[U-Boot] [PATCH] odroid-c2: Populate serial# environment variable from efuse

[Martin Böh]

---
 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;
 }
-- 
2.13.0

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