| /* |
| * Exynos4210 Power Management Unit (PMU) Emulation |
| * |
| * Copyright (C) 2011 Samsung Electronics Co Ltd. |
| * Maksim Kozlov <m.kozlov@samsung.com> |
| * |
| * 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 <http://www.gnu.org/licenses/>. |
| */ |
| |
| /* |
| * 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 "system/runstate.h" |
| #include "qom/object.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" |
| OBJECT_DECLARE_SIMPLE_TYPE(Exynos4210PmuState, EXYNOS4210_PMU) |
| |
| struct Exynos4210PmuState { |
| SysBusDevice parent_obj; |
| |
| MemoryRegion iomem; |
| uint32_t reg[PMU_NUM_OF_REGISTERS]; |
| }; |
| |
| 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 = (const VMStateField[]) { |
| VMSTATE_UINT32_ARRAY(reg, Exynos4210PmuState, PMU_NUM_OF_REGISTERS), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static void exynos4210_pmu_class_init(ObjectClass *klass, const void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| |
| device_class_set_legacy_reset(dc, 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) |
