ARM: S5PC1XX: add cpu idle and system reset support

Add CPU idle support by a call to SoC build-in power management core.
Add system reset support by a simple write to system controll register.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 84 insertions, 0 deletions

diff --git a/arch/arm/plat-s5pc1xx/include/plat/regs-power.h b/arch/arm/plat-s5pc1xx/include/plat/regs-power.h
new file mode 100644
index 0000000..02ffa49
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/include/plat/regs-power.h
@@ -0,0 +1,84 @@
+/* arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ *	Jongse Won <jongse.won@samsung.com>
+ *
+ * S5PC1XX clock register definitions
+ *
+ * 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.
+*/
+
+#ifndef __ASM_ARM_REGS_PWR
+#define __ASM_ARM_REGS_PWR __FILE__
+
+#define S5PC1XX_PWRREG(x)			(S5PC1XX_VA_PWR + (x))
+
+/* s5pc100 (0xE0108000) register for power management */
+#define S5PC100_PWR_CFG				S5PC1XX_PWRREG(0x0)
+#define S5PC100_EINT_WAKEUP_MASK		S5PC1XX_PWRREG(0x4)
+#define S5PC100_NORMAL_CFG			S5PC1XX_PWRREG(0x10)
+#define S5PC100_STOP_CFG			S5PC1XX_PWRREG(0x14)
+#define S5PC100_SLEEP_CFG			S5PC1XX_PWRREG(0x18)
+#define S5PC100_STOP_MEM_CFG			S5PC1XX_PWRREG(0x1C)
+#define S5PC100_OSC_FREQ			S5PC1XX_PWRREG(0x100)
+#define S5PC100_OSC_STABLE			S5PC1XX_PWRREG(0x104)
+#define S5PC100_PWR_STABLE			S5PC1XX_PWRREG(0x108)
+#define S5PC100_MTC_STABLE			S5PC1XX_PWRREG(0x110)
+#define S5PC100_CLAMP_STABLE			S5PC1XX_PWRREG(0x114)
+#define S5PC100_OTHERS				S5PC1XX_PWRREG(0x200)
+#define S5PC100_RST_STAT			S5PC1XX_PWRREG(0x300)
+#define S5PC100_WAKEUP_STAT			S5PC1XX_PWRREG(0x304)
+#define S5PC100_BLK_PWR_STAT			S5PC1XX_PWRREG(0x308)
+#define S5PC100_INFORM0				S5PC1XX_PWRREG(0x400)
+#define S5PC100_INFORM1				S5PC1XX_PWRREG(0x404)
+#define S5PC100_INFORM2				S5PC1XX_PWRREG(0x408)
+#define S5PC100_INFORM3				S5PC1XX_PWRREG(0x40C)
+#define S5PC100_INFORM4				S5PC1XX_PWRREG(0x410)
+#define S5PC100_INFORM5				S5PC1XX_PWRREG(0x414)
+#define S5PC100_INFORM6				S5PC1XX_PWRREG(0x418)
+#define S5PC100_INFORM7				S5PC1XX_PWRREG(0x41C)
+#define S5PC100_DCGIDX_MAP0			S5PC1XX_PWRREG(0x500)
+#define S5PC100_DCGIDX_MAP1			S5PC1XX_PWRREG(0x504)
+#define S5PC100_DCGIDX_MAP2			S5PC1XX_PWRREG(0x508)
+#define S5PC100_DCGPERF_MAP0			S5PC1XX_PWRREG(0x50C)
+#define S5PC100_DCGPERF_MAP1			S5PC1XX_PWRREG(0x510)
+#define S5PC100_DVCIDX_MAP			S5PC1XX_PWRREG(0x514)
+#define S5PC100_FREQ_CPU			S5PC1XX_PWRREG(0x518)
+#define S5PC100_FREQ_DPM			S5PC1XX_PWRREG(0x51C)
+#define S5PC100_DVSEMCLK_EN			S5PC1XX_PWRREG(0x520)
+#define S5PC100_APLL_CON_L8			S5PC1XX_PWRREG(0x600)
+#define S5PC100_APLL_CON_L7			S5PC1XX_PWRREG(0x604)
+#define S5PC100_APLL_CON_L6			S5PC1XX_PWRREG(0x608)
+#define S5PC100_APLL_CON_L5			S5PC1XX_PWRREG(0x60C)
+#define S5PC100_APLL_CON_L4			S5PC1XX_PWRREG(0x610)
+#define S5PC100_APLL_CON_L3			S5PC1XX_PWRREG(0x614)
+#define S5PC100_APLL_CON_L2			S5PC1XX_PWRREG(0x618)
+#define S5PC100_APLL_CON_L1			S5PC1XX_PWRREG(0x61C)
+#define S5PC100_IEM_CONTROL			S5PC1XX_PWRREG(0x620)
+#define S5PC100_CLKDIV_IEM_L8			S5PC1XX_PWRREG(0x700)
+#define S5PC100_CLKDIV_IEM_L7			S5PC1XX_PWRREG(0x704)
+#define S5PC100_CLKDIV_IEM_L6			S5PC1XX_PWRREG(0x708)
+#define S5PC100_CLKDIV_IEM_L5			S5PC1XX_PWRREG(0x70C)
+#define S5PC100_CLKDIV_IEM_L4			S5PC1XX_PWRREG(0x710)
+#define S5PC100_CLKDIV_IEM_L3			S5PC1XX_PWRREG(0x714)
+#define S5PC100_CLKDIV_IEM_L2			S5PC1XX_PWRREG(0x718)
+#define S5PC100_CLKDIV_IEM_L1			S5PC1XX_PWRREG(0x71C)
+#define S5PC100_IEM_HPMCLK_DIV			S5PC1XX_PWRREG(0x724)
+
+/* PWR_CFG */
+#define S5PC100_PWRCFG_CFG_DEEP_IDLE		(1 << 31)
+#define S5PC100_PWRCFG_CFG_WFI_MASK		(3 << 5)
+#define S5PC100_PWRCFG_CFG_WFI_IDLE		(0 << 5)
+#define S5PC100_PWRCFG_CFG_WFI_DEEP_IDLE	(1 << 5)
+#define S5PC100_PWRCFG_CFG_WFI_STOP		(2 << 5)
+#define S5PC100_PWRCFG_CFG_WFI_SLEEP		(3 << 5)
+
+/* SLEEP_CFG */
+#define S5PC100_SLEEP_OSC_EN_SLEEP		(1 << 0)
+
+/* OTHERS */
+#define S5PC100_PMU_INT_DISABLE			(1 << 24)
+
+#endif /* __ASM_ARM_REGS_PWR */