/* * Exynos4210 Power Management Unit (PMU) Emulation * * Copyright (C) 2011 Samsung Electronics Co Ltd. * Maksim Kozlov * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, see . */ /* * This model implements PMU registers just as a bulk of memory. Currently, * the only reason this device exists is that secondary CPU boot loader * uses PMU INFORM5 register as a holding pen. */ #include "qemu/osdep.h" #include "hw/sysbus.h" #include "migration/vmstate.h" #include "qemu/module.h" #include "sysemu/sysemu.h" #ifndef DEBUG_PMU #define DEBUG_PMU 0 #endif #ifndef DEBUG_PMU_EXTEND #define DEBUG_PMU_EXTEND 0 #endif #if DEBUG_PMU #define PRINT_DEBUG(fmt, args...) \ do { \ fprintf(stderr, " [%s:%d] "fmt, __func__, __LINE__, ##args); \ } while (0) #if DEBUG_PMU_EXTEND #define PRINT_DEBUG_EXTEND(fmt, args...) \ do { \ fprintf(stderr, " [%s:%d] "fmt, __func__, __LINE__, ##args); \ } while (0) #else #define PRINT_DEBUG_EXTEND(fmt, args...) do {} while (0) #endif /* EXTEND */ #else #define PRINT_DEBUG(fmt, args...) do {} while (0) #define PRINT_DEBUG_EXTEND(fmt, args...) do {} while (0) #endif /* * Offsets for PMU registers */ #define OM_STAT 0x0000 /* OM status register */ #define RTC_CLKO_SEL 0x000C /* Controls RTCCLKOUT */ #define GNSS_RTC_OUT_CTRL 0x0010 /* Controls GNSS_RTC_OUT */ /* Decides whether system-level low-power mode is used. */ #define SYSTEM_POWER_DOWN_CTRL 0x0200 /* Sets control options for CENTRAL_SEQ */ #define SYSTEM_POWER_DOWN_OPTION 0x0208 #define SWRESET 0x0400 /* Generate software reset */ #define RST_STAT 0x0404 /* Reset status register */ #define WAKEUP_STAT 0x0600 /* Wakeup status register */ #define EINT_WAKEUP_MASK 0x0604 /* Configure External INTerrupt mask */ #define WAKEUP_MASK 0x0608 /* Configure wakeup source mask */ #define HDMI_PHY_CONTROL 0x0700 /* HDMI PHY control register */ #define USBDEVICE_PHY_CONTROL 0x0704 /* USB Device PHY control register */ #define USBHOST_PHY_CONTROL 0x0708 /* USB HOST PHY control register */ #define DAC_PHY_CONTROL 0x070C /* DAC control register */ #define MIPI_PHY0_CONTROL 0x0710 /* MIPI PHY control register */ #define MIPI_PHY1_CONTROL 0x0714 /* MIPI PHY control register */ #define ADC_PHY_CONTROL 0x0718 /* TS-ADC control register */ #define PCIe_PHY_CONTROL 0x071C /* TS-PCIe control register */ #define SATA_PHY_CONTROL 0x0720 /* TS-SATA control register */ #define INFORM0 0x0800 /* Information register 0 */ #define INFORM1 0x0804 /* Information register 1 */ #define INFORM2 0x0808 /* Information register 2 */ #define INFORM3 0x080C /* Information register 3 */ #define INFORM4 0x0810 /* Information register 4 */ #define INFORM5 0x0814 /* Information register 5 */ #define INFORM6 0x0818 /* Information register 6 */ #define INFORM7 0x081C /* Information register 7 */ #define PMU_DEBUG 0x0A00 /* PMU debug register */ /* Registers to set system-level low-power option */ #define ARM_CORE0_SYS_PWR_REG 0x1000 #define ARM_CORE1_SYS_PWR_REG 0x1010 #define ARM_COMMON_SYS_PWR_REG 0x1080 #define ARM_CPU_L2_0_SYS_PWR_REG 0x10C0 #define ARM_CPU_L2_1_SYS_PWR_REG 0x10C4 #define CMU_ACLKSTOP_SYS_PWR_REG 0x1100 #define CMU_SCLKSTOP_SYS_PWR_REG 0x1104 #define CMU_RESET_SYS_PWR_REG 0x110C #define APLL_SYSCLK_SYS_PWR_REG 0x1120 #define MPLL_SYSCLK_SYS_PWR_REG 0x1124 #define VPLL_SYSCLK_SYS_PWR_REG 0x1128 #define EPLL_SYSCLK_SYS_PWR_REG 0x112C #define CMU_CLKSTOP_GPS_ALIVE_SYS_PWR_REG 0x1138 #define CMU_RESET_GPS_ALIVE_SYS_PWR_REG 0x113C #define CMU_CLKSTOP_CAM_SYS_PWR_REG 0x1140 #define CMU_CLKSTOP_TV_SYS_PWR_REG 0x1144 #define CMU_CLKSTOP_MFC_SYS_PWR_REG 0x1148 #define CMU_CLKSTOP_G3D_SYS_PWR_REG 0x114C #define CMU_CLKSTOP_LCD0_SYS_PWR_REG 0x1150 #define CMU_CLKSTOP_LCD1_SYS_PWR_REG 0x1154 #define CMU_CLKSTOP_MAUDIO_SYS_PWR_REG 0x1158 #define CMU_CLKSTOP_GPS_SYS_PWR_REG 0x115C #define CMU_RESET_CAM_SYS_PWR_REG 0x1160 #define CMU_RESET_TV_SYS_PWR_REG 0x1164 #define CMU_RESET_MFC_SYS_PWR_REG 0x1168 #define CMU_RESET_G3D_SYS_PWR_REG 0x116C #define CMU_RESET_LCD0_SYS_PWR_REG 0x1170 #define CMU_RESET_LCD1_SYS_PWR_REG 0x1174 #define CMU_RESET_MAUDIO_SYS_PWR_REG 0x1178 #define CMU_RESET_GPS_SYS_PWR_REG 0x117C #define TOP_BUS_SYS_PWR_REG 0x1180 #define TOP_RETENTION_SYS_PWR_REG 0x1184 #define TOP_PWR_SYS_PWR_REG 0x1188 #define LOGIC_RESET_SYS_PWR_REG 0x11A0 #define OneNANDXL_MEM_SYS_PWR_REG 0x11C0 #define MODEMIF_MEM_SYS_PWR_REG 0x11C4 #define USBDEVICE_MEM_SYS_PWR_REG 0x11CC #define SDMMC_MEM_SYS_PWR_REG 0x11D0 #define CSSYS_MEM_SYS_PWR_REG 0x11D4 #define SECSS_MEM_SYS_PWR_REG 0x11D8 #define PCIe_MEM_SYS_PWR_REG 0x11E0 #define SATA_MEM_SYS_PWR_REG 0x11E4 #define PAD_RETENTION_DRAM_SYS_PWR_REG 0x1200 #define PAD_RETENTION_MAUDIO_SYS_PWR_REG 0x1204 #define PAD_RETENTION_GPIO_SYS_PWR_REG 0x1220 #define PAD_RETENTION_UART_SYS_PWR_REG 0x1224 #define PAD_RETENTION_MMCA_SYS_PWR_REG 0x1228 #define PAD_RETENTION_MMCB_SYS_PWR_REG 0x122C #define PAD_RETENTION_EBIA_SYS_PWR_REG 0x1230 #define PAD_RETENTION_EBIB_SYS_PWR_REG 0x1234 #define PAD_ISOLATION_SYS_PWR_REG 0x1240 #define PAD_ALV_SEL_SYS_PWR_REG 0x1260 #define XUSBXTI_SYS_PWR_REG 0x1280 #define XXTI_SYS_PWR_REG 0x1284 #define EXT_REGULATOR_SYS_PWR_REG 0x12C0 #define GPIO_MODE_SYS_PWR_REG 0x1300 #define GPIO_MODE_MAUDIO_SYS_PWR_REG 0x1340 #define CAM_SYS_PWR_REG 0x1380 #define TV_SYS_PWR_REG 0x1384 #define MFC_SYS_PWR_REG 0x1388 #define G3D_SYS_PWR_REG 0x138C #define LCD0_SYS_PWR_REG 0x1390 #define LCD1_SYS_PWR_REG 0x1394 #define MAUDIO_SYS_PWR_REG 0x1398 #define GPS_SYS_PWR_REG 0x139C #define GPS_ALIVE_SYS_PWR_REG 0x13A0 #define ARM_CORE0_CONFIGURATION 0x2000 /* Configure power mode of ARM_CORE0 */ #define ARM_CORE0_STATUS 0x2004 /* Check power mode of ARM_CORE0 */ #define ARM_CORE0_OPTION 0x2008 /* Sets control options for ARM_CORE0 */ #define ARM_CORE1_CONFIGURATION 0x2080 /* Configure power mode of ARM_CORE1 */ #define ARM_CORE1_STATUS 0x2084 /* Check power mode of ARM_CORE1 */ #define ARM_CORE1_OPTION 0x2088 /* Sets control options for ARM_CORE0 */ #define ARM_COMMON_OPTION 0x2408 /* Sets control options for ARM_COMMON */ /* Configure power mode of ARM_CPU_L2_0 */ #define ARM_CPU_L2_0_CONFIGURATION 0x2600 #define ARM_CPU_L2_0_STATUS 0x2604 /* Check power mode of ARM_CPU_L2_0 */ /* Configure power mode of ARM_CPU_L2_1 */ #define ARM_CPU_L2_1_CONFIGURATION 0x2620 #define ARM_CPU_L2_1_STATUS 0x2624 /* Check power mode of ARM_CPU_L2_1 */ /* Sets control options for PAD_RETENTION_MAUDIO */ #define PAD_RETENTION_MAUDIO_OPTION 0x3028 /* Sets control options for PAD_RETENTION_GPIO */ #define PAD_RETENTION_GPIO_OPTION 0x3108 /* Sets control options for PAD_RETENTION_UART */ #define PAD_RETENTION_UART_OPTION 0x3128 /* Sets control options for PAD_RETENTION_MMCA */ #define PAD_RETENTION_MMCA_OPTION 0x3148 /* Sets control options for PAD_RETENTION_MMCB */ #define PAD_RETENTION_MMCB_OPTION 0x3168 /* Sets control options for PAD_RETENTION_EBIA */ #define PAD_RETENTION_EBIA_OPTION 0x3188 /* Sets control options for PAD_RETENTION_EBIB */ #define PAD_RETENTION_EBIB_OPTION 0x31A8 #define PS_HOLD_CONTROL 0x330C /* PS_HOLD control register */ #define XUSBXTI_CONFIGURATION 0x3400 /* Configure the pad of XUSBXTI */ #define XUSBXTI_STATUS 0x3404 /* Check the pad of XUSBXTI */ /* Sets time required for XUSBXTI to be stabilized */ #define XUSBXTI_DURATION 0x341C #define XXTI_CONFIGURATION 0x3420 /* Configure the pad of XXTI */ #define XXTI_STATUS 0x3424 /* Check the pad of XXTI */ /* Sets time required for XXTI to be stabilized */ #define XXTI_DURATION 0x343C /* Sets time required for EXT_REGULATOR to be stabilized */ #define EXT_REGULATOR_DURATION 0x361C #define CAM_CONFIGURATION 0x3C00 /* Configure power mode of CAM */ #define CAM_STATUS 0x3C04 /* Check power mode of CAM */ #define CAM_OPTION 0x3C08 /* Sets control options for CAM */ #define TV_CONFIGURATION 0x3C20 /* Configure power mode of TV */ #define TV_STATUS 0x3C24 /* Check power mode of TV */ #define TV_OPTION 0x3C28 /* Sets control options for TV */ #define MFC_CONFIGURATION 0x3C40 /* Configure power mode of MFC */ #define MFC_STATUS 0x3C44 /* Check power mode of MFC */ #define MFC_OPTION 0x3C48 /* Sets control options for MFC */ #define G3D_CONFIGURATION 0x3C60 /* Configure power mode of G3D */ #define G3D_STATUS 0x3C64 /* Check power mode of G3D */ #define G3D_OPTION 0x3C68 /* Sets control options for G3D */ #define LCD0_CONFIGURATION 0x3C80 /* Configure power mode of LCD0 */ #define LCD0_STATUS 0x3C84 /* Check power mode of LCD0 */ #define LCD0_OPTION 0x3C88 /* Sets control options for LCD0 */ #define LCD1_CONFIGURATION 0x3CA0 /* Configure power mode of LCD1 */ #define LCD1_STATUS 0x3CA4 /* Check power mode of LCD1 */ #define LCD1_OPTION 0x3CA8 /* Sets control options for LCD1 */ #define GPS_CONFIGURATION 0x3CE0 /* Configure power mode of GPS */ #define GPS_STATUS 0x3CE4 /* Check power mode of GPS */ #define GPS_OPTION 0x3CE8 /* Sets control options for GPS */ #define GPS_ALIVE_CONFIGURATION 0x3D00 /* Configure power mode of GPS */ #define GPS_ALIVE_STATUS 0x3D04 /* Check power mode of GPS */ #define GPS_ALIVE_OPTION 0x3D08 /* Sets control options for GPS */ #define EXYNOS4210_PMU_REGS_MEM_SIZE 0x3d0c typedef struct Exynos4210PmuReg { const char *name; /* for debug only */ uint32_t offset; uint32_t reset_value; } Exynos4210PmuReg; static const Exynos4210PmuReg exynos4210_pmu_regs[] = { {"OM_STAT", OM_STAT, 0x00000000}, {"RTC_CLKO_SEL", RTC_CLKO_SEL, 0x00000000}, {"GNSS_RTC_OUT_CTRL", GNSS_RTC_OUT_CTRL, 0x00000001}, {"SYSTEM_POWER_DOWN_CTRL", SYSTEM_POWER_DOWN_CTRL, 0x00010000}, {"SYSTEM_POWER_DOWN_OPTION", SYSTEM_POWER_DOWN_OPTION, 0x03030000}, {"SWRESET", SWRESET, 0x00000000}, {"RST_STAT", RST_STAT, 0x00000000}, {"WAKEUP_STAT", WAKEUP_STAT, 0x00000000}, {"EINT_WAKEUP_MASK", EINT_WAKEUP_MASK, 0x00000000}, {"WAKEUP_MASK", WAKEUP_MASK, 0x00000000}, {"HDMI_PHY_CONTROL", HDMI_PHY_CONTROL, 0x00960000}, {"USBDEVICE_PHY_CONTROL", USBDEVICE_PHY_CONTROL, 0x00000000}, {"USBHOST_PHY_CONTROL", USBHOST_PHY_CONTROL, 0x00000000}, {"DAC_PHY_CONTROL", DAC_PHY_CONTROL, 0x00000000}, {"MIPI_PHY0_CONTROL", MIPI_PHY0_CONTROL, 0x00000000}, {"MIPI_PHY1_CONTROL", MIPI_PHY1_CONTROL, 0x00000000}, {"ADC_PHY_CONTROL", ADC_PHY_CONTROL, 0x00000001}, {"PCIe_PHY_CONTROL", PCIe_PHY_CONTROL, 0x00000000}, {"SATA_PHY_CONTROL", SATA_PHY_CONTROL, 0x00000000}, {"INFORM0", INFORM0, 0x00000000}, {"INFORM1", INFORM1, 0x00000000}, {"INFORM2", INFORM2, 0x00000000}, {"INFORM3", INFORM3, 0x00000000}, {"INFORM4", INFORM4, 0x00000000}, {"INFORM5", INFORM5, 0x00000000}, {"INFORM6", INFORM6, 0x00000000}, {"INFORM7", INFORM7, 0x00000000}, {"PMU_DEBUG", PMU_DEBUG, 0x00000000}, {"ARM_CORE0_SYS_PWR_REG", ARM_CORE0_SYS_PWR_REG, 0xFFFFFFFF}, {"ARM_CORE1_SYS_PWR_REG", ARM_CORE1_SYS_PWR_REG, 0xFFFFFFFF}, {"ARM_COMMON_SYS_PWR_REG", ARM_COMMON_SYS_PWR_REG, 0xFFFFFFFF}, {"ARM_CPU_L2_0_SYS_PWR_REG", ARM_CPU_L2_0_SYS_PWR_REG, 0xFFFFFFFF}, {"ARM_CPU_L2_1_SYS_PWR_REG", ARM_CPU_L2_1_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_ACLKSTOP_SYS_PWR_REG", CMU_ACLKSTOP_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_SCLKSTOP_SYS_PWR_REG", CMU_SCLKSTOP_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_RESET_SYS_PWR_REG", CMU_RESET_SYS_PWR_REG, 0xFFFFFFFF}, {"APLL_SYSCLK_SYS_PWR_REG", APLL_SYSCLK_SYS_PWR_REG, 0xFFFFFFFF}, {"MPLL_SYSCLK_SYS_PWR_REG", MPLL_SYSCLK_SYS_PWR_REG, 0xFFFFFFFF}, {"VPLL_SYSCLK_SYS_PWR_REG", VPLL_SYSCLK_SYS_PWR_REG, 0xFFFFFFFF}, {"EPLL_SYSCLK_SYS_PWR_REG", EPLL_SYSCLK_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_CLKSTOP_GPS_ALIVE_SYS_PWR_REG", CMU_CLKSTOP_GPS_ALIVE_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_RESET_GPS_ALIVE_SYS_PWR_REG", CMU_RESET_GPS_ALIVE_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_CLKSTOP_CAM_SYS_PWR_REG", CMU_CLKSTOP_CAM_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_CLKSTOP_TV_SYS_PWR_REG", CMU_CLKSTOP_TV_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_CLKSTOP_MFC_SYS_PWR_REG", CMU_CLKSTOP_MFC_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_CLKSTOP_G3D_SYS_PWR_REG", CMU_CLKSTOP_G3D_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_CLKSTOP_LCD0_SYS_PWR_REG", CMU_CLKSTOP_LCD0_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_CLKSTOP_LCD1_SYS_PWR_REG", CMU_CLKSTOP_LCD1_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_CLKSTOP_MAUDIO_SYS_PWR_REG", CMU_CLKSTOP_MAUDIO_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_CLKSTOP_GPS_SYS_PWR_REG", CMU_CLKSTOP_GPS_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_RESET_CAM_SYS_PWR_REG", CMU_RESET_CAM_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_RESET_TV_SYS_PWR_REG", CMU_RESET_TV_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_RESET_MFC_SYS_PWR_REG", CMU_RESET_MFC_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_RESET_G3D_SYS_PWR_REG", CMU_RESET_G3D_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_RESET_LCD0_SYS_PWR_REG", CMU_RESET_LCD0_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_RESET_LCD1_SYS_PWR_REG", CMU_RESET_LCD1_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_RESET_MAUDIO_SYS_PWR_REG", CMU_RESET_MAUDIO_SYS_PWR_REG, 0xFFFFFFFF}, {"CMU_RESET_GPS_SYS_PWR_REG", CMU_RESET_GPS_SYS_PWR_REG, 0xFFFFFFFF}, {"TOP_BUS_SYS_PWR_REG", TOP_BUS_SYS_PWR_REG, 0xFFFFFFFF}, {"TOP_RETENTION_SYS_PWR_REG", TOP_RETENTION_SYS_PWR_REG, 0xFFFFFFFF}, {"TOP_PWR_SYS_PWR_REG", TOP_PWR_SYS_PWR_REG, 0xFFFFFFFF}, {"LOGIC_RESET_SYS_PWR_REG", LOGIC_RESET_SYS_PWR_REG, 0xFFFFFFFF}, {"OneNANDXL_MEM_SYS_PWR_REG", OneNANDXL_MEM_SYS_PWR_REG, 0xFFFFFFFF}, {"MODEMIF_MEM_SYS_PWR_REG", MODEMIF_MEM_SYS_PWR_REG, 0xFFFFFFFF}, {"USBDEVICE_MEM_SYS_PWR_REG", USBDEVICE_MEM_SYS_PWR_REG, 0xFFFFFFFF}, {"SDMMC_MEM_SYS_PWR_REG", SDMMC_MEM_SYS_PWR_REG, 0xFFFFFFFF}, {"CSSYS_MEM_SYS_PWR_REG", CSSYS_MEM_SYS_PWR_REG, 0xFFFFFFFF}, {"SECSS_MEM_SYS_PWR_REG", SECSS_MEM_SYS_PWR_REG, 0xFFFFFFFF}, {"PCIe_MEM_SYS_PWR_REG", PCIe_MEM_SYS_PWR_REG, 0xFFFFFFFF}, {"SATA_MEM_SYS_PWR_REG", SATA_MEM_SYS_PWR_REG, 0xFFFFFFFF}, {"PAD_RETENTION_DRAM_SYS_PWR_REG", PAD_RETENTION_DRAM_SYS_PWR_REG, 0xFFFFFFFF}, {"PAD_RETENTION_MAUDIO_SYS_PWR_REG", PAD_RETENTION_MAUDIO_SYS_PWR_REG, 0xFFFFFFFF}, {"PAD_RETENTION_GPIO_SYS_PWR_REG", PAD_RETENTION_GPIO_SYS_PWR_REG, 0xFFFFFFFF}, {"PAD_RETENTION_UART_SYS_PWR_REG", PAD_RETENTION_UART_SYS_PWR_REG, 0xFFFFFFFF}, {"PAD_RETENTION_MMCA_SYS_PWR_REG", PAD_RETENTION_MMCA_SYS_PWR_REG, 0xFFFFFFFF}, {"PAD_RETENTION_MMCB_SYS_PWR_REG", PAD_RETENTION_MMCB_SYS_PWR_REG, 0xFFFFFFFF}, {"PAD_RETENTION_EBIA_SYS_PWR_REG", PAD_RETENTION_EBIA_SYS_PWR_REG, 0xFFFFFFFF}, {"PAD_RETENTION_EBIB_SYS_PWR_REG", PAD_RETENTION_EBIB_SYS_PWR_REG, 0xFFFFFFFF}, {"PAD_ISOLATION_SYS_PWR_REG", PAD_ISOLATION_SYS_PWR_REG, 0xFFFFFFFF}, {"PAD_ALV_SEL_SYS_PWR_REG", PAD_ALV_SEL_SYS_PWR_REG, 0xFFFFFFFF}, {"XUSBXTI_SYS_PWR_REG", XUSBXTI_SYS_PWR_REG, 0xFFFFFFFF}, {"XXTI_SYS_PWR_REG", XXTI_SYS_PWR_REG, 0xFFFFFFFF}, {"EXT_REGULATOR_SYS_PWR_REG", EXT_REGULATOR_SYS_PWR_REG, 0xFFFFFFFF}, {"GPIO_MODE_SYS_PWR_REG", GPIO_MODE_SYS_PWR_REG, 0xFFFFFFFF}, {"GPIO_MODE_MAUDIO_SYS_PWR_REG", GPIO_MODE_MAUDIO_SYS_PWR_REG, 0xFFFFFFFF}, {"CAM_SYS_PWR_REG", CAM_SYS_PWR_REG, 0xFFFFFFFF}, {"TV_SYS_PWR_REG", TV_SYS_PWR_REG, 0xFFFFFFFF}, {"MFC_SYS_PWR_REG", MFC_SYS_PWR_REG, 0xFFFFFFFF}, {"G3D_SYS_PWR_REG", G3D_SYS_PWR_REG, 0xFFFFFFFF}, {"LCD0_SYS_PWR_REG", LCD0_SYS_PWR_REG, 0xFFFFFFFF}, {"LCD1_SYS_PWR_REG", LCD1_SYS_PWR_REG, 0xFFFFFFFF}, {"MAUDIO_SYS_PWR_REG", MAUDIO_SYS_PWR_REG, 0xFFFFFFFF}, {"GPS_SYS_PWR_REG", GPS_SYS_PWR_REG, 0xFFFFFFFF}, {"GPS_ALIVE_SYS_PWR_REG", GPS_ALIVE_SYS_PWR_REG, 0xFFFFFFFF}, {"ARM_CORE0_CONFIGURATION", ARM_CORE0_CONFIGURATION, 0x00000003}, {"ARM_CORE0_STATUS", ARM_CORE0_STATUS, 0x00030003}, {"ARM_CORE0_OPTION", ARM_CORE0_OPTION, 0x01010001}, {"ARM_CORE1_CONFIGURATION", ARM_CORE1_CONFIGURATION, 0x00000003}, {"ARM_CORE1_STATUS", ARM_CORE1_STATUS, 0x00030003}, {"ARM_CORE1_OPTION", ARM_CORE1_OPTION, 0x01010001}, {"ARM_COMMON_OPTION", ARM_COMMON_OPTION, 0x00000001}, {"ARM_CPU_L2_0_CONFIGURATION", ARM_CPU_L2_0_CONFIGURATION, 0x00000003}, {"ARM_CPU_L2_0_STATUS", ARM_CPU_L2_0_STATUS, 0x00000003}, {"ARM_CPU_L2_1_CONFIGURATION", ARM_CPU_L2_1_CONFIGURATION, 0x00000003}, {"ARM_CPU_L2_1_STATUS", ARM_CPU_L2_1_STATUS, 0x00000003}, {"PAD_RETENTION_MAUDIO_OPTION", PAD_RETENTION_MAUDIO_OPTION, 0x00000000}, {"PAD_RETENTION_GPIO_OPTION", PAD_RETENTION_GPIO_OPTION, 0x00000000}, {"PAD_RETENTION_UART_OPTION", PAD_RETENTION_UART_OPTION, 0x00000000}, {"PAD_RETENTION_MMCA_OPTION", PAD_RETENTION_MMCA_OPTION, 0x00000000}, {"PAD_RETENTION_MMCB_OPTION", PAD_RETENTION_MMCB_OPTION, 0x00000000}, {"PAD_RETENTION_EBIA_OPTION", PAD_RETENTION_EBIA_OPTION, 0x00000000}, {"PAD_RETENTION_EBIB_OPTION", PAD_RETENTION_EBIB_OPTION, 0x00000000}, /* * PS_HOLD_CONTROL: reset value and manually toggle high the DATA bit. * DATA bit high, set usually by bootloader, keeps system on. */ {"PS_HOLD_CONTROL", PS_HOLD_CONTROL, 0x00005200 | BIT(8)}, {"XUSBXTI_CONFIGURATION", XUSBXTI_CONFIGURATION, 0x00000001}, {"XUSBXTI_STATUS", XUSBXTI_STATUS, 0x00000001}, {"XUSBXTI_DURATION", XUSBXTI_DURATION, 0xFFF00000}, {"XXTI_CONFIGURATION", XXTI_CONFIGURATION, 0x00000001}, {"XXTI_STATUS", XXTI_STATUS, 0x00000001}, {"XXTI_DURATION", XXTI_DURATION, 0xFFF00000}, {"EXT_REGULATOR_DURATION", EXT_REGULATOR_DURATION, 0xFFF03FFF}, {"CAM_CONFIGURATION", CAM_CONFIGURATION, 0x00000007}, {"CAM_STATUS", CAM_STATUS, 0x00060007}, {"CAM_OPTION", CAM_OPTION, 0x00000001}, {"TV_CONFIGURATION", TV_CONFIGURATION, 0x00000007}, {"TV_STATUS", TV_STATUS, 0x00060007}, {"TV_OPTION", TV_OPTION, 0x00000001}, {"MFC_CONFIGURATION", MFC_CONFIGURATION, 0x00000007}, {"MFC_STATUS", MFC_STATUS, 0x00060007}, {"MFC_OPTION", MFC_OPTION, 0x00000001}, {"G3D_CONFIGURATION", G3D_CONFIGURATION, 0x00000007}, {"G3D_STATUS", G3D_STATUS, 0x00060007}, {"G3D_OPTION", G3D_OPTION, 0x00000001}, {"LCD0_CONFIGURATION", LCD0_CONFIGURATION, 0x00000007}, {"LCD0_STATUS", LCD0_STATUS, 0x00060007}, {"LCD0_OPTION", LCD0_OPTION, 0x00000001}, {"LCD1_CONFIGURATION", LCD1_CONFIGURATION, 0x00000007}, {"LCD1_STATUS", LCD1_STATUS, 0x00060007}, {"LCD1_OPTION", LCD1_OPTION, 0x00000001}, {"GPS_CONFIGURATION", GPS_CONFIGURATION, 0x00000007}, {"GPS_STATUS", GPS_STATUS, 0x00060007}, {"GPS_OPTION", GPS_OPTION, 0x00000001}, {"GPS_ALIVE_CONFIGURATION", GPS_ALIVE_CONFIGURATION, 0x00000007}, {"GPS_ALIVE_STATUS", GPS_ALIVE_STATUS, 0x00060007}, {"GPS_ALIVE_OPTION", GPS_ALIVE_OPTION, 0x00000001}, }; #define PMU_NUM_OF_REGISTERS ARRAY_SIZE(exynos4210_pmu_regs) #define TYPE_EXYNOS4210_PMU "exynos4210.pmu" #define EXYNOS4210_PMU(obj) \ OBJECT_CHECK(Exynos4210PmuState, (obj), TYPE_EXYNOS4210_PMU) typedef struct Exynos4210PmuState { SysBusDevice parent_obj; MemoryRegion iomem; uint32_t reg[PMU_NUM_OF_REGISTERS]; } Exynos4210PmuState; static void exynos4210_pmu_poweroff(void) { PRINT_DEBUG("QEMU PMU: PS_HOLD bit down, powering off\n"); qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); } static uint64_t exynos4210_pmu_read(void *opaque, hwaddr offset, unsigned size) { Exynos4210PmuState *s = (Exynos4210PmuState *)opaque; const Exynos4210PmuReg *reg_p = exynos4210_pmu_regs; unsigned int i; for (i = 0; i < PMU_NUM_OF_REGISTERS; i++) { if (reg_p->offset == offset) { PRINT_DEBUG_EXTEND("%s [0x%04x] -> 0x%04x\n", reg_p->name, (uint32_t)offset, s->reg[i]); return s->reg[i]; } reg_p++; } PRINT_DEBUG("QEMU PMU ERROR: bad read offset 0x%04x\n", (uint32_t)offset); return 0; } static void exynos4210_pmu_write(void *opaque, hwaddr offset, uint64_t val, unsigned size) { Exynos4210PmuState *s = (Exynos4210PmuState *)opaque; const Exynos4210PmuReg *reg_p = exynos4210_pmu_regs; unsigned int i; for (i = 0; i < PMU_NUM_OF_REGISTERS; i++) { if (reg_p->offset == offset) { PRINT_DEBUG_EXTEND("%s <0x%04x> <- 0x%04x\n", reg_p->name, (uint32_t)offset, (uint32_t)val); s->reg[i] = val; if ((offset == PS_HOLD_CONTROL) && ((val & BIT(8)) == 0)) { /* * We are interested only in setting data bit * of PS_HOLD_CONTROL register to indicate power off request. */ exynos4210_pmu_poweroff(); } return; } reg_p++; } PRINT_DEBUG("QEMU PMU ERROR: bad write offset 0x%04x\n", (uint32_t)offset); } static const MemoryRegionOps exynos4210_pmu_ops = { .read = exynos4210_pmu_read, .write = exynos4210_pmu_write, .endianness = DEVICE_NATIVE_ENDIAN, .valid = { .min_access_size = 4, .max_access_size = 4, .unaligned = false } }; static void exynos4210_pmu_reset(DeviceState *dev) { Exynos4210PmuState *s = EXYNOS4210_PMU(dev); unsigned i; /* Set default values for registers */ for (i = 0; i < PMU_NUM_OF_REGISTERS; i++) { s->reg[i] = exynos4210_pmu_regs[i].reset_value; } } static void exynos4210_pmu_init(Object *obj) { Exynos4210PmuState *s = EXYNOS4210_PMU(obj); SysBusDevice *dev = SYS_BUS_DEVICE(obj); /* memory mapping */ memory_region_init_io(&s->iomem, obj, &exynos4210_pmu_ops, s, "exynos4210.pmu", EXYNOS4210_PMU_REGS_MEM_SIZE); sysbus_init_mmio(dev, &s->iomem); } static const VMStateDescription exynos4210_pmu_vmstate = { .name = "exynos4210.pmu", .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { VMSTATE_UINT32_ARRAY(reg, Exynos4210PmuState, PMU_NUM_OF_REGISTERS), VMSTATE_END_OF_LIST() } }; static void exynos4210_pmu_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->reset = exynos4210_pmu_reset; dc->vmsd = &exynos4210_pmu_vmstate; } static const TypeInfo exynos4210_pmu_info = { .name = TYPE_EXYNOS4210_PMU, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(Exynos4210PmuState), .instance_init = exynos4210_pmu_init, .class_init = exynos4210_pmu_class_init, }; static void exynos4210_pmu_register(void) { type_register_static(&exynos4210_pmu_info); } type_init(exynos4210_pmu_register)