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Commit be7004f7 authored by Kukjin Kim's avatar Kukjin Kim
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Merge branch 'next-exynos4-pm' into for-next 

Conflicts:
	arch/arm/mach-exynos4/include/mach/regs-pmu.h
parents 604eefeb 30fe7643
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Showing with 724 additions and 18 deletions
arch/arm/mach-exynos4/Makefile
View file @ be7004f7
......@@ -14,6 +14,7 @@ obj- :=
obj-$(CONFIG_CPU_EXYNOS4210) += cpu.o init.o clock.o irq-combiner.o
obj-$(CONFIG_CPU_EXYNOS4210) += setup-i2c0.o gpiolib.o irq-eint.o dma.o
obj-$(CONFIG_PM) += pm.o sleep.o
obj-$(CONFIG_CPU_FREQ) += cpufreq.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o
......
arch/arm/mach-exynos4/include/mach/pm-core.h 0 → 100644
View file @ be7004f7
/* linux/arch/arm/mach-exynos4/include/mach/pm-core.h
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Based on arch/arm/mach-s3c2410/include/mach/pm-core.h,
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* EXYNOS4210 - PM core support for arch/arm/plat-s5p/pm.c
*
* 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 <mach/regs-pmu.h>
static inline void s3c_pm_debug_init_uart(void)
{
/* nothing here yet */
}
static inline void s3c_pm_arch_prepare_irqs(void)
{
unsigned int tmp;
tmp = __raw_readl(S5P_WAKEUP_MASK);
tmp &= ~(1 << 31);
__raw_writel(tmp, S5P_WAKEUP_MASK);
__raw_writel(s3c_irqwake_intmask, S5P_WAKEUP_MASK);
__raw_writel(s3c_irqwake_eintmask, S5P_EINT_WAKEUP_MASK);
}
static inline void s3c_pm_arch_stop_clocks(void)
{
/* nothing here yet */
}
static inline void s3c_pm_arch_show_resume_irqs(void)
{
/* nothing here yet */
}
static inline void s3c_pm_arch_update_uart(void __iomem *regs,
struct pm_uart_save *save)
{
/* nothing here yet */
}
arch/arm/mach-exynos4/include/mach/regs-clock.h
View file @ be7004f7
......@@ -17,13 +17,13 @@
#define S5P_CLKREG(x) (S5P_VA_CMU + (x))
#define S5P_INFORM0 S5P_CLKREG(0x800)
#define S5P_CLKDIV_LEFTBUS S5P_CLKREG(0x04500)
#define S5P_CLKDIV_STAT_LEFTBUS S5P_CLKREG(0x04600)
#define S5P_CLKGATE_IP_LEFTBUS S5P_CLKREG(0x04800)
#define S5P_CLKDIV_RIGHTBUS S5P_CLKREG(0x08500)
#define S5P_CLKDIV_STAT_RIGHTBUS S5P_CLKREG(0x08600)
#define S5P_CLKGATE_IP_RIGHTBUS S5P_CLKREG(0x08800)
#define S5P_EPLL_CON0 S5P_CLKREG(0x0C110)
#define S5P_EPLL_CON1 S5P_CLKREG(0x0C114)
......@@ -33,18 +33,24 @@
#define S5P_CLKSRC_TOP0 S5P_CLKREG(0x0C210)
#define S5P_CLKSRC_TOP1 S5P_CLKREG(0x0C214)
#define S5P_CLKSRC_CAM S5P_CLKREG(0x0C220)
#define S5P_CLKSRC_MFC S5P_CLKREG(0x0C228)
#define S5P_CLKSRC_IMAGE S5P_CLKREG(0x0C230)
#define S5P_CLKSRC_LCD0 S5P_CLKREG(0x0C234)
#define S5P_CLKSRC_LCD1 S5P_CLKREG(0x0C238)
#define S5P_CLKSRC_MAUDIO S5P_CLKREG(0x0C23C)
#define S5P_CLKSRC_FSYS S5P_CLKREG(0x0C240)
#define S5P_CLKSRC_PERIL0 S5P_CLKREG(0x0C250)
#define S5P_CLKSRC_PERIL1 S5P_CLKREG(0x0C254)
#define S5P_CLKDIV_TOP S5P_CLKREG(0x0C510)
#define S5P_CLKDIV_CAM S5P_CLKREG(0x0C520)
#define S5P_CLKDIV_TV S5P_CLKREG(0x0C524)
#define S5P_CLKDIV_MFC S5P_CLKREG(0x0C528)
#define S5P_CLKDIV_G3D S5P_CLKREG(0x0C52C)
#define S5P_CLKDIV_IMAGE S5P_CLKREG(0x0C530)
#define S5P_CLKDIV_LCD0 S5P_CLKREG(0x0C534)
#define S5P_CLKDIV_LCD1 S5P_CLKREG(0x0C538)
#define S5P_CLKDIV_MAUDIO S5P_CLKREG(0x0C53C)
#define S5P_CLKDIV_FSYS0 S5P_CLKREG(0x0C540)
#define S5P_CLKDIV_FSYS1 S5P_CLKREG(0x0C544)
#define S5P_CLKDIV_FSYS2 S5P_CLKREG(0x0C548)
......@@ -58,25 +64,36 @@
#define S5P_CLKSRC_MASK_TOP S5P_CLKREG(0x0C310)
#define S5P_CLKSRC_MASK_CAM S5P_CLKREG(0x0C320)
#define S5P_CLKSRC_MASK_TV S5P_CLKREG(0x0C324)
#define S5P_CLKSRC_MASK_LCD0 S5P_CLKREG(0x0C334)
#define S5P_CLKSRC_MASK_LCD1 S5P_CLKREG(0x0C338)
#define S5P_CLKSRC_MASK_MAUDIO S5P_CLKREG(0x0C33C)
#define S5P_CLKSRC_MASK_FSYS S5P_CLKREG(0x0C340)
#define S5P_CLKSRC_MASK_PERIL0 S5P_CLKREG(0x0C350)
#define S5P_CLKSRC_MASK_PERIL1 S5P_CLKREG(0x0C354)
#define S5P_CLKDIV_STAT_TOP S5P_CLKREG(0x0C610)
#define S5P_CLKGATE_SCLKCAM S5P_CLKREG(0x0C820)
#define S5P_CLKGATE_IP_CAM S5P_CLKREG(0x0C920)
#define S5P_CLKGATE_IP_TV S5P_CLKREG(0x0C924)
#define S5P_CLKGATE_IP_MFC S5P_CLKREG(0x0C928)
#define S5P_CLKGATE_IP_G3D S5P_CLKREG(0x0C92C)
#define S5P_CLKGATE_IP_IMAGE S5P_CLKREG(0x0C930)
#define S5P_CLKGATE_IP_LCD0 S5P_CLKREG(0x0C934)
#define S5P_CLKGATE_IP_LCD1 S5P_CLKREG(0x0C938)
#define S5P_CLKGATE_IP_FSYS S5P_CLKREG(0x0C940)
#define S5P_CLKGATE_IP_GPS S5P_CLKREG(0x0C94C)
#define S5P_CLKGATE_IP_PERIL S5P_CLKREG(0x0C950)
#define S5P_CLKGATE_IP_PERIR S5P_CLKREG(0x0C960)
#define S5P_CLKGATE_BLOCK S5P_CLKREG(0x0C970)
#define S5P_CLKSRC_MASK_DMC S5P_CLKREG(0x10300)
#define S5P_CLKSRC_DMC S5P_CLKREG(0x10200)
#define S5P_CLKDIV_DMC0 S5P_CLKREG(0x10500)
#define S5P_CLKDIV_DMC1 S5P_CLKREG(0x10504)
#define S5P_CLKDIV_STAT_DMC0 S5P_CLKREG(0x10600)
#define S5P_CLKGATE_IP_DMC S5P_CLKREG(0x10900)
#define S5P_APLL_LOCK S5P_CLKREG(0x14000)
#define S5P_MPLL_LOCK S5P_CLKREG(0x14004)
......@@ -94,6 +111,7 @@
#define S5P_CLKDIV_STATCPU1 S5P_CLKREG(0x14604)
#define S5P_CLKGATE_SCLKCPU S5P_CLKREG(0x14800)
#define S5P_CLKGATE_IP_CPU S5P_CLKREG(0x14900)
/* APLL_LOCK */
#define S5P_APLL_LOCKTIME (0x1C20) /* 300us */
......
arch/arm/mach-exynos4/include/mach/regs-pmu.h
View file @ be7004f7
......@@ -15,21 +15,146 @@
#include <mach/map.h>
#define S5P_PMUREG(x) (S5P_VA_PMU + (x))
#define S5P_MIPI_DPHY_CONTROL(n) S5P_PMUREG(0x0710 + (n) * 4)
#define S5P_MIPI_DPHY_ENABLE (1 << 0)
#define S5P_MIPI_DPHY_SRESETN (1 << 1)
#define S5P_MIPI_DPHY_MRESETN (1 << 2)
#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_PMUREG(x) (S5P_VA_PMU + (x))
#define S5P_CENTRAL_SEQ_CONFIGURATION S5P_PMUREG(0x0200)
#define S5P_CENTRAL_LOWPWR_CFG (1 << 16)
#define S5P_CENTRAL_SEQ_OPTION S5P_PMUREG(0x0208)
#define S5P_USE_STANDBY_WFI0 (1 << 16)
#define S5P_USE_STANDBY_WFI1 (1 << 17)
#define S5P_USE_STANDBY_WFE0 (1 << 24)
#define S5P_USE_STANDBY_WFE1 (1 << 25)
#define S5P_USE_MASK ((0x3 << 16) | (0x3 << 24))
#define S5P_WAKEUP_STAT S5P_PMUREG(0x0600)
#define S5P_EINT_WAKEUP_MASK S5P_PMUREG(0x0604)
#define S5P_WAKEUP_MASK S5P_PMUREG(0x0608)
#define S5P_MIPI_DPHY_CONTROL(n) S5P_PMUREG(0x0710 + (n) * 4)
#define S5P_MIPI_DPHY_ENABLE (1 << 0)
#define S5P_MIPI_DPHY_SRESETN (1 << 1)
#define S5P_MIPI_DPHY_MRESETN (1 << 2)
#define S5P_INFORM0 S5P_PMUREG(0x0800)
#define S5P_INFORM1 S5P_PMUREG(0x0804)
#define S5P_INFORM2 S5P_PMUREG(0x0808)
#define S5P_INFORM3 S5P_PMUREG(0x080C)
#define S5P_INFORM4 S5P_PMUREG(0x0810)
#define S5P_INFORM5 S5P_PMUREG(0x0814)
#define S5P_INFORM6 S5P_PMUREG(0x0818)
#define S5P_INFORM7 S5P_PMUREG(0x081C)
#define S5P_ARM_CORE0_LOWPWR S5P_PMUREG(0x1000)
#define S5P_DIS_IRQ_CORE0 S5P_PMUREG(0x1004)
#define S5P_DIS_IRQ_CENTRAL0 S5P_PMUREG(0x1008)
#define S5P_ARM_CORE1_LOWPWR S5P_PMUREG(0x1010)
#define S5P_DIS_IRQ_CORE1 S5P_PMUREG(0x1014)
#define S5P_DIS_IRQ_CENTRAL1 S5P_PMUREG(0x1018)
#define S5P_ARM_COMMON_LOWPWR S5P_PMUREG(0x1080)
#define S5P_L2_0_LOWPWR S5P_PMUREG(0x10C0)
#define S5P_L2_1_LOWPWR S5P_PMUREG(0x10C4)
#define S5P_CMU_ACLKSTOP_LOWPWR S5P_PMUREG(0x1100)
#define S5P_CMU_SCLKSTOP_LOWPWR S5P_PMUREG(0x1104)
#define S5P_CMU_RESET_LOWPWR S5P_PMUREG(0x110C)
#define S5P_APLL_SYSCLK_LOWPWR S5P_PMUREG(0x1120)
#define S5P_MPLL_SYSCLK_LOWPWR S5P_PMUREG(0x1124)
#define S5P_VPLL_SYSCLK_LOWPWR S5P_PMUREG(0x1128)
#define S5P_EPLL_SYSCLK_LOWPWR S5P_PMUREG(0x112C)
#define S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR S5P_PMUREG(0x1138)
#define S5P_CMU_RESET_GPSALIVE_LOWPWR S5P_PMUREG(0x113C)
#define S5P_CMU_CLKSTOP_CAM_LOWPWR S5P_PMUREG(0x1140)
#define S5P_CMU_CLKSTOP_TV_LOWPWR S5P_PMUREG(0x1144)
#define S5P_CMU_CLKSTOP_MFC_LOWPWR S5P_PMUREG(0x1148)
#define S5P_CMU_CLKSTOP_G3D_LOWPWR S5P_PMUREG(0x114C)
#define S5P_CMU_CLKSTOP_LCD0_LOWPWR S5P_PMUREG(0x1150)
#define S5P_CMU_CLKSTOP_LCD1_LOWPWR S5P_PMUREG(0x1154)
#define S5P_CMU_CLKSTOP_MAUDIO_LOWPWR S5P_PMUREG(0x1158)
#define S5P_CMU_CLKSTOP_GPS_LOWPWR S5P_PMUREG(0x115C)
#define S5P_CMU_RESET_CAM_LOWPWR S5P_PMUREG(0x1160)
#define S5P_CMU_RESET_TV_LOWPWR S5P_PMUREG(0x1164)
#define S5P_CMU_RESET_MFC_LOWPWR S5P_PMUREG(0x1168)
#define S5P_CMU_RESET_G3D_LOWPWR S5P_PMUREG(0x116C)
#define S5P_CMU_RESET_LCD0_LOWPWR S5P_PMUREG(0x1170)
#define S5P_CMU_RESET_LCD1_LOWPWR S5P_PMUREG(0x1174)
#define S5P_CMU_RESET_MAUDIO_LOWPWR S5P_PMUREG(0x1178)
#define S5P_CMU_RESET_GPS_LOWPWR S5P_PMUREG(0x117C)
#define S5P_TOP_BUS_LOWPWR S5P_PMUREG(0x1180)
#define S5P_TOP_RETENTION_LOWPWR S5P_PMUREG(0x1184)
#define S5P_TOP_PWR_LOWPWR S5P_PMUREG(0x1188)
#define S5P_LOGIC_RESET_LOWPWR S5P_PMUREG(0x11A0)
#define S5P_ONENAND_MEM_LOWPWR S5P_PMUREG(0x11C0)
#define S5P_MODIMIF_MEM_LOWPWR S5P_PMUREG(0x11C4)
#define S5P_G2D_ACP_MEM_LOWPWR S5P_PMUREG(0x11C8)
#define S5P_USBOTG_MEM_LOWPWR S5P_PMUREG(0x11CC)
#define S5P_HSMMC_MEM_LOWPWR S5P_PMUREG(0x11D0)
#define S5P_CSSYS_MEM_LOWPWR S5P_PMUREG(0x11D4)
#define S5P_SECSS_MEM_LOWPWR S5P_PMUREG(0x11D8)
#define S5P_PCIE_MEM_LOWPWR S5P_PMUREG(0x11E0)
#define S5P_SATA_MEM_LOWPWR S5P_PMUREG(0x11E4)
#define S5P_PAD_RETENTION_DRAM_LOWPWR S5P_PMUREG(0x1200)
#define S5P_PAD_RETENTION_MAUDIO_LOWPWR S5P_PMUREG(0x1204)
#define S5P_PAD_RETENTION_GPIO_LOWPWR S5P_PMUREG(0x1220)
#define S5P_PAD_RETENTION_UART_LOWPWR S5P_PMUREG(0x1224)
#define S5P_PAD_RETENTION_MMCA_LOWPWR S5P_PMUREG(0x1228)
#define S5P_PAD_RETENTION_MMCB_LOWPWR S5P_PMUREG(0x122C)
#define S5P_PAD_RETENTION_EBIA_LOWPWR S5P_PMUREG(0x1230)
#define S5P_PAD_RETENTION_EBIB_LOWPWR S5P_PMUREG(0x1234)
#define S5P_PAD_RETENTION_ISOLATION_LOWPWR S5P_PMUREG(0x1240)
#define S5P_PAD_RETENTION_ALV_SEL_LOWPWR S5P_PMUREG(0x1260)
#define S5P_XUSBXTI_LOWPWR S5P_PMUREG(0x1280)
#define S5P_XXTI_LOWPWR S5P_PMUREG(0x1284)
#define S5P_EXT_REGULATOR_LOWPWR S5P_PMUREG(0x12C0)
#define S5P_GPIO_MODE_LOWPWR S5P_PMUREG(0x1300)
#define S5P_GPIO_MODE_MAUDIO_LOWPWR S5P_PMUREG(0x1340)
#define S5P_CAM_LOWPWR S5P_PMUREG(0x1380)
#define S5P_TV_LOWPWR S5P_PMUREG(0x1384)
#define S5P_MFC_LOWPWR S5P_PMUREG(0x1388)
#define S5P_G3D_LOWPWR S5P_PMUREG(0x138C)
#define S5P_LCD0_LOWPWR S5P_PMUREG(0x1390)
#define S5P_LCD1_LOWPWR S5P_PMUREG(0x1394)
#define S5P_MAUDIO_LOWPWR S5P_PMUREG(0x1398)
#define S5P_GPS_LOWPWR S5P_PMUREG(0x139C)
#define S5P_GPS_ALIVE_LOWPWR S5P_PMUREG(0x13A0)
#define S5P_ARM_CORE0_CONFIGURATION S5P_PMUREG(0x2000)
#define S5P_ARM_CORE0_OPTION S5P_PMUREG(0x2008)
#define S5P_ARM_CORE1_CONFIGURATION S5P_PMUREG(0x2080)
#define S5P_ARM_CORE1_STATUS S5P_PMUREG(0x2084)
#define S5P_ARM_CORE1_OPTION S5P_PMUREG(0x2088)
#define S5P_ARM_COMMON_OPTION S5P_PMUREG(0x2408)
#define S5P_TOP_PWR_OPTION S5P_PMUREG(0x2C48)
#define S5P_CAM_OPTION S5P_PMUREG(0x3C08)
#define S5P_TV_OPTION S5P_PMUREG(0x3C28)
#define S5P_MFC_OPTION S5P_PMUREG(0x3C48)
#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 */
arch/arm/mach-exynos4/pm.c 0 → 100644
View file @ be7004f7
This diff is collapsed.
arch/arm/mach-exynos4/sleep.S 0 → 100644
View file @ be7004f7
/* 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
arch/arm/mach-exynos4/time.c
View file @ be7004f7
......@@ -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)
......
arch/arm/plat-samsung/include/plat/cpu.h
View file @ be7004f7
......@@ -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);
......
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