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wdenk1cb8e982003-03-06 21:55:29 +00001/*
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/cs8900.h>
35
36static uchar cs8900_chksum(ushort data)
37{
38 return((data >> 8) & 0x00FF) + (data & 0x00FF);
39}
40
41#endif
42
43extern void print_vcma9_info(void);
wdenk531716e2003-09-13 19:01:12 +000044extern int vcma9_cantest(int);
wdenk1cb8e982003-03-06 21:55:29 +000045extern int vcma9_nandtest(void);
wdenk531716e2003-09-13 19:01:12 +000046extern int vcma9_nanderase(void);
47extern int vcma9_nandread(ulong);
48extern int vcma9_nandwrite(ulong);
49extern int vcma9_dactest(int);
wdenk1cb8e982003-03-06 21:55:29 +000050extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
51
52/* ------------------------------------------------------------------------- */
53
54int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
55{
56 DECLARE_GLOBAL_DATA_PTR;
57
58 if (strcmp(argv[1], "info") == 0)
59 {
60 print_vcma9_info();
61 return 0;
62 }
63#if defined(CONFIG_DRIVER_CS8900)
wdenka2663ea2003-12-07 18:32:37 +000064 if (strcmp(argv[1], "cs8900") == 0) {
wdenk1cb8e982003-03-06 21:55:29 +000065 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 {
wdenka2663ea2003-12-07 18:32:37 +0000105 puts("\nplease defined 'ethaddr'\n");
wdenk1cb8e982003-03-06 21:55:29 +0000106 }
107 } else if (strcmp(argv[2], "dump") == 0) {
wdenk06d01db2003-03-14 20:47:52 +0000108 uchar addr = 0, endaddr, csum; ushort data;
wdenk1cb8e982003-03-06 21:55:29 +0000109
wdenka2663ea2003-12-07 18:32:37 +0000110 puts("Dump of CS8900 config device: ");
wdenk1cb8e982003-03-06 21:55:29 +0000111 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 {
wdenka2663ea2003-12-07 18:32:37 +0000122 puts("no valid config found");
wdenk1cb8e982003-03-06 21:55:29 +0000123 }
wdenka2663ea2003-12-07 18:32:37 +0000124 puts("\n");
wdenk1cb8e982003-03-06 21:55:29 +0000125 }
126
127 return 0;
128 }
129#endif
130#if 0
131 if (strcmp(argv[1], "cantest") == 0) {
wdenk531716e2003-09-13 19:01:12 +0000132 if (argc >= 3)
133 vcma9_cantest(strcmp(argv[2], "s") ? 0 : 1);
134 else
135 vcma9_cantest(0);
wdenk1cb8e982003-03-06 21:55:29 +0000136 return 0;
137 }
138 if (strcmp(argv[1], "nandtest") == 0) {
139 vcma9_nandtest();
140 return 0;
141 }
wdenk531716e2003-09-13 19:01:12 +0000142 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 }
wdenk1cb8e982003-03-06 21:55:29 +0000164 if (strcmp(argv[1], "dactest") == 0) {
wdenk531716e2003-09-13 19:01:12 +0000165 if (argc >= 3)
166 vcma9_dactest(strcmp(argv[2], "s") ? 0 : 1);
167 else
168 vcma9_dactest(0);
wdenk1cb8e982003-03-06 21:55:29 +0000169 return 0;
170 }
171#endif
172
173 return (do_mplcommon(cmdtp, flag, argc, argv));
174}
wdenk531716e2003-09-13 19:01:12 +0000175
176U_BOOT_CMD(
177 vcma9, 6, 1, do_vcma9,
178 "vcma9 - VCMA9 specific commands\n",
179 "flash mem [SrcAddr]\n - updates U-Boot with image in memory\n"
180);