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276 lines
13 KiB
276 lines
13 KiB
// SPDX-License-Identifier: GPL-2.0 |
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// |
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// Copyright (c) 2011-2015 Samsung Electronics Co., Ltd. |
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// http://www.samsung.com/ |
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// |
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// Exynos5420 - CPU PMU (Power Management Unit) support |
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#include <linux/pm.h> |
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#include <linux/soc/samsung/exynos-regs-pmu.h> |
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#include <linux/soc/samsung/exynos-pmu.h> |
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#include <asm/cputype.h> |
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#include "exynos-pmu.h" |
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static const struct exynos_pmu_conf exynos5420_pmu_config[] = { |
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/* { .offset = offset, .val = { AFTR, LPA, SLEEP } */ |
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{ EXYNOS5_ARM_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_ARM_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_ARM_CORE2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_DIS_IRQ_ARM_CORE2_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_DIS_IRQ_ARM_CORE2_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_ARM_CORE3_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_DIS_IRQ_ARM_CORE3_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_DIS_IRQ_ARM_CORE3_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_KFC_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_DIS_IRQ_KFC_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_DIS_IRQ_KFC_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_KFC_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_DIS_IRQ_KFC_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_DIS_IRQ_KFC_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_KFC_CORE2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_DIS_IRQ_KFC_CORE2_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_DIS_IRQ_KFC_CORE2_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_KFC_CORE3_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_DIS_IRQ_KFC_CORE3_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_DIS_IRQ_KFC_CORE3_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_ISP_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_KFC_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_ARM_L2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_KFC_L2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, |
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{ EXYNOS5_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, |
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{ EXYNOS5_CMU_ACLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_SCLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, |
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{ EXYNOS5_CMU_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, |
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{ EXYNOS5_DRAM_FREQ_DOWN_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, |
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{ EXYNOS5_DDRPHY_DLLOFF_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, |
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{ EXYNOS5_DDRPHY_DLLLOCK_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, |
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{ EXYNOS5_APLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_MPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_VPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_EPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, |
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{ EXYNOS5_BPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_CPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_DPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_IPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_KPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_MPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_BPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_RPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_SPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_TOP_BUS_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, |
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{ EXYNOS5_TOP_RETENTION_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, |
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{ EXYNOS5_TOP_PWR_SYS_PWR_REG, { 0x3, 0x3, 0x0} }, |
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{ EXYNOS5_TOP_BUS_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, |
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{ EXYNOS5_TOP_RETENTION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, |
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{ EXYNOS5_TOP_PWR_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, |
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{ EXYNOS5_LOGIC_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, |
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{ EXYNOS5_OSCCLK_GATE_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, |
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{ EXYNOS5_LOGIC_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_OSCCLK_GATE_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_INTRAM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x3} }, |
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{ EXYNOS5420_INTROM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x3} }, |
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{ EXYNOS5_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_PAD_RETENTION_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, |
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{ EXYNOS5420_PAD_RETENTION_JTAG_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, |
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{ EXYNOS5420_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_PAD_RETENTION_UART_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_PAD_RETENTION_MMC0_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_PAD_RETENTION_MMC1_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_PAD_RETENTION_MMC2_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_PAD_RETENTION_HSI_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_PAD_RETENTION_EBIA_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_PAD_RETENTION_EBIB_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_PAD_RETENTION_SPI_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5420_PAD_RETENTION_DRAM_COREBLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_PAD_ISOLATION_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, |
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{ EXYNOS5_PAD_ISOLATION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_PAD_ALV_SEL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_XUSBXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, |
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{ EXYNOS5_XXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, |
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{ EXYNOS5_EXT_REGULATOR_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, |
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{ EXYNOS5_GPIO_MODE_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_GPIO_MODE_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, |
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{ EXYNOS5_GPIO_MODE_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, |
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{ EXYNOS5_TOP_ASB_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, |
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{ EXYNOS5_TOP_ASB_ISOLATION_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, |
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{ EXYNOS5_GSCL_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, |
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{ EXYNOS5_ISP_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, |
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{ EXYNOS5_MFC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, |
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{ EXYNOS5_G3D_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, |
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{ EXYNOS5420_DISP1_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, |
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{ EXYNOS5420_MAU_SYS_PWR_REG, { 0x7, 0x7, 0x0} }, |
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{ EXYNOS5420_G2D_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, |
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{ EXYNOS5420_MSC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, |
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{ EXYNOS5420_FSYS_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, |
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{ EXYNOS5420_FSYS2_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, |
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{ EXYNOS5420_PSGEN_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, |
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{ EXYNOS5420_PERIC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, |
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{ EXYNOS5420_WCORE_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_CLKSTOP_MFC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_CLKSTOP_DISP1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_CLKSTOP_MAU_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_CLKSTOP_G2D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_CLKSTOP_MSC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_CLKSTOP_FSYS_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_CLKSTOP_PSGEN_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_CLKSTOP_PERIC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_CLKSTOP_WCORE_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_SYSCLK_MFC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_SYSCLK_DISP1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_SYSCLK_MAU_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_SYSCLK_G2D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_SYSCLK_MSC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_SYSCLK_FSYS_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_SYSCLK_FSYS2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_SYSCLK_PSGEN_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_SYSCLK_PERIC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_SYSCLK_WCORE_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_RESET_FSYS2_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_RESET_PSGEN_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_RESET_PERIC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_RESET_WCORE_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_RESET_MFC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_RESET_DISP1_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_RESET_MAU_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_RESET_G2D_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_RESET_MSC_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ EXYNOS5420_CMU_RESET_FSYS_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, |
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{ PMU_TABLE_END,}, |
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}; |
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static unsigned int const exynos5420_list_disable_pmu_reg[] = { |
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EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG, |
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EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG, |
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EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG, |
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EXYNOS5420_CMU_CLKSTOP_DISP1_SYS_PWR_REG, |
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EXYNOS5420_CMU_CLKSTOP_MAU_SYS_PWR_REG, |
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EXYNOS5420_CMU_CLKSTOP_G2D_SYS_PWR_REG, |
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EXYNOS5420_CMU_CLKSTOP_MSC_SYS_PWR_REG, |
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EXYNOS5420_CMU_CLKSTOP_FSYS_SYS_PWR_REG, |
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EXYNOS5420_CMU_CLKSTOP_PSGEN_SYS_PWR_REG, |
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EXYNOS5420_CMU_CLKSTOP_PERIC_SYS_PWR_REG, |
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EXYNOS5420_CMU_CLKSTOP_WCORE_SYS_PWR_REG, |
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EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG, |
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EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG, |
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EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG, |
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EXYNOS5420_CMU_SYSCLK_DISP1_SYS_PWR_REG, |
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EXYNOS5420_CMU_SYSCLK_MAU_SYS_PWR_REG, |
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EXYNOS5420_CMU_SYSCLK_G2D_SYS_PWR_REG, |
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EXYNOS5420_CMU_SYSCLK_MSC_SYS_PWR_REG, |
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EXYNOS5420_CMU_SYSCLK_FSYS_SYS_PWR_REG, |
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EXYNOS5420_CMU_SYSCLK_FSYS2_SYS_PWR_REG, |
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EXYNOS5420_CMU_SYSCLK_PSGEN_SYS_PWR_REG, |
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EXYNOS5420_CMU_SYSCLK_PERIC_SYS_PWR_REG, |
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EXYNOS5420_CMU_SYSCLK_WCORE_SYS_PWR_REG, |
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EXYNOS5420_CMU_RESET_FSYS2_SYS_PWR_REG, |
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EXYNOS5420_CMU_RESET_PSGEN_SYS_PWR_REG, |
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EXYNOS5420_CMU_RESET_PERIC_SYS_PWR_REG, |
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EXYNOS5420_CMU_RESET_WCORE_SYS_PWR_REG, |
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EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG, |
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EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG, |
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EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG, |
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EXYNOS5420_CMU_RESET_DISP1_SYS_PWR_REG, |
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EXYNOS5420_CMU_RESET_MAU_SYS_PWR_REG, |
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EXYNOS5420_CMU_RESET_G2D_SYS_PWR_REG, |
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EXYNOS5420_CMU_RESET_MSC_SYS_PWR_REG, |
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EXYNOS5420_CMU_RESET_FSYS_SYS_PWR_REG, |
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}; |
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static void exynos5420_powerdown_conf(enum sys_powerdown mode) |
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{ |
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u32 this_cluster; |
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this_cluster = MPIDR_AFFINITY_LEVEL(read_cpuid_mpidr(), 1); |
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/* |
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* set the cluster id to IROM register to ensure that we wake |
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* up with the current cluster. |
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*/ |
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pmu_raw_writel(this_cluster, EXYNOS_IROM_DATA2); |
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} |
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static void exynos5420_pmu_init(void) |
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{ |
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unsigned int value; |
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int i; |
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/* |
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* Set the CMU_RESET, CMU_SYSCLK and CMU_CLKSTOP registers |
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* for local power blocks to Low initially as per Table 8-4: |
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* "System-Level Power-Down Configuration Registers". |
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*/ |
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for (i = 0; i < ARRAY_SIZE(exynos5420_list_disable_pmu_reg); i++) |
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pmu_raw_writel(0, exynos5420_list_disable_pmu_reg[i]); |
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/* Enable USE_STANDBY_WFI for all CORE */ |
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pmu_raw_writel(EXYNOS5420_USE_STANDBY_WFI_ALL, S5P_CENTRAL_SEQ_OPTION); |
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value = pmu_raw_readl(EXYNOS_L2_OPTION(0)); |
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value &= ~EXYNOS_L2_USE_RETENTION; |
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pmu_raw_writel(value, EXYNOS_L2_OPTION(0)); |
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value = pmu_raw_readl(EXYNOS_L2_OPTION(1)); |
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value &= ~EXYNOS_L2_USE_RETENTION; |
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pmu_raw_writel(value, EXYNOS_L2_OPTION(1)); |
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/* |
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* If L2_COMMON is turned off, clocks related to ATB async |
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* bridge are gated. Thus, when ISP power is gated, LPI |
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* may get stuck. |
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*/ |
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value = pmu_raw_readl(EXYNOS5420_LPI_MASK); |
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value |= EXYNOS5420_ATB_ISP_ARM; |
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pmu_raw_writel(value, EXYNOS5420_LPI_MASK); |
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value = pmu_raw_readl(EXYNOS5420_LPI_MASK1); |
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value |= EXYNOS5420_ATB_KFC; |
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pmu_raw_writel(value, EXYNOS5420_LPI_MASK1); |
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/* Prevent issue of new bus request from L2 memory */ |
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value = pmu_raw_readl(EXYNOS5420_ARM_COMMON_OPTION); |
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value |= EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN; |
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pmu_raw_writel(value, EXYNOS5420_ARM_COMMON_OPTION); |
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value = pmu_raw_readl(EXYNOS5420_KFC_COMMON_OPTION); |
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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, |
|
};
|
|
|