From: 黄涛 <huangtao@rock-chips.com>
Date: Sat, 18 Dec 2010 06:43:38 +0000 (+0800)
Subject: rk29: add pmu.h
X-Git-Tag: firefly_0821_release~10922
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8952e70d0a9f089ea82246e9018abdbb38a05c5d;p=firefly-linux-kernel-4.4.55.git

rk29: add pmu.h
---

diff --git a/arch/arm/mach-rk29/include/mach/pmu.h b/arch/arm/mach-rk29/include/mach/pmu.h
new file mode 100644
index 000000000000..c3ad47eddadf
--- /dev/null
+++ b/arch/arm/mach-rk29/include/mach/pmu.h
@@ -0,0 +1,60 @@
+/* arch/arm/mach-rk29/include/mach/rk29_pmu.h
+ *
+ * Copyright (C) 2010 ROCKCHIP, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#ifndef __ARCH_ARM_MACH_RK29_PMU_H
+
+#include <linux/irqflags.h>
+#include <asm/io.h>
+#include <mach/rk29_iomap.h>
+
+#define PMU_WAKEUP_EN0	0x00
+#define PMU_WAKEUP_EN1	0x04
+#define PMU_WAKEUP_EN2	0x08
+#define PMU_PD_CON	0x10
+#define PMU_MISC_CON	0x14
+#define PMU_PLL_CNT	0x18
+#define PMU_PD_ST	0x1c
+#define PMU_INT_ST	0x20
+
+enum pmu_power_domain {
+	PD_ARM_CORE = 0,
+	PD_NEON,
+	PD_ETM_DBG,
+	PD_L2_CACHE,
+	PD_VCODEC,
+	PD_DISPLAY,
+	PD_GPU,
+	PD_PERIPHERAL,
+	PD_MINI,
+};
+
+static inline void pmu_set_power_domain(enum pmu_power_domain pd, bool on)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+	if (on)
+		writel(readl(RK29_PMU_BASE + PMU_PD_CON) & ~(1 << pd), RK29_PMU_BASE + PMU_PD_CON);
+	else
+		writel(readl(RK29_PMU_BASE + PMU_PD_CON) |  (1 << pd), RK29_PMU_BASE + PMU_PD_CON);
+	local_irq_restore(flags);
+}
+
+static inline bool pmu_power_domain_is_on(enum pmu_power_domain pd)
+{
+	return !(readl(RK29_PMU_BASE + PMU_PD_ST) & (1 << pd));
+}
+
+#endif
diff --git a/arch/arm/mach-rk29/include/mach/rk29_iomap.h b/arch/arm/mach-rk29/include/mach/rk29_iomap.h
index 0f6193e6cb13..5fffc05729c6 100644
--- a/arch/arm/mach-rk29/include/mach/rk29_iomap.h
+++ b/arch/arm/mach-rk29/include/mach/rk29_iomap.h
@@ -102,8 +102,9 @@
 #define RK29_CRU_PHYS          		0x20000000
 #define RK29_CRU_BASE          		RK29_ADDR_BASE1
 #define RK29_CRU_SIZE				SZ_4K
-#define RK29_PMU_PHYS          		0x20004000
-#define RK29_PMU_SIZE				SZ_16K
+#define RK29_PMU_PHYS			0x20004000
+#define RK29_PMU_BASE			(RK29_ADDR_BASE1 + 0x4000)
+#define RK29_PMU_SIZE			SZ_4K
 #define RK29_GRF_BASE				(RK29_ADDR_BASE1+0x8000)
 #define RK29_GRF_PHYS          		0x20008000
 #define RK29_GRF_SIZE				SZ_16K
diff --git a/arch/arm/mach-rk29/io.c b/arch/arm/mach-rk29/io.c
index c669bef19fd6..9815a2734756 100644
--- a/arch/arm/mach-rk29/io.c
+++ b/arch/arm/mach-rk29/io.c
@@ -41,6 +41,7 @@ static struct map_desc rk29_io_desc[] __initdata = {
 	RK29_DEVICE(PWM),
 	RK29_DEVICE(GRF),
 	RK29_DEVICE(CRU),
+	RK29_DEVICE(PMU),
 	RK29_DEVICE(GPIO0),
 	RK29_DEVICE(GPIO1),
 	RK29_DEVICE(GPIO2),