[PATCH v3 07/11] ARM: Exynos4: allow legacy board support to specify xxti and xusbxti clock speed
From: Thomas Abraham <hidden>
Date: 2012-11-14 22:07:29
Also in:
linux-arm-kernel, linux-samsung-soc
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
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. Cc: Kukjin Kim <redacted> Signed-off-by: Thomas Abraham <redacted> --- arch/arm/mach-exynos/common.c | 2 ++ arch/arm/mach-exynos/common.h | 1 + arch/arm/mach-exynos/mach-nuri.c | 2 ++ arch/arm/mach-exynos/mach-origen.c | 2 ++ arch/arm/mach-exynos/mach-smdkv310.c | 2 ++ arch/arm/mach-exynos/mach-universal_c210.c | 2 ++ arch/arm/mach-exynos/mct.c | 1 + 7 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index 138a41d..64c0012 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c@@ -65,6 +65,8 @@ static void exynos5_init_clocks(int xtal); 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,
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index 2cacd48..f947789 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h@@ -22,6 +22,7 @@ void exynos4_restart(char mode, const char *cmd); void exynos5_restart(char mode, const char *cmd); void exynos_init_late(void); +extern unsigned long xxti_f, xusbxti_f; void exynos4_clk_init(void); void exynos4_clk_register_fixed_ext(unsigned long, unsigned long);
diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c
index 5b5c941..e14332c 100644
--- a/arch/arm/mach-exynos/mach-nuri.c
+++ b/arch/arm/mach-exynos/mach-nuri.c@@ -1332,6 +1332,8 @@ 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)
diff --git a/arch/arm/mach-exynos/mach-origen.c b/arch/arm/mach-exynos/mach-origen.c
index d4a0ef1..1196a78 100644
--- a/arch/arm/mach-exynos/mach-origen.c
+++ b/arch/arm/mach-exynos/mach-origen.c@@ -754,6 +754,8 @@ 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)
diff --git a/arch/arm/mach-exynos/mach-smdkv310.c b/arch/arm/mach-exynos/mach-smdkv310.c
index ce32dd1..cea4803 100644
--- a/arch/arm/mach-exynos/mach-smdkv310.c
+++ b/arch/arm/mach-exynos/mach-smdkv310.c@@ -374,6 +374,8 @@ 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)
diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c
index 3999c16..3de63cb 100644
--- a/arch/arm/mach-exynos/mach-universal_c210.c
+++ b/arch/arm/mach-exynos/mach-universal_c210.c@@ -1095,6 +1095,8 @@ static void __init universal_map_io(void) exynos_init_io(NULL, 0); s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs)); s5p_set_timer_source(S5P_PWM2, S5P_PWM4); + xxti_f = 0; + xusbxti_f = 24000000; } static void s5p_tv_setup(void)
diff --git a/arch/arm/mach-exynos/mct.c b/arch/arm/mach-exynos/mct.c
index c2e806c..cd061b2 100644
--- a/arch/arm/mach-exynos/mct.c
+++ b/arch/arm/mach-exynos/mct.c@@ -532,6 +532,7 @@ static void __init exynos4_timer_init(void) if (soc_is_exynos4210() || soc_is_exynos4212() || soc_is_exynos4412()) { exynos4_clk_init(); + exynos4_clk_register_fixed_ext(xxti_f, xusbxti_f); } } #endif
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1.7.4.4