diff options
Diffstat (limited to 'board/cmc_pu2/memsetup.S')
| -rw-r--r-- | board/cmc_pu2/memsetup.S | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/board/cmc_pu2/memsetup.S b/board/cmc_pu2/memsetup.S index 2d0e1d7..b0c8d4c 100644 --- a/board/cmc_pu2/memsetup.S +++ b/board/cmc_pu2/memsetup.S @@ -6,7 +6,7 @@ * * Modified for the at91rm9200dk board by * (C) Copyright 2004 - * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> + * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> * * See file CREDITS for list of people who contributed to this * project. @@ -35,7 +35,7 @@ * some parameters for the board * * This is based on rm9200dk.cfg for the BDI2000 from ABATRON which in - * turn is based on the boot.bin code from ATMMEL + * turn is based on the boot.bin code from ATMEL * */ @@ -53,7 +53,7 @@ #define EBI_CFGR 0xFFFFFF64 #define EBI_CFGR_VAL 0x00000000 #define SMC2_CSR 0xFFFFFF70 -#define SMC2_CSR_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */ +#define SMC2_CSR_VAL 0x100032ad /* 16bit, 2 TDF, 4 WS */ /* clocks */ #define PLLAR 0xFFFFFC28 @@ -73,7 +73,7 @@ #define EBI_CSA 0xFFFFFF60 #define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */ #define SDRC_CR 0xFFFFFF98 -#define SDRC_CR_VAL 0x2188c155 +#define SDRC_CR_VAL 0x3399c1d4 /* set up the SDRAM */ #define SDRAM 0x20000000 /* address of the SDRAM */ #define SDRAM1 0x20000080 /* address of the SDRAM */ #define SDRAM_VAL 0x00000000 /* value written to SDRAM */ @@ -86,15 +86,20 @@ #define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */ -_TEXT_BASE: +_MTEXT_BASE: +#undef START_FROM_MEM +#ifdef START_FROM_MEM + .word TEXT_BASE-PHYS_FLASH_1 +#else .word TEXT_BASE +#endif -.globl memsetup -memsetup: +.globl lowlevelinit +lowlevelinit: /* memory control configuration */ /* this isn't very elegant, but what the heck */ ldr r0, =SMRDATA - ldr r1, _TEXT_BASE + ldr r1, _MTEXT_BASE sub r0, r0, r1 add r2, r0, #80 0: @@ -106,12 +111,12 @@ memsetup: cmp r2, r0 bne 0b /* delay - this is all done by guess */ - ldr r0, =0x00001000 + ldr r0, =0x00010000 1: subs r0, r0, #1 bhi 1b ldr r0, =SMRDATA1 - ldr r1, _TEXT_BASE + ldr r1, _MTEXT_BASE sub r0, r0, r1 add r2, r0, #176 2: |