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

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