Add eeprom data format v3 support. Add onboard_module field in ATOM4 and add "mac onboard_module <?>" command to modify it.
The onboard module field marks the additional modules compared with VisionFive 2 board. Now we define bit7-1: reserved, bit0: WIFI/BT Signed-off-by: Hal Feng <[email protected]> --- .../visionfive2/visionfive2-i2c-eeprom.c | 36 +++++++++++++++++-- 1 file changed, 34 insertions(+), 2 deletions(-) diff --git a/board/starfive/visionfive2/visionfive2-i2c-eeprom.c b/board/starfive/visionfive2/visionfive2-i2c-eeprom.c index 986dcc94992..b9197cdd34f 100644 --- a/board/starfive/visionfive2/visionfive2-i2c-eeprom.c +++ b/board/starfive/visionfive2/visionfive2-i2c-eeprom.c @@ -105,7 +105,8 @@ struct eeprom_atom4_data { u8 bom_revision; /* BOM version */ u8 mac0_addr[MAC_ADDR_BYTES]; /* Ethernet0 MAC */ u8 mac1_addr[MAC_ADDR_BYTES]; /* Ethernet1 MAC */ - u8 reserved[2]; + u8 onboard_module; /* Onboard module flag: bit7-1: reserved, bit0: WIFI/BT */ + u8 reserved; }; struct starfive_eeprom_atom4 { @@ -176,7 +177,7 @@ static void show_eeprom(void) printf("Vendor : %s\n", pbuf.eeprom.atom1.data.vstr); printf("Product full SN: %s\n", pbuf.eeprom.atom1.data.pstr); printf("data version: 0x%x\n", pbuf.eeprom.atom4.data.version); - if (pbuf.eeprom.atom4.data.version == 2) { + if (pbuf.eeprom.atom4.data.version == 2 || pbuf.eeprom.atom4.data.version == 3) { printf("PCB revision: 0x%x\n", pbuf.eeprom.atom4.data.pcb_revision); printf("BOM revision: %c\n", pbuf.eeprom.atom4.data.bom_revision); printf("Ethernet MAC0 address: %02x:%02x:%02x:%02x:%02x:%02x\n", @@ -187,6 +188,14 @@ static void show_eeprom(void) pbuf.eeprom.atom4.data.mac1_addr[0], pbuf.eeprom.atom4.data.mac1_addr[1], pbuf.eeprom.atom4.data.mac1_addr[2], pbuf.eeprom.atom4.data.mac1_addr[3], pbuf.eeprom.atom4.data.mac1_addr[4], pbuf.eeprom.atom4.data.mac1_addr[5]); + if (pbuf.eeprom.atom4.data.version == 3) { + char str[25] = "Onboard module: "; + + if (pbuf.eeprom.atom4.data.onboard_module & BIT(0)) + strcat(str, "WIFI/BT"); + + printf("%s\n", str); + } } else { printf("Custom data v%d is not Supported\n", pbuf.eeprom.atom4.data.version); dump_raw_eeprom(); @@ -260,6 +269,7 @@ static void init_local_copy(void) pbuf.eeprom.atom4.data.bom_revision = BOM_VERSION; set_mac_address(STARFIVE_DEFAULT_MAC0, 0); set_mac_address(STARFIVE_DEFAULT_MAC1, 1); + pbuf.eeprom.atom4.data.onboard_module = 0; } /** @@ -385,6 +395,23 @@ static void set_bom_revision(char *string) update_crc(); } +/** + * set_onboard_module() - stores a StarFive onboard module flag into the local EEPROM copy + * + * Takes a pointer to a string representing the numeric onboard module flag in + * Hexadecimal ("0" - "FF"), stores it in the onboard_module field of the + * EEPROM local copy, and updates the CRC of the local copy. + */ +static void set_onboard_module(char *string) +{ + u8 onboard_module; + + onboard_module = simple_strtoul(string, &string, 16); + pbuf.eeprom.atom4.data.onboard_module = onboard_module; + + update_crc(); +} + /** * set_product_id() - stores a StarFive product ID into the local EEPROM copy * @@ -478,6 +505,9 @@ int do_mac(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) } else if (!strcmp(cmd, "bom_revision")) { set_bom_revision(argv[2]); return 0; + } else if (!strcmp(cmd, "onboard_module")) { + set_onboard_module(argv[2]); + return 0; } else if (!strcmp(cmd, "product_id")) { set_product_id(argv[2]); return 0; @@ -585,6 +615,8 @@ U_BOOT_LONGHELP(mac, " - stores a StarFive PCB revision into the local EEPROM copy\n" "mac bom_revision <A>\n" " - stores a StarFive BOM revision into the local EEPROM copy\n" + "mac onboard_module <?>\n" + " - stores a StarFive onboard module flag 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" "mac vendor <Vendor Name>\n" -- 2.43.2

