mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-26 11:58:52 +09:00
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/*
|
|
* (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"
|
|
);
|