/* * (C) Copyright 2002 * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch * * adapted for VCMA9 * David Mueller, ELSOFT AG, d.mueller@elsoft.ch * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * */ #include <common.h> #include <command.h> #include "vcma9.h" #include "../common/common_util.h" #if defined(CONFIG_DRIVER_CS8900) #include <../drivers/net/cs8900.h> static uchar cs8900_chksum(ushort data) { return((data >> 8) & 0x00FF) + (data & 0x00FF); } #endif DECLARE_GLOBAL_DATA_PTR; extern void print_vcma9_info(void); extern int vcma9_cantest(int); extern int vcma9_nandtest(void); extern int vcma9_nanderase(void); extern int vcma9_nandread(ulong); extern int vcma9_nandwrite(ulong); extern int vcma9_dactest(int); extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); /* ------------------------------------------------------------------------- */ int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { if (strcmp(argv[1], "info") == 0) { print_vcma9_info(); return 0; } #if defined(CONFIG_DRIVER_CS8900) if (strcmp(argv[1], "cs8900") == 0) { if (strcmp(argv[2], "read") == 0) { uchar addr; ushort data; addr = simple_strtoul(argv[3], NULL, 16); cs8900_e2prom_read(addr, &data); printf("0x%2.2X: 0x%4.4X\n", addr, data); } else if (strcmp(argv[2], "write") == 0) { uchar addr; ushort data; addr = simple_strtoul(argv[3], NULL, 16); data = simple_strtoul(argv[4], NULL, 16); cs8900_e2prom_write(addr, data); } else if (strcmp(argv[2], "setaddr") == 0) { uchar addr, i, csum; ushort data; /* check for valid ethaddr */ for (i = 0; i < 6; i++) if (gd->bd->bi_enetaddr[i] != 0) break; if (i < 6) { addr = 1; data = 0x2158; cs8900_e2prom_write(addr, data); csum = cs8900_chksum(data); addr++; for (i = 0; i < 6; i+=2) { data = gd->bd->bi_enetaddr[i+1] << 8 | gd->bd->bi_enetaddr[i]; cs8900_e2prom_write(addr, data); csum += cs8900_chksum(data); addr++; } /* calculate header link byte */ data = 0xA100 | (addr * 2); cs8900_e2prom_write(0, data); csum += cs8900_chksum(data); /* write checksum word */ cs8900_e2prom_write(addr, (0 - csum) << 8); } else { puts("\nplease defined 'ethaddr'\n"); } } else if (strcmp(argv[2], "dump") == 0) { uchar addr = 0, endaddr, csum; ushort data; puts("Dump of CS8900 config device: "); cs8900_e2prom_read(addr, &data); if ((data & 0xE000) == 0xA000) { endaddr = (data & 0x00FF) / 2; csum = cs8900_chksum(data); for (addr = 1; addr <= endaddr; addr++) { cs8900_e2prom_read(addr, &data); printf("\n0x%2.2X: 0x%4.4X", addr, data); csum += cs8900_chksum(data); } printf("\nChecksum: %s", (csum == 0) ? "ok" : "wrong"); } else { puts("no valid config found"); } puts("\n"); } return 0; } #endif #if 0 if (strcmp(argv[1], "cantest") == 0) { if (argc >= 3) vcma9_cantest(strcmp(argv[2], "s") ? 0 : 1); else vcma9_cantest(0); return 0; } if (strcmp(argv[1], "nandtest") == 0) { vcma9_nandtest(); return 0; } if (strcmp(argv[1], "nanderase") == 0) { vcma9_nanderase(); return 0; } if (strcmp(argv[1], "nandread") == 0) { ulong offset = 0; if (argc >= 3) offset = simple_strtoul(argv[2], NULL, 16); vcma9_nandread(offset); return 0; } if (strcmp(argv[1], "nandwrite") == 0) { ulong offset = 0; if (argc >= 3) offset = simple_strtoul(argv[2], NULL, 16); vcma9_nandwrite(offset); return 0; } if (strcmp(argv[1], "dactest") == 0) { if (argc >= 3) vcma9_dactest(strcmp(argv[2], "s") ? 0 : 1); else vcma9_dactest(0); return 0; } #endif return (do_mplcommon(cmdtp, flag, argc, argv)); } U_BOOT_CMD( vcma9, 6, 1, do_vcma9, "vcma9 - VCMA9 specific commands\n", "flash mem [SrcAddr]\n - updates U-Boot with image in memory\n" );