diff options
| -rw-r--r-- | arch/arm/cpu/arm1136/mx31/generic.c | 21 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-mx31/clock.h | 11 | ||||
| -rw-r--r-- | drivers/spi/mxc_spi.c | 2 |
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) |