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-rw-r--r--board/amcc/sequoia/sdram.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/board/amcc/sequoia/sdram.c b/board/amcc/sequoia/sdram.c
index 77f1438..f8b837e 100644
--- a/board/amcc/sequoia/sdram.c
+++ b/board/amcc/sequoia/sdram.c
@@ -6,7 +6,7 @@
* Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
* Robert Snyder, AMCC/IBM, rob.snyder@fr.ibm.com
*
- * (C) Copyright 2006
+ * (C) Copyright 2006-2007
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* This program is free software; you can redistribute it and/or
@@ -379,16 +379,18 @@ void denali_core_search_data_eye(unsigned long memory_size)
long int initdram (int board_type)
{
#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+ ulong speed = get_bus_freq(0);
+
mtsdram(DDR0_02, 0x00000000);
mtsdram(DDR0_00, 0x0000190A);
mtsdram(DDR0_01, 0x01000000);
mtsdram(DDR0_03, 0x02030602);
- mtsdram(DDR0_04, 0x13030300);
- mtsdram(DDR0_05, 0x0202050E);
- mtsdram(DDR0_06, 0x0104C823);
+ mtsdram(DDR0_04, 0x0A020200);
+ mtsdram(DDR0_05, 0x02020308);
+ mtsdram(DDR0_06, 0x0102C812);
mtsdram(DDR0_07, 0x000D0100);
- mtsdram(DDR0_08, 0x02360001);
+ mtsdram(DDR0_08, 0x02430001);
mtsdram(DDR0_09, 0x00011D5F);
mtsdram(DDR0_10, 0x00000300);
mtsdram(DDR0_11, 0x0027C800);
@@ -402,13 +404,16 @@ long int initdram (int board_type)
mtsdram(DDR0_22, 0x00267F0B);
mtsdram(DDR0_23, 0x00000000);
mtsdram(DDR0_24, 0x01010002);
- mtsdram(DDR0_26, 0x5B260181);
+ if (speed > 133333333)
+ mtsdram(DDR0_26, 0x5B26050C);
+ else
+ mtsdram(DDR0_26, 0x5B260408);
mtsdram(DDR0_27, 0x0000682B);
mtsdram(DDR0_28, 0x00000000);
mtsdram(DDR0_31, 0x00000000);
mtsdram(DDR0_42, 0x01000006);
- mtsdram(DDR0_43, 0x050A0200);
- mtsdram(DDR0_44, 0x00000005);
+ mtsdram(DDR0_43, 0x030A0200);
+ mtsdram(DDR0_44, 0x00000003);
mtsdram(DDR0_02, 0x00000001);
wait_for_dlllock();