From ab4860b255239dbaecccdd002c8d11f4ef54dd75 Mon Sep 17 00:00:00 2001 From: TsiChung Liew Date: Wed, 18 Jun 2008 19:27:23 -0500 Subject: [PATCH] ColdFire: Fix power up issue for MCF5235 Signed-off-by: TsiChung Liew --- board/freescale/m5235evb/m5235evb.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/board/freescale/m5235evb/m5235evb.c b/board/freescale/m5235evb/m5235evb.c index c2c8fe8590..bd8a4e5e68 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; -- 2.39.5