33xx_pwrdm, 174 &per_33xx_pwrdm, 175 &mpu_33xx_pwrdm, 176 &cefuse_33xx_pwrdm, 177 NULL, 178 }; 179 180 void __init am33xx_powerdomains_init(void) 181 { 182 pwrdm_register_platform_funcs(&am33xx_pwrdm_operations); 183 pwrdm_register_pwrdms(powerdomains_am33xx); 184 pwrdm_complete_init(); 185 } 186