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7
8#include <common.h>
9#include <command.h>
10#include <dm9000.h>
11
12static int do_read_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) {
13 unsigned int i;
14 u8 data[2];
15
16 for (i=0; i < 0x40; i++) {
17 if (!(i % 0x10))
18 printf("\n%08x:", i);
19 dm9000_read_srom_word(i, data);
20 printf(" %02x%02x", data[1], data[0]);
21 }
22 printf ("\n");
23 return (0);
24}
25
26static int do_write_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) {
27 int offset,value;
28
29 if (argc < 4)
30 return cmd_usage(cmdtp);
31
32 offset=simple_strtoul(argv[2],NULL,16);
33 value=simple_strtoul(argv[3],NULL,16);
34 if (offset > 0x40) {
35 printf("Wrong offset : 0x%x\n",offset);
36 return cmd_usage(cmdtp);
37 }
38 dm9000_write_srom_word(offset, value);
39 return (0);
40}
41
42int do_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) {
43 if (argc < 2)
44 return cmd_usage(cmdtp);
45
46 if (strcmp (argv[1],"read") == 0)
47 return (do_read_dm9000_eeprom(cmdtp,flag,argc,argv));
48 else if (strcmp (argv[1],"write") == 0)
49 return (do_write_dm9000_eeprom(cmdtp,flag,argc,argv));
50 else
51 return cmd_usage(cmdtp);
52}
53
54U_BOOT_CMD(
55 dm9000ee,4,1,do_dm9000_eeprom,
56 "Read/Write eeprom connected to Ethernet Controller",
57 "\ndm9000ee write <word offset> <value> \n"
58 "\tdm9000ee read \n"
59 "\tword:\t\t00-02 : MAC Address\n"
60 "\t\t\t03-07 : DM9000 Configuration\n"
61 "\t\t\t08-63 : User data"
62);
63
