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/cs8900.h>
  35
  36 static uchar cs8900_chksum(ushort data)
  37 {
  38         return((data >> 8) & 0x00FF) + (data & 0x00FF);
  39 }
  40
  41 #endif
  42
  43 extern void print_vcma9_info(void);
  44 extern int vcma9_cantest(int);
  45 extern int vcma9_nandtest(void);
  46 extern int vcma9_nanderase(void);
  47 extern int vcma9_nandread(ulong);
  48 extern int vcma9_nandwrite(ulong);
  49 extern int vcma9_dactest(int);
  50 extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
  51
  52 /* ------------------------------------------------------------------------- */
  53
  54 int 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)
  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   - VCMA9 specific commands\n",
 179         "flash mem [SrcAddr]\n    - updates U-Boot with image in memory\n"
 180 );