From cb86d3746a4a3f74142ca25f5a21848d5c2b5b55 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Martin=20B=C3=B6h?= <mart.b@outlook.de>
Date: Fri, 23 Jun 2017 13:40:00 +0000
Subject: [PATCH] odroid-c2: Populate serial# environment variable from efuse
---
board/amlogic/odroid-c2/odroid-c2.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/board/amlogic/odroid-c2/odroid-c2.c b/board/amlogic/odroid-c2/odroid-c2.c
index 9306b56a6a..b29f56d5eb 100644
--- a/board/amlogic/odroid-c2/odroid-c2.c
+++ b/board/amlogic/odroid-c2/odroid-c2.c
@@ -24,6 +24,7 @@ int board_init(void)
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 @@ int misc_init_r(void)
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;
}
--
2.39.5