diff options
Diffstat (limited to 'arch/arm/mach-exynos4/pm.c')
| -rw-r--r-- | arch/arm/mach-exynos4/pm.c | 429 |
1 files changed, 0 insertions, 429 deletions
diff --git a/arch/arm/mach-exynos4/pm.c b/arch/arm/mach-exynos4/pm.c deleted file mode 100644 index 533c28f758ca..000000000000 --- a/arch/arm/mach-exynos4/pm.c +++ /dev/null @@ -1,429 +0,0 @@ -/* linux/arch/arm/mach-exynos4/pm.c - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * EXYNOS4210 - Power Management support - * - * Based on arch/arm/mach-s3c2410/pm.c - * Copyright (c) 2006 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * 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/init.h> -#include <linux/suspend.h> -#include <linux/syscore_ops.h> -#include <linux/io.h> - -#include <asm/cacheflush.h> -#include <asm/hardware/cache-l2x0.h> - -#include <plat/cpu.h> -#include <plat/pm.h> - -#include <mach/regs-irq.h> -#include <mach/regs-gpio.h> -#include <mach/regs-clock.h> -#include <mach/regs-pmu.h> -#include <mach/pm-core.h> - -static struct sleep_save exynos4_sleep[] = { - { .reg = S5P_ARM_CORE0_LOWPWR , .val = 0x2, }, - { .reg = S5P_DIS_IRQ_CORE0 , .val = 0x0, }, - { .reg = S5P_DIS_IRQ_CENTRAL0 , .val = 0x0, }, - { .reg = S5P_ARM_CORE1_LOWPWR , .val = 0x2, }, - { .reg = S5P_DIS_IRQ_CORE1 , .val = 0x0, }, - { .reg = S5P_DIS_IRQ_CENTRAL1 , .val = 0x0, }, - { .reg = S5P_ARM_COMMON_LOWPWR , .val = 0x2, }, - { .reg = S5P_L2_0_LOWPWR , .val = 0x3, }, - { .reg = S5P_L2_1_LOWPWR , .val = 0x3, }, - { .reg = S5P_CMU_ACLKSTOP_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_SCLKSTOP_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_RESET_LOWPWR , .val = 0x0, }, - { .reg = S5P_APLL_SYSCLK_LOWPWR , .val = 0x0, }, - { .reg = S5P_MPLL_SYSCLK_LOWPWR , .val = 0x0, }, - { .reg = S5P_VPLL_SYSCLK_LOWPWR , .val = 0x0, }, - { .reg = S5P_EPLL_SYSCLK_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_RESET_GPSALIVE_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_CLKSTOP_CAM_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_CLKSTOP_TV_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_CLKSTOP_MFC_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_CLKSTOP_G3D_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_CLKSTOP_LCD0_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_CLKSTOP_LCD1_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_CLKSTOP_MAUDIO_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_CLKSTOP_GPS_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_RESET_CAM_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_RESET_TV_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_RESET_MFC_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_RESET_G3D_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_RESET_LCD0_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_RESET_LCD1_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_RESET_MAUDIO_LOWPWR , .val = 0x0, }, - { .reg = S5P_CMU_RESET_GPS_LOWPWR , .val = 0x0, }, - { .reg = S5P_TOP_BUS_LOWPWR , .val = 0x0, }, - { .reg = S5P_TOP_RETENTION_LOWPWR , .val = 0x1, }, - { .reg = S5P_TOP_PWR_LOWPWR , .val = 0x3, }, - { .reg = S5P_LOGIC_RESET_LOWPWR , .val = 0x0, }, - { .reg = S5P_ONENAND_MEM_LOWPWR , .val = 0x0, }, - { .reg = S5P_MODIMIF_MEM_LOWPWR , .val = 0x0, }, - { .reg = S5P_G2D_ACP_MEM_LOWPWR , .val = 0x0, }, - { .reg = S5P_USBOTG_MEM_LOWPWR , .val = 0x0, }, - { .reg = S5P_HSMMC_MEM_LOWPWR , .val = 0x0, }, - { .reg = S5P_CSSYS_MEM_LOWPWR , .val = 0x0, }, - { .reg = S5P_SECSS_MEM_LOWPWR , .val = 0x0, }, - { .reg = S5P_PCIE_MEM_LOWPWR , .val = 0x0, }, - { .reg = S5P_SATA_MEM_LOWPWR , .val = 0x0, }, - { .reg = S5P_PAD_RETENTION_DRAM_LOWPWR , .val = 0x0, }, - { .reg = S5P_PAD_RETENTION_MAUDIO_LOWPWR , .val = 0x0, }, - { .reg = S5P_PAD_RETENTION_GPIO_LOWPWR , .val = 0x0, }, - { .reg = S5P_PAD_RETENTION_UART_LOWPWR , .val = 0x0, }, - { .reg = S5P_PAD_RETENTION_MMCA_LOWPWR , .val = 0x0, }, - { .reg = S5P_PAD_RETENTION_MMCB_LOWPWR , .val = 0x0, }, - { .reg = S5P_PAD_RETENTION_EBIA_LOWPWR , .val = 0x0, }, - { .reg = S5P_PAD_RETENTION_EBIB_LOWPWR , .val = 0x0, }, - { .reg = S5P_PAD_RETENTION_ISOLATION_LOWPWR , .val = 0x0, }, - { .reg = S5P_PAD_RETENTION_ALV_SEL_LOWPWR , .val = 0x0, }, - { .reg = S5P_XUSBXTI_LOWPWR , .val = 0x0, }, - { .reg = S5P_XXTI_LOWPWR , .val = 0x0, }, - { .reg = S5P_EXT_REGULATOR_LOWPWR , .val = 0x0, }, - { .reg = S5P_GPIO_MODE_LOWPWR , .val = 0x0, }, - { .reg = S5P_GPIO_MODE_MAUDIO_LOWPWR , .val = 0x0, }, - { .reg = S5P_CAM_LOWPWR , .val = 0x0, }, - { .reg = S5P_TV_LOWPWR , .val = 0x0, }, - { .reg = S5P_MFC_LOWPWR , .val = 0x0, }, - { .reg = S5P_G3D_LOWPWR , .val = 0x0, }, - { .reg = S5P_LCD0_LOWPWR , .val = 0x0, }, - { .reg = S5P_LCD1_LOWPWR , .val = 0x0, }, - { .reg = S5P_MAUDIO_LOWPWR , .val = 0x0, }, - { .reg = S5P_GPS_LOWPWR , .val = 0x0, }, - { .reg = S5P_GPS_ALIVE_LOWPWR , .val = 0x0, }, -}; - -static struct sleep_save exynos4_set_clksrc[] = { - { .reg = S5P_CLKSRC_MASK_TOP , .val = 0x00000001, }, - { .reg = S5P_CLKSRC_MASK_CAM , .val = 0x11111111, }, - { .reg = S5P_CLKSRC_MASK_TV , .val = 0x00000111, }, - { .reg = S5P_CLKSRC_MASK_LCD0 , .val = 0x00001111, }, - { .reg = S5P_CLKSRC_MASK_LCD1 , .val = 0x00001111, }, - { .reg = S5P_CLKSRC_MASK_MAUDIO , .val = 0x00000001, }, - { .reg = S5P_CLKSRC_MASK_FSYS , .val = 0x01011111, }, - { .reg = S5P_CLKSRC_MASK_PERIL0 , .val = 0x01111111, }, - { .reg = S5P_CLKSRC_MASK_PERIL1 , .val = 0x01110111, }, - { .reg = S5P_CLKSRC_MASK_DMC , .val = 0x00010000, }, -}; - -static struct sleep_save exynos4_core_save[] = { - /* CMU side */ - SAVE_ITEM(S5P_CLKDIV_LEFTBUS), - SAVE_ITEM(S5P_CLKGATE_IP_LEFTBUS), - SAVE_ITEM(S5P_CLKDIV_RIGHTBUS), - SAVE_ITEM(S5P_CLKGATE_IP_RIGHTBUS), - SAVE_ITEM(S5P_EPLL_CON0), - SAVE_ITEM(S5P_EPLL_CON1), - SAVE_ITEM(S5P_VPLL_CON0), - SAVE_ITEM(S5P_VPLL_CON1), - SAVE_ITEM(S5P_CLKSRC_TOP0), - SAVE_ITEM(S5P_CLKSRC_TOP1), - SAVE_ITEM(S5P_CLKSRC_CAM), - SAVE_ITEM(S5P_CLKSRC_MFC), - SAVE_ITEM(S5P_CLKSRC_IMAGE), - SAVE_ITEM(S5P_CLKSRC_LCD0), - SAVE_ITEM(S5P_CLKSRC_LCD1), - SAVE_ITEM(S5P_CLKSRC_MAUDIO), - SAVE_ITEM(S5P_CLKSRC_FSYS), - SAVE_ITEM(S5P_CLKSRC_PERIL0), - SAVE_ITEM(S5P_CLKSRC_PERIL1), - SAVE_ITEM(S5P_CLKDIV_CAM), - SAVE_ITEM(S5P_CLKDIV_TV), - SAVE_ITEM(S5P_CLKDIV_MFC), - SAVE_ITEM(S5P_CLKDIV_G3D), - SAVE_ITEM(S5P_CLKDIV_IMAGE), - SAVE_ITEM(S5P_CLKDIV_LCD0), - SAVE_ITEM(S5P_CLKDIV_LCD1), - SAVE_ITEM(S5P_CLKDIV_MAUDIO), - SAVE_ITEM(S5P_CLKDIV_FSYS0), - SAVE_ITEM(S5P_CLKDIV_FSYS1), - SAVE_ITEM(S5P_CLKDIV_FSYS2), - SAVE_ITEM(S5P_CLKDIV_FSYS3), - SAVE_ITEM(S5P_CLKDIV_PERIL0), - SAVE_ITEM(S5P_CLKDIV_PERIL1), - SAVE_ITEM(S5P_CLKDIV_PERIL2), - SAVE_ITEM(S5P_CLKDIV_PERIL3), - SAVE_ITEM(S5P_CLKDIV_PERIL4), - SAVE_ITEM(S5P_CLKDIV_PERIL5), - SAVE_ITEM(S5P_CLKDIV_TOP), - SAVE_ITEM(S5P_CLKSRC_MASK_CAM), - SAVE_ITEM(S5P_CLKSRC_MASK_TV), - SAVE_ITEM(S5P_CLKSRC_MASK_LCD0), - SAVE_ITEM(S5P_CLKSRC_MASK_LCD1), - SAVE_ITEM(S5P_CLKSRC_MASK_MAUDIO), - SAVE_ITEM(S5P_CLKSRC_MASK_FSYS), - SAVE_ITEM(S5P_CLKSRC_MASK_PERIL0), - SAVE_ITEM(S5P_CLKSRC_MASK_PERIL1), - SAVE_ITEM(S5P_CLKGATE_SCLKCAM), - SAVE_ITEM(S5P_CLKGATE_IP_CAM), - SAVE_ITEM(S5P_CLKGATE_IP_TV), - SAVE_ITEM(S5P_CLKGATE_IP_MFC), - SAVE_ITEM(S5P_CLKGATE_IP_G3D), - SAVE_ITEM(S5P_CLKGATE_IP_IMAGE), - SAVE_ITEM(S5P_CLKGATE_IP_LCD0), - SAVE_ITEM(S5P_CLKGATE_IP_LCD1), - SAVE_ITEM(S5P_CLKGATE_IP_FSYS), - SAVE_ITEM(S5P_CLKGATE_IP_GPS), - SAVE_ITEM(S5P_CLKGATE_IP_PERIL), - SAVE_ITEM(S5P_CLKGATE_IP_PERIR), - SAVE_ITEM(S5P_CLKGATE_BLOCK), - SAVE_ITEM(S5P_CLKSRC_MASK_DMC), - SAVE_ITEM(S5P_CLKSRC_DMC), - SAVE_ITEM(S5P_CLKDIV_DMC0), - SAVE_ITEM(S5P_CLKDIV_DMC1), - SAVE_ITEM(S5P_CLKGATE_IP_DMC), - SAVE_ITEM(S5P_CLKSRC_CPU), - SAVE_ITEM(S5P_CLKDIV_CPU), - SAVE_ITEM(S5P_CLKGATE_SCLKCPU), - SAVE_ITEM(S5P_CLKGATE_IP_CPU), - /* GIC side */ - SAVE_ITEM(S5P_VA_GIC_CPU + 0x000), - SAVE_ITEM(S5P_VA_GIC_CPU + 0x004), - SAVE_ITEM(S5P_VA_GIC_CPU + 0x008), - SAVE_ITEM(S5P_VA_GIC_CPU + 0x00C), - SAVE_ITEM(S5P_VA_GIC_CPU + 0x014), - SAVE_ITEM(S5P_VA_GIC_CPU + 0x018), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x000), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x004), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x100), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x104), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x108), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x300), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x304), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x308), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x400), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x404), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x408), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x40C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x410), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x414), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x418), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x41C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x420), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x424), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x428), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x42C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x430), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x434), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x438), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x43C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x440), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x444), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x448), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x44C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x450), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x454), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x458), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x45C), - - SAVE_ITEM(S5P_VA_GIC_DIST + 0x800), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x804), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x808), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x80C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x810), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x814), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x818), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x81C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x820), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x824), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x828), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x82C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x830), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x834), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x838), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x83C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x840), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x844), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x848), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x84C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x850), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x854), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x858), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x85C), - - SAVE_ITEM(S5P_VA_GIC_DIST + 0xC00), - SAVE_ITEM(S5P_VA_GIC_DIST + 0xC04), - SAVE_ITEM(S5P_VA_GIC_DIST + 0xC08), - SAVE_ITEM(S5P_VA_GIC_DIST + 0xC0C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0xC10), - SAVE_ITEM(S5P_VA_GIC_DIST + 0xC14), - - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x000), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x010), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x020), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x030), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x040), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x050), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x060), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x070), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x080), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x090), -}; - -static struct sleep_save exynos4_l2cc_save[] = { - SAVE_ITEM(S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL), - SAVE_ITEM(S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL), - SAVE_ITEM(S5P_VA_L2CC + L2X0_PREFETCH_CTRL), - SAVE_ITEM(S5P_VA_L2CC + L2X0_POWER_CTRL), - SAVE_ITEM(S5P_VA_L2CC + L2X0_AUX_CTRL), -}; - -static int exynos4_cpu_suspend(unsigned long arg) -{ - unsigned long tmp; - unsigned long mask = 0xFFFFFFFF; - - /* Setting Central Sequence Register for power down mode */ - - tmp = __raw_readl(S5P_CENTRAL_SEQ_CONFIGURATION); - tmp &= ~(S5P_CENTRAL_LOWPWR_CFG); - __raw_writel(tmp, S5P_CENTRAL_SEQ_CONFIGURATION); - - /* Setting Central Sequence option Register */ - - tmp = __raw_readl(S5P_CENTRAL_SEQ_OPTION); - tmp &= ~(S5P_USE_MASK); - tmp |= S5P_USE_STANDBY_WFI0; - __raw_writel(tmp, S5P_CENTRAL_SEQ_OPTION); - - /* Clear all interrupt pending to avoid early wakeup */ - - __raw_writel(mask, (S5P_VA_GIC_DIST + 0x280)); - __raw_writel(mask, (S5P_VA_GIC_DIST + 0x284)); - __raw_writel(mask, (S5P_VA_GIC_DIST + 0x288)); - - /* Disable all interrupt */ - - __raw_writel(0x0, (S5P_VA_GIC_CPU + 0x000)); - __raw_writel(0x0, (S5P_VA_GIC_DIST + 0x000)); - __raw_writel(mask, (S5P_VA_GIC_DIST + 0x184)); - __raw_writel(mask, (S5P_VA_GIC_DIST + 0x188)); - - outer_flush_all(); - - /* issue the standby signal into the pm unit. */ - cpu_do_idle(); - - /* we should never get past here */ - panic("sleep resumed to originator?"); -} - -static void exynos4_pm_prepare(void) -{ - u32 tmp; - - s3c_pm_do_save(exynos4_core_save, ARRAY_SIZE(exynos4_core_save)); - s3c_pm_do_save(exynos4_l2cc_save, ARRAY_SIZE(exynos4_l2cc_save)); - - tmp = __raw_readl(S5P_INFORM1); - - /* Set value of power down register for sleep mode */ - - s3c_pm_do_restore_core(exynos4_sleep, ARRAY_SIZE(exynos4_sleep)); - __raw_writel(S5P_CHECK_SLEEP, S5P_INFORM1); - - /* ensure at least INFORM0 has the resume address */ - - __raw_writel(virt_to_phys(s3c_cpu_resume), S5P_INFORM0); - - /* Before enter central sequence mode, clock src register have to set */ - - s3c_pm_do_restore_core(exynos4_set_clksrc, ARRAY_SIZE(exynos4_set_clksrc)); - -} - -static int exynos4_pm_add(struct sys_device *sysdev) -{ - pm_cpu_prep = exynos4_pm_prepare; - pm_cpu_sleep = exynos4_cpu_suspend; - - return 0; -} - -/* This function copy from linux/arch/arm/kernel/smp_scu.c */ - -void exynos4_scu_enable(void __iomem *scu_base) -{ - u32 scu_ctrl; - - scu_ctrl = __raw_readl(scu_base); - /* already enabled? */ - if (scu_ctrl & 1) - return; - - scu_ctrl |= 1; - __raw_writel(scu_ctrl, scu_base); - - /* - * Ensure that the data accessed by CPU0 before the SCU was - * initialised is visible to the other CPUs. - */ - flush_cache_all(); -} - -static struct sysdev_driver exynos4_pm_driver = { - .add = exynos4_pm_add, -}; - -static __init int exynos4_pm_drvinit(void) -{ - unsigned int tmp; - - s3c_pm_init(); - - /* All wakeup disable */ - - tmp = __raw_readl(S5P_WAKEUP_MASK); - tmp |= ((0xFF << 8) | (0x1F << 1)); - __raw_writel(tmp, S5P_WAKEUP_MASK); - - return sysdev_driver_register(&exynos4_sysclass, &exynos4_pm_driver); -} -arch_initcall(exynos4_pm_drvinit); - -static void exynos4_pm_resume(void) -{ - /* For release retention */ - - __raw_writel((1 << 28), S5P_PAD_RET_MAUDIO_OPTION); - __raw_writel((1 << 28), S5P_PAD_RET_GPIO_OPTION); - __raw_writel((1 << 28), S5P_PAD_RET_UART_OPTION); - __raw_writel((1 << 28), S5P_PAD_RET_MMCA_OPTION); - __raw_writel((1 << 28), S5P_PAD_RET_MMCB_OPTION); - __raw_writel((1 << 28), S5P_PAD_RET_EBIA_OPTION); - __raw_writel((1 << 28), S5P_PAD_RET_EBIB_OPTION); - - s3c_pm_do_restore_core(exynos4_core_save, ARRAY_SIZE(exynos4_core_save)); - - exynos4_scu_enable(S5P_VA_SCU); - -#ifdef CONFIG_CACHE_L2X0 - s3c_pm_do_restore_core(exynos4_l2cc_save, ARRAY_SIZE(exynos4_l2cc_save)); - outer_inv_all(); - /* enable L2X0*/ - writel_relaxed(1, S5P_VA_L2CC + L2X0_CTRL); -#endif -} - -static struct syscore_ops exynos4_pm_syscore_ops = { - .resume = exynos4_pm_resume, -}; - -static __init int exynos4_pm_syscore_init(void) -{ - register_syscore_ops(&exynos4_pm_syscore_ops); - return 0; -} -arch_initcall(exynos4_pm_syscore_init); |