blob: fad9c406d9bab6417140e7e84fe494d84ed072ad [file] [log] [blame]
Heiko Schocher9acb6262006-04-20 08:42:42 +02001/*
2 * (C) Copyright 2005
3 * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de>
4 *
5 * (C) Copyright 2000-2003
6 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
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.
15 *
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.
20 *
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,
24 * MA 02111-1307 USA
25 */
26
27#include <common.h>
28#include <command.h>
29#include "asm/m5282.h"
30#include "VCxK.h"
31
32int checkboard (void)
33{
34 puts ("Board: MCF-EV1 + MCF-EV23 (BuS Elektronik GmbH & Co. KG)\n");
35#if (TEXT_BASE == CFG_INT_FLASH_BASE)
36 puts (" Boot from Internal FLASH\n");
37#endif
38
39 return 0;
40}
41
Becky Bruce9973e3c2008-06-09 16:03:40 -050042phys_size_t initdram (int board_type)
Heiko Schocher9acb6262006-04-20 08:42:42 +020043{
44 int size,i;
45
46 size = 0;
47 MCFSDRAMC_DCR = MCFSDRAMC_DCR_RTIM_6
48 | MCFSDRAMC_DCR_RC((15 * CFG_CLK)>>4);
49 #ifdef CFG_SDRAM_BASE0
50
51 MCFSDRAMC_DACR0 = MCFSDRAMC_DACR_BASE(CFG_SDRAM_BASE0)
52 | MCFSDRAMC_DACR_CASL(1)
Wolfgang Denkdd520bf2006-11-30 18:02:20 +010053 | MCFSDRAMC_DACR_CBM(3)
Heiko Schocher9acb6262006-04-20 08:42:42 +020054 | MCFSDRAMC_DACR_PS_16);
55
56 MCFSDRAMC_DMR0 = MCFSDRAMC_DMR_BAM_16M
57 | MCFSDRAMC_DMR_V;
58
Wolfgang Denkdd520bf2006-11-30 18:02:20 +010059 MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IP;
Heiko Schocher9acb6262006-04-20 08:42:42 +020060
61 *(unsigned short *)(CFG_SDRAM_BASE0) = 0xA5A5;
62 MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_RE;
63 for (i=0; i < 2000; i++)
64 asm(" nop");
65 mbar_writeLong(MCFSDRAMC_DACR0, mbar_readLong(MCFSDRAMC_DACR0)
66 | MCFSDRAMC_DACR_IMRS);
67 *(unsigned int *)(CFG_SDRAM_BASE0 + 0x220) = 0xA5A5;
68 size += CFG_SDRAM_SIZE * 1024 * 1024;
69 #endif
70 #ifdef CFG_SDRAM_BASE1
71 MCFSDRAMC_DACR1 = MCFSDRAMC_DACR_BASE(CFG_SDRAM_BASE1)
72 | MCFSDRAMC_DACR_CASL(1)
Wolfgang Denkdd520bf2006-11-30 18:02:20 +010073 | MCFSDRAMC_DACR_CBM(3)
Heiko Schocher9acb6262006-04-20 08:42:42 +020074 | MCFSDRAMC_DACR_PS_16;
75
Wolfgang Denkdd520bf2006-11-30 18:02:20 +010076 MCFSDRAMC_DMR1 = MCFSDRAMC_DMR_BAM_16M
Heiko Schocher9acb6262006-04-20 08:42:42 +020077 | MCFSDRAMC_DMR_V;
78
79 MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IP;
80
81 *(unsigned short *)(CFG_SDRAM_BASE1) = 0xA5A5;
82 MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_RE;
83 for (i=0; i < 2000; i++)
84 asm(" nop");
Wolfgang Denkdd520bf2006-11-30 18:02:20 +010085 MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IMRS;
Heiko Schocher9acb6262006-04-20 08:42:42 +020086 *(unsigned int *)(CFG_SDRAM_BASE1 + 0x220) = 0xA5A5;
87 size += CFG_SDRAM_SIZE1 * 1024 * 1024;
88 #endif
89 return size;
90}
91
92
93#if defined(CFG_DRAM_TEST)
94int testdram (void)
95{
96 uint *pstart = (uint *) CFG_MEMTEST_START;
97 uint *pend = (uint *) CFG_MEMTEST_END;
98 uint *p;
99
100 printf("SDRAM test phase 1:\n");
101 for (p = pstart; p < pend; p++)
102 *p = 0xaaaaaaaa;
103
104 for (p = pstart; p < pend; p++) {
105 if (*p != 0xaaaaaaaa) {
106 printf ("SDRAM test fails at: %08x\n", (uint) p);
107 return 1;
108 }
109 }
110
111 printf("SDRAM test phase 2:\n");
112 for (p = pstart; p < pend; p++)
113 *p = 0x55555555;
114
115 for (p = pstart; p < pend; p++) {
116 if (*p != 0x55555555) {
117 printf ("SDRAM test fails at: %08x\n", (uint) p);
118 return 1;
119 }
120 }
121
122 printf("SDRAM test passed.\n");
123 return 0;
124}
125#endif
126
127int misc_init_r(void)
128{
129 init_vcxk();
130 return 1;
131}
132
133/*---------------------------------------------------------------------------*/
134
135int do_vcimage (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
136{
137 int rcode = 0;
138 ulong source;
139
140 switch (argc) {
141 case 2:
142 source = simple_strtoul(argv[1],NULL,16);
143 vcxk_loadimage(source);
144 rcode = 0;
145 break;
146 default:
147 printf ("Usage:\n%s\n", cmdtp->usage);
148 rcode = 1;
149 break;
150 }
151 return rcode;
152}
153
154/***************************************************/
155
156U_BOOT_CMD(
157 vcimage, 2, 0, do_vcimage,
158 "vcimage - loads an image to Display\n",
159 "vcimage addr\n"
160);
161
162/* EOF EB+MCF-EV123c */