| /* |
| * (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) { |
| cmd_usage(cmdtp); |
| 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); |
| cmd_usage(cmdtp); |
| 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) { |
| cmd_usage(cmdtp); |
| 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 { |
| cmd_usage(cmdtp); |
| 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"); |