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authorShawn Guo <shawn.guo@linaro.org>2015-04-25 22:38:19 +0800
committerShawn Guo <shawn.guo@linaro.org>2015-06-03 14:44:30 +0800
commitf3a9249d096178d29bba69cece29da99a622ce28 (patch)
treeff86f86388e5ea7f55160f9d548c75ae3f451e8e
parentARM: imx: move revision definitions and declarations into a header (diff)
downloadlinux-dev-f3a9249d096178d29bba69cece29da99a622ce28.tar.xz
linux-dev-f3a9249d096178d29bba69cece29da99a622ce28.zip
ARM: imx5: let pm code map CCM block on its own
We are about to move imx5 clock driver into drivers/clk, so let's get imx5 pm code map CCM block on its own rather than relying on clock driver to do the mapping. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
-rw-r--r--arch/arm/mach-imx/clk-imx51-imx53.c2
-rw-r--r--arch/arm/mach-imx/common.h2
-rw-r--r--arch/arm/mach-imx/pm-imx5.c9
3 files changed, 4 insertions, 9 deletions
diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c
index 0f7e536147cb..f341464fe7e9 100644
--- a/arch/arm/mach-imx/clk-imx51-imx53.c
+++ b/arch/arm/mach-imx/clk-imx51-imx53.c
@@ -133,8 +133,6 @@ static struct clk_onecell_data clk_data;
static void __init mx5_clocks_common_init(void __iomem *ccm_base)
{
- imx5_pm_set_ccm_base(ccm_base);
-
clk[IMX5_CLK_DUMMY] = imx_clk_fixed("dummy", 0);
clk[IMX5_CLK_CKIL] = imx_obtain_fixed_clock("ckil", 0);
clk[IMX5_CLK_OSC] = imx_obtain_fixed_clock("osc", 0);
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index 3682d094a259..fe510fbd0c8c 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h
@@ -132,11 +132,9 @@ void imx6q_pm_set_ccm_base(void __iomem *base);
#ifdef CONFIG_PM
void imx51_pm_init(void);
void imx53_pm_init(void);
-void imx5_pm_set_ccm_base(void __iomem *base);
#else
static inline void imx51_pm_init(void) {}
static inline void imx53_pm_init(void) {}
-static inline void imx5_pm_set_ccm_base(void __iomem *base) {}
#endif
#ifdef CONFIG_NEON
diff --git a/arch/arm/mach-imx/pm-imx5.c b/arch/arm/mach-imx/pm-imx5.c
index f1f80ab73e69..b04025592d94 100644
--- a/arch/arm/mach-imx/pm-imx5.c
+++ b/arch/arm/mach-imx/pm-imx5.c
@@ -50,16 +50,19 @@
#define IMX5_DEFAULT_CPU_IDLE_STATE WAIT_UNCLOCKED_POWER_OFF
struct imx5_pm_data {
+ phys_addr_t ccm_addr;
phys_addr_t cortex_addr;
phys_addr_t gpc_addr;
};
static const struct imx5_pm_data imx51_pm_data __initconst = {
+ .ccm_addr = 0x73fd4000,
.cortex_addr = 0x83fa0000,
.gpc_addr = 0x73fd8000,
};
static const struct imx5_pm_data imx53_pm_data __initconst = {
+ .ccm_addr = 0x53fd4000,
.cortex_addr = 0x63fa0000,
.gpc_addr = 0x53fd8000,
};
@@ -68,11 +71,6 @@ static void __iomem *ccm_base;
static void __iomem *cortex_base;
static void __iomem *gpc_base;
-void __init imx5_pm_set_ccm_base(void __iomem *base)
-{
- ccm_base = base;
-}
-
/*
* set cpu low power mode before WFI instruction. This function is called
* mx5 because it can be used for mx51, and mx53.
@@ -208,6 +206,7 @@ static int __init imx5_pm_common_init(const struct imx5_pm_data *data)
arm_pm_idle = imx5_pm_idle;
+ ccm_base = ioremap(data->ccm_addr, SZ_16K);
cortex_base = ioremap(data->cortex_addr, SZ_16K);
gpc_base = ioremap(data->gpc_addr, SZ_16K);
WARN_ON(!ccm_base || !cortex_base || !gpc_base);