1 files changed, 117 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/include/mach/pmu.h b/arch/arm/mach-exynos/include/mach/pmu.h
new file mode 100644
index 0000000..d475dd5
--- /dev/null
+++ b/arch/arm/mach-exynos/include/mach/pmu.h
@@ -0,0 +1,117 @@
+/* linux/arch/arm/mach-exynos/include/mach/pmu.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * EXYNOS4210 - PMU support
+ *
+ * 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_ARCH_PMU_H
+#define __ASM_ARCH_PMU_H __FILE__
+
+#include <linux/cpu.h>
+#include <linux/io.h>
+#include <mach/regs-pmu.h>
+
+static inline void exynos4_reset_assert_ctrl(unsigned int on)
+{
+	unsigned int i;
+	unsigned int core_option;
+
+	for (i = 0; i < num_possible_cpus(); i++) {
+		core_option = __raw_readl(S5P_ARM_CORE_OPTION(i));
+		core_option &= ~S5P_USE_DELAYED_RESET_ASSERTION;
+		core_option |= (on << S5P_USE_DELAYED_RESET_OFFSET);
+#if !defined(CONFIG_CPU_EXYNOS4210)
+		pr_debug("%s %p %08x\n", __func__,
+		       S5P_ARM_CORE_OPTION(i), core_option);
+#endif
+		__raw_writel(core_option, S5P_ARM_CORE_OPTION(i));
+	}
+}
+
+static inline int exynos4_is_c2c_use(void)
+{
+	unsigned int ret;
+
+	ret = __raw_readl(S5P_C2C_CTRL);
+
+	return ret;
+}
+
+enum sys_powerdown {
+	SYS_AFTR,
+	SYS_LPA,
+	SYS_SLEEP,
+	NUM_SYS_POWERDOWN,
+};
+
+struct exynos4_pmu_conf {
+	void __iomem *reg;
+	unsigned long val[NUM_SYS_POWERDOWN];
+};
+
+enum c2c_pwr_mode {
+	MIN_LATENCY,
+	SHORT_LATENCY,
+	MAX_LATENCY,
+};
+
+#if defined(CONFIG_ARCH_EXYNOS4)
+enum xclkout_select {
+	XCLKOUT_CMU_DMC = 0x0,
+	XCLKOUT_CMU_TOP = 0x1,
+	XCLKOUT_CMU_LEFTBUS = 0x2,
+	XCLKOUT_CMU_RIGHTBUS = 0x3,
+	XCLKOUT_CMU_CPU = 0x4,
+	XCLKOUT_CMU_ISP = 0x5, /* Not support at EXYNOS4210 */
+	XCLKOUT_XXTI = 0x8,
+	XCLKOUT_XUSBXTI = 0x9,
+	XCLKOUT_RTC_TICCLK = 0xC,
+	XCLKOUT_RTCCLK = 0xD,
+	XCLKOUT_CLKOUT_DEBUG = 0xE, /* Not support at EXYNOS4210 */
+};
+#elif defined(CONFIG_CPU_EXYNOS5250)
+enum xclkout_select {
+	XCLKOUT_DEBUG = 0x0,
+	XCLKOUT_CMU_CDREX = 0x1,
+	XCLKOUT_CMU_CORE = 0x2,
+	XCLKOUT_CMU_ISP = 0x3,
+	XCLKOUT_CMU_LEX = 0x4,
+	XCLKOUT_CMU_MIX = 0x5,
+	XCLKOUT_CMU_RIX = 0x6,
+	XCLKOUT_CMU_TOP = 0x7,
+	XCLKOUT_CMU_CPU = 0x8,
+	XCLKOUT_CMU_ACP = 0x9,
+	XCLKOUT_XXTI = 0x10,
+	XCLKOUT_XUSBXTI = 0x11,
+	XCLKOUT_TICCLK = 0x12,
+	XCLKOUT_RTCCLK = 0x13,
+};
+#endif
+
+struct exynos4_c2c_pmu_conf {
+	void __iomem *reg;
+	unsigned long val;
+};
+
+/* external function for exynos4 series */
+extern void exynos4_sys_powerdown_conf(enum sys_powerdown mode);
+extern int exynos4_enter_lp(unsigned long *saveblk, long);
+extern void exynos4_idle_resume(void);
+extern void exynos4_c2c_request_pwr_mode(enum c2c_pwr_mode mode);
+extern void exynos4_sys_powerdown_xusbxti_control(unsigned int enable);
+extern void exynos4_pmu_xclkout_set(unsigned int enable, enum xclkout_select source);
+
+/* external function for exynos5 series */
+extern void exynos5_sys_powerdown_conf(enum sys_powerdown mode);
+extern int exynos5_enter_lp(unsigned long *saveblk, long);
+extern void exynos5_idle_resume(void);
+extern void exynos5_sys_powerdown_xxti_control(unsigned int enable);
+extern void exynos5_pmu_xclkout_set(unsigned int enable, enum xclkout_select source);
+
+#endif /* __ASM_ARCH_PMU_H */