[v4,9/9] drivers: soc: Add support for Exynos PMU driver

Message ID	1447155784-12667-10-git-send-email-pankaj.dubey@samsung.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org> From: Pankaj Dubey <pankaj.dubey@samsung.com> To: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 9/9] drivers: soc: Add support for Exynos PMU driver Date: Tue, 10 Nov 2015 17:13:04 +0530 Message-id: <1447155784-12667-10-git-send-email-pankaj.dubey@samsung.com> In-reply-to: <1447155784-12667-1-git-send-email-pankaj.dubey@samsung.com> References: <1447155784-12667-1-git-send-email-pankaj.dubey@samsung.com> DLP-Filter: Pass Precedence: list Cc: amitdanielk@gmail.com, k.kozlowski@samsung.com, kgene.kim@samsung.com, arnd@arndb.de, khilman@linaro.org, Pankaj Dubey <pankaj.dubey@samsung.com>, thomas.ab@samsung.com, olof@lixom.net MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org

diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index 83c85f5..874cb38 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -16,6 +16,7 @@ menuconfig ARCH_EXYNOS select ARM_GIC select COMMON_CLK_SAMSUNG select EXYNOS_THERMAL + select EXYNOS_PMU select EXYNOS_SROM if PM select HAVE_ARM_SCU if SMP select HAVE_S3C2410_I2C if I2C diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile index 2d58063..34d29df 100644 --- a/arch/arm/mach-exynos/Makefile +++ b/arch/arm/mach-exynos/Makefile @@ -9,9 +9,7 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) += -I$(srctree)/$(src)/include -I$(srctree) # Core -obj-$(CONFIG_ARCH_EXYNOS) += exynos.o pmu.o exynos-smc.o firmware.o \ - exynos3250-pmu.o exynos4-pmu.o \ - exynos5250-pmu.o exynos5420-pmu.o +obj-$(CONFIG_ARCH_EXYNOS) += exynos.o exynos-smc.o firmware.o obj-$(CONFIG_EXYNOS_CPU_SUSPEND) += pm.o sleep.o obj-$(CONFIG_PM_SLEEP) += suspend.o diff --git a/arch/arm/mach-exynos/exynos-pmu.h b/arch/arm/mach-exynos/exynos-pmu.h deleted file mode 100644 index 306f5c7..0000000 --- a/arch/arm/mach-exynos/exynos-pmu.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - * Copyright (c) 2015 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Header for EXYNOS PMU Driver support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __EXYNOS_PMU_H -#define __EXYNOS_PMU_H - -#include <linux/io.h> - -#define PMU_TABLE_END (-1U) - - -struct exynos_pmu_conf { - unsigned int offset; - u8 val[NUM_SYS_POWERDOWN]; -}; - -struct exynos_pmu_data { - const struct exynos_pmu_conf *pmu_config; - const struct exynos_pmu_conf *pmu_config_extra; - - void (*pmu_init)(void); - void (*powerdown_conf)(enum sys_powerdown); - void (*powerdown_conf_extra)(enum sys_powerdown); -}; - -extern void __iomem *pmu_base_addr; -/* list of all exported SoC specific data */ -extern const struct exynos_pmu_data exynos3250_pmu_data; -extern const struct exynos_pmu_data exynos4210_pmu_data; -extern const struct exynos_pmu_data exynos4212_pmu_data; -extern const struct exynos_pmu_data exynos4412_pmu_data; -extern const struct exynos_pmu_data exynos5250_pmu_data; -extern const struct exynos_pmu_data exynos5420_pmu_data; - -extern void pmu_raw_writel(u32 val, u32 offset); -extern u32 pmu_raw_readl(u32 offset); -#endif /* __EXYNOS_PMU_H */ diff --git a/arch/arm/mach-exynos/exynos3250-pmu.c b/arch/arm/mach-exynos/exynos3250-pmu.c deleted file mode 100644 index 20b3ab8..0000000 --- a/arch/arm/mach-exynos/exynos3250-pmu.c +++ /dev/null @@ -1,175 +0,0 @@ -/* - * Copyright (c) 2011-2015 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * EXYNOS3250 - CPU PMU (Power Management Unit) support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/soc/samsung/exynos-regs-pmu.h> -#include <linux/soc/samsung/exynos-pmu.h> - -#include "exynos-pmu.h" - -static struct exynos_pmu_conf exynos3250_pmu_config[] = { - /* { .offset = offset, .val = { AFTR, W-AFTR, SLEEP } */ - { EXYNOS3_ARM_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, - { EXYNOS3_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS3_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS3_ARM_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, - { EXYNOS3_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS3_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS3_ISP_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS3_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS3_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, - { EXYNOS3_ARM_L2_SYS_PWR_REG, { 0x0, 0x0, 0x3} }, - { EXYNOS3_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_DRAM_FREQ_DOWN_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS3_DDRPHY_DLLOFF_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS3_LPDDR_PHY_DLL_LOCK_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS3_CMU_ACLKSTOP_COREBLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_SCLKSTOP_COREBLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_RESET_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_APLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_MPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_BPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_VPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_EPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_UPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS3_EPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_MPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_BPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_CLKSTOP_CAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_CLKSTOP_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_CLKSTOP_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_CLKSTOP_LCD0_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_CLKSTOP_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_CLKSTOP_MAUDIO_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_RESET_CAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_RESET_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_RESET_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_RESET_LCD0_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_RESET_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_CMU_RESET_MAUDIO_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS3_TOP_BUS_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS3_TOP_RETENTION_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS3_TOP_PWR_SYS_PWR_REG, { 0x3, 0x3, 0x3} }, - { EXYNOS3_TOP_BUS_COREBLK_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS3_TOP_RETENTION_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS3_TOP_PWR_COREBLK_SYS_PWR_REG, { 0x3, 0x3, 0x3} }, - { EXYNOS3_LOGIC_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_OSCCLK_GATE_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS3_LOGIC_RESET_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_OSCCLK_GATE_COREBLK_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS3_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_PAD_RETENTION_MAUDIO_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_PAD_RETENTION_GPIO_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_PAD_RETENTION_UART_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_PAD_RETENTION_MMC0_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_PAD_RETENTION_MMC1_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_PAD_RETENTION_MMC2_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_PAD_RETENTION_SPI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_PAD_RETENTION_EBIA_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_PAD_RETENTION_EBIB_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_PAD_RETENTION_JTAG_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_PAD_ISOLATION_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_PAD_ALV_SEL_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_XUSBXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_XXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_EXT_REGULATOR_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_EXT_REGULATOR_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_GPIO_MODE_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_GPIO_MODE_MAUDIO_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_TOP_ASB_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_TOP_ASB_ISOLATION_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_TOP_ASB_RESET_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_TOP_ASB_ISOLATION_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS3_CAM_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS3_MFC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS3_G3D_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS3_LCD0_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS3_ISP_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS3_MAUDIO_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS3_CMU_SYSCLK_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { PMU_TABLE_END,}, -}; - -static unsigned int const exynos3250_list_feed[] = { - EXYNOS3_ARM_CORE_OPTION(0), - EXYNOS3_ARM_CORE_OPTION(1), - EXYNOS3_ARM_CORE_OPTION(2), - EXYNOS3_ARM_CORE_OPTION(3), - EXYNOS3_ARM_COMMON_OPTION, - EXYNOS3_TOP_PWR_OPTION, - EXYNOS3_CORE_TOP_PWR_OPTION, - S5P_CAM_OPTION, - S5P_MFC_OPTION, - S5P_G3D_OPTION, - S5P_LCD0_OPTION, - S5P_ISP_OPTION, -}; - -static void exynos3250_powerdown_conf_extra(enum sys_powerdown mode) -{ - unsigned int i; - unsigned int tmp; - - /* Enable only SC_FEEDBACK */ - for (i = 0; i < ARRAY_SIZE(exynos3250_list_feed); i++) { - tmp = pmu_raw_readl(exynos3250_list_feed[i]); - tmp &= ~(EXYNOS3_OPTION_USE_SC_COUNTER); - tmp |= EXYNOS3_OPTION_USE_SC_FEEDBACK; - pmu_raw_writel(tmp, exynos3250_list_feed[i]); - } - - if (mode != SYS_SLEEP) - return; - - pmu_raw_writel(XUSBXTI_DURATION, EXYNOS3_XUSBXTI_DURATION); - pmu_raw_writel(XXTI_DURATION, EXYNOS3_XXTI_DURATION); - pmu_raw_writel(EXT_REGULATOR_DURATION, EXYNOS3_EXT_REGULATOR_DURATION); - pmu_raw_writel(EXT_REGULATOR_COREBLK_DURATION, - EXYNOS3_EXT_REGULATOR_COREBLK_DURATION); -} - -static void exynos3250_pmu_init(void) -{ - unsigned int value; - - /* - * To prevent from issuing new bus request form L2 memory system - * If core status is power down, should be set '1' to L2 power down - */ - value = pmu_raw_readl(EXYNOS3_ARM_COMMON_OPTION); - value |= EXYNOS3_OPTION_SKIP_DEACTIVATE_ACEACP_IN_PWDN; - pmu_raw_writel(value, EXYNOS3_ARM_COMMON_OPTION); - - /* Enable USE_STANDBY_WFI for all CORE */ - pmu_raw_writel(S5P_USE_STANDBY_WFI_ALL, S5P_CENTRAL_SEQ_OPTION); - - /* - * Set PSHOLD port for output high - */ - value = pmu_raw_readl(S5P_PS_HOLD_CONTROL); - value |= S5P_PS_HOLD_OUTPUT_HIGH; - pmu_raw_writel(value, S5P_PS_HOLD_CONTROL); - - /* - * Enable signal for PSHOLD port - */ - value = pmu_raw_readl(S5P_PS_HOLD_CONTROL); - value |= S5P_PS_HOLD_EN; - pmu_raw_writel(value, S5P_PS_HOLD_CONTROL); -} - -const struct exynos_pmu_data exynos3250_pmu_data = { - .pmu_config = exynos3250_pmu_config, - .pmu_init = exynos3250_pmu_init, - .powerdown_conf_extra = exynos3250_powerdown_conf_extra, -}; diff --git a/arch/arm/mach-exynos/exynos4-pmu.c b/arch/arm/mach-exynos/exynos4-pmu.c deleted file mode 100644 index 4b0a79e..0000000 --- a/arch/arm/mach-exynos/exynos4-pmu.c +++ /dev/null @@ -1,223 +0,0 @@ -/* - * Copyright (c) 2011-2015 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * EXYNOS4 - CPU PMU(Power Management Unit) support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/soc/samsung/exynos-regs-pmu.h> -#include <linux/soc/samsung/exynos-pmu.h> - -#include "exynos-pmu.h" - -static const struct exynos_pmu_conf exynos4210_pmu_config[] = { - /* { .offset = offset, .val = { AFTR, LPA, SLEEP } */ - { S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } }, - { S5P_DIS_IRQ_CORE0, { 0x0, 0x0, 0x0 } }, - { S5P_DIS_IRQ_CENTRAL0, { 0x0, 0x0, 0x0 } }, - { S5P_ARM_CORE1_LOWPWR, { 0x0, 0x0, 0x2 } }, - { S5P_DIS_IRQ_CORE1, { 0x0, 0x0, 0x0 } }, - { S5P_DIS_IRQ_CENTRAL1, { 0x0, 0x0, 0x0 } }, - { S5P_ARM_COMMON_LOWPWR, { 0x0, 0x0, 0x2 } }, - { S5P_L2_0_LOWPWR, { 0x2, 0x2, 0x3 } }, - { S5P_L2_1_LOWPWR, { 0x2, 0x2, 0x3 } }, - { S5P_CMU_ACLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_SCLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_RESET_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_APLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_MPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_VPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_EPLL_SYSCLK_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_RESET_GPSALIVE_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_CLKSTOP_CAM_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_CLKSTOP_TV_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_CLKSTOP_MFC_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_CLKSTOP_G3D_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_CLKSTOP_LCD0_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_CLKSTOP_LCD1_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_CLKSTOP_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_CLKSTOP_GPS_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_RESET_CAM_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_RESET_TV_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_RESET_MFC_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_RESET_G3D_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_RESET_LCD0_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_RESET_LCD1_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_RESET_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_RESET_GPS_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_TOP_BUS_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_TOP_RETENTION_LOWPWR, { 0x1, 0x0, 0x1 } }, - { S5P_TOP_PWR_LOWPWR, { 0x3, 0x0, 0x3 } }, - { S5P_LOGIC_RESET_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_ONENAND_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_MODIMIF_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_G2D_ACP_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_USBOTG_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_HSMMC_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_CSSYS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_SECSS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_PCIE_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_SATA_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_DRAM_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_PAD_RETENTION_GPIO_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_UART_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_MMCA_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_MMCB_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_EBIA_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_EBIB_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_ISOLATION_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_ALV_SEL_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_XUSBXTI_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_XXTI_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_EXT_REGULATOR_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_GPIO_MODE_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_GPIO_MODE_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CAM_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_TV_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_MFC_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_G3D_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_LCD0_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_LCD1_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_MAUDIO_LOWPWR, { 0x7, 0x7, 0x0 } }, - { S5P_GPS_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_GPS_ALIVE_LOWPWR, { 0x7, 0x0, 0x0 } }, - { PMU_TABLE_END,}, -}; - -static const struct exynos_pmu_conf exynos4x12_pmu_config[] = { - { S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } }, - { S5P_DIS_IRQ_CORE0, { 0x0, 0x0, 0x0 } }, - { S5P_DIS_IRQ_CENTRAL0, { 0x0, 0x0, 0x0 } }, - { S5P_ARM_CORE1_LOWPWR, { 0x0, 0x0, 0x2 } }, - { S5P_DIS_IRQ_CORE1, { 0x0, 0x0, 0x0 } }, - { S5P_DIS_IRQ_CENTRAL1, { 0x0, 0x0, 0x0 } }, - { S5P_ISP_ARM_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_DIS_IRQ_ISP_ARM_LOCAL_LOWPWR, { 0x0, 0x0, 0x0 } }, - { S5P_DIS_IRQ_ISP_ARM_CENTRAL_LOWPWR, { 0x0, 0x0, 0x0 } }, - { S5P_ARM_COMMON_LOWPWR, { 0x0, 0x0, 0x2 } }, - { S5P_L2_0_LOWPWR, { 0x0, 0x0, 0x3 } }, - /* XXX_OPTION register should be set other field */ - { S5P_ARM_L2_0_OPTION, { 0x10, 0x10, 0x0 } }, - { S5P_L2_1_LOWPWR, { 0x0, 0x0, 0x3 } }, - { S5P_ARM_L2_1_OPTION, { 0x10, 0x10, 0x0 } }, - { S5P_CMU_ACLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_SCLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_RESET_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_DRAM_FREQ_DOWN_LOWPWR, { 0x1, 0x1, 0x1 } }, - { S5P_DDRPHY_DLLOFF_LOWPWR, { 0x1, 0x1, 0x1 } }, - { S5P_LPDDR_PHY_DLL_LOCK_LOWPWR, { 0x1, 0x1, 0x1 } }, - { S5P_CMU_ACLKSTOP_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_SCLKSTOP_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_RESET_COREBLK_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_APLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_MPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_VPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_EPLL_SYSCLK_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_MPLLUSER_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_RESET_GPSALIVE_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_CLKSTOP_CAM_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_CLKSTOP_TV_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_CLKSTOP_MFC_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_CLKSTOP_G3D_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_CLKSTOP_LCD0_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_CLKSTOP_ISP_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_CLKSTOP_MAUDIO_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_CLKSTOP_GPS_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_RESET_CAM_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_RESET_TV_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_RESET_MFC_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_RESET_G3D_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_RESET_LCD0_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_RESET_ISP_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_RESET_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_CMU_RESET_GPS_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_TOP_BUS_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_TOP_RETENTION_LOWPWR, { 0x1, 0x0, 0x1 } }, - { S5P_TOP_PWR_LOWPWR, { 0x3, 0x0, 0x3 } }, - { S5P_TOP_BUS_COREBLK_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_TOP_RETENTION_COREBLK_LOWPWR, { 0x1, 0x0, 0x1 } }, - { S5P_TOP_PWR_COREBLK_LOWPWR, { 0x3, 0x0, 0x3 } }, - { S5P_LOGIC_RESET_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_OSCCLK_GATE_LOWPWR, { 0x1, 0x0, 0x1 } }, - { S5P_LOGIC_RESET_COREBLK_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_OSCCLK_GATE_COREBLK_LOWPWR, { 0x1, 0x0, 0x1 } }, - { S5P_ONENAND_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_ONENAND_MEM_OPTION, { 0x10, 0x10, 0x0 } }, - { S5P_HSI_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_HSI_MEM_OPTION, { 0x10, 0x10, 0x0 } }, - { S5P_G2D_ACP_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_G2D_ACP_MEM_OPTION, { 0x10, 0x10, 0x0 } }, - { S5P_USBOTG_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_USBOTG_MEM_OPTION, { 0x10, 0x10, 0x0 } }, - { S5P_HSMMC_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_HSMMC_MEM_OPTION, { 0x10, 0x10, 0x0 } }, - { S5P_CSSYS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_CSSYS_MEM_OPTION, { 0x10, 0x10, 0x0 } }, - { S5P_SECSS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_SECSS_MEM_OPTION, { 0x10, 0x10, 0x0 } }, - { S5P_ROTATOR_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, - { S5P_ROTATOR_MEM_OPTION, { 0x10, 0x10, 0x0 } }, - { S5P_PAD_RETENTION_DRAM_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_PAD_RETENTION_GPIO_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_UART_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_MMCA_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_MMCB_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_EBIA_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_EBIB_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_GPIO_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_ISOLATION_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_ISOLATION_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_PAD_RETENTION_ALV_SEL_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_XUSBXTI_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_XXTI_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_EXT_REGULATOR_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_GPIO_MODE_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_GPIO_MODE_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_GPIO_MODE_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, - { S5P_TOP_ASB_RESET_LOWPWR, { 0x1, 0x1, 0x1 } }, - { S5P_TOP_ASB_ISOLATION_LOWPWR, { 0x1, 0x0, 0x1 } }, - { S5P_CAM_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_TV_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_MFC_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_G3D_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_LCD0_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_ISP_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_MAUDIO_LOWPWR, { 0x7, 0x7, 0x0 } }, - { S5P_GPS_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_GPS_ALIVE_LOWPWR, { 0x7, 0x0, 0x0 } }, - { S5P_CMU_SYSCLK_ISP_LOWPWR, { 0x1, 0x0, 0x0 } }, - { S5P_CMU_SYSCLK_GPS_LOWPWR, { 0x1, 0x0, 0x0 } }, - { PMU_TABLE_END,}, -}; - -static const struct exynos_pmu_conf exynos4412_pmu_config[] = { - { S5P_ARM_CORE2_LOWPWR, { 0x0, 0x0, 0x2 } }, - { S5P_DIS_IRQ_CORE2, { 0x0, 0x0, 0x0 } }, - { S5P_DIS_IRQ_CENTRAL2, { 0x0, 0x0, 0x0 } }, - { S5P_ARM_CORE3_LOWPWR, { 0x0, 0x0, 0x2 } }, - { S5P_DIS_IRQ_CORE3, { 0x0, 0x0, 0x0 } }, - { S5P_DIS_IRQ_CENTRAL3, { 0x0, 0x0, 0x0 } }, - { PMU_TABLE_END,}, -}; - -const struct exynos_pmu_data exynos4210_pmu_data = { - .pmu_config = exynos4210_pmu_config, -}; - -const struct exynos_pmu_data exynos4212_pmu_data = { - .pmu_config = exynos4x12_pmu_config, -}; - -const struct exynos_pmu_data exynos4412_pmu_data = { - .pmu_config = exynos4x12_pmu_config, - .pmu_config_extra = exynos4412_pmu_config, -}; - diff --git a/arch/arm/mach-exynos/exynos5250-pmu.c b/arch/arm/mach-exynos/exynos5250-pmu.c deleted file mode 100644 index a6d4188..0000000 --- a/arch/arm/mach-exynos/exynos5250-pmu.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * Copyright (c) 2011-2015 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * EXYNOS5250 - CPU PMU (Power Management Unit) support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/soc/samsung/exynos-regs-pmu.h> -#include <linux/soc/samsung/exynos-pmu.h> - -#include "exynos-pmu.h" - -static const struct exynos_pmu_conf exynos5250_pmu_config[] = { - /* { .offset = offset, .val = { AFTR, LPA, SLEEP } */ - { EXYNOS5_ARM_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, - { EXYNOS5_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_ARM_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, - { EXYNOS5_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_FSYS_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_DIS_IRQ_FSYS_ARM_CENTRAL_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS5_ISP_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, - { EXYNOS5_ARM_L2_SYS_PWR_REG, { 0x3, 0x3, 0x3} }, - { EXYNOS5_ARM_L2_OPTION, { 0x10, 0x10, 0x0 } }, - { EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_CMU_ACLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_CMU_SCLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_CMU_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_DRAM_FREQ_DOWN_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS5_DDRPHY_DLLOFF_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS5_DDRPHY_DLLLOCK_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS5_APLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_MPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_VPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_EPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_BPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_MPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_BPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_TOP_BUS_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_TOP_RETENTION_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_TOP_PWR_SYS_PWR_REG, { 0x3, 0x0, 0x3} }, - { EXYNOS5_TOP_BUS_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_TOP_RETENTION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_TOP_PWR_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x3} }, - { EXYNOS5_LOGIC_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_OSCCLK_GATE_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_LOGIC_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_OSCCLK_GATE_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_USBOTG_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_G2D_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_USBDRD_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_SDMMC_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_CSSYS_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_SECSS_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_ROTATOR_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_INTRAM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_INTROM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_JPEG_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_JPEG_MEM_OPTION, { 0x10, 0x10, 0x0} }, - { EXYNOS5_HSI_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_MCUIOP_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_SATA_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_RETENTION_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_PAD_RETENTION_GPIO_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_RETENTION_UART_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_RETENTION_MMCA_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_RETENTION_MMCB_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_RETENTION_EBIA_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_RETENTION_EBIB_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_RETENTION_SPI_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_RETENTION_GPIO_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_ISOLATION_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_ISOLATION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_ALV_SEL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_XUSBXTI_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS5_XXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_EXT_REGULATOR_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_GPIO_MODE_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_GPIO_MODE_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_GPIO_MODE_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_TOP_ASB_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS5_TOP_ASB_ISOLATION_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_GSCL_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5_ISP_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5_MFC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5_G3D_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5_DISP1_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5_MAU_SYS_PWR_REG, { 0x7, 0x7, 0x0} }, - { EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_CLKSTOP_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_CLKSTOP_DISP1_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_CLKSTOP_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_SYSCLK_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_SYSCLK_DISP1_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_SYSCLK_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_RESET_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_RESET_DISP1_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_RESET_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { PMU_TABLE_END,}, -}; - -static unsigned int const exynos5_list_both_cnt_feed[] = { - EXYNOS5_ARM_CORE0_OPTION, - EXYNOS5_ARM_CORE1_OPTION, - EXYNOS5_ARM_COMMON_OPTION, - EXYNOS5_GSCL_OPTION, - EXYNOS5_ISP_OPTION, - EXYNOS5_MFC_OPTION, - EXYNOS5_G3D_OPTION, - EXYNOS5_DISP1_OPTION, - EXYNOS5_MAU_OPTION, - EXYNOS5_TOP_PWR_OPTION, - EXYNOS5_TOP_PWR_SYSMEM_OPTION, -}; - -static unsigned int const exynos5_list_disable_wfi_wfe[] = { - EXYNOS5_ARM_CORE1_OPTION, - EXYNOS5_FSYS_ARM_OPTION, - EXYNOS5_ISP_ARM_OPTION, -}; - -static void exynos5250_pmu_init(void) -{ - unsigned int value; - /* - * When SYS_WDTRESET is set, watchdog timer reset request - * is ignored by power management unit. - */ - value = pmu_raw_readl(EXYNOS5_AUTO_WDTRESET_DISABLE); - value &= ~EXYNOS5_SYS_WDTRESET; - pmu_raw_writel(value, EXYNOS5_AUTO_WDTRESET_DISABLE); - - value = pmu_raw_readl(EXYNOS5_MASK_WDTRESET_REQUEST); - value &= ~EXYNOS5_SYS_WDTRESET; - pmu_raw_writel(value, EXYNOS5_MASK_WDTRESET_REQUEST); -} - -static void exynos5_powerdown_conf(enum sys_powerdown mode) -{ - unsigned int i; - unsigned int tmp; - - /* - * Enable both SC_FEEDBACK and SC_COUNTER - */ - for (i = 0; i < ARRAY_SIZE(exynos5_list_both_cnt_feed); i++) { - tmp = pmu_raw_readl(exynos5_list_both_cnt_feed[i]); - tmp |= (EXYNOS5_USE_SC_FEEDBACK | - EXYNOS5_USE_SC_COUNTER); - pmu_raw_writel(tmp, exynos5_list_both_cnt_feed[i]); - } - - /* - * SKIP_DEACTIVATE_ACEACP_IN_PWDN_BITFIELD Enable - */ - tmp = pmu_raw_readl(EXYNOS5_ARM_COMMON_OPTION); - tmp |= EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN; - pmu_raw_writel(tmp, EXYNOS5_ARM_COMMON_OPTION); - - /* - * Disable WFI/WFE on XXX_OPTION - */ - for (i = 0; i < ARRAY_SIZE(exynos5_list_disable_wfi_wfe); i++) { - tmp = pmu_raw_readl(exynos5_list_disable_wfi_wfe[i]); - tmp &= ~(EXYNOS5_OPTION_USE_STANDBYWFE | - EXYNOS5_OPTION_USE_STANDBYWFI); - pmu_raw_writel(tmp, exynos5_list_disable_wfi_wfe[i]); - } -} - -const struct exynos_pmu_data exynos5250_pmu_data = { - .pmu_config = exynos5250_pmu_config, - .pmu_init = exynos5250_pmu_init, - .powerdown_conf = exynos5_powerdown_conf, -}; - diff --git a/arch/arm/mach-exynos/exynos5420-pmu.c b/arch/arm/mach-exynos/exynos5420-pmu.c deleted file mode 100644 index 5810afe..0000000 --- a/arch/arm/mach-exynos/exynos5420-pmu.c +++ /dev/null @@ -1,280 +0,0 @@ -/* - * Copyright (c) 2011-2015 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * EXYNOS5420 - CPU PMU (Power Management Unit) support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/pm.h> -#include <linux/soc/samsung/exynos-regs-pmu.h> -#include <linux/soc/samsung/exynos-pmu.h> - -#include <asm/cputype.h> - -#include "exynos-pmu.h" - -static struct exynos_pmu_conf exynos5420_pmu_config[] = { - /* { .offset = offset, .val = { AFTR, LPA, SLEEP } */ - { EXYNOS5_ARM_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_ARM_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_ARM_CORE2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_DIS_IRQ_ARM_CORE2_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_DIS_IRQ_ARM_CORE2_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_ARM_CORE3_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_DIS_IRQ_ARM_CORE3_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_DIS_IRQ_ARM_CORE3_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_KFC_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_DIS_IRQ_KFC_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_DIS_IRQ_KFC_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_KFC_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_DIS_IRQ_KFC_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_DIS_IRQ_KFC_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_KFC_CORE2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_DIS_IRQ_KFC_CORE2_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_DIS_IRQ_KFC_CORE2_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_KFC_CORE3_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_DIS_IRQ_KFC_CORE3_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_DIS_IRQ_KFC_CORE3_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_ISP_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_KFC_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_ARM_L2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_KFC_L2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_CMU_ACLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CMU_SCLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_CMU_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_DRAM_FREQ_DOWN_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_DDRPHY_DLLOFF_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS5_DDRPHY_DLLLOCK_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_APLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_MPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_VPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_EPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_BPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_CPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_DPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_IPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_KPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_MPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_BPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_RPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_SPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_TOP_BUS_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_TOP_RETENTION_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, - { EXYNOS5_TOP_PWR_SYS_PWR_REG, { 0x3, 0x3, 0x0} }, - { EXYNOS5_TOP_BUS_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_TOP_RETENTION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_TOP_PWR_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, - { EXYNOS5_LOGIC_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_OSCCLK_GATE_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, - { EXYNOS5_LOGIC_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_OSCCLK_GATE_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_INTRAM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x3} }, - { EXYNOS5420_INTROM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x3} }, - { EXYNOS5_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_RETENTION_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5420_PAD_RETENTION_JTAG_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5420_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_PAD_RETENTION_UART_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_PAD_RETENTION_MMC0_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_PAD_RETENTION_MMC1_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_PAD_RETENTION_MMC2_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_PAD_RETENTION_HSI_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_PAD_RETENTION_EBIA_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_PAD_RETENTION_EBIB_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_PAD_RETENTION_SPI_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5420_PAD_RETENTION_DRAM_COREBLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_ISOLATION_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_PAD_ISOLATION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_PAD_ALV_SEL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_XUSBXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_XXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_EXT_REGULATOR_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_GPIO_MODE_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_GPIO_MODE_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_GPIO_MODE_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_TOP_ASB_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, - { EXYNOS5_TOP_ASB_ISOLATION_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, - { EXYNOS5_GSCL_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5_ISP_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5_MFC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5_G3D_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5420_DISP1_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5420_MAU_SYS_PWR_REG, { 0x7, 0x7, 0x0} }, - { EXYNOS5420_G2D_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5420_MSC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5420_FSYS_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5420_FSYS2_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5420_PSGEN_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5420_PERIC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5420_WCORE_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, - { EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_CMU_CLKSTOP_MFC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_CLKSTOP_DISP1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_CLKSTOP_MAU_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_CLKSTOP_G2D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_CLKSTOP_MSC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_CLKSTOP_FSYS_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_CLKSTOP_PSGEN_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_CLKSTOP_PERIC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_CLKSTOP_WCORE_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_CMU_SYSCLK_MFC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_SYSCLK_DISP1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_SYSCLK_MAU_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_SYSCLK_G2D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_SYSCLK_MSC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_SYSCLK_FSYS_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_SYSCLK_FSYS2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_SYSCLK_PSGEN_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_SYSCLK_PERIC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_SYSCLK_WCORE_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_RESET_FSYS2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_RESET_PSGEN_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_RESET_PERIC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_RESET_WCORE_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_CMU_RESET_MFC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_RESET_DISP1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_RESET_MAU_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_RESET_G2D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_RESET_MSC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { EXYNOS5420_CMU_RESET_FSYS_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, - { PMU_TABLE_END,}, -}; - -static unsigned int const exynos5420_list_disable_pmu_reg[] = { - EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG, - EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG, - EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG, - EXYNOS5420_CMU_CLKSTOP_DISP1_SYS_PWR_REG, - EXYNOS5420_CMU_CLKSTOP_MAU_SYS_PWR_REG, - EXYNOS5420_CMU_CLKSTOP_G2D_SYS_PWR_REG, - EXYNOS5420_CMU_CLKSTOP_MSC_SYS_PWR_REG, - EXYNOS5420_CMU_CLKSTOP_FSYS_SYS_PWR_REG, - EXYNOS5420_CMU_CLKSTOP_PSGEN_SYS_PWR_REG, - EXYNOS5420_CMU_CLKSTOP_PERIC_SYS_PWR_REG, - EXYNOS5420_CMU_CLKSTOP_WCORE_SYS_PWR_REG, - EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG, - EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG, - EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG, - EXYNOS5420_CMU_SYSCLK_DISP1_SYS_PWR_REG, - EXYNOS5420_CMU_SYSCLK_MAU_SYS_PWR_REG, - EXYNOS5420_CMU_SYSCLK_G2D_SYS_PWR_REG, - EXYNOS5420_CMU_SYSCLK_MSC_SYS_PWR_REG, - EXYNOS5420_CMU_SYSCLK_FSYS_SYS_PWR_REG, - EXYNOS5420_CMU_SYSCLK_FSYS2_SYS_PWR_REG, - EXYNOS5420_CMU_SYSCLK_PSGEN_SYS_PWR_REG, - EXYNOS5420_CMU_SYSCLK_PERIC_SYS_PWR_REG, - EXYNOS5420_CMU_SYSCLK_WCORE_SYS_PWR_REG, - EXYNOS5420_CMU_RESET_FSYS2_SYS_PWR_REG, - EXYNOS5420_CMU_RESET_PSGEN_SYS_PWR_REG, - EXYNOS5420_CMU_RESET_PERIC_SYS_PWR_REG, - EXYNOS5420_CMU_RESET_WCORE_SYS_PWR_REG, - EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG, - EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG, - EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG, - EXYNOS5420_CMU_RESET_DISP1_SYS_PWR_REG, - EXYNOS5420_CMU_RESET_MAU_SYS_PWR_REG, - EXYNOS5420_CMU_RESET_G2D_SYS_PWR_REG, - EXYNOS5420_CMU_RESET_MSC_SYS_PWR_REG, - EXYNOS5420_CMU_RESET_FSYS_SYS_PWR_REG, -}; - -void exynos5420_powerdown_conf(enum sys_powerdown mode) -{ - u32 this_cluster; - - this_cluster = MPIDR_AFFINITY_LEVEL(read_cpuid_mpidr(), 1); - - /* - * set the cluster id to IROM register to ensure that we wake - * up with the current cluster. - */ - pmu_raw_writel(this_cluster, EXYNOS_IROM_DATA2); -} - -static void exynos5420_pmu_init(void) -{ - unsigned int value; - int i; - - /* - * Set the CMU_RESET, CMU_SYSCLK and CMU_CLKSTOP registers - * for local power blocks to Low initially as per Table 8-4: - * "System-Level Power-Down Configuration Registers". - */ - for (i = 0; i < ARRAY_SIZE(exynos5420_list_disable_pmu_reg); i++) - pmu_raw_writel(0, exynos5420_list_disable_pmu_reg[i]); - - /* Enable USE_STANDBY_WFI for all CORE */ - pmu_raw_writel(EXYNOS5420_USE_STANDBY_WFI_ALL, S5P_CENTRAL_SEQ_OPTION); - - value = pmu_raw_readl(EXYNOS_L2_OPTION(0)); - value &= ~EXYNOS5_USE_RETENTION; - pmu_raw_writel(value, EXYNOS_L2_OPTION(0)); - - value = pmu_raw_readl(EXYNOS_L2_OPTION(1)); - value &= ~EXYNOS5_USE_RETENTION; - pmu_raw_writel(value, EXYNOS_L2_OPTION(1)); - - /* - * If L2_COMMON is turned off, clocks related to ATB async - * bridge are gated. Thus, when ISP power is gated, LPI - * may get stuck. - */ - value = pmu_raw_readl(EXYNOS5420_LPI_MASK); - value |= EXYNOS5420_ATB_ISP_ARM; - pmu_raw_writel(value, EXYNOS5420_LPI_MASK); - - value = pmu_raw_readl(EXYNOS5420_LPI_MASK1); - value |= EXYNOS5420_ATB_KFC; - pmu_raw_writel(value, EXYNOS5420_LPI_MASK1); - - /* Prevent issue of new bus request from L2 memory */ - value = pmu_raw_readl(EXYNOS5420_ARM_COMMON_OPTION); - value |= EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN; - pmu_raw_writel(value, EXYNOS5420_ARM_COMMON_OPTION); - - value = pmu_raw_readl(EXYNOS5420_KFC_COMMON_OPTION); - value |= EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN; - pmu_raw_writel(value, EXYNOS5420_KFC_COMMON_OPTION); - - /* This setting is to reduce suspend/resume time */ - pmu_raw_writel(DUR_WAIT_RESET, EXYNOS5420_LOGIC_RESET_DURATION3); - - /* Serialized CPU wakeup of Eagle */ - pmu_raw_writel(SPREAD_ENABLE, EXYNOS5420_ARM_INTR_SPREAD_ENABLE); - - pmu_raw_writel(SPREAD_USE_STANDWFI, - EXYNOS5420_ARM_INTR_SPREAD_USE_STANDBYWFI); - - pmu_raw_writel(0x1, EXYNOS5420_UP_SCHEDULER); - - pr_info("EXYNOS5420 PMU initialized\n"); -} - -const struct exynos_pmu_data exynos5420_pmu_data = { - .pmu_config = exynos5420_pmu_config, - .pmu_init = exynos5420_pmu_init, - .powerdown_conf = exynos5420_powerdown_conf, -}; diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c deleted file mode 100644 index f300ac9..0000000 --- a/arch/arm/mach-exynos/pmu.c +++ /dev/null @@ -1,183 +0,0 @@ -/* - * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * EXYNOS - CPU PMU(Power Management Unit) support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/notifier.h> -#include <linux/reboot.h> - -#include <linux/soc/samsung/exynos-regs-pmu.h> -#include <linux/soc/samsung/exynos-pmu.h> - -#include "exynos-pmu.h" - -struct exynos_pmu_context { - struct device *dev; - const struct exynos_pmu_data *pmu_data; -}; - -void __iomem *pmu_base_addr; -static struct exynos_pmu_context *pmu_context; - -void pmu_raw_writel(u32 val, u32 offset) -{ - writel_relaxed(val, pmu_base_addr + offset); -} - -u32 pmu_raw_readl(u32 offset) -{ - return readl_relaxed(pmu_base_addr + offset); -} - -void exynos_sys_powerdown_conf(enum sys_powerdown mode) -{ - unsigned int i; - const struct exynos_pmu_data *pmu_data; - - if(!pmu_context) - return; - - pmu_data = pmu_context->pmu_data; - - if (pmu_data->powerdown_conf) - pmu_data->powerdown_conf(mode); - - if (pmu_data->pmu_config) { - for (i = 0; (pmu_data->pmu_config[i].offset != PMU_TABLE_END); i++) - pmu_raw_writel(pmu_data->pmu_config[i].val[mode], - pmu_data->pmu_config[i].offset); - } - - if (pmu_data->powerdown_conf_extra) - pmu_data->powerdown_conf_extra(mode); - - if (pmu_data->pmu_config_extra) { - for (i = 0; pmu_data->pmu_config_extra[i].offset != PMU_TABLE_END; i++) - pmu_raw_writel(pmu_data->pmu_config_extra[i].val[mode], - pmu_data->pmu_config_extra[i].offset); - } -} - -static void exynos_power_off(void) -{ - unsigned int tmp; - - pr_info("Power down.\n"); - tmp = pmu_raw_readl(EXYNOS_PS_HOLD_CONTROL); - tmp ^= (1 << 8); - pmu_raw_writel(tmp, EXYNOS_PS_HOLD_CONTROL); - - /* Wait a little so we don't give a false warning below */ - mdelay(100); - - pr_err("Power down failed, please power off system manually.\n"); - while (1) - ; -} - -static int pmu_restart_notify(struct notifier_block *this, - unsigned long code, void *unused) -{ - pmu_raw_writel(0x1, EXYNOS_SWRESET); - - return NOTIFY_DONE; -} - -/* - * PMU platform driver and devicetree bindings. - */ -static const struct of_device_id exynos_pmu_of_device_ids[] = { - { - .compatible = "samsung,exynos3250-pmu", - .data = &exynos3250_pmu_data, - }, { - .compatible = "samsung,exynos4210-pmu", - .data = &exynos4210_pmu_data, - }, { - .compatible = "samsung,exynos4212-pmu", - .data = &exynos4212_pmu_data, - }, { - .compatible = "samsung,exynos4412-pmu", - .data = &exynos4412_pmu_data, - }, { - .compatible = "samsung,exynos5250-pmu", - .data = &exynos5250_pmu_data, - }, { - .compatible = "samsung,exynos5420-pmu", - .data = &exynos5420_pmu_data, - }, - { /*sentinel*/ }, -}; - -/* - * Exynos PMU restart notifier, handles restart functionality - */ -static struct notifier_block pmu_restart_handler = { - .notifier_call = pmu_restart_notify, - .priority = 128, -}; - -static int exynos_pmu_probe(struct platform_device *pdev) -{ - const struct of_device_id *match; - struct device *dev = &pdev->dev; - struct resource *res; - int ret; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - pmu_base_addr = devm_ioremap_resource(dev, res); - if (IS_ERR(pmu_base_addr)) - return PTR_ERR(pmu_base_addr); - - pmu_context = devm_kzalloc(&pdev->dev, - sizeof(struct exynos_pmu_context), - GFP_KERNEL); - if (!pmu_context) { - dev_err(dev, "Cannot allocate memory.\n"); - return -ENOMEM; - } - pmu_context->dev = dev; - - match = of_match_node(exynos_pmu_of_device_ids, dev->of_node); - - pmu_context->pmu_data = match->data; - - if (pmu_context->pmu_data->pmu_init) - pmu_context->pmu_data->pmu_init(); - - platform_set_drvdata(pdev, pmu_context); - - ret = register_restart_handler(&pmu_restart_handler); - if (ret) - dev_warn(dev, "can't register restart handler err=%d\n", ret); - - pm_power_off = exynos_power_off; - - dev_dbg(dev, "Exynos PMU Driver probe done\n"); - return 0; -} - -static struct platform_driver exynos_pmu_driver = { - .driver = { - .name = "exynos-pmu", - .of_match_table = exynos_pmu_of_device_ids, - }, - .probe = exynos_pmu_probe, -}; - -static int __init exynos_pmu_init(void) -{ - return platform_driver_register(&exynos_pmu_driver); - -} -postcore_initcall(exynos_pmu_init); diff --git a/drivers/soc/samsung/Kconfig b/drivers/soc/samsung/Kconfig index 2833b5b..f545d6c 100644 --- a/drivers/soc/samsung/Kconfig +++ b/drivers/soc/samsung/Kconfig @@ -10,4 +10,8 @@ config EXYNOS_SROM bool depends on ARM && ARCH_EXYNOS && PM +config EXYNOS_PMU + bool + depends on ARCH_EXYNOS + endmenu diff --git a/drivers/soc/samsung/Makefile b/drivers/soc/samsung/Makefile index 9c554d5..26fb489 100644 --- a/drivers/soc/samsung/Makefile +++ b/drivers/soc/samsung/Makefile @@ -1 +1,5 @@ obj-$(CONFIG_EXYNOS_SROM) += exynos-srom.o +ifdef CONFIG_ARM +obj-$(CONFIG_EXYNOS_PMU) += exynos-pmu.o exynos3250-pmu.o exynos4-pmu.o \ + exynos5250-pmu.o exynos5420-pmu.o +endif diff --git a/drivers/soc/samsung/exynos-pmu.c b/drivers/soc/samsung/exynos-pmu.c new file mode 100644 index 0000000..f300ac9 --- /dev/null +++ b/drivers/soc/samsung/exynos-pmu.c @@ -0,0 +1,183 @@ +/* + * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * EXYNOS - CPU PMU(Power Management Unit) support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/notifier.h> +#include <linux/reboot.h> + +#include <linux/soc/samsung/exynos-regs-pmu.h> +#include <linux/soc/samsung/exynos-pmu.h> + +#include "exynos-pmu.h" + +struct exynos_pmu_context { + struct device *dev; + const struct exynos_pmu_data *pmu_data; +}; + +void __iomem *pmu_base_addr; +static struct exynos_pmu_context *pmu_context; + +void pmu_raw_writel(u32 val, u32 offset) +{ + writel_relaxed(val, pmu_base_addr + offset); +} + +u32 pmu_raw_readl(u32 offset) +{ + return readl_relaxed(pmu_base_addr + offset); +} + +void exynos_sys_powerdown_conf(enum sys_powerdown mode) +{ + unsigned int i; + const struct exynos_pmu_data *pmu_data; + + if(!pmu_context) + return; + + pmu_data = pmu_context->pmu_data; + + if (pmu_data->powerdown_conf) + pmu_data->powerdown_conf(mode); + + if (pmu_data->pmu_config) { + for (i = 0; (pmu_data->pmu_config[i].offset != PMU_TABLE_END); i++) + pmu_raw_writel(pmu_data->pmu_config[i].val[mode], + pmu_data->pmu_config[i].offset); + } + + if (pmu_data->powerdown_conf_extra) + pmu_data->powerdown_conf_extra(mode); + + if (pmu_data->pmu_config_extra) { + for (i = 0; pmu_data->pmu_config_extra[i].offset != PMU_TABLE_END; i++) + pmu_raw_writel(pmu_data->pmu_config_extra[i].val[mode], + pmu_data->pmu_config_extra[i].offset); + } +} + +static void exynos_power_off(void) +{ + unsigned int tmp; + + pr_info("Power down.\n"); + tmp = pmu_raw_readl(EXYNOS_PS_HOLD_CONTROL); + tmp ^= (1 << 8); + pmu_raw_writel(tmp, EXYNOS_PS_HOLD_CONTROL); + + /* Wait a little so we don't give a false warning below */ + mdelay(100); + + pr_err("Power down failed, please power off system manually.\n"); + while (1) + ; +} + +static int pmu_restart_notify(struct notifier_block *this, + unsigned long code, void *unused) +{ + pmu_raw_writel(0x1, EXYNOS_SWRESET); + + return NOTIFY_DONE; +} + +/* + * PMU platform driver and devicetree bindings. + */ +static const struct of_device_id exynos_pmu_of_device_ids[] = { + { + .compatible = "samsung,exynos3250-pmu", + .data = &exynos3250_pmu_data, + }, { + .compatible = "samsung,exynos4210-pmu", + .data = &exynos4210_pmu_data, + }, { + .compatible = "samsung,exynos4212-pmu", + .data = &exynos4212_pmu_data, + }, { + .compatible = "samsung,exynos4412-pmu", + .data = &exynos4412_pmu_data, + }, { + .compatible = "samsung,exynos5250-pmu", + .data = &exynos5250_pmu_data, + }, { + .compatible = "samsung,exynos5420-pmu", + .data = &exynos5420_pmu_data, + }, + { /*sentinel*/ }, +}; + +/* + * Exynos PMU restart notifier, handles restart functionality + */ +static struct notifier_block pmu_restart_handler = { + .notifier_call = pmu_restart_notify, + .priority = 128, +}; + +static int exynos_pmu_probe(struct platform_device *pdev) +{ + const struct of_device_id *match; + struct device *dev = &pdev->dev; + struct resource *res; + int ret; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + pmu_base_addr = devm_ioremap_resource(dev, res); + if (IS_ERR(pmu_base_addr)) + return PTR_ERR(pmu_base_addr); + + pmu_context = devm_kzalloc(&pdev->dev, + sizeof(struct exynos_pmu_context), + GFP_KERNEL); + if (!pmu_context) { + dev_err(dev, "Cannot allocate memory.\n"); + return -ENOMEM; + } + pmu_context->dev = dev; + + match = of_match_node(exynos_pmu_of_device_ids, dev->of_node); + + pmu_context->pmu_data = match->data; + + if (pmu_context->pmu_data->pmu_init) + pmu_context->pmu_data->pmu_init(); + + platform_set_drvdata(pdev, pmu_context); + + ret = register_restart_handler(&pmu_restart_handler); + if (ret) + dev_warn(dev, "can't register restart handler err=%d\n", ret); + + pm_power_off = exynos_power_off; + + dev_dbg(dev, "Exynos PMU Driver probe done\n"); + return 0; +} + +static struct platform_driver exynos_pmu_driver = { + .driver = { + .name = "exynos-pmu", + .of_match_table = exynos_pmu_of_device_ids, + }, + .probe = exynos_pmu_probe, +}; + +static int __init exynos_pmu_init(void) +{ + return platform_driver_register(&exynos_pmu_driver); + +} +postcore_initcall(exynos_pmu_init); diff --git a/drivers/soc/samsung/exynos-pmu.h b/drivers/soc/samsung/exynos-pmu.h new file mode 100644 index 0000000..306f5c7 --- /dev/null +++ b/drivers/soc/samsung/exynos-pmu.h @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2015 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Header for EXYNOS PMU Driver support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __EXYNOS_PMU_H +#define __EXYNOS_PMU_H + +#include <linux/io.h> + +#define PMU_TABLE_END (-1U) + + +struct exynos_pmu_conf { + unsigned int offset; + u8 val[NUM_SYS_POWERDOWN]; +}; + +struct exynos_pmu_data { + const struct exynos_pmu_conf *pmu_config; + const struct exynos_pmu_conf *pmu_config_extra; + + void (*pmu_init)(void); + void (*powerdown_conf)(enum sys_powerdown); + void (*powerdown_conf_extra)(enum sys_powerdown); +}; + +extern void __iomem *pmu_base_addr; +/* list of all exported SoC specific data */ +extern const struct exynos_pmu_data exynos3250_pmu_data; +extern const struct exynos_pmu_data exynos4210_pmu_data; +extern const struct exynos_pmu_data exynos4212_pmu_data; +extern const struct exynos_pmu_data exynos4412_pmu_data; +extern const struct exynos_pmu_data exynos5250_pmu_data; +extern const struct exynos_pmu_data exynos5420_pmu_data; + +extern void pmu_raw_writel(u32 val, u32 offset); +extern u32 pmu_raw_readl(u32 offset); +#endif /* __EXYNOS_PMU_H */ diff --git a/drivers/soc/samsung/exynos3250-pmu.c b/drivers/soc/samsung/exynos3250-pmu.c new file mode 100644 index 0000000..20b3ab8 --- /dev/null +++ b/drivers/soc/samsung/exynos3250-pmu.c @@ -0,0 +1,175 @@ +/* + * Copyright (c) 2011-2015 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * EXYNOS3250 - CPU PMU (Power Management Unit) support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/soc/samsung/exynos-regs-pmu.h> +#include <linux/soc/samsung/exynos-pmu.h> + +#include "exynos-pmu.h" + +static struct exynos_pmu_conf exynos3250_pmu_config[] = { + /* { .offset = offset, .val = { AFTR, W-AFTR, SLEEP } */ + { EXYNOS3_ARM_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS3_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS3_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS3_ARM_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS3_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS3_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS3_ISP_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS3_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS3_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS3_ARM_L2_SYS_PWR_REG, { 0x0, 0x0, 0x3} }, + { EXYNOS3_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_DRAM_FREQ_DOWN_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_DDRPHY_DLLOFF_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_LPDDR_PHY_DLL_LOCK_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_CMU_ACLKSTOP_COREBLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_SCLKSTOP_COREBLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_APLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_MPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_BPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_VPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_EPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_UPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_EPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_MPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_BPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_CLKSTOP_CAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_CLKSTOP_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_CLKSTOP_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_CLKSTOP_LCD0_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_CLKSTOP_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_CLKSTOP_MAUDIO_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_CAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_LCD0_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_MAUDIO_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_TOP_BUS_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS3_TOP_RETENTION_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_TOP_PWR_SYS_PWR_REG, { 0x3, 0x3, 0x3} }, + { EXYNOS3_TOP_BUS_COREBLK_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS3_TOP_RETENTION_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_TOP_PWR_COREBLK_SYS_PWR_REG, { 0x3, 0x3, 0x3} }, + { EXYNOS3_LOGIC_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_OSCCLK_GATE_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_LOGIC_RESET_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_OSCCLK_GATE_COREBLK_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS3_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_MAUDIO_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_GPIO_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_UART_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_MMC0_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_MMC1_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_MMC2_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_SPI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_EBIA_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_EBIB_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_JTAG_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_ISOLATION_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_ALV_SEL_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_XUSBXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_XXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_EXT_REGULATOR_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_EXT_REGULATOR_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_GPIO_MODE_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_GPIO_MODE_MAUDIO_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_TOP_ASB_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_TOP_ASB_ISOLATION_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_TOP_ASB_RESET_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_TOP_ASB_ISOLATION_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_CAM_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS3_MFC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS3_G3D_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS3_LCD0_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS3_ISP_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS3_MAUDIO_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS3_CMU_SYSCLK_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { PMU_TABLE_END,}, +}; + +static unsigned int const exynos3250_list_feed[] = { + EXYNOS3_ARM_CORE_OPTION(0), + EXYNOS3_ARM_CORE_OPTION(1), + EXYNOS3_ARM_CORE_OPTION(2), + EXYNOS3_ARM_CORE_OPTION(3), + EXYNOS3_ARM_COMMON_OPTION, + EXYNOS3_TOP_PWR_OPTION, + EXYNOS3_CORE_TOP_PWR_OPTION, + S5P_CAM_OPTION, + S5P_MFC_OPTION, + S5P_G3D_OPTION, + S5P_LCD0_OPTION, + S5P_ISP_OPTION, +}; + +static void exynos3250_powerdown_conf_extra(enum sys_powerdown mode) +{ + unsigned int i; + unsigned int tmp; + + /* Enable only SC_FEEDBACK */ + for (i = 0; i < ARRAY_SIZE(exynos3250_list_feed); i++) { + tmp = pmu_raw_readl(exynos3250_list_feed[i]); + tmp &= ~(EXYNOS3_OPTION_USE_SC_COUNTER); + tmp |= EXYNOS3_OPTION_USE_SC_FEEDBACK; + pmu_raw_writel(tmp, exynos3250_list_feed[i]); + } + + if (mode != SYS_SLEEP) + return; + + pmu_raw_writel(XUSBXTI_DURATION, EXYNOS3_XUSBXTI_DURATION); + pmu_raw_writel(XXTI_DURATION, EXYNOS3_XXTI_DURATION); + pmu_raw_writel(EXT_REGULATOR_DURATION, EXYNOS3_EXT_REGULATOR_DURATION); + pmu_raw_writel(EXT_REGULATOR_COREBLK_DURATION, + EXYNOS3_EXT_REGULATOR_COREBLK_DURATION); +} + +static void exynos3250_pmu_init(void) +{ + unsigned int value; + + /* + * To prevent from issuing new bus request form L2 memory system + * If core status is power down, should be set '1' to L2 power down + */ + value = pmu_raw_readl(EXYNOS3_ARM_COMMON_OPTION); + value |= EXYNOS3_OPTION_SKIP_DEACTIVATE_ACEACP_IN_PWDN; + pmu_raw_writel(value, EXYNOS3_ARM_COMMON_OPTION); + + /* Enable USE_STANDBY_WFI for all CORE */ + pmu_raw_writel(S5P_USE_STANDBY_WFI_ALL, S5P_CENTRAL_SEQ_OPTION); + + /* + * Set PSHOLD port for output high + */ + value = pmu_raw_readl(S5P_PS_HOLD_CONTROL); + value |= S5P_PS_HOLD_OUTPUT_HIGH; + pmu_raw_writel(value, S5P_PS_HOLD_CONTROL); + + /* + * Enable signal for PSHOLD port + */ + value = pmu_raw_readl(S5P_PS_HOLD_CONTROL); + value |= S5P_PS_HOLD_EN; + pmu_raw_writel(value, S5P_PS_HOLD_CONTROL); +} + +const struct exynos_pmu_data exynos3250_pmu_data = { + .pmu_config = exynos3250_pmu_config, + .pmu_init = exynos3250_pmu_init, + .powerdown_conf_extra = exynos3250_powerdown_conf_extra, +}; diff --git a/drivers/soc/samsung/exynos4-pmu.c b/drivers/soc/samsung/exynos4-pmu.c new file mode 100644 index 0000000..4b0a79e --- /dev/null +++ b/drivers/soc/samsung/exynos4-pmu.c @@ -0,0 +1,223 @@ +/* + * Copyright (c) 2011-2015 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * EXYNOS4 - CPU PMU(Power Management Unit) support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/soc/samsung/exynos-regs-pmu.h> +#include <linux/soc/samsung/exynos-pmu.h> + +#include "exynos-pmu.h" + +static const struct exynos_pmu_conf exynos4210_pmu_config[] = { + /* { .offset = offset, .val = { AFTR, LPA, SLEEP } */ + { S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_DIS_IRQ_CORE0, { 0x0, 0x0, 0x0 } }, + { S5P_DIS_IRQ_CENTRAL0, { 0x0, 0x0, 0x0 } }, + { S5P_ARM_CORE1_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_DIS_IRQ_CORE1, { 0x0, 0x0, 0x0 } }, + { S5P_DIS_IRQ_CENTRAL1, { 0x0, 0x0, 0x0 } }, + { S5P_ARM_COMMON_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_L2_0_LOWPWR, { 0x2, 0x2, 0x3 } }, + { S5P_L2_1_LOWPWR, { 0x2, 0x2, 0x3 } }, + { S5P_CMU_ACLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_SCLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_APLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_MPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_VPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_EPLL_SYSCLK_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_GPSALIVE_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_CAM_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_TV_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_MFC_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_G3D_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_LCD0_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_LCD1_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_GPS_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_CAM_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_TV_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_MFC_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_G3D_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_LCD0_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_LCD1_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_GPS_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_TOP_BUS_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_TOP_RETENTION_LOWPWR, { 0x1, 0x0, 0x1 } }, + { S5P_TOP_PWR_LOWPWR, { 0x3, 0x0, 0x3 } }, + { S5P_LOGIC_RESET_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_ONENAND_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_MODIMIF_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_G2D_ACP_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_USBOTG_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_HSMMC_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_CSSYS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_SECSS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_PCIE_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_SATA_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_DRAM_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_PAD_RETENTION_GPIO_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_UART_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_MMCA_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_MMCB_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_EBIA_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_EBIB_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_ISOLATION_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_ALV_SEL_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_XUSBXTI_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_XXTI_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_EXT_REGULATOR_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_GPIO_MODE_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_GPIO_MODE_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CAM_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_TV_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_MFC_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_G3D_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_LCD0_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_LCD1_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_MAUDIO_LOWPWR, { 0x7, 0x7, 0x0 } }, + { S5P_GPS_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_GPS_ALIVE_LOWPWR, { 0x7, 0x0, 0x0 } }, + { PMU_TABLE_END,}, +}; + +static const struct exynos_pmu_conf exynos4x12_pmu_config[] = { + { S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_DIS_IRQ_CORE0, { 0x0, 0x0, 0x0 } }, + { S5P_DIS_IRQ_CENTRAL0, { 0x0, 0x0, 0x0 } }, + { S5P_ARM_CORE1_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_DIS_IRQ_CORE1, { 0x0, 0x0, 0x0 } }, + { S5P_DIS_IRQ_CENTRAL1, { 0x0, 0x0, 0x0 } }, + { S5P_ISP_ARM_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_DIS_IRQ_ISP_ARM_LOCAL_LOWPWR, { 0x0, 0x0, 0x0 } }, + { S5P_DIS_IRQ_ISP_ARM_CENTRAL_LOWPWR, { 0x0, 0x0, 0x0 } }, + { S5P_ARM_COMMON_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_L2_0_LOWPWR, { 0x0, 0x0, 0x3 } }, + /* XXX_OPTION register should be set other field */ + { S5P_ARM_L2_0_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_L2_1_LOWPWR, { 0x0, 0x0, 0x3 } }, + { S5P_ARM_L2_1_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_CMU_ACLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_SCLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_DRAM_FREQ_DOWN_LOWPWR, { 0x1, 0x1, 0x1 } }, + { S5P_DDRPHY_DLLOFF_LOWPWR, { 0x1, 0x1, 0x1 } }, + { S5P_LPDDR_PHY_DLL_LOCK_LOWPWR, { 0x1, 0x1, 0x1 } }, + { S5P_CMU_ACLKSTOP_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_SCLKSTOP_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_COREBLK_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_APLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_MPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_VPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_EPLL_SYSCLK_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_MPLLUSER_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_GPSALIVE_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_CAM_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_TV_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_MFC_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_G3D_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_LCD0_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_ISP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_MAUDIO_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_GPS_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_CAM_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_TV_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_MFC_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_G3D_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_LCD0_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_ISP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_GPS_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_TOP_BUS_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_TOP_RETENTION_LOWPWR, { 0x1, 0x0, 0x1 } }, + { S5P_TOP_PWR_LOWPWR, { 0x3, 0x0, 0x3 } }, + { S5P_TOP_BUS_COREBLK_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_TOP_RETENTION_COREBLK_LOWPWR, { 0x1, 0x0, 0x1 } }, + { S5P_TOP_PWR_COREBLK_LOWPWR, { 0x3, 0x0, 0x3 } }, + { S5P_LOGIC_RESET_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_OSCCLK_GATE_LOWPWR, { 0x1, 0x0, 0x1 } }, + { S5P_LOGIC_RESET_COREBLK_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_OSCCLK_GATE_COREBLK_LOWPWR, { 0x1, 0x0, 0x1 } }, + { S5P_ONENAND_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_ONENAND_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_HSI_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_HSI_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_G2D_ACP_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_G2D_ACP_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_USBOTG_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_USBOTG_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_HSMMC_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_HSMMC_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_CSSYS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_CSSYS_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_SECSS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_SECSS_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_ROTATOR_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_ROTATOR_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_PAD_RETENTION_DRAM_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_PAD_RETENTION_GPIO_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_UART_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_MMCA_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_MMCB_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_EBIA_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_EBIB_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_GPIO_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_ISOLATION_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_ISOLATION_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_ALV_SEL_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_XUSBXTI_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_XXTI_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_EXT_REGULATOR_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_GPIO_MODE_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_GPIO_MODE_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_GPIO_MODE_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_TOP_ASB_RESET_LOWPWR, { 0x1, 0x1, 0x1 } }, + { S5P_TOP_ASB_ISOLATION_LOWPWR, { 0x1, 0x0, 0x1 } }, + { S5P_CAM_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_TV_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_MFC_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_G3D_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_LCD0_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_ISP_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_MAUDIO_LOWPWR, { 0x7, 0x7, 0x0 } }, + { S5P_GPS_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_GPS_ALIVE_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_CMU_SYSCLK_ISP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_SYSCLK_GPS_LOWPWR, { 0x1, 0x0, 0x0 } }, + { PMU_TABLE_END,}, +}; + +static const struct exynos_pmu_conf exynos4412_pmu_config[] = { + { S5P_ARM_CORE2_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_DIS_IRQ_CORE2, { 0x0, 0x0, 0x0 } }, + { S5P_DIS_IRQ_CENTRAL2, { 0x0, 0x0, 0x0 } }, + { S5P_ARM_CORE3_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_DIS_IRQ_CORE3, { 0x0, 0x0, 0x0 } }, + { S5P_DIS_IRQ_CENTRAL3, { 0x0, 0x0, 0x0 } }, + { PMU_TABLE_END,}, +}; + +const struct exynos_pmu_data exynos4210_pmu_data = { + .pmu_config = exynos4210_pmu_config, +}; + +const struct exynos_pmu_data exynos4212_pmu_data = { + .pmu_config = exynos4x12_pmu_config, +}; + +const struct exynos_pmu_data exynos4412_pmu_data = { + .pmu_config = exynos4x12_pmu_config, + .pmu_config_extra = exynos4412_pmu_config, +}; + diff --git a/drivers/soc/samsung/exynos5250-pmu.c b/drivers/soc/samsung/exynos5250-pmu.c new file mode 100644 index 0000000..a6d4188 --- /dev/null +++ b/drivers/soc/samsung/exynos5250-pmu.c @@ -0,0 +1,196 @@ +/* + * Copyright (c) 2011-2015 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * EXYNOS5250 - CPU PMU (Power Management Unit) support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/soc/samsung/exynos-regs-pmu.h> +#include <linux/soc/samsung/exynos-pmu.h> + +#include "exynos-pmu.h" + +static const struct exynos_pmu_conf exynos5250_pmu_config[] = { + /* { .offset = offset, .val = { AFTR, LPA, SLEEP } */ + { EXYNOS5_ARM_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS5_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_ARM_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS5_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_FSYS_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_FSYS_ARM_CENTRAL_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_ISP_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS5_ARM_L2_SYS_PWR_REG, { 0x3, 0x3, 0x3} }, + { EXYNOS5_ARM_L2_OPTION, { 0x10, 0x10, 0x0 } }, + { EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_CMU_ACLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_CMU_SCLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_CMU_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_DRAM_FREQ_DOWN_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_DDRPHY_DLLOFF_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_DDRPHY_DLLLOCK_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_APLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_MPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_VPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_EPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_BPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_MPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_BPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_TOP_BUS_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_TOP_RETENTION_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_TOP_PWR_SYS_PWR_REG, { 0x3, 0x0, 0x3} }, + { EXYNOS5_TOP_BUS_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_TOP_RETENTION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_TOP_PWR_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x3} }, + { EXYNOS5_LOGIC_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_OSCCLK_GATE_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_LOGIC_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_OSCCLK_GATE_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_USBOTG_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_G2D_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_USBDRD_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_SDMMC_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_CSSYS_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_SECSS_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_ROTATOR_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_INTRAM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_INTROM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_JPEG_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_JPEG_MEM_OPTION, { 0x10, 0x10, 0x0} }, + { EXYNOS5_HSI_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_MCUIOP_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_SATA_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_PAD_RETENTION_GPIO_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_UART_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_MMCA_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_MMCB_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_EBIA_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_EBIB_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_SPI_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_GPIO_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_ISOLATION_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_ISOLATION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_ALV_SEL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_XUSBXTI_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_XXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_EXT_REGULATOR_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_GPIO_MODE_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_GPIO_MODE_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_GPIO_MODE_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_TOP_ASB_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_TOP_ASB_ISOLATION_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_GSCL_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_ISP_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_MFC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_G3D_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_DISP1_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_MAU_SYS_PWR_REG, { 0x7, 0x7, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_DISP1_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_DISP1_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_DISP1_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { PMU_TABLE_END,}, +}; + +static unsigned int const exynos5_list_both_cnt_feed[] = { + EXYNOS5_ARM_CORE0_OPTION, + EXYNOS5_ARM_CORE1_OPTION, + EXYNOS5_ARM_COMMON_OPTION, + EXYNOS5_GSCL_OPTION, + EXYNOS5_ISP_OPTION, + EXYNOS5_MFC_OPTION, + EXYNOS5_G3D_OPTION, + EXYNOS5_DISP1_OPTION, + EXYNOS5_MAU_OPTION, + EXYNOS5_TOP_PWR_OPTION, + EXYNOS5_TOP_PWR_SYSMEM_OPTION, +}; + +static unsigned int const exynos5_list_disable_wfi_wfe[] = { + EXYNOS5_ARM_CORE1_OPTION, + EXYNOS5_FSYS_ARM_OPTION, + EXYNOS5_ISP_ARM_OPTION, +}; + +static void exynos5250_pmu_init(void) +{ + unsigned int value; + /* + * When SYS_WDTRESET is set, watchdog timer reset request + * is ignored by power management unit. + */ + value = pmu_raw_readl(EXYNOS5_AUTO_WDTRESET_DISABLE); + value &= ~EXYNOS5_SYS_WDTRESET; + pmu_raw_writel(value, EXYNOS5_AUTO_WDTRESET_DISABLE); + + value = pmu_raw_readl(EXYNOS5_MASK_WDTRESET_REQUEST); + value &= ~EXYNOS5_SYS_WDTRESET; + pmu_raw_writel(value, EXYNOS5_MASK_WDTRESET_REQUEST); +} + +static void exynos5_powerdown_conf(enum sys_powerdown mode) +{ + unsigned int i; + unsigned int tmp; + + /* + * Enable both SC_FEEDBACK and SC_COUNTER + */ + for (i = 0; i < ARRAY_SIZE(exynos5_list_both_cnt_feed); i++) { + tmp = pmu_raw_readl(exynos5_list_both_cnt_feed[i]); + tmp |= (EXYNOS5_USE_SC_FEEDBACK | + EXYNOS5_USE_SC_COUNTER); + pmu_raw_writel(tmp, exynos5_list_both_cnt_feed[i]); + } + + /* + * SKIP_DEACTIVATE_ACEACP_IN_PWDN_BITFIELD Enable + */ + tmp = pmu_raw_readl(EXYNOS5_ARM_COMMON_OPTION); + tmp |= EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN; + pmu_raw_writel(tmp, EXYNOS5_ARM_COMMON_OPTION); + + /* + * Disable WFI/WFE on XXX_OPTION + */ + for (i = 0; i < ARRAY_SIZE(exynos5_list_disable_wfi_wfe); i++) { + tmp = pmu_raw_readl(exynos5_list_disable_wfi_wfe[i]); + tmp &= ~(EXYNOS5_OPTION_USE_STANDBYWFE | + EXYNOS5_OPTION_USE_STANDBYWFI); + pmu_raw_writel(tmp, exynos5_list_disable_wfi_wfe[i]); + } +} + +const struct exynos_pmu_data exynos5250_pmu_data = { + .pmu_config = exynos5250_pmu_config, + .pmu_init = exynos5250_pmu_init, + .powerdown_conf = exynos5_powerdown_conf, +}; + diff --git a/drivers/soc/samsung/exynos5420-pmu.c b/drivers/soc/samsung/exynos5420-pmu.c new file mode 100644 index 0000000..5810afe --- /dev/null +++ b/drivers/soc/samsung/exynos5420-pmu.c @@ -0,0 +1,280 @@ +/* + * Copyright (c) 2011-2015 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * EXYNOS5420 - CPU PMU (Power Management Unit) support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/pm.h> +#include <linux/soc/samsung/exynos-regs-pmu.h> +#include <linux/soc/samsung/exynos-pmu.h> + +#include <asm/cputype.h> + +#include "exynos-pmu.h" + +static struct exynos_pmu_conf exynos5420_pmu_config[] = { + /* { .offset = offset, .val = { AFTR, LPA, SLEEP } */ + { EXYNOS5_ARM_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_ARM_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_ARM_CORE2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_DIS_IRQ_ARM_CORE2_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_DIS_IRQ_ARM_CORE2_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_ARM_CORE3_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_DIS_IRQ_ARM_CORE3_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_DIS_IRQ_ARM_CORE3_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_KFC_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_DIS_IRQ_KFC_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_DIS_IRQ_KFC_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_KFC_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_DIS_IRQ_KFC_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_DIS_IRQ_KFC_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_KFC_CORE2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_DIS_IRQ_KFC_CORE2_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_DIS_IRQ_KFC_CORE2_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_KFC_CORE3_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_DIS_IRQ_KFC_CORE3_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_DIS_IRQ_KFC_CORE3_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_ISP_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_KFC_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_ARM_L2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_KFC_L2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_CMU_ACLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_SCLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_CMU_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_DRAM_FREQ_DOWN_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_DDRPHY_DLLOFF_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_DDRPHY_DLLLOCK_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_APLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_MPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_VPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_EPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_BPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_DPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_IPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_KPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_MPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_BPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_RPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_SPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_TOP_BUS_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_TOP_RETENTION_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_TOP_PWR_SYS_PWR_REG, { 0x3, 0x3, 0x0} }, + { EXYNOS5_TOP_BUS_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_TOP_RETENTION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_TOP_PWR_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_LOGIC_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_OSCCLK_GATE_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_LOGIC_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_OSCCLK_GATE_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_INTRAM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x3} }, + { EXYNOS5420_INTROM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x3} }, + { EXYNOS5_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5420_PAD_RETENTION_JTAG_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5420_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_PAD_RETENTION_UART_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_PAD_RETENTION_MMC0_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_PAD_RETENTION_MMC1_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_PAD_RETENTION_MMC2_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_PAD_RETENTION_HSI_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_PAD_RETENTION_EBIA_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_PAD_RETENTION_EBIB_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_PAD_RETENTION_SPI_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5420_PAD_RETENTION_DRAM_COREBLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_ISOLATION_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_PAD_ISOLATION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_ALV_SEL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_XUSBXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_XXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_EXT_REGULATOR_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_GPIO_MODE_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_GPIO_MODE_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_GPIO_MODE_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_TOP_ASB_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_TOP_ASB_ISOLATION_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_GSCL_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_ISP_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_MFC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_G3D_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5420_DISP1_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5420_MAU_SYS_PWR_REG, { 0x7, 0x7, 0x0} }, + { EXYNOS5420_G2D_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5420_MSC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5420_FSYS_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5420_FSYS2_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5420_PSGEN_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5420_PERIC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5420_WCORE_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_MFC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_CLKSTOP_DISP1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_CLKSTOP_MAU_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_CLKSTOP_G2D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_CLKSTOP_MSC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_CLKSTOP_FSYS_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_CLKSTOP_PSGEN_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_CLKSTOP_PERIC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_CLKSTOP_WCORE_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_MFC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_SYSCLK_DISP1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_SYSCLK_MAU_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_SYSCLK_G2D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_SYSCLK_MSC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_SYSCLK_FSYS_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_SYSCLK_FSYS2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_SYSCLK_PSGEN_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_SYSCLK_PERIC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_SYSCLK_WCORE_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_RESET_FSYS2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_RESET_PSGEN_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_RESET_PERIC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_RESET_WCORE_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_MFC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_RESET_DISP1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_RESET_MAU_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_RESET_G2D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_RESET_MSC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5420_CMU_RESET_FSYS_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { PMU_TABLE_END,}, +}; + +static unsigned int const exynos5420_list_disable_pmu_reg[] = { + EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG, + EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG, + EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG, + EXYNOS5420_CMU_CLKSTOP_DISP1_SYS_PWR_REG, + EXYNOS5420_CMU_CLKSTOP_MAU_SYS_PWR_REG, + EXYNOS5420_CMU_CLKSTOP_G2D_SYS_PWR_REG, + EXYNOS5420_CMU_CLKSTOP_MSC_SYS_PWR_REG, + EXYNOS5420_CMU_CLKSTOP_FSYS_SYS_PWR_REG, + EXYNOS5420_CMU_CLKSTOP_PSGEN_SYS_PWR_REG, + EXYNOS5420_CMU_CLKSTOP_PERIC_SYS_PWR_REG, + EXYNOS5420_CMU_CLKSTOP_WCORE_SYS_PWR_REG, + EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG, + EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG, + EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG, + EXYNOS5420_CMU_SYSCLK_DISP1_SYS_PWR_REG, + EXYNOS5420_CMU_SYSCLK_MAU_SYS_PWR_REG, + EXYNOS5420_CMU_SYSCLK_G2D_SYS_PWR_REG, + EXYNOS5420_CMU_SYSCLK_MSC_SYS_PWR_REG, + EXYNOS5420_CMU_SYSCLK_FSYS_SYS_PWR_REG, + EXYNOS5420_CMU_SYSCLK_FSYS2_SYS_PWR_REG, + EXYNOS5420_CMU_SYSCLK_PSGEN_SYS_PWR_REG, + EXYNOS5420_CMU_SYSCLK_PERIC_SYS_PWR_REG, + EXYNOS5420_CMU_SYSCLK_WCORE_SYS_PWR_REG, + EXYNOS5420_CMU_RESET_FSYS2_SYS_PWR_REG, + EXYNOS5420_CMU_RESET_PSGEN_SYS_PWR_REG, + EXYNOS5420_CMU_RESET_PERIC_SYS_PWR_REG, + EXYNOS5420_CMU_RESET_WCORE_SYS_PWR_REG, + EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG, + EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG, + EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG, + EXYNOS5420_CMU_RESET_DISP1_SYS_PWR_REG, + EXYNOS5420_CMU_RESET_MAU_SYS_PWR_REG, + EXYNOS5420_CMU_RESET_G2D_SYS_PWR_REG, + EXYNOS5420_CMU_RESET_MSC_SYS_PWR_REG, + EXYNOS5420_CMU_RESET_FSYS_SYS_PWR_REG, +}; + +void exynos5420_powerdown_conf(enum sys_powerdown mode) +{ + u32 this_cluster; + + this_cluster = MPIDR_AFFINITY_LEVEL(read_cpuid_mpidr(), 1); + + /* + * set the cluster id to IROM register to ensure that we wake + * up with the current cluster. + */ + pmu_raw_writel(this_cluster, EXYNOS_IROM_DATA2); +} + +static void exynos5420_pmu_init(void) +{ + unsigned int value; + int i; + + /* + * Set the CMU_RESET, CMU_SYSCLK and CMU_CLKSTOP registers + * for local power blocks to Low initially as per Table 8-4: + * "System-Level Power-Down Configuration Registers". + */ + for (i = 0; i < ARRAY_SIZE(exynos5420_list_disable_pmu_reg); i++) + pmu_raw_writel(0, exynos5420_list_disable_pmu_reg[i]); + + /* Enable USE_STANDBY_WFI for all CORE */ + pmu_raw_writel(EXYNOS5420_USE_STANDBY_WFI_ALL, S5P_CENTRAL_SEQ_OPTION); + + value = pmu_raw_readl(EXYNOS_L2_OPTION(0)); + value &= ~EXYNOS5_USE_RETENTION; + pmu_raw_writel(value, EXYNOS_L2_OPTION(0)); + + value = pmu_raw_readl(EXYNOS_L2_OPTION(1)); + value &= ~EXYNOS5_USE_RETENTION; + pmu_raw_writel(value, EXYNOS_L2_OPTION(1)); + + /* + * If L2_COMMON is turned off, clocks related to ATB async + * bridge are gated. Thus, when ISP power is gated, LPI + * may get stuck. + */ + value = pmu_raw_readl(EXYNOS5420_LPI_MASK); + value |= EXYNOS5420_ATB_ISP_ARM; + pmu_raw_writel(value, EXYNOS5420_LPI_MASK); + + value = pmu_raw_readl(EXYNOS5420_LPI_MASK1); + value |= EXYNOS5420_ATB_KFC; + pmu_raw_writel(value, EXYNOS5420_LPI_MASK1); + + /* Prevent issue of new bus request from L2 memory */ + value = pmu_raw_readl(EXYNOS5420_ARM_COMMON_OPTION); + value |= EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN; + pmu_raw_writel(value, EXYNOS5420_ARM_COMMON_OPTION); + + value = pmu_raw_readl(EXYNOS5420_KFC_COMMON_OPTION); + value |= EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN; + pmu_raw_writel(value, EXYNOS5420_KFC_COMMON_OPTION); + + /* This setting is to reduce suspend/resume time */ + pmu_raw_writel(DUR_WAIT_RESET, EXYNOS5420_LOGIC_RESET_DURATION3); + + /* Serialized CPU wakeup of Eagle */ + pmu_raw_writel(SPREAD_ENABLE, EXYNOS5420_ARM_INTR_SPREAD_ENABLE); + + pmu_raw_writel(SPREAD_USE_STANDWFI, + EXYNOS5420_ARM_INTR_SPREAD_USE_STANDBYWFI); + + pmu_raw_writel(0x1, EXYNOS5420_UP_SCHEDULER); + + pr_info("EXYNOS5420 PMU initialized\n"); +} + +const struct exynos_pmu_data exynos5420_pmu_data = { + .pmu_config = exynos5420_pmu_config, + .pmu_init = exynos5420_pmu_init, + .powerdown_conf = exynos5420_powerdown_conf, +};

[v4,9/9] drivers: soc: Add support for Exynos PMU driver

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