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[U-Boot,v5,01/15] Exynos: Use 900MHz ARM frequency in SPL for peach_pit

Message ID 1412221423-10752-2-git-send-email-sjg@chromium.org
State Changes Requested
Delegated to: Minkyu Kang
Headers show

Commit Message

Simon Glass Oct. 2, 2014, 3:43 a.m. UTC
The device seems to hang in SPL if the full speed is used when booting from
USB, perhaps because the PMIC has not been set to the maximum ARM core
voltage yet. Slow it down to a reliable speed.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2:
- Add new patch to use 900MHz ARM frequeny in SPL for peach_pit

 arch/arm/dts/exynos5420-peach-pit.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/dts/exynos5420-peach-pit.dts b/arch/arm/dts/exynos5420-peach-pit.dts
index 3ed70a8..207782e 100644
--- a/arch/arm/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/dts/exynos5420-peach-pit.dts
@@ -32,7 +32,7 @@ 
 		mem-manuf = "samsung";
 		mem-type = "ddr3";
 		clock-frequency = <800000000>;
-		arm-frequency = <1700000000>;
+		arm-frequency = <900000000>;
 	};
 
 	tmu@10060000 {