From 5e5803e119de3bebd76fc9a57baac0b5aeccc8a3 Mon Sep 17 00:00:00 2001 From: stefano babic Date: Thu, 30 Aug 2007 23:01:49 +0200 Subject: PXA270: Added support for TrizepsIV board. This patch add support for the Trizeps IV module (520Mhz). Signed-off-by: Stefano Babic --- board/trizepsiv/eeprom.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 board/trizepsiv/eeprom.c (limited to 'board/trizepsiv/eeprom.c') diff --git a/board/trizepsiv/eeprom.c b/board/trizepsiv/eeprom.c new file mode 100644 index 0000000..3d3bc00 --- /dev/null +++ b/board/trizepsiv/eeprom.c @@ -0,0 +1,85 @@ +/* + * (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 +#include + +static unsigned char srom[128]; +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 \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"); -- cgit v1.1