/* * (C) Copyright 2007 * Stefano Babic, DENX Software Engineering, sbabic@denx.de. * * 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> extern u16 read_srom_word(int); extern void write_srom_word(int offset, u16 val); static int do_read_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { int i; for (i=0; i < 0x40; i++) { if (!(i % 0x10)) printf("\n%08lx:", i); printf(" %04x", read_srom_word(i)); } printf ("\n"); return (0); } static int do_write_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { int offset,value; if (argc < 4) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } offset=simple_strtoul(argv[2],NULL,16); value=simple_strtoul(argv[3],NULL,16); if (offset > 0x40) { printf("Wrong offset : 0x%x\n",offset); printf ("Usage:\n%s\n", cmdtp->usage); return 1; } write_srom_word(offset, value); return (0); } int do_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { if (argc < 2) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } if (strcmp (argv[1],"read") == 0) { return (do_read_dm9000_eeprom(cmdtp,flag,argc,argv)); } else if (strcmp (argv[1],"write") == 0) { return (do_write_dm9000_eeprom(cmdtp,flag,argc,argv)); } else { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } } U_BOOT_CMD( dm9000ee,4,1,do_dm9000_eeprom, "dm9000ee- Read/Write eeprom connected to Ethernet Controller\n", "\ndm9000ee write <word offset> <value> \n" "\tdm9000ee read \n" "\tword:\t\t00-02 : MAC Address\n" "\t\t\t03-07 : DM9000 Configuration\n" "\t\t\t08-63 : User data\n");