odroid-c2: Populate serial# environment variable from efuse

Martin Böh · Tom Rini
1 parent fb07f97d6e
Showing 1 changed file with 8 additions and 0 deletions Side-by-side Diff
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 */
@@ -48,6 +49,13 @@
 					  mac_addr, EFUSE_MAC_SIZE);
 		if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
 			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;
...	...	@@ -24,6 +24,7 @@
24	24	int misc_init_r(void)
25	25	{
26	26	u8 mac_addr[EFUSE_MAC_SIZE];
	27	+ char serial[EFUSE_SN_SIZE];
27	28	ssize_t len;
28	29
29	30	/* Set RGMII mode */
...	...	@@ -48,6 +49,13 @@
48	49	mac_addr, EFUSE_MAC_SIZE);
49	50	if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
50	51	eth_setenv_enetaddr("ethaddr", mac_addr);
	52	+ }
	53	+
	54	+ if (!getenv("serial#")) {
	55	+ len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
	56	+ EFUSE_SN_SIZE);
	57	+ if (len == EFUSE_SN_SIZE)
	58	+ setenv("serial#", serial);
51	59	}
52	60
53	61	return 0;