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| author | TsiChung Liew <Tsi-Chung.Liew@freescale.com> | 2008-06-18 19:27:23 -0500 |
|---|---|---|
| committer | John Rigby <jrigby@freescale.com> | 2008-07-11 10:45:58 -0600 |
| commit | ab4860b255239dbaecccdd002c8d11f4ef54dd75 (patch) | |
| tree | 689796916df50e0c293e3414c701164fce074d28 /board | |
| parent | dd08e97361fbc9e79fa5ef1a8acf29273b934b11 (diff) | |
| download | u-boot-imx-ab4860b255239dbaecccdd002c8d11f4ef54dd75.zip u-boot-imx-ab4860b255239dbaecccdd002c8d11f4ef54dd75.tar.gz u-boot-imx-ab4860b255239dbaecccdd002c8d11f4ef54dd75.tar.bz2 | |
ColdFire: Fix power up issue for MCF5235
Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/m5235evb/m5235evb.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/board/freescale/m5235evb/m5235evb.c b/board/freescale/m5235evb/m5235evb.c index c2c8fe8..bd8a4e5 100644 --- a/board/freescale/m5235evb/m5235evb.c +++ b/board/freescale/m5235evb/m5235evb.c @@ -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; |