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odroid-c2: Populate serial# environment variable from efuse

This commit is contained in:
Martin Böh 2017-06-23 13:40:00 +00:00 committed by Tom Rini
parent fb07f97d6e
commit cb86d3746a
1 changed files with 8 additions and 0 deletions
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8
board/amlogic/odroid-c2/odroid-c2.c
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@ -24,6 +24,7 @@ int board_init(void)
int misc_init_r(void) int misc_init_r(void)
{ {
u8 mac_addr[EFUSE_MAC_SIZE]; u8 mac_addr[EFUSE_MAC_SIZE];
char serial[EFUSE_SN_SIZE];
ssize_t len; ssize_t len;
/* Set RGMII mode */ /* Set RGMII mode */
@ -50,5 +51,12 @@ int misc_init_r(void)
eth_setenv_enetaddr("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; return 0;
} }