[U-Boot] [PATCH 2/3] ARM: at91: clock: complete the GCK's clock sources

[Wenyou Yang]

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 at atmel.com>
---

 arch/arm/mach-at91/armv7/clock.c      | 6 ++++++
 arch/arm/mach-at91/include/mach/clk.h | 2 ++
 2 files changed, 8 insertions(+)

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;
-- 
2.7.4