3 * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
6 * David Mueller, ELSOFT AG, d.mueller@elsoft.ch
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,
32 #include "../common/common_util.h"
34 #if defined(CONFIG_DRIVER_CS8900)
35 #include <../drivers/net/cs8900.h>
37 static uchar cs8900_chksum(ushort data)
39 return((data >> 8) & 0x00FF) + (data & 0x00FF);
44 DECLARE_GLOBAL_DATA_PTR;
46 extern void print_vcma9_info(void);
47 extern int vcma9_cantest(int);
48 extern int vcma9_nandtest(void);
49 extern int vcma9_nanderase(void);
50 extern int vcma9_nandread(ulong);
51 extern int vcma9_nandwrite(ulong);
52 extern int vcma9_dactest(int);
53 extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
55 /* ------------------------------------------------------------------------- */
57 int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
59 if (strcmp(argv[1], "info") == 0)
64 #if defined(CONFIG_DRIVER_CS8900)
65 if (strcmp(argv[1], "cs8900") == 0) {
66 if (strcmp(argv[2], "read") == 0) {
67 uchar addr; ushort data;
69 addr = simple_strtoul(argv[3], NULL, 16);
70 cs8900_e2prom_read(addr, &data);
71 printf("0x%2.2X: 0x%4.4X\n", addr, data);
72 } else if (strcmp(argv[2], "write") == 0) {
73 uchar addr; ushort data;
75 addr = simple_strtoul(argv[3], NULL, 16);
76 data = simple_strtoul(argv[4], NULL, 16);
77 cs8900_e2prom_write(addr, data);
78 } else if (strcmp(argv[2], "setaddr") == 0) {
79 uchar addr, i, csum; ushort data;
82 /* check for valid ethaddr */
83 if (eth_getenv_enetaddr("ethaddr", ethaddr)) {
86 cs8900_e2prom_write(addr, data);
87 csum = cs8900_chksum(data);
89 for (i = 0; i < 6; i+=2) {
90 data = ethaddr[i+1] << 8 |
92 cs8900_e2prom_write(addr, data);
93 csum += cs8900_chksum(data);
96 /* calculate header link byte */
97 data = 0xA100 | (addr * 2);
98 cs8900_e2prom_write(0, data);
99 csum += cs8900_chksum(data);
100 /* write checksum word */
101 cs8900_e2prom_write(addr, (0 - csum) << 8);
103 puts("\nplease defined 'ethaddr'\n");
105 } else if (strcmp(argv[2], "dump") == 0) {
106 uchar addr = 0, endaddr, csum; ushort data;
108 puts("Dump of CS8900 config device: ");
109 cs8900_e2prom_read(addr, &data);
110 if ((data & 0xE000) == 0xA000) {
111 endaddr = (data & 0x00FF) / 2;
112 csum = cs8900_chksum(data);
113 for (addr = 1; addr <= endaddr; addr++) {
114 cs8900_e2prom_read(addr, &data);
115 printf("\n0x%2.2X: 0x%4.4X", addr, data);
116 csum += cs8900_chksum(data);
118 printf("\nChecksum: %s", (csum == 0) ? "ok" : "wrong");
120 puts("no valid config found");
129 if (strcmp(argv[1], "cantest") == 0) {
131 vcma9_cantest(strcmp(argv[2], "s") ? 0 : 1);
136 if (strcmp(argv[1], "nandtest") == 0) {
140 if (strcmp(argv[1], "nanderase") == 0) {
144 if (strcmp(argv[1], "nandread") == 0) {
148 offset = simple_strtoul(argv[2], NULL, 16);
150 vcma9_nandread(offset);
153 if (strcmp(argv[1], "nandwrite") == 0) {
157 offset = simple_strtoul(argv[2], NULL, 16);
159 vcma9_nandwrite(offset);
162 if (strcmp(argv[1], "dactest") == 0) {
164 vcma9_dactest(strcmp(argv[2], "s") ? 0 : 1);
171 return (do_mplcommon(cmdtp, flag, argc, argv));
175 vcma9, 6, 1, do_vcma9,
176 "VCMA9 specific commands",
177 "flash mem [SrcAddr]\n - updates U-Boot with image in memory"