summaryrefslogtreecommitdiff
path: root/board/m5282evb/m5282evb.c
diff options
context:
space:
mode:
authorTsiChung Liew <Tsi-Chung.Liew@freescale.com>2008-08-11 15:26:43 +0000
committerJohn Rigby <jrigby@freescale.com>2008-08-14 12:31:56 -0600
commit10db3a17a278dd3a27668b31cb32cdd1476e9513 (patch)
tree272e325441c7c218070802ba55da71aa76ff59d6 /board/m5282evb/m5282evb.c
parent56df091d391f74bbf2dc2f7931f9f3c8f23529e4 (diff)
downloadu-boot-imx-10db3a17a278dd3a27668b31cb32cdd1476e9513.zip
u-boot-imx-10db3a17a278dd3a27668b31cb32cdd1476e9513.tar.gz
u-boot-imx-10db3a17a278dd3a27668b31cb32cdd1476e9513.tar.bz2
ColdFire: Move m5282evb from board to board/freescale
Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
Diffstat (limited to 'board/m5282evb/m5282evb.c')
-rw-r--r--board/m5282evb/m5282evb.c93
1 files changed, 0 insertions, 93 deletions
diff --git a/board/m5282evb/m5282evb.c b/board/m5282evb/m5282evb.c
deleted file mode 100644
index 50e5e77..0000000
--- a/board/m5282evb/m5282evb.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * (C) Copyright 2000-2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/immap.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-int checkboard (void)
-{
- puts ("Board: Freescale M5282EVB Evaluation Board\n");
- return 0;
-}
-
-phys_size_t initdram (int board_type)
-{
- u32 dramsize, i, dramclk;
-
- dramsize = CFG_SDRAM_SIZE * 0x100000;
- for (i = 0x13; i < 0x20; i++) {
- if (dramsize == (1 << i))
- break;
- }
- i--;
-
- if (!(MCFSDRAMC_DACR0 & MCFSDRAMC_DACR_RE))
- {
- dramclk = gd->bus_clk / (CFG_HZ * CFG_HZ);
-
- /* Initialize DRAM Control Register: DCR */
- MCFSDRAMC_DCR = (0
- | MCFSDRAMC_DCR_RTIM_6
- | MCFSDRAMC_DCR_RC((15 * dramclk)>>4));
-
- /* Initialize DACR0 */
- MCFSDRAMC_DACR0 = (0
- | MCFSDRAMC_DACR_BASE(CFG_SDRAM_BASE)
- | MCFSDRAMC_DACR_CASL(1)
- | MCFSDRAMC_DACR_CBM(3)
- | MCFSDRAMC_DACR_PS_32);
-
- /* Initialize DMR0 */
- MCFSDRAMC_DMR0 = (0
- | ((dramsize - 1) & 0xFFFC0000)
- | MCFSDRAMC_DMR_V);
-
- /* Set IP (bit 3) in DACR */
- MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IP;
-
- /* Wait 30ns to allow banks to precharge */
- for (i = 0; i < 5; i++) {
- asm ("nop");
- }
-
- /* Write to this block to initiate precharge */
- *(u32 *)(CFG_SDRAM_BASE) = 0xA5A59696;
-
- /* Set RE (bit 15) in DACR */
- MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_RE;
-
- /* Wait for at least 8 auto refresh cycles to occur */
- for (i = 0; i < 2000; i++) {
- asm(" nop");
- }
-
- /* Finish the configuration by issuing the IMRS. */
- MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IMRS;
-
- /* Write to the SDRAM Mode Register */
- *(u32 *)(CFG_SDRAM_BASE + 0x400) = 0xA5A59696;
- }
- return dramsize;
-}