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authorBartlomiej Sieka <tur@semihalf.com>2007-10-23 11:36:07 +0200
committerBartlomiej Sieka <tur@semihalf.com>2007-10-23 11:36:07 +0200
commiteff501904df2bf1724a750062628ba2c51dbb1f8 (patch)
tree8a3e612edb15e91855b2d0c4abda804b413c844a
parent5441f61a3d8b7034f19fc1361183e936198e6dbb (diff)
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Motion-PRO: Add setting of SDelay reg. to SDRAM controller configuration.
Per AN3221 (MPC5200B SDRAM Initialization and Configuration), the SDelay register must be written a value of 0x00000004 as the first step of the SDRAM contorller configuration. Signed-off-by: Bartlomiej Sieka <tur@semihalf.com>
-rw-r--r--board/motionpro/motionpro.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/board/motionpro/motionpro.c b/board/motionpro/motionpro.c
index f83998e..68257b8 100644
--- a/board/motionpro/motionpro.c
+++ b/board/motionpro/motionpro.c
@@ -138,6 +138,12 @@ long int initdram(int board_type)
#ifndef CFG_RAMBOOT
ulong test1, test2;
+ /* According to AN3221 (MPC5200B SDRAM Initialization and
+ * Configuration), the SDelay register must be written a value of
+ * 0x00000004 as the first step of the SDRAM contorller configuration.
+ */
+ *(vu_long *)MPC5XXX_SDRAM_SDELAY = 0x04;
+
/* configure SDRAM start/end for detection */
*(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001e; /* 2G at 0x0 */
*(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x80000000; /* disabled */