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 <net.h>
  31 #include "vcma9.h"
  32 #include "../common/common_util.h"
  33
  34 #if defined(CONFIG_DRIVER_CS8900)
  35 #include <../drivers/net/cs8900.h>
  36
  37 static uchar cs8900_chksum(ushort data)
  38 {
  39         return((data >> 8) & 0x00FF) + (data & 0x00FF);
  40 }
  41
  42 #endif
  43
  44 DECLARE_GLOBAL_DATA_PTR;
  45
  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[]);
  54
  55 /* ------------------------------------------------------------------------- */
  56
  57 int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  58 {
  59         if (strcmp(argv[1], "info") == 0)
  60         {
  61                 print_vcma9_info();
  62                 return 0;
  63         }
  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;
  68
  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;
  74
  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;
  80                         uchar ethaddr[6];
  81
  82                         /* check for valid ethaddr */
  83                         if (eth_getenv_enetaddr("ethaddr", ethaddr)) {
  84                                 addr = 1;
  85                                 data = 0x2158;
  86                                 cs8900_e2prom_write(addr, data);
  87                                 csum = cs8900_chksum(data);
  88                                 addr++;
  89                                 for (i = 0; i < 6; i+=2) {
  90                                         data = ethaddr[i+1] << 8 |
  91                                                ethaddr[i];
  92                                         cs8900_e2prom_write(addr, data);
  93                                         csum += cs8900_chksum(data);
  94                                         addr++;
  95                                 }
  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);
 102                         } else {
 103                                 puts("\nplease defined 'ethaddr'\n");
 104                         }
 105                 } else if (strcmp(argv[2], "dump") == 0) {
 106                         uchar addr = 0, endaddr, csum; ushort data;
 107
 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);
 117                                 }
 118                                 printf("\nChecksum: %s", (csum == 0) ? "ok" : "wrong");
 119                         } else {
 120                                 puts("no valid config found");
 121                         }
 122                         puts("\n");
 123                 }
 124
 125                 return 0;
 126         }
 127 #endif
 128 #if 0
 129         if (strcmp(argv[1], "cantest") == 0) {
 130                 if (argc >= 3)
 131                         vcma9_cantest(strcmp(argv[2], "s") ? 0 : 1);
 132                 else
 133                         vcma9_cantest(0);
 134                 return 0;
 135         }
 136         if (strcmp(argv[1], "nandtest") == 0) {
 137                 vcma9_nandtest();
 138                 return 0;
 139         }
 140         if (strcmp(argv[1], "nanderase") == 0) {
 141                 vcma9_nanderase();
 142                 return 0;
 143         }
 144         if (strcmp(argv[1], "nandread") == 0) {
 145                 ulong offset = 0;
 146
 147                 if (argc >= 3)
 148                         offset = simple_strtoul(argv[2], NULL, 16);
 149
 150                 vcma9_nandread(offset);
 151                 return 0;
 152         }
 153         if (strcmp(argv[1], "nandwrite") == 0) {
 154                 ulong offset = 0;
 155
 156                 if (argc >= 3)
 157                         offset = simple_strtoul(argv[2], NULL, 16);
 158
 159                 vcma9_nandwrite(offset);
 160                 return 0;
 161         }
 162         if (strcmp(argv[1], "dactest") == 0) {
 163                 if (argc >= 3)
 164                         vcma9_dactest(strcmp(argv[2], "s") ? 0 : 1);
 165                 else
 166                 vcma9_dactest(0);
 167                 return 0;
 168         }
 169 #endif
 170
 171         return (do_mplcommon(cmdtp, flag, argc, argv));
 172 }
 173
 174 U_BOOT_CMD(
 175         vcma9, 6, 1, do_vcma9,
 176         "VCMA9 specific commands",
 177         "flash mem [SrcAddr]\n    - updates U-Boot with image in memory\n"
 178 );