arch/arm/mach-exynos/pmu.c

   1 /*
   2  * Copyright (c) 2011-2012 Samsung Electronics Co., Ltd.
   3  *              http://www.samsung.com/
   4  *
   5  * EXYNOS - CPU PMU(Power Management Unit) support
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #include <linux/io.h>
  13 #include <linux/kernel.h>
  14 #include <linux/bug.h>
  15
  16 #include <mach/regs-clock.h>
  17 #include <mach/pmu.h>
  18
  19 static struct exynos_pmu_conf *exynos_pmu_config;
  20
  21 static struct exynos_pmu_conf exynos4210_pmu_config[] = {
  22         /* { .reg = address, .val = { AFTR, LPA, SLEEP } */
  23         { S5P_ARM_CORE0_LOWPWR,                 { 0x0, 0x0, 0x2 } },
  24         { S5P_DIS_IRQ_CORE0,                    { 0x0, 0x0, 0x0 } },
  25         { S5P_DIS_IRQ_CENTRAL0,                 { 0x0, 0x0, 0x0 } },
  26         { S5P_ARM_CORE1_LOWPWR,                 { 0x0, 0x0, 0x2 } },
  27         { S5P_DIS_IRQ_CORE1,                    { 0x0, 0x0, 0x0 } },
  28         { S5P_DIS_IRQ_CENTRAL1,                 { 0x0, 0x0, 0x0 } },
  29         { S5P_ARM_COMMON_LOWPWR,                { 0x0, 0x0, 0x2 } },
  30         { S5P_L2_0_LOWPWR,                      { 0x2, 0x2, 0x3 } },
  31         { S5P_L2_1_LOWPWR,                      { 0x2, 0x2, 0x3 } },
  32         { S5P_CMU_ACLKSTOP_LOWPWR,              { 0x1, 0x0, 0x0 } },
  33         { S5P_CMU_SCLKSTOP_LOWPWR,              { 0x1, 0x0, 0x0 } },
  34         { S5P_CMU_RESET_LOWPWR,                 { 0x1, 0x1, 0x0 } },
  35         { S5P_APLL_SYSCLK_LOWPWR,               { 0x1, 0x0, 0x0 } },
  36         { S5P_MPLL_SYSCLK_LOWPWR,               { 0x1, 0x0, 0x0 } },
  37         { S5P_VPLL_SYSCLK_LOWPWR,               { 0x1, 0x0, 0x0 } },
  38         { S5P_EPLL_SYSCLK_LOWPWR,               { 0x1, 0x1, 0x0 } },
  39         { S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR,     { 0x1, 0x1, 0x0 } },
  40         { S5P_CMU_RESET_GPSALIVE_LOWPWR,        { 0x1, 0x1, 0x0 } },
  41         { S5P_CMU_CLKSTOP_CAM_LOWPWR,           { 0x1, 0x1, 0x0 } },
  42         { S5P_CMU_CLKSTOP_TV_LOWPWR,            { 0x1, 0x1, 0x0 } },
  43         { S5P_CMU_CLKSTOP_MFC_LOWPWR,           { 0x1, 0x1, 0x0 } },
  44         { S5P_CMU_CLKSTOP_G3D_LOWPWR,           { 0x1, 0x1, 0x0 } },
  45         { S5P_CMU_CLKSTOP_LCD0_LOWPWR,          { 0x1, 0x1, 0x0 } },
  46         { S5P_CMU_CLKSTOP_LCD1_LOWPWR,          { 0x1, 0x1, 0x0 } },
  47         { S5P_CMU_CLKSTOP_MAUDIO_LOWPWR,        { 0x1, 0x1, 0x0 } },
  48         { S5P_CMU_CLKSTOP_GPS_LOWPWR,           { 0x1, 0x1, 0x0 } },
  49         { S5P_CMU_RESET_CAM_LOWPWR,             { 0x1, 0x1, 0x0 } },
  50         { S5P_CMU_RESET_TV_LOWPWR,              { 0x1, 0x1, 0x0 } },
  51         { S5P_CMU_RESET_MFC_LOWPWR,             { 0x1, 0x1, 0x0 } },
  52         { S5P_CMU_RESET_G3D_LOWPWR,             { 0x1, 0x1, 0x0 } },
  53         { S5P_CMU_RESET_LCD0_LOWPWR,            { 0x1, 0x1, 0x0 } },
  54         { S5P_CMU_RESET_LCD1_LOWPWR,            { 0x1, 0x1, 0x0 } },
  55         { S5P_CMU_RESET_MAUDIO_LOWPWR,          { 0x1, 0x1, 0x0 } },
  56         { S5P_CMU_RESET_GPS_LOWPWR,             { 0x1, 0x1, 0x0 } },
  57         { S5P_TOP_BUS_LOWPWR,                   { 0x3, 0x0, 0x0 } },
  58         { S5P_TOP_RETENTION_LOWPWR,             { 0x1, 0x0, 0x1 } },
  59         { S5P_TOP_PWR_LOWPWR,                   { 0x3, 0x0, 0x3 } },
  60         { S5P_LOGIC_RESET_LOWPWR,               { 0x1, 0x1, 0x0 } },
  61         { S5P_ONENAND_MEM_LOWPWR,               { 0x3, 0x0, 0x0 } },
  62         { S5P_MODIMIF_MEM_LOWPWR,               { 0x3, 0x0, 0x0 } },
  63         { S5P_G2D_ACP_MEM_LOWPWR,               { 0x3, 0x0, 0x0 } },
  64         { S5P_USBOTG_MEM_LOWPWR,                { 0x3, 0x0, 0x0 } },
  65         { S5P_HSMMC_MEM_LOWPWR,                 { 0x3, 0x0, 0x0 } },
  66         { S5P_CSSYS_MEM_LOWPWR,                 { 0x3, 0x0, 0x0 } },
  67         { S5P_SECSS_MEM_LOWPWR,                 { 0x3, 0x0, 0x0 } },
  68         { S5P_PCIE_MEM_LOWPWR,                  { 0x3, 0x0, 0x0 } },
  69         { S5P_SATA_MEM_LOWPWR,                  { 0x3, 0x0, 0x0 } },
  70         { S5P_PAD_RETENTION_DRAM_LOWPWR,        { 0x1, 0x0, 0x0 } },
  71         { S5P_PAD_RETENTION_MAUDIO_LOWPWR,      { 0x1, 0x1, 0x0 } },
  72         { S5P_PAD_RETENTION_GPIO_LOWPWR,        { 0x1, 0x0, 0x0 } },
  73         { S5P_PAD_RETENTION_UART_LOWPWR,        { 0x1, 0x0, 0x0 } },
  74         { S5P_PAD_RETENTION_MMCA_LOWPWR,        { 0x1, 0x0, 0x0 } },
  75         { S5P_PAD_RETENTION_MMCB_LOWPWR,        { 0x1, 0x0, 0x0 } },
  76         { S5P_PAD_RETENTION_EBIA_LOWPWR,        { 0x1, 0x0, 0x0 } },
  77         { S5P_PAD_RETENTION_EBIB_LOWPWR,        { 0x1, 0x0, 0x0 } },
  78         { S5P_PAD_RETENTION_ISOLATION_LOWPWR,   { 0x1, 0x0, 0x0 } },
  79         { S5P_PAD_RETENTION_ALV_SEL_LOWPWR,     { 0x1, 0x0, 0x0 } },
  80         { S5P_XUSBXTI_LOWPWR,                   { 0x1, 0x1, 0x0 } },
  81         { S5P_XXTI_LOWPWR,                      { 0x1, 0x1, 0x0 } },
  82         { S5P_EXT_REGULATOR_LOWPWR,             { 0x1, 0x1, 0x0 } },
  83         { S5P_GPIO_MODE_LOWPWR,                 { 0x1, 0x0, 0x0 } },
  84         { S5P_GPIO_MODE_MAUDIO_LOWPWR,          { 0x1, 0x1, 0x0 } },
  85         { S5P_CAM_LOWPWR,                       { 0x7, 0x0, 0x0 } },
  86         { S5P_TV_LOWPWR,                        { 0x7, 0x0, 0x0 } },
  87         { S5P_MFC_LOWPWR,                       { 0x7, 0x0, 0x0 } },
  88         { S5P_G3D_LOWPWR,                       { 0x7, 0x0, 0x0 } },
  89         { S5P_LCD0_LOWPWR,                      { 0x7, 0x0, 0x0 } },
  90         { S5P_LCD1_LOWPWR,                      { 0x7, 0x0, 0x0 } },
  91         { S5P_MAUDIO_LOWPWR,                    { 0x7, 0x7, 0x0 } },
  92         { S5P_GPS_LOWPWR,                       { 0x7, 0x0, 0x0 } },
  93         { S5P_GPS_ALIVE_LOWPWR,                 { 0x7, 0x0, 0x0 } },
  94         { PMU_TABLE_END,},
  95 };
  96
  97 static struct exynos_pmu_conf exynos4x12_pmu_config[] = {
  98         { S5P_ARM_CORE0_LOWPWR,                 { 0x0, 0x0, 0x2 } },
  99         { S5P_DIS_IRQ_CORE0,                    { 0x0, 0x0, 0x0 } },
 100         { S5P_DIS_IRQ_CENTRAL0,                 { 0x0, 0x0, 0x0 } },
 101         { S5P_ARM_CORE1_LOWPWR,                 { 0x0, 0x0, 0x2 } },
 102         { S5P_DIS_IRQ_CORE1,                    { 0x0, 0x0, 0x0 } },
 103         { S5P_DIS_IRQ_CENTRAL1,                 { 0x0, 0x0, 0x0 } },
 104         { S5P_ISP_ARM_LOWPWR,                   { 0x1, 0x0, 0x0 } },
 105         { S5P_DIS_IRQ_ISP_ARM_LOCAL_LOWPWR,     { 0x0, 0x0, 0x0 } },
 106         { S5P_DIS_IRQ_ISP_ARM_CENTRAL_LOWPWR,   { 0x0, 0x0, 0x0 } },
 107         { S5P_ARM_COMMON_LOWPWR,                { 0x0, 0x0, 0x2 } },
 108         { S5P_L2_0_LOWPWR,                      { 0x0, 0x0, 0x3 } },
 109         /* XXX_OPTION register should be set other field */
 110         { S5P_ARM_L2_0_OPTION,                  { 0x10, 0x10, 0x0 } },
 111         { S5P_L2_1_LOWPWR,                      { 0x0, 0x0, 0x3 } },
 112         { S5P_ARM_L2_1_OPTION,                  { 0x10, 0x10, 0x0 } },
 113         { S5P_CMU_ACLKSTOP_LOWPWR,              { 0x1, 0x0, 0x0 } },
 114         { S5P_CMU_SCLKSTOP_LOWPWR,              { 0x1, 0x0, 0x0 } },
 115         { S5P_CMU_RESET_LOWPWR,                 { 0x1, 0x1, 0x0 } },
 116         { S5P_DRAM_FREQ_DOWN_LOWPWR,            { 0x1, 0x1, 0x1 } },
 117         { S5P_DDRPHY_DLLOFF_LOWPWR,             { 0x1, 0x1, 0x1 } },
 118         { S5P_LPDDR_PHY_DLL_LOCK_LOWPWR,        { 0x1, 0x1, 0x1 } },
 119         { S5P_CMU_ACLKSTOP_COREBLK_LOWPWR,      { 0x1, 0x0, 0x0 } },
 120         { S5P_CMU_SCLKSTOP_COREBLK_LOWPWR,      { 0x1, 0x0, 0x0 } },
 121         { S5P_CMU_RESET_COREBLK_LOWPWR,         { 0x1, 0x1, 0x0 } },
 122         { S5P_APLL_SYSCLK_LOWPWR,               { 0x1, 0x0, 0x0 } },
 123         { S5P_MPLL_SYSCLK_LOWPWR,               { 0x1, 0x0, 0x0 } },
 124         { S5P_VPLL_SYSCLK_LOWPWR,               { 0x1, 0x0, 0x0 } },
 125         { S5P_EPLL_SYSCLK_LOWPWR,               { 0x1, 0x1, 0x0 } },
 126         { S5P_MPLLUSER_SYSCLK_LOWPWR,           { 0x1, 0x0, 0x0 } },
 127         { S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR,     { 0x1, 0x0, 0x0 } },
 128         { S5P_CMU_RESET_GPSALIVE_LOWPWR,        { 0x1, 0x0, 0x0 } },
 129         { S5P_CMU_CLKSTOP_CAM_LOWPWR,           { 0x1, 0x0, 0x0 } },
 130         { S5P_CMU_CLKSTOP_TV_LOWPWR,            { 0x1, 0x0, 0x0 } },
 131         { S5P_CMU_CLKSTOP_MFC_LOWPWR,           { 0x1, 0x0, 0x0 } },
 132         { S5P_CMU_CLKSTOP_G3D_LOWPWR,           { 0x1, 0x0, 0x0 } },
 133         { S5P_CMU_CLKSTOP_LCD0_LOWPWR,          { 0x1, 0x0, 0x0 } },
 134         { S5P_CMU_CLKSTOP_ISP_LOWPWR,           { 0x1, 0x0, 0x0 } },
 135         { S5P_CMU_CLKSTOP_MAUDIO_LOWPWR,        { 0x1, 0x0, 0x0 } },
 136         { S5P_CMU_CLKSTOP_GPS_LOWPWR,           { 0x1, 0x0, 0x0 } },
 137         { S5P_CMU_RESET_CAM_LOWPWR,             { 0x1, 0x0, 0x0 } },
 138         { S5P_CMU_RESET_TV_LOWPWR,              { 0x1, 0x0, 0x0 } },
 139         { S5P_CMU_RESET_MFC_LOWPWR,             { 0x1, 0x0, 0x0 } },
 140         { S5P_CMU_RESET_G3D_LOWPWR,             { 0x1, 0x0, 0x0 } },
 141         { S5P_CMU_RESET_LCD0_LOWPWR,            { 0x1, 0x0, 0x0 } },
 142         { S5P_CMU_RESET_ISP_LOWPWR,             { 0x1, 0x0, 0x0 } },
 143         { S5P_CMU_RESET_MAUDIO_LOWPWR,          { 0x1, 0x1, 0x0 } },
 144         { S5P_CMU_RESET_GPS_LOWPWR,             { 0x1, 0x0, 0x0 } },
 145         { S5P_TOP_BUS_LOWPWR,                   { 0x3, 0x0, 0x0 } },
 146         { S5P_TOP_RETENTION_LOWPWR,             { 0x1, 0x0, 0x1 } },
 147         { S5P_TOP_PWR_LOWPWR,                   { 0x3, 0x0, 0x3 } },
 148         { S5P_TOP_BUS_COREBLK_LOWPWR,           { 0x3, 0x0, 0x0 } },
 149         { S5P_TOP_RETENTION_COREBLK_LOWPWR,     { 0x1, 0x0, 0x1 } },
 150         { S5P_TOP_PWR_COREBLK_LOWPWR,           { 0x3, 0x0, 0x3 } },
 151         { S5P_LOGIC_RESET_LOWPWR,               { 0x1, 0x1, 0x0 } },
 152         { S5P_OSCCLK_GATE_LOWPWR,               { 0x1, 0x0, 0x1 } },
 153         { S5P_LOGIC_RESET_COREBLK_LOWPWR,       { 0x1, 0x1, 0x0 } },
 154         { S5P_OSCCLK_GATE_COREBLK_LOWPWR,       { 0x1, 0x0, 0x1 } },
 155         { S5P_ONENAND_MEM_LOWPWR,               { 0x3, 0x0, 0x0 } },
 156         { S5P_ONENAND_MEM_OPTION,               { 0x10, 0x10, 0x0 } },
 157         { S5P_HSI_MEM_LOWPWR,                   { 0x3, 0x0, 0x0 } },
 158         { S5P_HSI_MEM_OPTION,                   { 0x10, 0x10, 0x0 } },
 159         { S5P_G2D_ACP_MEM_LOWPWR,               { 0x3, 0x0, 0x0 } },
 160         { S5P_G2D_ACP_MEM_OPTION,               { 0x10, 0x10, 0x0 } },
 161         { S5P_USBOTG_MEM_LOWPWR,                { 0x3, 0x0, 0x0 } },
 162         { S5P_USBOTG_MEM_OPTION,                { 0x10, 0x10, 0x0 } },
 163         { S5P_HSMMC_MEM_LOWPWR,                 { 0x3, 0x0, 0x0 } },
 164         { S5P_HSMMC_MEM_OPTION,                 { 0x10, 0x10, 0x0 } },
 165         { S5P_CSSYS_MEM_LOWPWR,                 { 0x3, 0x0, 0x0 } },
 166         { S5P_CSSYS_MEM_OPTION,                 { 0x10, 0x10, 0x0 } },
 167         { S5P_SECSS_MEM_LOWPWR,                 { 0x3, 0x0, 0x0 } },
 168         { S5P_SECSS_MEM_OPTION,                 { 0x10, 0x10, 0x0 } },
 169         { S5P_ROTATOR_MEM_LOWPWR,               { 0x3, 0x0, 0x0 } },
 170         { S5P_ROTATOR_MEM_OPTION,               { 0x10, 0x10, 0x0 } },
 171         { S5P_PAD_RETENTION_DRAM_LOWPWR,        { 0x1, 0x0, 0x0 } },
 172         { S5P_PAD_RETENTION_MAUDIO_LOWPWR,      { 0x1, 0x1, 0x0 } },
 173         { S5P_PAD_RETENTION_GPIO_LOWPWR,        { 0x1, 0x0, 0x0 } },
 174         { S5P_PAD_RETENTION_UART_LOWPWR,        { 0x1, 0x0, 0x0 } },
 175         { S5P_PAD_RETENTION_MMCA_LOWPWR,        { 0x1, 0x0, 0x0 } },
 176         { S5P_PAD_RETENTION_MMCB_LOWPWR,        { 0x1, 0x0, 0x0 } },
 177         { S5P_PAD_RETENTION_EBIA_LOWPWR,        { 0x1, 0x0, 0x0 } },
 178         { S5P_PAD_RETENTION_EBIB_LOWPWR,        { 0x1, 0x0, 0x0 } },
 179         { S5P_PAD_RETENTION_GPIO_COREBLK_LOWPWR,{ 0x1, 0x0, 0x0 } },
 180         { S5P_PAD_RETENTION_ISOLATION_LOWPWR,   { 0x1, 0x0, 0x0 } },
 181         { S5P_PAD_ISOLATION_COREBLK_LOWPWR,     { 0x1, 0x0, 0x0 } },
 182         { S5P_PAD_RETENTION_ALV_SEL_LOWPWR,     { 0x1, 0x0, 0x0 } },
 183         { S5P_XUSBXTI_LOWPWR,                   { 0x1, 0x1, 0x0 } },
 184         { S5P_XXTI_LOWPWR,                      { 0x1, 0x1, 0x0 } },
 185         { S5P_EXT_REGULATOR_LOWPWR,             { 0x1, 0x1, 0x0 } },
 186         { S5P_GPIO_MODE_LOWPWR,                 { 0x1, 0x0, 0x0 } },
 187         { S5P_GPIO_MODE_COREBLK_LOWPWR,         { 0x1, 0x0, 0x0 } },
 188         { S5P_GPIO_MODE_MAUDIO_LOWPWR,          { 0x1, 0x1, 0x0 } },
 189         { S5P_TOP_ASB_RESET_LOWPWR,             { 0x1, 0x1, 0x1 } },
 190         { S5P_TOP_ASB_ISOLATION_LOWPWR,         { 0x1, 0x0, 0x1 } },
 191         { S5P_CAM_LOWPWR,                       { 0x7, 0x0, 0x0 } },
 192         { S5P_TV_LOWPWR,                        { 0x7, 0x0, 0x0 } },
 193         { S5P_MFC_LOWPWR,                       { 0x7, 0x0, 0x0 } },
 194         { S5P_G3D_LOWPWR,                       { 0x7, 0x0, 0x0 } },
 195         { S5P_LCD0_LOWPWR,                      { 0x7, 0x0, 0x0 } },
 196         { S5P_ISP_LOWPWR,                       { 0x7, 0x0, 0x0 } },
 197         { S5P_MAUDIO_LOWPWR,                    { 0x7, 0x7, 0x0 } },
 198         { S5P_GPS_LOWPWR,                       { 0x7, 0x0, 0x0 } },
 199         { S5P_GPS_ALIVE_LOWPWR,                 { 0x7, 0x0, 0x0 } },
 200         { S5P_CMU_SYSCLK_ISP_LOWPWR,            { 0x1, 0x0, 0x0 } },
 201         { S5P_CMU_SYSCLK_GPS_LOWPWR,            { 0x1, 0x0, 0x0 } },
 202         { PMU_TABLE_END,},
 203 };
 204
 205 static struct exynos_pmu_conf exynos4412_pmu_config[] = {
 206         { S5P_ARM_CORE2_LOWPWR,                 { 0x0, 0x0, 0x2 } },
 207         { S5P_DIS_IRQ_CORE2,                    { 0x0, 0x0, 0x0 } },
 208         { S5P_DIS_IRQ_CENTRAL2,                 { 0x0, 0x0, 0x0 } },
 209         { S5P_ARM_CORE3_LOWPWR,                 { 0x0, 0x0, 0x2 } },
 210         { S5P_DIS_IRQ_CORE3,                    { 0x0, 0x0, 0x0 } },
 211         { S5P_DIS_IRQ_CENTRAL3,                 { 0x0, 0x0, 0x0 } },
 212         { PMU_TABLE_END,},
 213 };
 214
 215 static struct exynos_pmu_conf exynos5250_pmu_config[] = {
 216         /* { .reg = address, .val = { AFTR, LPA, SLEEP } */
 217         { EXYNOS5_ARM_CORE0_SYS_PWR_REG,                { 0x0, 0x0, 0x2} },
 218         { EXYNOS5_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG,  { 0x0, 0x0, 0x0} },
 219         { EXYNOS5_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG,        { 0x0, 0x0, 0x0} },
 220         { EXYNOS5_ARM_CORE1_SYS_PWR_REG,                { 0x0, 0x0, 0x2} },
 221         { EXYNOS5_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG,  { 0x0, 0x0, 0x0} },
 222         { EXYNOS5_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG,        { 0x0, 0x0, 0x0} },
 223         { EXYNOS5_FSYS_ARM_SYS_PWR_REG,                 { 0x1, 0x0, 0x0} },
 224         { EXYNOS5_DIS_IRQ_FSYS_ARM_CENTRAL_SYS_PWR_REG, { 0x1, 0x1, 0x1} },
 225         { EXYNOS5_ISP_ARM_SYS_PWR_REG,                  { 0x1, 0x0, 0x0} },
 226         { EXYNOS5_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG,    { 0x0, 0x0, 0x0} },
 227         { EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG,  { 0x0, 0x0, 0x0} },
 228         { EXYNOS5_ARM_COMMON_SYS_PWR_REG,               { 0x0, 0x0, 0x2} },
 229         { EXYNOS5_ARM_L2_SYS_PWR_REG,                   { 0x3, 0x3, 0x3} },
 230         { EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG,             { 0x1, 0x0, 0x1} },
 231         { EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG,             { 0x1, 0x0, 0x1} },
 232         { EXYNOS5_CMU_RESET_SYS_PWR_REG,                { 0x1, 0x1, 0x0} },
 233         { EXYNOS5_CMU_ACLKSTOP_SYSMEM_SYS_PWR_REG,      { 0x1, 0x0, 0x1} },
 234         { EXYNOS5_CMU_SCLKSTOP_SYSMEM_SYS_PWR_REG,      { 0x1, 0x0, 0x1} },
 235         { EXYNOS5_CMU_RESET_SYSMEM_SYS_PWR_REG,         { 0x1, 0x1, 0x0} },
 236         { EXYNOS5_DRAM_FREQ_DOWN_SYS_PWR_REG,           { 0x1, 0x1, 0x1} },
 237         { EXYNOS5_DDRPHY_DLLOFF_SYS_PWR_REG,            { 0x1, 0x1, 0x1} },
 238         { EXYNOS5_DDRPHY_DLLLOCK_SYS_PWR_REG,           { 0x1, 0x1, 0x1} },
 239         { EXYNOS5_APLL_SYSCLK_SYS_PWR_REG,              { 0x1, 0x0, 0x0} },
 240         { EXYNOS5_MPLL_SYSCLK_SYS_PWR_REG,              { 0x1, 0x0, 0x0} },
 241         { EXYNOS5_VPLL_SYSCLK_SYS_PWR_REG,              { 0x1, 0x0, 0x0} },
 242         { EXYNOS5_EPLL_SYSCLK_SYS_PWR_REG,              { 0x1, 0x1, 0x0} },
 243         { EXYNOS5_BPLL_SYSCLK_SYS_PWR_REG,              { 0x1, 0x0, 0x0} },
 244         { EXYNOS5_CPLL_SYSCLK_SYS_PWR_REG,              { 0x1, 0x0, 0x0} },
 245         { EXYNOS5_MPLLUSER_SYSCLK_SYS_PWR_REG,          { 0x1, 0x0, 0x0} },
 246         { EXYNOS5_BPLLUSER_SYSCLK_SYS_PWR_REG,          { 0x1, 0x0, 0x0} },
 247         { EXYNOS5_TOP_BUS_SYS_PWR_REG,                  { 0x3, 0x0, 0x0} },
 248         { EXYNOS5_TOP_RETENTION_SYS_PWR_REG,            { 0x1, 0x0, 0x1} },
 249         { EXYNOS5_TOP_PWR_SYS_PWR_REG,                  { 0x3, 0x0, 0x3} },
 250         { EXYNOS5_TOP_BUS_SYSMEM_SYS_PWR_REG,           { 0x3, 0x0, 0x0} },
 251         { EXYNOS5_TOP_RETENTION_SYSMEM_SYS_PWR_REG,     { 0x1, 0x0, 0x1} },
 252         { EXYNOS5_TOP_PWR_SYSMEM_SYS_PWR_REG,           { 0x3, 0x0, 0x3} },
 253         { EXYNOS5_LOGIC_RESET_SYS_PWR_REG,              { 0x1, 0x1, 0x0} },
 254         { EXYNOS5_OSCCLK_GATE_SYS_PWR_REG,              { 0x1, 0x0, 0x1} },
 255         { EXYNOS5_LOGIC_RESET_SYSMEM_SYS_PWR_REG,       { 0x1, 0x1, 0x0} },
 256         { EXYNOS5_OSCCLK_GATE_SYSMEM_SYS_PWR_REG,       { 0x1, 0x0, 0x1} },
 257         { EXYNOS5_USBOTG_MEM_SYS_PWR_REG,               { 0x3, 0x0, 0x0} },
 258         { EXYNOS5_G2D_MEM_SYS_PWR_REG,                  { 0x3, 0x0, 0x0} },
 259         { EXYNOS5_USBDRD_MEM_SYS_PWR_REG,               { 0x3, 0x0, 0x0} },
 260         { EXYNOS5_SDMMC_MEM_SYS_PWR_REG,                { 0x3, 0x0, 0x0} },
 261         { EXYNOS5_CSSYS_MEM_SYS_PWR_REG,                { 0x3, 0x0, 0x0} },
 262         { EXYNOS5_SECSS_MEM_SYS_PWR_REG,                { 0x3, 0x0, 0x0} },
 263         { EXYNOS5_ROTATOR_MEM_SYS_PWR_REG,              { 0x3, 0x0, 0x0} },
 264         { EXYNOS5_INTRAM_MEM_SYS_PWR_REG,               { 0x3, 0x0, 0x0} },
 265         { EXYNOS5_INTROM_MEM_SYS_PWR_REG,               { 0x3, 0x0, 0x0} },
 266         { EXYNOS5_JPEG_MEM_SYS_PWR_REG,                 { 0x3, 0x0, 0x0} },
 267         { EXYNOS5_HSI_MEM_SYS_PWR_REG,                  { 0x3, 0x0, 0x0} },
 268         { EXYNOS5_MCUIOP_MEM_SYS_PWR_REG,               { 0x3, 0x0, 0x0} },
 269         { EXYNOS5_SATA_MEM_SYS_PWR_REG,                 { 0x3, 0x0, 0x0} },
 270         { EXYNOS5_PAD_RETENTION_DRAM_SYS_PWR_REG,       { 0x1, 0x0, 0x0} },
 271         { EXYNOS5_PAD_RETENTION_MAU_SYS_PWR_REG,        { 0x1, 0x1, 0x0} },
 272         { EXYNOS5_PAD_RETENTION_GPIO_SYS_PWR_REG,       { 0x1, 0x0, 0x0} },
 273         { EXYNOS5_PAD_RETENTION_UART_SYS_PWR_REG,       { 0x1, 0x0, 0x0} },
 274         { EXYNOS5_PAD_RETENTION_MMCA_SYS_PWR_REG,       { 0x1, 0x0, 0x0} },
 275         { EXYNOS5_PAD_RETENTION_MMCB_SYS_PWR_REG,       { 0x1, 0x0, 0x0} },
 276         { EXYNOS5_PAD_RETENTION_EBIA_SYS_PWR_REG,       { 0x1, 0x0, 0x0} },
 277         { EXYNOS5_PAD_RETENTION_EBIB_SYS_PWR_REG,       { 0x1, 0x0, 0x0} },
 278         { EXYNOS5_PAD_RETENTION_SPI_SYS_PWR_REG,        { 0x1, 0x0, 0x0} },
 279         { EXYNOS5_PAD_RETENTION_GPIO_SYSMEM_SYS_PWR_REG,        { 0x1, 0x0, 0x0} },
 280         { EXYNOS5_PAD_ISOLATION_SYS_PWR_REG,            { 0x1, 0x0, 0x0} },
 281         { EXYNOS5_PAD_ISOLATION_SYSMEM_SYS_PWR_REG,     { 0x1, 0x0, 0x0} },
 282         { EXYNOS5_PAD_ALV_SEL_SYS_PWR_REG,              { 0x1, 0x0, 0x0} },
 283         { EXYNOS5_XUSBXTI_SYS_PWR_REG,                  { 0x1, 0x1, 0x1} },
 284         { EXYNOS5_XXTI_SYS_PWR_REG,                     { 0x1, 0x1, 0x0} },
 285         { EXYNOS5_EXT_REGULATOR_SYS_PWR_REG,            { 0x1, 0x1, 0x0} },
 286         { EXYNOS5_GPIO_MODE_SYS_PWR_REG,                { 0x1, 0x0, 0x0} },
 287         { EXYNOS5_GPIO_MODE_SYSMEM_SYS_PWR_REG,         { 0x1, 0x0, 0x0} },
 288         { EXYNOS5_GPIO_MODE_MAU_SYS_PWR_REG,            { 0x1, 0x1, 0x0} },
 289         { EXYNOS5_TOP_ASB_RESET_SYS_PWR_REG,            { 0x1, 0x1, 0x1} },
 290         { EXYNOS5_TOP_ASB_ISOLATION_SYS_PWR_REG,        { 0x1, 0x0, 0x1} },
 291         { EXYNOS5_GSCL_SYS_PWR_REG,                     { 0x7, 0x0, 0x0} },
 292         { EXYNOS5_ISP_SYS_PWR_REG,                      { 0x7, 0x0, 0x0} },
 293         { EXYNOS5_MFC_SYS_PWR_REG,                      { 0x7, 0x0, 0x0} },
 294         { EXYNOS5_G3D_SYS_PWR_REG,                      { 0x7, 0x0, 0x0} },
 295         { EXYNOS5_DISP1_SYS_PWR_REG,                    { 0x7, 0x0, 0x0} },
 296         { EXYNOS5_MAU_SYS_PWR_REG,                      { 0x7, 0x7, 0x0} },
 297         { EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG,         { 0x1, 0x0, 0x0} },
 298         { EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG,          { 0x1, 0x0, 0x0} },
 299         { EXYNOS5_CMU_CLKSTOP_MFC_SYS_PWR_REG,          { 0x1, 0x0, 0x0} },
 300         { EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG,          { 0x1, 0x0, 0x0} },
 301         { EXYNOS5_CMU_CLKSTOP_DISP1_SYS_PWR_REG,        { 0x1, 0x0, 0x0} },
 302         { EXYNOS5_CMU_CLKSTOP_MAU_SYS_PWR_REG,          { 0x1, 0x1, 0x0} },
 303         { EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG,          { 0x1, 0x0, 0x0} },
 304         { EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG,           { 0x1, 0x0, 0x0} },
 305         { EXYNOS5_CMU_SYSCLK_MFC_SYS_PWR_REG,           { 0x1, 0x0, 0x0} },
 306         { EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG,           { 0x1, 0x0, 0x0} },
 307         { EXYNOS5_CMU_SYSCLK_DISP1_SYS_PWR_REG,         { 0x1, 0x0, 0x0} },
 308         { EXYNOS5_CMU_SYSCLK_MAU_SYS_PWR_REG,           { 0x1, 0x1, 0x0} },
 309         { EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG,           { 0x1, 0x0, 0x0} },
 310         { EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG,            { 0x1, 0x0, 0x0} },
 311         { EXYNOS5_CMU_RESET_MFC_SYS_PWR_REG,            { 0x1, 0x0, 0x0} },
 312         { EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG,            { 0x1, 0x0, 0x0} },
 313         { EXYNOS5_CMU_RESET_DISP1_SYS_PWR_REG,          { 0x1, 0x0, 0x0} },
 314         { EXYNOS5_CMU_RESET_MAU_SYS_PWR_REG,            { 0x1, 0x1, 0x0} },
 315         { PMU_TABLE_END,},
 316 };
 317
 318 static void __iomem *exynos5_list_both_cnt_feed[] = {
 319         EXYNOS5_ARM_CORE0_OPTION,
 320         EXYNOS5_ARM_CORE1_OPTION,
 321         EXYNOS5_ARM_COMMON_OPTION,
 322         EXYNOS5_GSCL_OPTION,
 323         EXYNOS5_ISP_OPTION,
 324         EXYNOS5_MFC_OPTION,
 325         EXYNOS5_G3D_OPTION,
 326         EXYNOS5_DISP1_OPTION,
 327         EXYNOS5_MAU_OPTION,
 328         EXYNOS5_TOP_PWR_OPTION,
 329         EXYNOS5_TOP_PWR_SYSMEM_OPTION,
 330 };
 331
 332 static void __iomem *exynos5_list_diable_wfi_wfe[] = {
 333         EXYNOS5_ARM_CORE1_OPTION,
 334         EXYNOS5_FSYS_ARM_OPTION,
 335         EXYNOS5_ISP_ARM_OPTION,
 336 };
 337
 338 static void exynos5_init_pmu(void)
 339 {
 340         unsigned int i;
 341         unsigned int tmp;
 342
 343         /*
 344          * Enable both SC_FEEDBACK and SC_COUNTER
 345          */
 346         for (i = 0 ; i < ARRAY_SIZE(exynos5_list_both_cnt_feed) ; i++) {
 347                 tmp = __raw_readl(exynos5_list_both_cnt_feed[i]);
 348                 tmp |= (EXYNOS5_USE_SC_FEEDBACK |
 349                         EXYNOS5_USE_SC_COUNTER);
 350                 __raw_writel(tmp, exynos5_list_both_cnt_feed[i]);
 351         }
 352
 353         /*
 354          * SKIP_DEACTIVATE_ACEACP_IN_PWDN_BITFIELD Enable
 355          * MANUAL_L2RSTDISABLE_CONTROL_BITFIELD Enable
 356          */
 357         tmp = __raw_readl(EXYNOS5_ARM_COMMON_OPTION);
 358         tmp |= (EXYNOS5_MANUAL_L2RSTDISABLE_CONTROL |
 359                 EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN);
 360         __raw_writel(tmp, EXYNOS5_ARM_COMMON_OPTION);
 361
 362         /*
 363          * Disable WFI/WFE on XXX_OPTION
 364          */
 365         for (i = 0 ; i < ARRAY_SIZE(exynos5_list_diable_wfi_wfe) ; i++) {
 366                 tmp = __raw_readl(exynos5_list_diable_wfi_wfe[i]);
 367                 tmp &= ~(EXYNOS5_OPTION_USE_STANDBYWFE |
 368                          EXYNOS5_OPTION_USE_STANDBYWFI);
 369                 __raw_writel(tmp, exynos5_list_diable_wfi_wfe[i]);
 370         }
 371 }
 372
 373 void exynos_sys_powerdown_conf(enum sys_powerdown mode)
 374 {
 375         unsigned int i;
 376
 377         if (soc_is_exynos5250())
 378                 exynos5_init_pmu();
 379
 380         for (i = 0; (exynos_pmu_config[i].reg != PMU_TABLE_END) ; i++)
 381                 __raw_writel(exynos_pmu_config[i].val[mode],
 382                                 exynos_pmu_config[i].reg);
 383
 384         if (soc_is_exynos4412()) {
 385                 for (i = 0; exynos4412_pmu_config[i].reg != PMU_TABLE_END ; i++)
 386                         __raw_writel(exynos4412_pmu_config[i].val[mode],
 387                                 exynos4412_pmu_config[i].reg);
 388         }
 389 }
 390
 391 static int __init exynos_pmu_init(void)
 392 {
 393         unsigned int value;
 394
 395         exynos_pmu_config = exynos4210_pmu_config;
 396
 397         if (soc_is_exynos4210()) {
 398                 exynos_pmu_config = exynos4210_pmu_config;
 399                 pr_info("EXYNOS4210 PMU Initialize\n");
 400         } else if (soc_is_exynos4212() || soc_is_exynos4412()) {
 401                 exynos_pmu_config = exynos4x12_pmu_config;
 402                 pr_info("EXYNOS4x12 PMU Initialize\n");
 403         } else if (soc_is_exynos5250()) {
 404                 /*
 405                  * When SYS_WDTRESET is set, watchdog timer reset request
 406                  * is ignored by power management unit.
 407                  */
 408                 value = __raw_readl(EXYNOS5_AUTO_WDTRESET_DISABLE);
 409                 value &= ~EXYNOS5_SYS_WDTRESET;
 410                 __raw_writel(value, EXYNOS5_AUTO_WDTRESET_DISABLE);
 411
 412                 value = __raw_readl(EXYNOS5_MASK_WDTRESET_REQUEST);
 413                 value &= ~EXYNOS5_SYS_WDTRESET;
 414                 __raw_writel(value, EXYNOS5_MASK_WDTRESET_REQUEST);
 415
 416                 exynos_pmu_config = exynos5250_pmu_config;
 417                 pr_info("EXYNOS5250 PMU Initialize\n");
 418         } else {
 419                 pr_info("EXYNOS: PMU not supported\n");
 420         }
 421
 422         return 0;
 423 }
 424 arch_initcall(exynos_pmu_init);