[PATCH 2/2] sunxi: Fix H616 DRAM read calibration for dual rank

Jernej Skrabec jernej.skrabec at gmail.com
Sat Jan 29 16:58:43 CET 2022


Although it isn't known what bit 0 in PHY reg 8 does, it's obvious that
it has to be set before read calibration and cleared afterwards. This is
already done for first rank, but not for second (copy & paste error.)

Fix it.

Fixes: f4317dbd06b6 ("sunxi: Add H616 DRAM support")
Signed-off-by: Jernej Skrabec <jernej.skrabec at gmail.com>
---
 arch/arm/mach-sunxi/dram_sun50i_h616.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-sunxi/dram_sun50i_h616.c b/arch/arm/mach-sunxi/dram_sun50i_h616.c
index 76f520f4e780..83e8abc2f8d8 100644
--- a/arch/arm/mach-sunxi/dram_sun50i_h616.c
+++ b/arch/arm/mach-sunxi/dram_sun50i_h616.c
@@ -360,7 +360,7 @@ static bool mctl_phy_read_calibration(struct dram_para *para)
 			}
 		}
 
-		setbits_le32(SUNXI_DRAM_PHY0_BASE + 8, 1);
+		clrbits_le32(SUNXI_DRAM_PHY0_BASE + 8, 1);
 	}
 
 	clrbits_le32(SUNXI_DRAM_PHY0_BASE + 8, 0x30);
-- 
2.35.0



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