---

yaml
---
r: 221090
b: refs/heads/master
c: ea31fd4
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dc425471b6d4e2a3c1d74745433816fc313f30e7
+refs/heads/master: ea31fd4330c823bd156d6484e32a0777c35f200f

trunk/arch/arm/mach-s5pv210/Kconfig

@@ -13,6 +13,7 @@ config CPU_S5PV210
 	bool
 	select S3C_PL330_DMA
 	select S5P_EXT_INT
+	select S5PV210_PM if PM
 	help
 	  Enable S5PV210 CPU support
 
@@ -152,4 +153,9 @@ config MACH_TORBRECK
 
 endmenu
 
+config S5PV210_PM
+	bool
+	help
+	  Power Management code common to S5PV210
+
 endif

trunk/arch/arm/mach-s5pv210/Makefile

@@ -14,6 +14,7 @@ obj-				:=
 
 obj-$(CONFIG_CPU_S5PV210)	+= cpu.o init.o clock.o dma.o gpiolib.o
 obj-$(CONFIG_CPU_S5PV210)	+= setup-i2c0.o
+obj-$(CONFIG_S5PV210_PM)	+= pm.o sleep.o
 
 # machine support
 

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

@@ -0,0 +1,43 @@
+/* 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 */
+}

trunk/arch/arm/mach-s5pv210/include/mach/regs-clock.h

@@ -95,7 +95,7 @@
 /* Registers related to power management */
 #define S5P_PWR_CFG		S5P_CLKREG(0xC000)
 #define S5P_EINT_WAKEUP_MASK	S5P_CLKREG(0xC004)
-#define S5P_WAKEUP_MASK 	S5P_CLKREG(0xC008)
+#define S5P_WAKEUP_MASK		S5P_CLKREG(0xC008)
 #define S5P_PWR_MODE		S5P_CLKREG(0xC00C)
 #define S5P_NORMAL_CFG		S5P_CLKREG(0xC010)
 #define S5P_IDLE_CFG		S5P_CLKREG(0xC020)
@@ -159,8 +159,11 @@
 #define S5P_SLEEP_CFG_USBOSC_EN		(1 << 1)
 
 /* 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_MIPI_DPHY_EN		(1 << 28)
 
 /* MIPI */
 #define S5P_MIPI_DPHY_EN		(3)

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

@@ -28,6 +28,7 @@
 #include <plat/cpu.h>
 #include <plat/ata.h>
 #include <plat/iic.h>
+#include <plat/pm.h>
 
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #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)
 {
+	s3c_pm_init();
+
 	s3c_i2c0_set_platdata(NULL);
 	s3c_i2c1_set_platdata(NULL);
 	s3c_i2c2_set_platdata(NULL);

trunk/arch/arm/mach-s5pv210/mach-smdkv210.c

@@ -31,6 +31,7 @@
 #include <plat/ata.h>
 #include <plat/iic.h>
 #include <plat/keypad.h>
+#include <plat/pm.h>
 
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define SMDKV210_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
@@ -145,6 +146,8 @@ static void __init smdkv210_map_io(void)
 
 static void __init smdkv210_machine_init(void)
 {
+	s3c_pm_init();
+
 	samsung_keypad_set_platdata(&smdkv210_keypad_data);
 	s3c24xx_ts_set_platdata(&s3c_ts_platform);
 

trunk/arch/arm/mach-s5pv210/pm.c

@@ -0,0 +1,166 @@
+/* linux/arch/arm/mach-s5pv210/pm.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * S5PV210 - 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 <plat/cpu.h>
+#include <plat/pm.h>
+#include <plat/regs-timer.h>
+
+#include <mach/regs-irq.h>
+#include <mach/regs-clock.h>
+
+static struct sleep_save s5pv210_core_save[] = {
+	/* Clock source */
+	SAVE_ITEM(S5P_CLK_SRC0),
+	SAVE_ITEM(S5P_CLK_SRC1),
+	SAVE_ITEM(S5P_CLK_SRC2),
+	SAVE_ITEM(S5P_CLK_SRC3),
+	SAVE_ITEM(S5P_CLK_SRC4),
+	SAVE_ITEM(S5P_CLK_SRC5),
+	SAVE_ITEM(S5P_CLK_SRC6),
+
+	/* Clock source Mask */
+	SAVE_ITEM(S5P_CLK_SRC_MASK0),
+	SAVE_ITEM(S5P_CLK_SRC_MASK1),
+
+	/* Clock Divider */
+	SAVE_ITEM(S5P_CLK_DIV0),
+	SAVE_ITEM(S5P_CLK_DIV1),
+	SAVE_ITEM(S5P_CLK_DIV2),
+	SAVE_ITEM(S5P_CLK_DIV3),
+	SAVE_ITEM(S5P_CLK_DIV4),
+	SAVE_ITEM(S5P_CLK_DIV5),
+	SAVE_ITEM(S5P_CLK_DIV6),
+	SAVE_ITEM(S5P_CLK_DIV7),
+
+	/* Clock Main Gate */
+	SAVE_ITEM(S5P_CLKGATE_MAIN0),
+	SAVE_ITEM(S5P_CLKGATE_MAIN1),
+	SAVE_ITEM(S5P_CLKGATE_MAIN2),
+
+	/* Clock source Peri Gate */
+	SAVE_ITEM(S5P_CLKGATE_PERI0),
+	SAVE_ITEM(S5P_CLKGATE_PERI1),
+
+	/* Clock source SCLK Gate */
+	SAVE_ITEM(S5P_CLKGATE_SCLK0),
+	SAVE_ITEM(S5P_CLKGATE_SCLK1),
+
+	/* Clock IP Clock gate */
+	SAVE_ITEM(S5P_CLKGATE_IP0),
+	SAVE_ITEM(S5P_CLKGATE_IP1),
+	SAVE_ITEM(S5P_CLKGATE_IP2),
+	SAVE_ITEM(S5P_CLKGATE_IP3),
+	SAVE_ITEM(S5P_CLKGATE_IP4),
+
+	/* Clock Blcok and Bus gate */
+	SAVE_ITEM(S5P_CLKGATE_BLOCK),
+	SAVE_ITEM(S5P_CLKGATE_BUS0),
+
+	/* Clock ETC */
+	SAVE_ITEM(S5P_CLK_OUT),
+	SAVE_ITEM(S5P_MDNIE_SEL),
+
+	/* PWM Register */
+	SAVE_ITEM(S3C2410_TCFG0),
+	SAVE_ITEM(S3C2410_TCFG1),
+	SAVE_ITEM(S3C64XX_TINT_CSTAT),
+	SAVE_ITEM(S3C2410_TCON),
+	SAVE_ITEM(S3C2410_TCNTB(0)),
+	SAVE_ITEM(S3C2410_TCMPB(0)),
+	SAVE_ITEM(S3C2410_TCNTO(0)),
+};
+
+void s5pv210_cpu_suspend(void)
+{
+	unsigned long tmp;
+
+	/* issue the standby signal into the pm unit. Note, we
+	 * issue a write-buffer drain just in case */
+
+	tmp = 0;
+
+	asm("b 1f\n\t"
+	    ".align 5\n\t"
+	    "1:\n\t"
+	    "mcr p15, 0, %0, c7, c10, 5\n\t"
+	    "mcr p15, 0, %0, c7, c10, 4\n\t"
+	    "wfi" : : "r" (tmp));
+
+	/* we should never get past here */
+	panic("sleep resumed to originator?");
+}
+
+static void s5pv210_pm_prepare(void)
+{
+	unsigned int tmp;
+
+	/* ensure at least INFORM0 has the resume address */
+	__raw_writel(virt_to_phys(s3c_cpu_resume), S5P_INFORM0);
+
+	tmp = __raw_readl(S5P_SLEEP_CFG);
+	tmp &= ~(S5P_SLEEP_CFG_OSC_EN | S5P_SLEEP_CFG_USBOSC_EN);
+	__raw_writel(tmp, S5P_SLEEP_CFG);
+
+	/* WFI for SLEEP mode configuration by SYSCON */
+	tmp = __raw_readl(S5P_PWR_CFG);
+	tmp &= S5P_CFG_WFI_CLEAN;
+	tmp |= S5P_CFG_WFI_SLEEP;
+	__raw_writel(tmp, S5P_PWR_CFG);
+
+	/* SYSCON interrupt handling disable */
+	tmp = __raw_readl(S5P_OTHERS);
+	tmp |= S5P_OTHER_SYSC_INTOFF;
+	__raw_writel(tmp, S5P_OTHERS);
+
+	s3c_pm_do_save(s5pv210_core_save, ARRAY_SIZE(s5pv210_core_save));
+}
+
+static int s5pv210_pm_add(struct sys_device *sysdev)
+{
+	pm_cpu_prep = s5pv210_pm_prepare;
+	pm_cpu_sleep = s5pv210_cpu_suspend;
+
+	return 0;
+}
+
+static int s5pv210_pm_resume(struct sys_device *dev)
+{
+	u32 tmp;
+
+	tmp = __raw_readl(S5P_OTHERS);
+	tmp |= (S5P_OTHERS_RET_IO | S5P_OTHERS_RET_CF |\
+		S5P_OTHERS_RET_MMC | S5P_OTHERS_RET_UART);
+	__raw_writel(tmp , S5P_OTHERS);
+
+	s3c_pm_do_restore_core(s5pv210_core_save, ARRAY_SIZE(s5pv210_core_save));
+
+	return 0;
+}
+
+static struct sysdev_driver s5pv210_pm_driver = {
+	.add		= s5pv210_pm_add,
+	.resume		= s5pv210_pm_resume,
+};
+
+static __init int s5pv210_pm_drvinit(void)
+{
+	return sysdev_driver_register(&s5pv210_sysclass, &s5pv210_pm_driver);
+}
+arch_initcall(s5pv210_pm_drvinit);