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| author | wdenk <wdenk> | 2003-09-17 22:48:07 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2003-09-17 22:48:07 +0000 |
| commit | b0639ca33214eedeb026ce45ad1871d477cdbfb8 (patch) | |
| tree | b8c96fee7fe8e55004c2141d1a0a31ded7b3f8f5 /board/trab/memsetup.S | |
| parent | f54ebdfa28a3c384cb4904f75f8228f3c6d748c5 (diff) | |
| download | u-boot-imx-b0639ca33214eedeb026ce45ad1871d477cdbfb8.zip u-boot-imx-b0639ca33214eedeb026ce45ad1871d477cdbfb8.tar.gz u-boot-imx-b0639ca33214eedeb026ce45ad1871d477cdbfb8.tar.bz2 | |
Support new configuration of TRAB board with more memory
Minor cleanup of comments
Diffstat (limited to 'board/trab/memsetup.S')
| -rw-r--r-- | board/trab/memsetup.S | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/board/trab/memsetup.S b/board/trab/memsetup.S index 7914513..92f7d3b 100644 --- a/board/trab/memsetup.S +++ b/board/trab/memsetup.S @@ -5,7 +5,7 @@ * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl) * * Modified for the TRAB board by - * (C) Copyright 2002 + * (C) Copyright 2002-2003 * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> * * See file CREDITS for list of people who contributed to this @@ -101,6 +101,17 @@ #define B5_Tacp 0x0 #define B5_PMC 0x0 /* normal */ +#ifndef CONFIG_RAM_16MB /* 32 MB RAM */ +/* Bank6 */ +#define B6_MT 0x3 /* SDRAM */ +#define B6_Trcd 0x1 /* 3clk */ +#define B6_SCAN 0x1 /* 9 bit */ + +/* Bank7 */ +#define B7_MT 0x3 /* SDRAM */ +#define B7_Trcd 0x1 /* 3clk */ +#define B7_SCAN 0x1 /* 9 bit */ +#else /* CONFIG_RAM_16MB = 16 MB RAM */ /* Bank6 */ #define B6_MT 0x3 /* SDRAM */ #define B6_Trcd 0x1 /* 2clk */ @@ -110,6 +121,7 @@ #define B7_MT 0x3 /* SDRAM */ #define B7_Trcd 0x1 /* 2clk */ #define B7_SCAN 0x0 /* 8 bit */ +#endif /* CONFIG_RAM_16MB */ /* refresh parameter */ #define REFEN 0x1 /* enable refresh */ @@ -161,6 +173,10 @@ SMRDATA: .word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN)) /* GCS6 */ .word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN)) /* GCS7 */ .word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT) +#ifndef CONFIG_RAM_16MB /* 32 MB RAM */ + .word 0x10 /* BUSWIDTH=32, SCLK power saving mode, BANKSIZE 32M/32M */ +#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 */ |