From 00a351f273a85b23a3fc9e7740b4c0080e69c9a1 Mon Sep 17 00:00:00 2001 From: Jongpill Lee Date: Tue, 27 Sep 2011 07:26:04 +0900 Subject: [PATCH] ARM: EXYNOS4: Support suspend/resume for EXYNOS4212 Signed-off-by: Jongpill Lee Signed-off-by: Kukjin Kim --- arch/arm/mach-exynos4/pm.c | 7 +++ arch/arm/mach-exynos4/pmu.c | 118 +++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 124 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-exynos4/pm.c b/arch/arm/mach-exynos4/pm.c index bc6ca94..6e59c83 100644 --- a/arch/arm/mach-exynos4/pm.c +++ b/arch/arm/mach-exynos4/pm.c @@ -404,6 +404,13 @@ static int exynos4_pm_suspend(void) tmp &= ~S5P_CENTRAL_LOWPWR_CFG; __raw_writel(tmp, S5P_CENTRAL_SEQ_CONFIGURATION); + if (soc_is_exynos4212()) { + tmp = __raw_readl(S5P_CENTRAL_SEQ_OPTION); + tmp &= ~(S5P_USE_STANDBYWFI_ISP_ARM | + S5P_USE_STANDBYWFE_ISP_ARM); + __raw_writel(tmp, S5P_CENTRAL_SEQ_OPTION); + } + /* Save Power control register */ asm ("mrc p15, 0, %0, c15, c0, 0" : "=r" (tmp) : : "cc"); diff --git a/arch/arm/mach-exynos4/pmu.c b/arch/arm/mach-exynos4/pmu.c index 02bfa0d..bba48f5 100644 --- a/arch/arm/mach-exynos4/pmu.c +++ b/arch/arm/mach-exynos4/pmu.c @@ -94,6 +94,114 @@ static struct exynos4_pmu_conf exynos4210_pmu_config[] = { { PMU_TABLE_END,}, }; +static struct exynos4_pmu_conf exynos4212_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,}, +}; + void exynos4_sys_powerdown_conf(enum sys_powerdown mode) { unsigned int i; @@ -107,7 +215,15 @@ static int __init exynos4_pmu_init(void) { exynos4_pmu_config = exynos4210_pmu_config; - pr_info("EXYNOS4210 PMU Initialize\n"); + if (soc_is_exynos4210()) { + exynos4_pmu_config = exynos4210_pmu_config; + pr_info("EXYNOS4210 PMU Initialize\n"); + } else if (soc_is_exynos4212()) { + exynos4_pmu_config = exynos4212_pmu_config; + pr_info("EXYNOS4212 PMU Initialize\n"); + } else { + pr_info("EXYNOS4: PMU not supported\n"); + } return 0; } -- 2.7.4