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authorStefano Babic <sbabic@denx.de>2011-07-13 14:34:52 +0200
committerStefano Babic <sbabic@denx.de>2011-07-18 14:41:48 +0200
commit9f008bb47dd696d9e539fea2f045ae01b0c78a25 (patch)
tree19d9a7ba407f946a1d8332e28be64fe2be356e7b /arch
parent386393c680f6a48bb3628809983dd1f403ddaa5d (diff)
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MX31: Cleanup clock function
The patch provide the same API used with other i.MX processors and get rid of mx31_ functions. Signed-off-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/arm1136/mx31/generic.c21
-rw-r--r--arch/arm/include/asm/arch-mx31/clock.h11
2 files changed, 29 insertions, 3 deletions
diff --git a/arch/arm/cpu/arm1136/mx31/generic.c b/arch/arm/cpu/arm1136/mx31/generic.c
index 4ebf38d..248431b 100644
--- a/arch/arm/cpu/arm1136/mx31/generic.c
+++ b/arch/arm/cpu/arm1136/mx31/generic.c
@@ -23,6 +23,7 @@
#include <common.h>
#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
#include <asm/io.h>
static u32 mx31_decode_pll(u32 reg, u32 infreq)
@@ -60,7 +61,7 @@ static u32 mx31_get_mcu_main_clk(void)
return mx31_get_mpl_dpdgck_clk();
}
-u32 mx31_get_ipg_clk(void)
+static u32 mx31_get_ipg_clk(void)
{
u32 freq = mx31_get_mcu_main_clk();
u32 pdr0 = __REG(CCM_PDR0);
@@ -78,6 +79,24 @@ void mx31_dump_clocks(void)
printf("ipg clock : %dHz\n", mx31_get_ipg_clk());
}
+unsigned int mxc_get_clock(enum mxc_clock clk)
+{
+ switch (clk) {
+ case MXC_ARM_CLK:
+ return mx31_get_mcu_main_clk();
+ case MXC_IPG_CLK:
+ case MXC_CSPI_CLK:
+ case MXC_UART_CLK:
+ return mx31_get_ipg_clk();
+ }
+ return -1;
+}
+
+u32 imx_get_uartclk(void)
+{
+ return mxc_get_clock(MXC_UART_CLK);
+}
+
void mx31_gpio_mux(unsigned long mode)
{
unsigned long reg, shift, tmp;
diff --git a/arch/arm/include/asm/arch-mx31/clock.h b/arch/arm/include/asm/arch-mx31/clock.h
index 9f7ae80..fb035c4 100644
--- a/arch/arm/include/asm/arch-mx31/clock.h
+++ b/arch/arm/include/asm/arch-mx31/clock.h
@@ -24,8 +24,15 @@
#ifndef __ASM_ARCH_CLOCK_H
#define __ASM_ARCH_CLOCK_H
-extern u32 mx31_get_ipg_clk(void);
-#define imx_get_uartclk mx31_get_ipg_clk
+enum mxc_clock {
+ MXC_ARM_CLK,
+ MXC_IPG_CLK,
+ MXC_CSPI_CLK,
+ MXC_UART_CLK,
+};
+
+unsigned int mxc_get_clock(enum mxc_clock clk);
+extern u32 imx_get_uartclk();
extern void mx31_gpio_mux(unsigned long mode);
extern void mx31_set_pad(enum iomux_pins pin, u32 config);