1 files changed, 85 insertions, 0 deletions
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 <common.h>
+#include <command.h>
+
+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 <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");