summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-cns3xxx/pm.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-cns3xxx/pm.c')
-rw-r--r--arch/arm/mach-cns3xxx/pm.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/mach-cns3xxx/pm.c b/arch/arm/mach-cns3xxx/pm.c
index 38e44706feab..5e579552aa54 100644
--- a/arch/arm/mach-cns3xxx/pm.c
+++ b/arch/arm/mach-cns3xxx/pm.c
@@ -6,10 +6,14 @@
* published by the Free Software Foundation.
*/
+#include <linux/init.h>
+#include <linux/module.h>
#include <linux/io.h>
#include <linux/delay.h>
+#include <asm/atomic.h>
#include <mach/system.h>
#include <mach/cns3xxx.h>
+#include <mach/pm.h>
void cns3xxx_pwr_clk_en(unsigned int block)
{
@@ -18,6 +22,16 @@ void cns3xxx_pwr_clk_en(unsigned int block)
reg |= (block & PM_CLK_GATE_REG_MASK);
__raw_writel(reg, PM_CLK_GATE_REG);
}
+EXPORT_SYMBOL(cns3xxx_pwr_clk_en);
+
+void cns3xxx_pwr_clk_dis(unsigned int block)
+{
+ u32 reg = __raw_readl(PM_CLK_GATE_REG);
+
+ reg &= ~(block & PM_CLK_GATE_REG_MASK);
+ __raw_writel(reg, PM_CLK_GATE_REG);
+}
+EXPORT_SYMBOL(cns3xxx_pwr_clk_dis);
void cns3xxx_pwr_power_up(unsigned int block)
{
@@ -29,6 +43,7 @@ void cns3xxx_pwr_power_up(unsigned int block)
/* Wait for 300us for the PLL output clock locked. */
udelay(300);
};
+EXPORT_SYMBOL(cns3xxx_pwr_power_up);
void cns3xxx_pwr_power_down(unsigned int block)
{
@@ -38,6 +53,7 @@ void cns3xxx_pwr_power_down(unsigned int block)
reg |= (block & CNS3XXX_PWR_PLL_ALL);
__raw_writel(reg, PM_PLL_HM_PD_CTRL_REG);
};
+EXPORT_SYMBOL(cns3xxx_pwr_power_down);
static void cns3xxx_pwr_soft_rst_force(unsigned int block)
{
@@ -51,11 +67,13 @@ static void cns3xxx_pwr_soft_rst_force(unsigned int block)
reg &= ~(block & PM_SOFT_RST_REG_MASK);
} else {
reg &= ~(block & PM_SOFT_RST_REG_MASK);
+ __raw_writel(reg, PM_SOFT_RST_REG);
reg |= (block & PM_SOFT_RST_REG_MASK);
}
__raw_writel(reg, PM_SOFT_RST_REG);
}
+EXPORT_SYMBOL(cns3xxx_pwr_soft_rst_force);
void cns3xxx_pwr_soft_rst(unsigned int block)
{
@@ -69,6 +87,7 @@ void cns3xxx_pwr_soft_rst(unsigned int block)
}
cns3xxx_pwr_soft_rst_force(block);
}
+EXPORT_SYMBOL(cns3xxx_pwr_soft_rst);
void arch_reset(char mode, const char *cmd)
{
@@ -99,3 +118,7 @@ int cns3xxx_cpu_clock(void)
return cpu;
}
+EXPORT_SYMBOL(cns3xxx_cpu_clock);
+
+atomic_t usb_pwr_ref = ATOMIC_INIT(0);
+EXPORT_SYMBOL(usb_pwr_ref);