summaryrefslogtreecommitdiff
path: root/board/mpl/vcma9/cmd_vcma9.c
blob: 8df642d9ba6b512a321f8ee1a1c574533cf93756 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
/*
 * (C) Copyright 2002
 * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
 *
 * adapted for VCMA9
 * David Mueller, ELSOFT AG, d.mueller@elsoft.ch
 *
 * 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 <command.h>
#include "vcma9.h"
#include "../common/common_util.h"

#if defined(CONFIG_DRIVER_CS8900)
#include <../drivers/cs8900.h>

static uchar cs8900_chksum(ushort data)
{
	return((data >> 8) & 0x00FF) + (data & 0x00FF);
}

#endif

extern void print_vcma9_info(void);
extern int vcma9_cantest(int);
extern int vcma9_nandtest(void);
extern int vcma9_nanderase(void);
extern int vcma9_nandread(ulong);
extern int vcma9_nandwrite(ulong);
extern int vcma9_dactest(int);
extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);

/* ------------------------------------------------------------------------- */

int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	DECLARE_GLOBAL_DATA_PTR;

	if (strcmp(argv[1], "info") == 0)
	{
		print_vcma9_info();
	 	return 0;
   	}
#if defined(CONFIG_DRIVER_CS8900)
	if (strcmp(argv[1], "cs8900_eeprom") == 0) {
		if (strcmp(argv[2], "read") == 0) {
			uchar addr; ushort data;

			addr = simple_strtoul(argv[3], NULL, 16);
			cs8900_e2prom_read(addr, &data);
			printf("0x%2.2X: 0x%4.4X\n", addr, data);
		} else if (strcmp(argv[2], "write") == 0) {
			uchar addr; ushort data;

			addr = simple_strtoul(argv[3], NULL, 16);
			data = simple_strtoul(argv[4], NULL, 16);
			cs8900_e2prom_write(addr, data);
		} else if (strcmp(argv[2], "setaddr") == 0) {
			uchar addr, i, csum; ushort data;

			/* check for valid ethaddr */
			for (i = 0; i < 6; i++)
				if (gd->bd->bi_enetaddr[i] != 0)
					break;

			if (i < 6) {
				addr = 1;
				data = 0x2158;
				cs8900_e2prom_write(addr, data);
				csum = cs8900_chksum(data);
				addr++;
				for (i = 0; i < 6; i+=2) {
					data = gd->bd->bi_enetaddr[i+1] << 8 |
					       gd->bd->bi_enetaddr[i];
					cs8900_e2prom_write(addr, data);
					csum += cs8900_chksum(data);
					addr++;
				}
				/* calculate header link byte */
				data = 0xA100 | (addr * 2);
				cs8900_e2prom_write(0, data);
				csum += cs8900_chksum(data);
				/* write checksum word */
				cs8900_e2prom_write(addr, (0 - csum) << 8);
			} else {
				printf("\nplease defined 'ethaddr'\n");
			}
		} else if (strcmp(argv[2], "dump") == 0) {
			uchar addr = 0, endaddr, csum; ushort data;

			printf("Dump of CS8900 config device: ");
			cs8900_e2prom_read(addr, &data);
			if ((data & 0xE000) == 0xA000) {
				endaddr = (data & 0x00FF) / 2;
				csum = cs8900_chksum(data);
				for (addr = 1; addr <= endaddr; addr++) {
					cs8900_e2prom_read(addr, &data);
					printf("\n0x%2.2X: 0x%4.4X", addr, data);
					csum += cs8900_chksum(data);
				}
				printf("\nChecksum: %s", (csum == 0) ? "ok" : "wrong");
			} else {
				printf("no valid config found");
			}
			printf("\n");
		}

		return 0;
	}
#endif
#if 0
	if (strcmp(argv[1], "cantest") == 0) {
		if (argc >= 3)
			vcma9_cantest(strcmp(argv[2], "s") ? 0 : 1);
		else
			vcma9_cantest(0);
		return 0;
	}
	if (strcmp(argv[1], "nandtest") == 0) {
		vcma9_nandtest();
		return 0;
	}
	if (strcmp(argv[1], "nanderase") == 0) {
		vcma9_nanderase();
		return 0;
	}
	if (strcmp(argv[1], "nandread") == 0) {
		ulong offset = 0;

		if (argc >= 3)
			offset = simple_strtoul(argv[2], NULL, 16);

		vcma9_nandread(offset);
		return 0;
	}
	if (strcmp(argv[1], "nandwrite") == 0) {
		ulong offset = 0;

		if (argc >= 3)
			offset = simple_strtoul(argv[2], NULL, 16);

		vcma9_nandwrite(offset);
		return 0;
	}
	if (strcmp(argv[1], "dactest") == 0) {
		if (argc >= 3)
			vcma9_dactest(strcmp(argv[2], "s") ? 0 : 1);
		else
		vcma9_dactest(0);
		return 0;
	}
#endif

	return (do_mplcommon(cmdtp, flag, argc, argv));
}

U_BOOT_CMD(
	vcma9, 6, 1, do_vcma9,
	"vcma9   - VCMA9 specific commands\n",
	"flash mem [SrcAddr]\n    - updates U-Boot with image in memory\n"
);