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authordzu <dzu>2003-09-30 15:22:12 +0000
committerdzu <dzu>2003-09-30 15:22:12 +0000
commitbb65a312675f3cd1923a5cbe325ad9ca1703fc58 (patch)
treef0ce2b1bf8440525818c1c74eaa54c97d3de431f
parent88a1bfa8b8a18f6c3838d9bffeb60b0921b4c877 (diff)
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Improve SDRAM setup for TRAB board
-rw-r--r--CHANGELOG2
-rw-r--r--board/trab/memsetup.S8
2 files changed, 6 insertions, 4 deletions
diff --git a/CHANGELOG b/CHANGELOG
index 47b0d0d..4a5e561 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,8 @@
Changes for U-Boot 1.0.0:
======================================================================
+* Improve SDRAM setup for TRAB board
+
* Suppress all output with splashscreen configured only if "splashimage"
is set
diff --git a/board/trab/memsetup.S b/board/trab/memsetup.S
index 92f7d3b..f59b0ac 100644
--- a/board/trab/memsetup.S
+++ b/board/trab/memsetup.S
@@ -104,12 +104,12 @@
#ifndef CONFIG_RAM_16MB /* 32 MB RAM */
/* Bank6 */
#define B6_MT 0x3 /* SDRAM */
-#define B6_Trcd 0x1 /* 3clk */
+#define B6_Trcd 0x0 /* 2clk */
#define B6_SCAN 0x1 /* 9 bit */
/* Bank7 */
#define B7_MT 0x3 /* SDRAM */
-#define B7_Trcd 0x1 /* 3clk */
+#define B7_Trcd 0x0 /* 2clk */
#define B7_SCAN 0x1 /* 9 bit */
#else /* CONFIG_RAM_16MB = 16 MB RAM */
/* Bank6 */
@@ -178,5 +178,5 @@ SMRDATA:
#else /* CONFIG_RAM_16MB = 16 MB RAM */
.word 0x17 /* BUSWIDTH=32, SCLK power saving mode, BANKSIZE 16M/16M */
#endif /* CONFIG_RAM_16MB */
- .word 0x30 /* MRSR6, CL=3clk */
- .word 0x30 /* MRSR7 */
+ .word 0x20 /* MRSR6, CL=2clk */
+ .word 0x20 /* MRSR7 */