Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / trizepsiv / eeprom.c

diff --git a/qemu/roms/u-boot/board/trizepsiv/eeprom.c b/qemu/roms/u-boot/board/trizepsiv/eeprom.c
new file mode 100644 (file)
index 0000000..1318edc
--- /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"
+);