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ColdFire: Fix power up issue for MCF5235

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Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
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TsiChung Liew 2008-06-18 19:27:23 -05:00 committed by John Rigby
parent dd08e97361
commit ab4860b255
1 changed files with 3 additions and 0 deletions
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3
board/freescale/m5235evb/m5235evb.c
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@ -75,9 +75,11 @@ phys_size_t initdram(int board_type)
sdram->dacr0 =
SDRAMC_DARCn_BA(CFG_SDRAM_BASE) | SDRAMC_DARCn_CASL_C1 |
SDRAMC_DARCn_CBM_CMD20 | SDRAMC_DARCn_PS_32;
asm("nop");
/* Initialize DMR0 */
sdram->dmr0 = ((dramsize - 1) & 0xFFFC0000) | SDRAMC_DMRn_V;
asm("nop");
/* Set IP (bit 3) in DACR */
sdram->dacr0 |= SDRAMC_DARCn_IP;
@ -100,6 +102,7 @@ phys_size_t initdram(int board_type)
/* Finish the configuration by issuing the MRS. */
sdram->dacr0 |= SDRAMC_DARCn_IMRS;
asm("nop");
/* Write to the SDRAM Mode Register */
*(u32 *) (CFG_SDRAM_BASE + 0x400) = 0xA5A59696;