Set ethernet mac address in late init for Tinker Board, prevents getting a random mac address each boot.
Read mac address from eeprom, first 6 bytes from 0x50 on i2c2. Same as /etc/init.d/rockchip.sh on Tinker OS.
Signed-off-by: Jonas Karlman jonas@kwiboo.se ---
board/rockchip/tinker_rk3288/tinker-rk3288.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/board/rockchip/tinker_rk3288/tinker-rk3288.c b/board/rockchip/tinker_rk3288/tinker-rk3288.c index 79541a3939..48165b2545 100644 --- a/board/rockchip/tinker_rk3288/tinker-rk3288.c +++ b/board/rockchip/tinker_rk3288/tinker-rk3288.c @@ -5,3 +5,29 @@ */
#include <common.h> +#include <i2c.h> +#include <netdev.h> + +int rk_board_late_init(void) +{ + struct udevice *dev; + int ret; + u8 mac[6]; + + ret = i2c_get_chip_for_busnum(2, 0x50, 1, &dev); + if (ret) { + debug("failed to get eeprom\n"); + return 0; + } + + ret = dm_i2c_read(dev, 0x0, mac, 6); + if (ret) { + debug("failed to read mac\n"); + return 0; + } + + if (is_valid_ethaddr(mac)) + eth_setenv_enetaddr("ethaddr", mac); + + return 0; +}