]>
git.ipfire.org Git - people/ms/u-boot.git/blob - board/BuS/EB+MCF-EV123/EB+MCF-EV123.c
3 * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de>
5 * (C) Copyright 2000-2003
6 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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/m5282.h"
34 puts ("Board: MCF-EV1 + MCF-EV23 (BuS Elektronik GmbH & Co. KG)\n");
35 #if (TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE)
36 puts (" Boot from Internal FLASH\n");
42 phys_size_t
initdram (int board_type
)
47 MCFSDRAMC_DCR
= MCFSDRAMC_DCR_RTIM_6
48 | MCFSDRAMC_DCR_RC ((15 * CONFIG_SYS_CLK
) >> 4);
49 #ifdef CONFIG_SYS_SDRAM_BASE0
51 MCFSDRAMC_DACR0
= MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE0
)
52 | MCFSDRAMC_DACR_CASL (1)
53 | MCFSDRAMC_DACR_CBM (3)
54 | MCFSDRAMC_DACR_PS_16
;
56 MCFSDRAMC_DMR0
= MCFSDRAMC_DMR_BAM_16M
| MCFSDRAMC_DMR_V
;
58 MCFSDRAMC_DACR0
|= MCFSDRAMC_DACR_IP
;
60 *(unsigned short *) (CONFIG_SYS_SDRAM_BASE0
) = 0xA5A5;
61 MCFSDRAMC_DACR0
|= MCFSDRAMC_DACR_RE
;
62 for (i
= 0; i
< 2000; i
++)
64 mbar_writeLong (MCFSDRAMC_DACR0
,
65 mbar_readLong (MCFSDRAMC_DACR0
) | MCFSDRAMC_DACR_IMRS
);
66 *(unsigned int *) (CONFIG_SYS_SDRAM_BASE0
+ 0x220) = 0xA5A5;
67 size
+= CONFIG_SYS_SDRAM_SIZE
* 1024 * 1024;
69 #ifdef CONFIG_SYS_SDRAM_BASE1
70 MCFSDRAMC_DACR1
= MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE1
)
71 | MCFSDRAMC_DACR_CASL (1)
72 | MCFSDRAMC_DACR_CBM (3)
73 | MCFSDRAMC_DACR_PS_16
;
75 MCFSDRAMC_DMR1
= MCFSDRAMC_DMR_BAM_16M
| MCFSDRAMC_DMR_V
;
77 MCFSDRAMC_DACR1
|= MCFSDRAMC_DACR_IP
;
79 *(unsigned short *) (CONFIG_SYS_SDRAM_BASE1
) = 0xA5A5;
80 MCFSDRAMC_DACR1
|= MCFSDRAMC_DACR_RE
;
82 for (i
= 0; i
< 2000; i
++)
85 MCFSDRAMC_DACR1
|= MCFSDRAMC_DACR_IMRS
;
86 *(unsigned int *) (CONFIG_SYS_SDRAM_BASE1
+ 0x220) = 0xA5A5;
87 size
+= CONFIG_SYS_SDRAM_SIZE1
* 1024 * 1024;
93 #if defined(CONFIG_SYS_DRAM_TEST)
96 uint
*pstart
= (uint
*) CONFIG_SYS_MEMTEST_START
;
97 uint
*pend
= (uint
*) CONFIG_SYS_MEMTEST_END
;
100 printf("SDRAM test phase 1:\n");
101 for (p
= pstart
; p
< pend
; p
++)
104 for (p
= pstart
; p
< pend
; p
++) {
105 if (*p
!= 0xaaaaaaaa) {
106 printf ("SDRAM test fails at: %08x\n", (uint
) p
);
111 printf("SDRAM test phase 2:\n");
112 for (p
= pstart
; p
< pend
; p
++)
115 for (p
= pstart
; p
< pend
; p
++) {
116 if (*p
!= 0x55555555) {
117 printf ("SDRAM test fails at: %08x\n", (uint
) p
);
122 printf("SDRAM test passed.\n");
127 int misc_init_r(void)
133 /*---------------------------------------------------------------------------*/
135 int do_vcimage (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
142 source
= simple_strtoul(argv
[1],NULL
,16);
143 vcxk_loadimage(source
);
147 printf ("Usage:\n%s\n", cmdtp
->usage
);
154 /***************************************************/
157 vcimage
, 2, 0, do_vcimage
,
158 "vcimage - loads an image to Display\n",
162 /* EOF EB+MCF-EV123c */