]>
git.ipfire.org Git - people/ms/u-boot.git/blob - board/freescale/m53017evb/m53017evb.c
2 * (C) Copyright 2000-2003
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * Copyright (C) 2004-2008, 2012 Freescale Semiconductor, Inc.
6 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 #include <asm/immap.h>
32 DECLARE_GLOBAL_DATA_PTR
;
37 puts("Freescale M53017EVB\n");
41 phys_size_t
initdram(int board_type
)
43 sdram_t
*sdram
= (sdram_t
*)(MMAP_SDRAM
);
46 dramsize
= CONFIG_SYS_SDRAM_SIZE
* 0x100000;
48 for (i
= 0x13; i
< 0x20; i
++) {
49 if (dramsize
== (1 << i
))
54 out_be32(&sdram
->cs0
, CONFIG_SYS_SDRAM_BASE
| i
);
55 #ifdef CONFIG_SYS_SDRAM_BASE1
56 out_be32(&sdram
->cs1
, CONFIG_SYS_SDRAM_BASE
| i
);
58 out_be32(&sdram
->cfg1
, CONFIG_SYS_SDRAM_CFG1
);
59 out_be32(&sdram
->cfg2
, CONFIG_SYS_SDRAM_CFG2
);
64 out_be32(&sdram
->ctrl
, CONFIG_SYS_SDRAM_CTRL
| 2);
67 /* Perform two refresh cycles */
68 out_be32(&sdram
->ctrl
, CONFIG_SYS_SDRAM_CTRL
| 4);
69 out_be32(&sdram
->ctrl
, CONFIG_SYS_SDRAM_CTRL
| 4);
73 out_be32(&sdram
->mode
, CONFIG_SYS_SDRAM_MODE
);
75 out_be32(&sdram
->mode
, CONFIG_SYS_SDRAM_EMOD
);
78 out_be32(&sdram
->ctrl
, CONFIG_SYS_SDRAM_CTRL
| 2);
81 out_be32(&sdram
->ctrl
,
82 (CONFIG_SYS_SDRAM_CTRL
& ~0x80000000) | 0x10000c00);
92 /* TODO: XXX XXX XXX */
93 printf("DRAM test not implemented!\n");