Merge branch 'next-exynos4-pm' into for-next
Conflicts: arch/arm/mach-exynos4/include/mach/regs-pmu.h
This commit is contained in:
Kukjin Kim
commit
be7004f73d
8 changed files with 721 additions and 15 deletions
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@ -14,6 +14,7 @@ obj- :=
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obj-$(CONFIG_CPU_EXYNOS4210) += cpu.o init.o clock.o irq-combiner.o
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obj-$(CONFIG_CPU_EXYNOS4210) += setup-i2c0.o gpiolib.o irq-eint.o dma.o
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obj-$(CONFIG_PM) += pm.o sleep.o
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obj-$(CONFIG_CPU_FREQ) += cpufreq.o
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obj-$(CONFIG_SMP) += platsmp.o headsmp.o
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49
arch/arm/mach-exynos4/include/mach/pm-core.h
Normal file
49
arch/arm/mach-exynos4/include/mach/pm-core.h
Normal file
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@ -0,0 +1,49 @@
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/* linux/arch/arm/mach-exynos4/include/mach/pm-core.h
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Based on arch/arm/mach-s3c2410/include/mach/pm-core.h,
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* Copyright 2008 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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* http://armlinux.simtec.co.uk/
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*
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* EXYNOS4210 - PM core support for arch/arm/plat-s5p/pm.c
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <mach/regs-pmu.h>
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static inline void s3c_pm_debug_init_uart(void)
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{
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/* nothing here yet */
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}
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static inline void s3c_pm_arch_prepare_irqs(void)
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{
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unsigned int tmp;
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tmp = __raw_readl(S5P_WAKEUP_MASK);
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tmp &= ~(1 << 31);
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__raw_writel(tmp, S5P_WAKEUP_MASK);
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__raw_writel(s3c_irqwake_intmask, S5P_WAKEUP_MASK);
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__raw_writel(s3c_irqwake_eintmask, S5P_EINT_WAKEUP_MASK);
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}
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static inline void s3c_pm_arch_stop_clocks(void)
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{
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/* nothing here yet */
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}
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static inline void s3c_pm_arch_show_resume_irqs(void)
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{
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/* nothing here yet */
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}
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static inline void s3c_pm_arch_update_uart(void __iomem *regs,
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struct pm_uart_save *save)
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{
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/* nothing here yet */
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}
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@ -17,13 +17,13 @@
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#define S5P_CLKREG(x) (S5P_VA_CMU + (x))
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#define S5P_INFORM0 S5P_CLKREG(0x800)
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#define S5P_CLKDIV_LEFTBUS S5P_CLKREG(0x04500)
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#define S5P_CLKDIV_STAT_LEFTBUS S5P_CLKREG(0x04600)
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#define S5P_CLKGATE_IP_LEFTBUS S5P_CLKREG(0x04800)
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#define S5P_CLKDIV_RIGHTBUS S5P_CLKREG(0x08500)
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#define S5P_CLKDIV_STAT_RIGHTBUS S5P_CLKREG(0x08600)
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#define S5P_CLKGATE_IP_RIGHTBUS S5P_CLKREG(0x08800)
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#define S5P_EPLL_CON0 S5P_CLKREG(0x0C110)
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#define S5P_EPLL_CON1 S5P_CLKREG(0x0C114)
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@ -33,18 +33,24 @@
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#define S5P_CLKSRC_TOP0 S5P_CLKREG(0x0C210)
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#define S5P_CLKSRC_TOP1 S5P_CLKREG(0x0C214)
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#define S5P_CLKSRC_CAM S5P_CLKREG(0x0C220)
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#define S5P_CLKSRC_MFC S5P_CLKREG(0x0C228)
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#define S5P_CLKSRC_IMAGE S5P_CLKREG(0x0C230)
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#define S5P_CLKSRC_LCD0 S5P_CLKREG(0x0C234)
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#define S5P_CLKSRC_LCD1 S5P_CLKREG(0x0C238)
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#define S5P_CLKSRC_MAUDIO S5P_CLKREG(0x0C23C)
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#define S5P_CLKSRC_FSYS S5P_CLKREG(0x0C240)
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#define S5P_CLKSRC_PERIL0 S5P_CLKREG(0x0C250)
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#define S5P_CLKSRC_PERIL1 S5P_CLKREG(0x0C254)
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#define S5P_CLKDIV_TOP S5P_CLKREG(0x0C510)
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#define S5P_CLKDIV_CAM S5P_CLKREG(0x0C520)
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#define S5P_CLKDIV_TV S5P_CLKREG(0x0C524)
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#define S5P_CLKDIV_MFC S5P_CLKREG(0x0C528)
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#define S5P_CLKDIV_G3D S5P_CLKREG(0x0C52C)
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#define S5P_CLKDIV_IMAGE S5P_CLKREG(0x0C530)
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#define S5P_CLKDIV_LCD0 S5P_CLKREG(0x0C534)
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#define S5P_CLKDIV_LCD1 S5P_CLKREG(0x0C538)
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#define S5P_CLKDIV_MAUDIO S5P_CLKREG(0x0C53C)
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#define S5P_CLKDIV_FSYS0 S5P_CLKREG(0x0C540)
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#define S5P_CLKDIV_FSYS1 S5P_CLKREG(0x0C544)
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#define S5P_CLKDIV_FSYS2 S5P_CLKREG(0x0C548)
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@ -58,25 +64,36 @@
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#define S5P_CLKSRC_MASK_TOP S5P_CLKREG(0x0C310)
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#define S5P_CLKSRC_MASK_CAM S5P_CLKREG(0x0C320)
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#define S5P_CLKSRC_MASK_TV S5P_CLKREG(0x0C324)
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#define S5P_CLKSRC_MASK_LCD0 S5P_CLKREG(0x0C334)
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#define S5P_CLKSRC_MASK_LCD1 S5P_CLKREG(0x0C338)
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#define S5P_CLKSRC_MASK_MAUDIO S5P_CLKREG(0x0C33C)
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#define S5P_CLKSRC_MASK_FSYS S5P_CLKREG(0x0C340)
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#define S5P_CLKSRC_MASK_PERIL0 S5P_CLKREG(0x0C350)
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#define S5P_CLKSRC_MASK_PERIL1 S5P_CLKREG(0x0C354)
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#define S5P_CLKDIV_STAT_TOP S5P_CLKREG(0x0C610)
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#define S5P_CLKGATE_SCLKCAM S5P_CLKREG(0x0C820)
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#define S5P_CLKGATE_IP_CAM S5P_CLKREG(0x0C920)
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#define S5P_CLKGATE_IP_TV S5P_CLKREG(0x0C924)
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#define S5P_CLKGATE_IP_MFC S5P_CLKREG(0x0C928)
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#define S5P_CLKGATE_IP_G3D S5P_CLKREG(0x0C92C)
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#define S5P_CLKGATE_IP_IMAGE S5P_CLKREG(0x0C930)
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#define S5P_CLKGATE_IP_LCD0 S5P_CLKREG(0x0C934)
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#define S5P_CLKGATE_IP_LCD1 S5P_CLKREG(0x0C938)
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#define S5P_CLKGATE_IP_FSYS S5P_CLKREG(0x0C940)
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#define S5P_CLKGATE_IP_GPS S5P_CLKREG(0x0C94C)
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#define S5P_CLKGATE_IP_PERIL S5P_CLKREG(0x0C950)
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#define S5P_CLKGATE_IP_PERIR S5P_CLKREG(0x0C960)
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#define S5P_CLKGATE_BLOCK S5P_CLKREG(0x0C970)
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#define S5P_CLKSRC_MASK_DMC S5P_CLKREG(0x10300)
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#define S5P_CLKSRC_DMC S5P_CLKREG(0x10200)
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#define S5P_CLKDIV_DMC0 S5P_CLKREG(0x10500)
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#define S5P_CLKDIV_DMC1 S5P_CLKREG(0x10504)
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#define S5P_CLKDIV_STAT_DMC0 S5P_CLKREG(0x10600)
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#define S5P_CLKGATE_IP_DMC S5P_CLKREG(0x10900)
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#define S5P_APLL_LOCK S5P_CLKREG(0x14000)
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#define S5P_MPLL_LOCK S5P_CLKREG(0x14004)
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@ -94,6 +111,7 @@
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#define S5P_CLKDIV_STATCPU1 S5P_CLKREG(0x14604)
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#define S5P_CLKGATE_SCLKCPU S5P_CLKREG(0x14800)
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#define S5P_CLKGATE_IP_CPU S5P_CLKREG(0x14900)
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/* APLL_LOCK */
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#define S5P_APLL_LOCKTIME (0x1C20) /* 300us */
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@ -15,21 +15,146 @@
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#include <mach/map.h>
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#define S5P_PMUREG(x) (S5P_VA_PMU + (x))
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#define S5P_PMUREG(x) (S5P_VA_PMU + (x))
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#define S5P_MIPI_DPHY_CONTROL(n) S5P_PMUREG(0x0710 + (n) * 4)
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#define S5P_MIPI_DPHY_ENABLE (1 << 0)
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#define S5P_MIPI_DPHY_SRESETN (1 << 1)
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#define S5P_MIPI_DPHY_MRESETN (1 << 2)
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#define S5P_CENTRAL_SEQ_CONFIGURATION S5P_PMUREG(0x0200)
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#define S5P_PMU_CAM_CONF S5P_PMUREG(0x3C00)
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#define S5P_PMU_TV_CONF S5P_PMUREG(0x3C20)
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#define S5P_PMU_MFC_CONF S5P_PMUREG(0x3C40)
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#define S5P_PMU_G3D_CONF S5P_PMUREG(0x3C60)
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#define S5P_PMU_LCD0_CONF S5P_PMUREG(0x3C80)
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#define S5P_PMU_LCD1_CONF S5P_PMUREG(0x3CA0)
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#define S5P_PMU_GPS_CONF S5P_PMUREG(0x3CE0)
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#define S5P_CENTRAL_LOWPWR_CFG (1 << 16)
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#define S5P_INT_LOCAL_PWR_EN 0x7
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#define S5P_CENTRAL_SEQ_OPTION S5P_PMUREG(0x0208)
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#define S5P_USE_STANDBY_WFI0 (1 << 16)
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#define S5P_USE_STANDBY_WFI1 (1 << 17)
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#define S5P_USE_STANDBY_WFE0 (1 << 24)
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#define S5P_USE_STANDBY_WFE1 (1 << 25)
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#define S5P_USE_MASK ((0x3 << 16) | (0x3 << 24))
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#define S5P_WAKEUP_STAT S5P_PMUREG(0x0600)
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#define S5P_EINT_WAKEUP_MASK S5P_PMUREG(0x0604)
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#define S5P_WAKEUP_MASK S5P_PMUREG(0x0608)
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#define S5P_MIPI_DPHY_CONTROL(n) S5P_PMUREG(0x0710 + (n) * 4)
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#define S5P_MIPI_DPHY_ENABLE (1 << 0)
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#define S5P_MIPI_DPHY_SRESETN (1 << 1)
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#define S5P_MIPI_DPHY_MRESETN (1 << 2)
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#define S5P_INFORM0 S5P_PMUREG(0x0800)
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#define S5P_INFORM1 S5P_PMUREG(0x0804)
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#define S5P_INFORM2 S5P_PMUREG(0x0808)
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#define S5P_INFORM3 S5P_PMUREG(0x080C)
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#define S5P_INFORM4 S5P_PMUREG(0x0810)
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#define S5P_INFORM5 S5P_PMUREG(0x0814)
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#define S5P_INFORM6 S5P_PMUREG(0x0818)
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#define S5P_INFORM7 S5P_PMUREG(0x081C)
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#define S5P_ARM_CORE0_LOWPWR S5P_PMUREG(0x1000)
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#define S5P_DIS_IRQ_CORE0 S5P_PMUREG(0x1004)
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#define S5P_DIS_IRQ_CENTRAL0 S5P_PMUREG(0x1008)
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#define S5P_ARM_CORE1_LOWPWR S5P_PMUREG(0x1010)
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#define S5P_DIS_IRQ_CORE1 S5P_PMUREG(0x1014)
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#define S5P_DIS_IRQ_CENTRAL1 S5P_PMUREG(0x1018)
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#define S5P_ARM_COMMON_LOWPWR S5P_PMUREG(0x1080)
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#define S5P_L2_0_LOWPWR S5P_PMUREG(0x10C0)
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#define S5P_L2_1_LOWPWR S5P_PMUREG(0x10C4)
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#define S5P_CMU_ACLKSTOP_LOWPWR S5P_PMUREG(0x1100)
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#define S5P_CMU_SCLKSTOP_LOWPWR S5P_PMUREG(0x1104)
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#define S5P_CMU_RESET_LOWPWR S5P_PMUREG(0x110C)
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#define S5P_APLL_SYSCLK_LOWPWR S5P_PMUREG(0x1120)
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#define S5P_MPLL_SYSCLK_LOWPWR S5P_PMUREG(0x1124)
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#define S5P_VPLL_SYSCLK_LOWPWR S5P_PMUREG(0x1128)
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#define S5P_EPLL_SYSCLK_LOWPWR S5P_PMUREG(0x112C)
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#define S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR S5P_PMUREG(0x1138)
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#define S5P_CMU_RESET_GPSALIVE_LOWPWR S5P_PMUREG(0x113C)
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#define S5P_CMU_CLKSTOP_CAM_LOWPWR S5P_PMUREG(0x1140)
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#define S5P_CMU_CLKSTOP_TV_LOWPWR S5P_PMUREG(0x1144)
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#define S5P_CMU_CLKSTOP_MFC_LOWPWR S5P_PMUREG(0x1148)
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#define S5P_CMU_CLKSTOP_G3D_LOWPWR S5P_PMUREG(0x114C)
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#define S5P_CMU_CLKSTOP_LCD0_LOWPWR S5P_PMUREG(0x1150)
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#define S5P_CMU_CLKSTOP_LCD1_LOWPWR S5P_PMUREG(0x1154)
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#define S5P_CMU_CLKSTOP_MAUDIO_LOWPWR S5P_PMUREG(0x1158)
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#define S5P_CMU_CLKSTOP_GPS_LOWPWR S5P_PMUREG(0x115C)
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#define S5P_CMU_RESET_CAM_LOWPWR S5P_PMUREG(0x1160)
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#define S5P_CMU_RESET_TV_LOWPWR S5P_PMUREG(0x1164)
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#define S5P_CMU_RESET_MFC_LOWPWR S5P_PMUREG(0x1168)
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#define S5P_CMU_RESET_G3D_LOWPWR S5P_PMUREG(0x116C)
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#define S5P_CMU_RESET_LCD0_LOWPWR S5P_PMUREG(0x1170)
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#define S5P_CMU_RESET_LCD1_LOWPWR S5P_PMUREG(0x1174)
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#define S5P_CMU_RESET_MAUDIO_LOWPWR S5P_PMUREG(0x1178)
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#define S5P_CMU_RESET_GPS_LOWPWR S5P_PMUREG(0x117C)
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#define S5P_TOP_BUS_LOWPWR S5P_PMUREG(0x1180)
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#define S5P_TOP_RETENTION_LOWPWR S5P_PMUREG(0x1184)
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#define S5P_TOP_PWR_LOWPWR S5P_PMUREG(0x1188)
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#define S5P_LOGIC_RESET_LOWPWR S5P_PMUREG(0x11A0)
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#define S5P_ONENAND_MEM_LOWPWR S5P_PMUREG(0x11C0)
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#define S5P_MODIMIF_MEM_LOWPWR S5P_PMUREG(0x11C4)
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#define S5P_G2D_ACP_MEM_LOWPWR S5P_PMUREG(0x11C8)
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#define S5P_USBOTG_MEM_LOWPWR S5P_PMUREG(0x11CC)
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#define S5P_HSMMC_MEM_LOWPWR S5P_PMUREG(0x11D0)
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#define S5P_CSSYS_MEM_LOWPWR S5P_PMUREG(0x11D4)
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#define S5P_SECSS_MEM_LOWPWR S5P_PMUREG(0x11D8)
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#define S5P_PCIE_MEM_LOWPWR S5P_PMUREG(0x11E0)
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#define S5P_SATA_MEM_LOWPWR S5P_PMUREG(0x11E4)
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#define S5P_PAD_RETENTION_DRAM_LOWPWR S5P_PMUREG(0x1200)
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#define S5P_PAD_RETENTION_MAUDIO_LOWPWR S5P_PMUREG(0x1204)
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#define S5P_PAD_RETENTION_GPIO_LOWPWR S5P_PMUREG(0x1220)
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#define S5P_PAD_RETENTION_UART_LOWPWR S5P_PMUREG(0x1224)
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#define S5P_PAD_RETENTION_MMCA_LOWPWR S5P_PMUREG(0x1228)
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#define S5P_PAD_RETENTION_MMCB_LOWPWR S5P_PMUREG(0x122C)
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#define S5P_PAD_RETENTION_EBIA_LOWPWR S5P_PMUREG(0x1230)
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#define S5P_PAD_RETENTION_EBIB_LOWPWR S5P_PMUREG(0x1234)
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#define S5P_PAD_RETENTION_ISOLATION_LOWPWR S5P_PMUREG(0x1240)
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#define S5P_PAD_RETENTION_ALV_SEL_LOWPWR S5P_PMUREG(0x1260)
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#define S5P_XUSBXTI_LOWPWR S5P_PMUREG(0x1280)
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#define S5P_XXTI_LOWPWR S5P_PMUREG(0x1284)
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#define S5P_EXT_REGULATOR_LOWPWR S5P_PMUREG(0x12C0)
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#define S5P_GPIO_MODE_LOWPWR S5P_PMUREG(0x1300)
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#define S5P_GPIO_MODE_MAUDIO_LOWPWR S5P_PMUREG(0x1340)
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#define S5P_CAM_LOWPWR S5P_PMUREG(0x1380)
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#define S5P_TV_LOWPWR S5P_PMUREG(0x1384)
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#define S5P_MFC_LOWPWR S5P_PMUREG(0x1388)
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#define S5P_G3D_LOWPWR S5P_PMUREG(0x138C)
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#define S5P_LCD0_LOWPWR S5P_PMUREG(0x1390)
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#define S5P_LCD1_LOWPWR S5P_PMUREG(0x1394)
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#define S5P_MAUDIO_LOWPWR S5P_PMUREG(0x1398)
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#define S5P_GPS_LOWPWR S5P_PMUREG(0x139C)
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#define S5P_GPS_ALIVE_LOWPWR S5P_PMUREG(0x13A0)
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#define S5P_ARM_CORE0_CONFIGURATION S5P_PMUREG(0x2000)
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#define S5P_ARM_CORE0_OPTION S5P_PMUREG(0x2008)
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#define S5P_ARM_CORE1_CONFIGURATION S5P_PMUREG(0x2080)
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#define S5P_ARM_CORE1_STATUS S5P_PMUREG(0x2084)
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#define S5P_ARM_CORE1_OPTION S5P_PMUREG(0x2088)
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#define S5P_ARM_COMMON_OPTION S5P_PMUREG(0x2408)
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#define S5P_TOP_PWR_OPTION S5P_PMUREG(0x2C48)
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#define S5P_CAM_OPTION S5P_PMUREG(0x3C08)
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#define S5P_TV_OPTION S5P_PMUREG(0x3C28)
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#define S5P_MFC_OPTION S5P_PMUREG(0x3C48)
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#define S5P_G3D_OPTION S5P_PMUREG(0x3C68)
|
||||
#define S5P_LCD0_OPTION S5P_PMUREG(0x3C88)
|
||||
#define S5P_LCD1_OPTION S5P_PMUREG(0x3CA8)
|
||||
#define S5P_MAUDIO_OPTION S5P_PMUREG(0x3CC8)
|
||||
#define S5P_GPS_OPTION S5P_PMUREG(0x3CE8)
|
||||
#define S5P_GPS_ALIVE_OPTION S5P_PMUREG(0x3D08)
|
||||
|
||||
#define S5P_PAD_RET_MAUDIO_OPTION S5P_PMUREG(0x3028)
|
||||
#define S5P_PAD_RET_GPIO_OPTION S5P_PMUREG(0x3108)
|
||||
#define S5P_PAD_RET_UART_OPTION S5P_PMUREG(0x3128)
|
||||
#define S5P_PAD_RET_MMCA_OPTION S5P_PMUREG(0x3148)
|
||||
#define S5P_PAD_RET_MMCB_OPTION S5P_PMUREG(0x3168)
|
||||
#define S5P_PAD_RET_EBIA_OPTION S5P_PMUREG(0x3188)
|
||||
#define S5P_PAD_RET_EBIB_OPTION S5P_PMUREG(0x31A8)
|
||||
|
||||
#define S5P_PMU_CAM_CONF S5P_PMUREG(0x3C00)
|
||||
#define S5P_PMU_TV_CONF S5P_PMUREG(0x3C20)
|
||||
#define S5P_PMU_MFC_CONF S5P_PMUREG(0x3C40)
|
||||
#define S5P_PMU_G3D_CONF S5P_PMUREG(0x3C60)
|
||||
#define S5P_PMU_LCD0_CONF S5P_PMUREG(0x3C80)
|
||||
#define S5P_PMU_LCD1_CONF S5P_PMUREG(0x3CA0)
|
||||
#define S5P_PMU_GPS_CONF S5P_PMUREG(0x3CE0)
|
||||
|
||||
#define S5P_INT_LOCAL_PWR_EN 0x7
|
||||
|
||||
#define S5P_CHECK_SLEEP 0x00000BAD
|
||||
|
||||
#endif /* __ASM_ARCH_REGS_PMU_H */
|
||||
|
|
|
|||
420
arch/arm/mach-exynos4/pm.c
Normal file
420
arch/arm/mach-exynos4/pm.c
Normal file
|
|
@ -0,0 +1,420 @@
|
|||
/* 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/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),
|
||||
};
|
||||
|
||||
void exynos4_cpu_suspend(void)
|
||||
{
|
||||
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 int exynos4_pm_resume(struct sys_device *dev)
|
||||
{
|
||||
/* 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
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct sysdev_driver exynos4_pm_driver = {
|
||||
.add = exynos4_pm_add,
|
||||
.resume = exynos4_pm_resume,
|
||||
};
|
||||
|
||||
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);
|
||||
76
arch/arm/mach-exynos4/sleep.S
Normal file
76
arch/arm/mach-exynos4/sleep.S
Normal file
|
|
@ -0,0 +1,76 @@
|
|||
/* linux/arch/arm/mach-exynos4/sleep.S
|
||||
*
|
||||
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
|
||||
* http://www.samsung.com
|
||||
*
|
||||
* EXYNOS4210 power Manager (Suspend-To-RAM) support
|
||||
* Based on S3C2410 sleep code by:
|
||||
* Ben Dooks, (c) 2004 Simtec Electronics
|
||||
*
|
||||
* Based on PXA/SA1100 sleep code by:
|
||||
* Nicolas Pitre, (c) 2002 Monta Vista Software Inc
|
||||
* Cliff Brake, (c) 2001
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <linux/linkage.h>
|
||||
#include <asm/assembler.h>
|
||||
#include <asm/memory.h>
|
||||
|
||||
.text
|
||||
|
||||
/*
|
||||
* s3c_cpu_save
|
||||
*
|
||||
* entry:
|
||||
* r1 = v:p offset
|
||||
*/
|
||||
|
||||
ENTRY(s3c_cpu_save)
|
||||
|
||||
stmfd sp!, { r3 - r12, lr }
|
||||
ldr r3, =resume_with_mmu
|
||||
bl cpu_suspend
|
||||
|
||||
ldr r0, =pm_cpu_sleep
|
||||
ldr r0, [ r0 ]
|
||||
mov pc, r0
|
||||
|
||||
resume_with_mmu:
|
||||
ldmfd sp!, { r3 - r12, pc }
|
||||
|
||||
.ltorg
|
||||
|
||||
/*
|
||||
* sleep magic, to allow the bootloader to check for an valid
|
||||
* image to resume to. Must be the first word before the
|
||||
* s3c_cpu_resume entry.
|
||||
*/
|
||||
|
||||
.word 0x2bedf00d
|
||||
|
||||
/*
|
||||
* s3c_cpu_resume
|
||||
*
|
||||
* resume code entry for bootloader to call
|
||||
*
|
||||
* we must put this code here in the data segment as we have no
|
||||
* other way of restoring the stack pointer after sleep, and we
|
||||
* must not write to the code segment (code is read-only)
|
||||
*/
|
||||
|
||||
ENTRY(s3c_cpu_resume)
|
||||
b cpu_resume
|
||||
|
|
@ -206,12 +206,28 @@ static cycle_t exynos4_pwm4_read(struct clocksource *cs)
|
|||
return (cycle_t) ~__raw_readl(S3C_TIMERREG(0x40));
|
||||
}
|
||||
|
||||
static void exynos4_pwm4_resume(struct clocksource *cs)
|
||||
{
|
||||
unsigned long pclk;
|
||||
|
||||
pclk = clk_get_rate(timerclk);
|
||||
|
||||
clk_set_rate(tdiv4, pclk / 2);
|
||||
clk_set_parent(tin4, tdiv4);
|
||||
|
||||
exynos4_pwm_init(4, ~0);
|
||||
exynos4_pwm_start(4, 1);
|
||||
}
|
||||
|
||||
struct clocksource pwm_clocksource = {
|
||||
.name = "pwm_timer4",
|
||||
.rating = 250,
|
||||
.read = exynos4_pwm4_read,
|
||||
.mask = CLOCKSOURCE_MASK(32),
|
||||
.flags = CLOCK_SOURCE_IS_CONTINUOUS ,
|
||||
#ifdef CONFIG_PM
|
||||
.resume = exynos4_pwm4_resume,
|
||||
#endif
|
||||
};
|
||||
|
||||
static void __init exynos4_clocksource_init(void)
|
||||
|
|
|
|||
|
|
@ -82,6 +82,7 @@ extern struct sysdev_class s3c64xx_sysclass;
|
|||
extern struct sysdev_class s5p64x0_sysclass;
|
||||
extern struct sysdev_class s5p6442_sysclass;
|
||||
extern struct sysdev_class s5pv210_sysclass;
|
||||
extern struct sysdev_class exynos4_sysclass;
|
||||
|
||||
extern void (*s5pc1xx_idle)(void);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue