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Diffstat (limited to 'board/voiceblue/eeprom.c')
-rw-r--r--board/voiceblue/eeprom.c144
1 files changed, 108 insertions, 36 deletions
diff --git a/board/voiceblue/eeprom.c b/board/voiceblue/eeprom.c
index 6383a02..25e2294 100644
--- a/board/voiceblue/eeprom.c
+++ b/board/voiceblue/eeprom.c
@@ -30,40 +30,6 @@
#define SMC_BASE_ADDRESS CONFIG_SMC91111_BASE
-static int verify_macaddr(char *);
-static int set_mac(char *);
-
-int eeprom(int argc, char *argv[])
-{
- app_startup(argv);
- if (get_version() != XF_VERSION) {
- printf("Wrong XF_VERSION.\n");
- printf("Application expects ABI version %d\n", XF_VERSION);
- printf("Actual U-Boot ABI version %d\n", (int)get_version());
- return 1;
- }
-
- if ((SMC_inw (BANK_SELECT) & 0xFF00) != 0x3300) {
- printf("SMSC91111 not found.\n");
- return 2;
- }
-
- if (argc != 2) {
- printf("VoiceBlue EEPROM writer\n");
- printf("Built: %s at %s\n", __DATE__ , __TIME__ );
- printf("Usage:\n\t<mac_address>");
- return 3;
- }
-
- set_mac(argv[1]);
- if (verify_macaddr(argv[1])) {
- printf("*** ERROR ***\n");
- return 4;
- }
-
- return 0;
-}
-
static u16 read_eeprom_reg(u16 reg)
{
int timeout;
@@ -106,17 +72,28 @@ static int write_eeprom_reg(u16 value, u16 reg)
return 1;
}
+static int write_data(u16 *buf, int len)
+{
+ u16 reg = 0x23;
+
+ while (len--)
+ write_eeprom_reg(*buf++, reg++);
+
+ return 0;
+}
+
static int verify_macaddr(char *s)
{
u16 reg;
int i, err = 0;
- printf("Verifying MAC Address: ");
+ printf("MAC Address: ");
err = i = 0;
for (i = 0; i < 3; i++) {
reg = read_eeprom_reg(0x20 + i);
printf("%02x:%02x%c", reg & 0xff, reg >> 8, i != 2 ? ':' : '\n');
- err |= reg != ((u16 *)s)[i];
+ if (s)
+ err |= reg != ((u16 *)s)[i];
}
return err ? 0 : 1;
@@ -138,3 +115,98 @@ static int set_mac(char *s)
return 0;
}
+
+static int parse_element(char *s, unsigned char *buf, int len)
+{
+ int cnt;
+ char *p, num[3];
+ unsigned char id;
+
+ id = simple_strtoul(s, &p, 16);
+ if (*p++ != ':')
+ return -1;
+ cnt = 2;
+ num[2] = 0;
+ for (; *p; p += 2) {
+ if (p[1] == 0)
+ return -2;
+ if (cnt + 3 > len)
+ return -3;
+ num[0] = p[0];
+ num[1] = p[1];
+ buf[cnt++] = simple_strtoul(num, NULL, 16);
+ }
+ buf[0] = id;
+ buf[1] = cnt - 2;
+
+ return cnt;
+}
+
+int eeprom(int argc, char *argv[])
+{
+ int i, len, ret;
+ unsigned char buf[58], *p;
+
+ app_startup(argv);
+ if (get_version() != XF_VERSION) {
+ printf("Wrong XF_VERSION.\n");
+ printf("Application expects ABI version %d\n", XF_VERSION);
+ printf("Actual U-Boot ABI version %d\n", (int)get_version());
+ return 1;
+ }
+
+ if ((SMC_inw (BANK_SELECT) & 0xFF00) != 0x3300) {
+ printf("SMSC91111 not found.\n");
+ return 2;
+ }
+
+ /* Called without parameters - print MAC address */
+ if (argc < 2) {
+ verify_macaddr(NULL);
+ return 0;
+ }
+
+ /* Print help message */
+ if (argv[1][1] == 'h') {
+ printf("VoiceBlue EEPROM writer\n");
+ printf("Built: %s at %s\n", __DATE__ , __TIME__ );
+ printf("Usage:\n\t<mac_address> [<element_1>] [<...>]\n");
+ return 0;
+ }
+
+ /* Try to parse information elements */
+ len = sizeof(buf);
+ p = buf;
+ for (i = 2; i < argc; i++) {
+ ret = parse_element(argv[i], p, len);
+ switch (ret) {
+ case -1:
+ printf("Element %d: malformed\n", i - 1);
+ return 3;
+ case -2:
+ printf("Element %d: odd character count\n", i - 1);
+ return 3;
+ case -3:
+ printf("Out of EEPROM memory\n");
+ return 3;
+ default:
+ p += ret;
+ len -= ret;
+ }
+ }
+
+ /* First argument (MAC) is mandatory */
+ set_mac(argv[1]);
+ if (verify_macaddr(argv[1])) {
+ printf("*** MAC address does not match! ***\n");
+ return 4;
+ }
+
+ while (len--)
+ *p++ = 0;
+
+ write_data((u16 *)buf, sizeof(buf) >> 1);
+
+ return 0;
+}
+