| Vaibhav Hiremath | 3f0ea76 | 2012-06-18 00:47:27 -0600 | [diff] [blame] | 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 | } |