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Command usage cleanup
[u-boot] / board / mpl / vcma9 / cmd_vcma9.c
1 /*
2  * (C) Copyright 2002
3  * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
4  *
5  * adapted for VCMA9
6  * David Mueller, ELSOFT AG, d.mueller@elsoft.ch
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
28 #include <common.h>
29 #include <command.h>
30 #include "vcma9.h"
31 #include "../common/common_util.h"
32
33 #if defined(CONFIG_DRIVER_CS8900)
34 #include <../drivers/net/cs8900.h>
35
36 static uchar cs8900_chksum(ushort data)
37 {
38         return((data >> 8) & 0x00FF) + (data & 0x00FF);
39 }
40
41 #endif
42
43 DECLARE_GLOBAL_DATA_PTR;
44
45 extern void print_vcma9_info(void);
46 extern int vcma9_cantest(int);
47 extern int vcma9_nandtest(void);
48 extern int vcma9_nanderase(void);
49 extern int vcma9_nandread(ulong);
50 extern int vcma9_nandwrite(ulong);
51 extern int vcma9_dactest(int);
52 extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
53
54 /* ------------------------------------------------------------------------- */
55
56 int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
57 {
58         if (strcmp(argv[1], "info") == 0)
59         {
60                 print_vcma9_info();
61                 return 0;
62         }
63 #if defined(CONFIG_DRIVER_CS8900)
64         if (strcmp(argv[1], "cs8900") == 0) {
65                 if (strcmp(argv[2], "read") == 0) {
66                         uchar addr; ushort data;
67
68                         addr = simple_strtoul(argv[3], NULL, 16);
69                         cs8900_e2prom_read(addr, &data);
70                         printf("0x%2.2X: 0x%4.4X\n", addr, data);
71                 } else if (strcmp(argv[2], "write") == 0) {
72                         uchar addr; ushort data;
73
74                         addr = simple_strtoul(argv[3], NULL, 16);
75                         data = simple_strtoul(argv[4], NULL, 16);
76                         cs8900_e2prom_write(addr, data);
77                 } else if (strcmp(argv[2], "setaddr") == 0) {
78                         uchar addr, i, csum; ushort data;
79
80                         /* check for valid ethaddr */
81                         for (i = 0; i < 6; i++)
82                                 if (gd->bd->bi_enetaddr[i] != 0)
83                                         break;
84
85                         if (i < 6) {
86                                 addr = 1;
87                                 data = 0x2158;
88                                 cs8900_e2prom_write(addr, data);
89                                 csum = cs8900_chksum(data);
90                                 addr++;
91                                 for (i = 0; i < 6; i+=2) {
92                                         data = gd->bd->bi_enetaddr[i+1] << 8 |
93                                                gd->bd->bi_enetaddr[i];
94                                         cs8900_e2prom_write(addr, data);
95                                         csum += cs8900_chksum(data);
96                                         addr++;
97                                 }
98                                 /* calculate header link byte */
99                                 data = 0xA100 | (addr * 2);
100                                 cs8900_e2prom_write(0, data);
101                                 csum += cs8900_chksum(data);
102                                 /* write checksum word */
103                                 cs8900_e2prom_write(addr, (0 - csum) << 8);
104                         } else {
105                                 puts("\nplease defined 'ethaddr'\n");
106                         }
107                 } else if (strcmp(argv[2], "dump") == 0) {
108                         uchar addr = 0, endaddr, csum; ushort data;
109
110                         puts("Dump of CS8900 config device: ");
111                         cs8900_e2prom_read(addr, &data);
112                         if ((data & 0xE000) == 0xA000) {
113                                 endaddr = (data & 0x00FF) / 2;
114                                 csum = cs8900_chksum(data);
115                                 for (addr = 1; addr <= endaddr; addr++) {
116                                         cs8900_e2prom_read(addr, &data);
117                                         printf("\n0x%2.2X: 0x%4.4X", addr, data);
118                                         csum += cs8900_chksum(data);
119                                 }
120                                 printf("\nChecksum: %s", (csum == 0) ? "ok" : "wrong");
121                         } else {
122                                 puts("no valid config found");
123                         }
124                         puts("\n");
125                 }
126
127                 return 0;
128         }
129 #endif
130 #if 0
131         if (strcmp(argv[1], "cantest") == 0) {
132                 if (argc >= 3)
133                         vcma9_cantest(strcmp(argv[2], "s") ? 0 : 1);
134                 else
135                         vcma9_cantest(0);
136                 return 0;
137         }
138         if (strcmp(argv[1], "nandtest") == 0) {
139                 vcma9_nandtest();
140                 return 0;
141         }
142         if (strcmp(argv[1], "nanderase") == 0) {
143                 vcma9_nanderase();
144                 return 0;
145         }
146         if (strcmp(argv[1], "nandread") == 0) {
147                 ulong offset = 0;
148
149                 if (argc >= 3)
150                         offset = simple_strtoul(argv[2], NULL, 16);
151
152                 vcma9_nandread(offset);
153                 return 0;
154         }
155         if (strcmp(argv[1], "nandwrite") == 0) {
156                 ulong offset = 0;
157
158                 if (argc >= 3)
159                         offset = simple_strtoul(argv[2], NULL, 16);
160
161                 vcma9_nandwrite(offset);
162                 return 0;
163         }
164         if (strcmp(argv[1], "dactest") == 0) {
165                 if (argc >= 3)
166                         vcma9_dactest(strcmp(argv[2], "s") ? 0 : 1);
167                 else
168                 vcma9_dactest(0);
169                 return 0;
170         }
171 #endif
172
173         return (do_mplcommon(cmdtp, flag, argc, argv));
174 }
175
176 U_BOOT_CMD(
177         vcma9, 6, 1, do_vcma9,
178         "VCMA9 specific commands",
179         "flash mem [SrcAddr]\n    - updates U-Boot with image in memory\n"
180 );