odroid-c2: Populate serial# environment variable from efuse
diff --git a/board/amlogic/odroid-c2/odroid-c2.c b/board/amlogic/odroid-c2/odroid-c2.c
index 9306b56..b29f56d 100644
--- a/board/amlogic/odroid-c2/odroid-c2.c
+++ b/board/amlogic/odroid-c2/odroid-c2.c
@@ -24,6 +24,7 @@
int misc_init_r(void)
{
u8 mac_addr[EFUSE_MAC_SIZE];
+ char serial[EFUSE_SN_SIZE];
ssize_t len;
/* Set RGMII mode */
@@ -50,5 +51,12 @@
eth_setenv_enetaddr("ethaddr", mac_addr);
}
+ if (!getenv("serial#")) {
+ len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
+ EFUSE_SN_SIZE);
+ if (len == EFUSE_SN_SIZE)
+ setenv("serial#", serial);
+ }
+
return 0;
}