As boards from multiple vendors (Milk-V, StarFive, Pine64) use the mac command provide a sub-command to set the vendor string.
Reported-by: E. Shattow lucent@gmail.com Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- v5: use strncpy to avoid failures if vendor string contains printf codes (e.g. '%d') v4: no change v3: new patch --- .../visionfive2/visionfive2-i2c-eeprom.c | 25 ++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/board/starfive/visionfive2/visionfive2-i2c-eeprom.c b/board/starfive/visionfive2/visionfive2-i2c-eeprom.c index 9648a270494..d6e7676bff1 100644 --- a/board/starfive/visionfive2/visionfive2-i2c-eeprom.c +++ b/board/starfive/visionfive2/visionfive2-i2c-eeprom.c @@ -404,6 +404,24 @@ static void set_product_id(char *string) update_crc(); }
+/** + * set_vendor() - set vendor name + * + * Takes a pointer to a string representing the vendor name, e.g. + * "StarFive Technology Co., Ltd.", stores it in the vendor field + * of the EEPROM local copy, and updates the CRC of the local copy. + */ +static void set_vendor(char *string) +{ + memset(pbuf.eeprom.atom1.data.vstr, 0, + sizeof(pbuf.eeprom.atom1.data.vstr)); + + strncpy(pbuf.eeprom.atom1.data.vstr, + string, sizeof(pbuf.eeprom.atom1.data.vstr) - 1); + + update_crc(); +} + const char *get_product_id_from_eeprom(void) { if (read_eeprom()) @@ -463,6 +481,9 @@ int do_mac(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) } else if (!strcmp(cmd, "product_id")) { set_product_id(argv[2]); return 0; + } else if (!strcmp(cmd, "vendor")) { + set_vendor(argv[2]); + return 0; }
return CMD_RET_USAGE; @@ -586,7 +607,9 @@ U_BOOT_LONGHELP(mac, "mac bom_revision <A>\n" " - stores a StarFive BOM revision into the local EEPROM copy\n" "mac product_id <VF7110A1-2228-D008E000-xxxxxxxx>\n" - " - stores a StarFive product ID into the local EEPROM copy\n"); + " - stores a StarFive product ID into the local EEPROM copy\n" + "mac vendor <Vendor Name>\n" + " - set vendor string\n");
U_BOOT_CMD( mac, 3, 1, do_mac,