[U-Boot] [PATCH] OMAP3: Overo: Update GPMC timing for ethernet chip.

Philip Balister philip at balister.org
Wed Sep 7 13:57:49 CEST 2011


The existing timing does not quite meet the minimum requirements
in the LAN9221 datasheet. The timing in this patch solves problems
noticed on some parts.

Signed-off-by: Philip Balister <philip at opensdr.com>
---
 board/overo/overo.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/board/overo/overo.h b/board/overo/overo.h
index 68e1243..617c0c3 100644
--- a/board/overo/overo.h
+++ b/board/overo/overo.h
@@ -35,10 +35,10 @@ const omap3_sysinfo sysinfo = {
 
 /* GPMC CS 5 connected to an SMSC LAN9221 ethernet controller */
 #define NET_LAN9221_GPMC_CONFIG1    0x00001000
-#define NET_LAN9221_GPMC_CONFIG2    0x00080701
+#define NET_LAN9221_GPMC_CONFIG2    0x00060700
 #define NET_LAN9221_GPMC_CONFIG3    0x00020201
-#define NET_LAN9221_GPMC_CONFIG4    0x08030703
-#define NET_LAN9221_GPMC_CONFIG5    0x00060908
+#define NET_LAN9221_GPMC_CONFIG4    0x06000700
+#define NET_LAN9221_GPMC_CONFIG5    0x0006090A
 #define NET_LAN9221_GPMC_CONFIG6    0x87030000
 #define NET_LAN9221_GPMC_CONFIG7    0x00000f6c
 
-- 
1.7.4.4



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