Patchwork [U-Boot,v2,3/8] mx23evk: Fix DDR pin iomux settings

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Submitter Fabio Estevam
Date May 2, 2013, 2:04 p.m.
Message ID <1367503462-24742-4-git-send-email-fabio.estevam@freescale.com>
Download mbox | patch
Permalink /patch/241013/
State Superseded
Headers show

Comments

Fabio Estevam - May 2, 2013, 2:04 p.m.
Change MUX_CONFIG_EMI to use the same voltage selection/drive strength and 
pullup settings as the bootlets code from  Freescale, which results in much 
better stability.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
Changes since v1:
- Only adjust MUX_CONFIG_EMI

 board/freescale/mx23evk/spl_boot.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/board/freescale/mx23evk/spl_boot.c b/board/freescale/mx23evk/spl_boot.c
index b6f4e7e..fd6b3d9 100644
--- a/board/freescale/mx23evk/spl_boot.c
+++ b/board/freescale/mx23evk/spl_boot.c
@@ -26,7 +26,7 @@ 
 #include <asm/arch/sys_proto.h>
 
 #define	MUX_CONFIG_SSP1	(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
-#define	MUX_CONFIG_EMI	(MXS_PAD_3V3 | MXS_PAD_16MA | MXS_PAD_PULLUP)
+#define	MUX_CONFIG_EMI	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL)
 
 const iomux_cfg_t iomux_setup[] = {
 	/* DUART */