[PATCH v6 5/8] ARM: sun6i: Protect SDRAM gating bit
Maxime Ripard
maxime.ripard at free-electrons.com
Thu Apr 17 01:46:16 PDT 2014
Prevent the SDRAM controller from being gated by force-enabling it in the
machine code.
Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
---
arch/arm/mach-sunxi/sun6i.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/mach-sunxi/sun6i.c b/arch/arm/mach-sunxi/sun6i.c
index 6b3905505fe0..1ccb27524a9e 100644
--- a/arch/arm/mach-sunxi/sun6i.c
+++ b/arch/arm/mach-sunxi/sun6i.c
@@ -34,6 +34,11 @@ static void __init sun6i_dt_init(void)
clk = clk_get(NULL, "cpu");
if (!IS_ERR(clk))
clk_prepare_enable(clk);
+
+ /* DDR gating clock */
+ clk = clk_get(NULL, "ahb1_sdram");
+ if (!IS_ERR(clk))
+ clk_prepare_enable(clk);
}
extern void __init sun6i_reset_init(void);
--
1.9.1
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