[U-Boot] [PATCH] arm: mvebu: increase delay after setting ddr3 training patterns

[Anton Schubert]

The mv78260 needs atleast 10ms after setting the ddr3 training patterns
or else the cpu will hang.

This patch increases said delay to 20ms just to be safe.

Signed-off-by: Anton Schubert <anton.schubert at gmx.de>
Cc: Stefan Roese <sr at denx.de>
Cc: Luka Perkov <luka.perkov at sartura.hr> 
---
 drivers/ddr/mvebu/ddr3_hw_training.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ddr/mvebu/ddr3_hw_training.c b/drivers/ddr/mvebu/ddr3_hw_training.c
index a8c5e6a..c9c9272 100644
--- a/drivers/ddr/mvebu/ddr3_hw_training.c
+++ b/drivers/ddr/mvebu/ddr3_hw_training.c
@@ -674,7 +674,7 @@ int ddr3_load_patterns(MV_DRAM_INFO *dram_info, int resume)
 
 	reg_write(REG_DRAM_TRAINING_ADDR, reg);
 
-	udelay(100);
+	mdelay(20);
 
 	/* Check if Successful */
 	if (reg_read(REG_DRAM_TRAINING_ADDR) &
-- 
2.3.6