1 files changed, 62 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/trizepsiv/eeprom.c b/qemu/roms/u-boot/board/trizepsiv/eeprom.c
new file mode 100644
index 000000000..1318edc5d
--- /dev/null
+++ b/qemu/roms/u-boot/board/trizepsiv/eeprom.c
@@ -0,0 +1,62 @@
+/*
+ * (C) Copyright 2007
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <dm9000.h>
+
+static int do_read_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) {
+	unsigned int i;
+	u8 data[2];
+
+	for (i=0; i < 0x40; i++) {
+		if (!(i % 0x10))
+			printf("\n%08x:", i);
+		dm9000_read_srom_word(i, data);
+		printf(" %02x%02x", data[1], data[0]);
+	}
+	printf ("\n");
+	return (0);
+}
+
+static int do_write_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) {
+	int offset,value;
+
+	if (argc < 4)
+		return cmd_usage(cmdtp);
+
+	offset=simple_strtoul(argv[2],NULL,16);
+	value=simple_strtoul(argv[3],NULL,16);
+	if (offset > 0x40) {
+		printf("Wrong offset : 0x%x\n",offset);
+		return cmd_usage(cmdtp);
+	}
+	dm9000_write_srom_word(offset, value);
+	return (0);
+}
+
+int do_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) {
+	if (argc < 2)
+		return cmd_usage(cmdtp);
+
+	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
+		return cmd_usage(cmdtp);
+}
+
+U_BOOT_CMD(
+	dm9000ee,4,1,do_dm9000_eeprom,
+	"Read/Write eeprom connected to Ethernet Controller",
+	"\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"
+);