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Commit ea31fd43 authored by Jongpill Lee's avatar Jongpill Lee Committed by Kukjin Kim
Browse files

ARM: S5PV210: Add Power Management Support 



This patch adds suspend-to-ram support for S5PV210.
Note. This patch is confirmed on SMDKV210 and SMDKC110 board.

Signed-off-by: default avatarJongpill Lee <boyko.lee@samsung.com>
Signed-off-by: default avatarSangbeom Kim <sbkim73@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent dc425471

arch/arm/mach-s5pv210/Kconfig

+6 −0
Original line number Original line Diff line number Diff line
@@ -13,6 +13,7 @@ config CPU_S5PV210 
	bool

	bool

	select S3C_PL330_DMA

	select S3C_PL330_DMA

	select S5P_EXT_INT

	select S5P_EXT_INT

	select S5PV210_PM if PM

	help

	help

	  Enable S5PV210 CPU support

	  Enable S5PV210 CPU support
@@ -152,4 +153,9 @@ config MACH_TORBRECK 




endmenu

endmenu





config S5PV210_PM

	bool

	help

	  Power Management code common to S5PV210



endif
 
endif

arch/arm/mach-s5pv210/Makefile

+1 −0
Original line number Original line Diff line number Diff line
@@ -14,6 +14,7 @@ obj- := 




obj-$(CONFIG_CPU_S5PV210)	+= cpu.o init.o clock.o dma.o gpiolib.o

obj-$(CONFIG_CPU_S5PV210)	+= cpu.o init.o clock.o dma.o gpiolib.o

obj-$(CONFIG_CPU_S5PV210)	+= setup-i2c0.o

obj-$(CONFIG_CPU_S5PV210)	+= setup-i2c0.o

obj-$(CONFIG_S5PV210_PM)	+= pm.o sleep.o





# machine support

# machine support

arch/arm/mach-s5pv210/include/mach/pm-core.h

0 → 100644
+43 −0
Original line number Original line Diff line number Diff line 
/* linux/arch/arm/mach-s5pv210/include/mach/pm-core.h

 *

 * Copyright (c) 2010 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/

 *

 * S5PV210 - 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.

*/



static inline void s3c_pm_debug_init_uart(void)

{

	/* nothing here yet */

}



static inline void s3c_pm_arch_prepare_irqs(void)

{

	__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-s5pv210/include/mach/regs-clock.h

+5 −2
Original line number Original line Diff line number Diff line
@@ -159,8 +159,11 @@ 
#define S5P_SLEEP_CFG_USBOSC_EN		(1 << 1)

#define S5P_SLEEP_CFG_USBOSC_EN		(1 << 1)





/* OTHERS Resgister */

/* OTHERS Resgister */

#define S5P_OTHERS_RET_IO		(1 << 31)

#define S5P_OTHERS_RET_CF		(1 << 30)

#define S5P_OTHERS_RET_MMC		(1 << 29)

#define S5P_OTHERS_RET_UART		(1 << 28)

#define S5P_OTHERS_USB_SIG_MASK		(1 << 16)

#define S5P_OTHERS_USB_SIG_MASK		(1 << 16)

#define S5P_OTHERS_MIPI_DPHY_EN		(1 << 28)





/* MIPI */

/* MIPI */

#define S5P_MIPI_DPHY_EN		(3)

#define S5P_MIPI_DPHY_EN		(3)

arch/arm/mach-s5pv210/mach-smdkc110.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include <plat/cpu.h>

#include <plat/cpu.h>

#include <plat/ata.h>

#include <plat/ata.h>

#include <plat/iic.h>

#include <plat/iic.h>

#include <plat/pm.h>





/* Following are default values for UCON, ULCON and UFCON UART registers */

/* Following are default values for UCON, ULCON and UFCON UART registers */

#define SMDKC110_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\

#define SMDKC110_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
@@ -110,6 +111,8 @@ static void __init smdkc110_map_io(void) 




static void __init smdkc110_machine_init(void)

static void __init smdkc110_machine_init(void)

{

{

	s3c_pm_init();



	s3c_i2c0_set_platdata(NULL);

	s3c_i2c0_set_platdata(NULL);

	s3c_i2c1_set_platdata(NULL);

	s3c_i2c1_set_platdata(NULL);

	s3c_i2c2_set_platdata(NULL);

	s3c_i2c2_set_platdata(NULL);