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ARM: EXYNOS: allow legacy board support to specify xxti and xusbxti clock speed 

The clock speed of xxti and xusbxti clocks depends on the oscillator
used on the board to generate these clocks. For non-dt platforms,
allow the board support for those platforms to set the clock frequency
of xxti and xusbxti clocks.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Thomas Abraham 2013-03-09 17:03:33 +09:00 committed by Kukjin Kim
parent 6923ae4bd3
commit 9274427411
6 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/arm/mach-exynos/common.c
View File

@ -69,6 +69,8 @@ static void exynos5440_map_io(void);
static void exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no);
static int exynos_init(void);
unsigned long xxti_f = 0, xusbxti_f = 0;
static struct cpu_table cpu_ids[] __initdata = {
{
.idcode = EXYNOS4210_CPU_ID,
@ -407,6 +409,7 @@ void __init exynos_init_time(void)
} else {
/* todo: remove after migrating legacy E4 platforms to dt */
exynos4_clk_init(NULL);
exynos4_clk_register_fixed_ext(xxti_f, xusbxti_f);
mct_init();
}
}

1
arch/arm/mach-exynos/common.h
View File

@ -16,6 +16,7 @@
extern void mct_init(void);
void exynos_init_time(void);
extern unsigned long xxti_f, xusbxti_f;
struct map_desc;
void exynos_init_io(struct map_desc *mach_desc, int size);

2
arch/arm/mach-exynos/mach-nuri.c
View File

@ -1331,6 +1331,8 @@ static void __init nuri_map_io(void)
{
exynos_init_io(NULL, 0);
s3c24xx_init_uarts(nuri_uartcfgs, ARRAY_SIZE(nuri_uartcfgs));
xxti_f = 0;
xusbxti_f = 24000000;
}
static void __init nuri_reserve(void)

2
arch/arm/mach-exynos/mach-origen.c
View File

@ -755,6 +755,8 @@ static void __init origen_map_io(void)
{
exynos_init_io(NULL, 0);
s3c24xx_init_uarts(origen_uartcfgs, ARRAY_SIZE(origen_uartcfgs));
xxti_f = 0;
xusbxti_f = 24000000;
}
static void __init origen_power_init(void)

2
arch/arm/mach-exynos/mach-smdkv310.c
View File

@ -372,6 +372,8 @@ static void __init smdkv310_map_io(void)
{
exynos_init_io(NULL, 0);
s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
xxti_f = 12000000;
xusbxti_f = 24000000;
}
static void __init smdkv310_reserve(void)

2
arch/arm/mach-exynos/mach-universal_c210.c
View File

@ -1094,6 +1094,8 @@ static void __init universal_map_io(void)
exynos_init_io(NULL, 0);
s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
samsung_set_timer_source(SAMSUNG_PWM2, SAMSUNG_PWM4);
xxti_f = 0;
xusbxti_f = 24000000;
}
static void s5p_tv_setup(void)