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| author | Wenyou Yang <wenyou.yang@atmel.com> | 2016-04-11 16:41:32 +0800 |
|---|---|---|
| committer | Andreas Bießmann <andreas@biessmann.org> | 2016-05-24 08:08:36 +0200 |
| commit | 7a91e1a3835413aac3e7c894ca1ba205e6ade887 (patch) | |
| tree | 63076814a7df1bfd5763068a16152bf4b360402d | |
| parent | 4adf6a715796de4f0e858e0246c3abf5e3c118f3 (diff) | |
| download | u-boot-7a91e1a3835413aac3e7c894ca1ba205e6ade887.zip u-boot-7a91e1a3835413aac3e7c894ca1ba205e6ade887.tar.gz u-boot-7a91e1a3835413aac3e7c894ca1ba205e6ade887.tar.bz2 | |
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 <wenyou.yang@atmel.com>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
| -rw-r--r-- | arch/arm/mach-at91/armv7/clock.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/clk.h | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/armv7/clock.c b/arch/arm/mach-at91/armv7/clock.c index 27372b3..76fcada 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 8577c74..ca7d7d0 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; |