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-rw-r--r--arch/arm/cpu/arm1136/mx31/generic.c21
-rw-r--r--arch/arm/include/asm/arch-mx31/clock.h11
-rw-r--r--drivers/spi/mxc_spi.c2
3 files changed, 29 insertions, 5 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);
diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c
index 698e726..81381d9 100644
--- a/drivers/spi/mxc_spi.c
+++ b/drivers/spi/mxc_spi.c
@@ -60,8 +60,6 @@ static unsigned long spi_bases[] = {
0x53f84000,
};
-#define mxc_get_clock(x) mx31_get_ipg_clk()
-
#elif defined(CONFIG_MX51)
#define MXC_CSPICTRL_EN (1 << 0)