From 7a91e1a3835413aac3e7c894ca1ba205e6ade887 Mon Sep 17 00:00:00 2001 From: Wenyou Yang Date: Mon, 11 Apr 2016 16:41:32 +0800 Subject: ARM: at91: clock: complete the GCK's clock sources Add the UPLL clock and master clock as a clock source for getting the generated clock frequency to complete its clock sources support. Signed-off-by: Wenyou Yang Reviewed-by: Andreas Bießmann --- arch/arm/mach-at91/armv7/clock.c | 6 ++++++ arch/arm/mach-at91/include/mach/clk.h | 2 ++ 2 files changed, 8 insertions(+) (limited to 'arch/arm/mach-at91') diff --git a/arch/arm/mach-at91/armv7/clock.c b/arch/arm/mach-at91/armv7/clock.c index 27372b3f315..76fcada788a 100644 --- a/arch/arm/mach-at91/armv7/clock.c +++ b/arch/arm/mach-at91/armv7/clock.c @@ -236,6 +236,12 @@ u32 at91_get_periph_generated_clk(u32 id) case AT91_PMC_PCR_GCKCSS_PLLA_CLK: freq = gd->arch.plla_rate_hz; break; + case AT91_PMC_PCR_GCKCSS_UPLL_CLK: + freq = AT91_UTMI_PLL_CLK_FREQ; + break; + case AT91_PMC_PCR_GCKCSS_MCK_CLK: + freq = gd->arch.mck_rate_hz; + break; default: printf("Improper GCK clock source selection!\n"); freq = 0; diff --git a/arch/arm/mach-at91/include/mach/clk.h b/arch/arm/mach-at91/include/mach/clk.h index 8577c74b47b..ca7d7d06954 100644 --- a/arch/arm/mach-at91/include/mach/clk.h +++ b/arch/arm/mach-at91/include/mach/clk.h @@ -20,6 +20,8 @@ #define GCK_CSS_MCK_CLK 4 #define GCK_CSS_AUDIO_CLK 5 +#define AT91_UTMI_PLL_CLK_FREQ 480000000 + static inline unsigned long get_cpu_clk_rate(void) { DECLARE_GLOBAL_DATA_PTR; -- cgit v1.2.3