[PATCH] board: amlogic: vim3: configure serial# from ethaddr
Neil Armstrong
narmstrong at baylibre.com
Wed Jan 19 15:43:15 CET 2022
On 19/01/2022 15:24, Mattijs Korpershoek wrote:
> The Khadas VIM3 and VIM3L boards, which are supported in Android via
> Yukawa [1] need a serial number for usb/fastboot enumeration.
>
> Whenever the environment does not provide a serial#, use the eth mac
> address as serial#.
>
> [1] https://source.android.com/setup/build/devices#vim3_and_vim3l_boards
> Signed-off-by: Mattijs Korpershoek <mkorpershoek at baylibre.com>
> ---
> board/amlogic/vim3/vim3.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/board/amlogic/vim3/vim3.c b/board/amlogic/vim3/vim3.c
> index 5d9ac6458d68..fcd60ab1e058 100644
> --- a/board/amlogic/vim3/vim3.c
> +++ b/board/amlogic/vim3/vim3.c
> @@ -153,6 +153,7 @@ int misc_init_r(void)
> {
> u8 mac_addr[MAC_ADDR_LEN];
> char efuse_mac_addr[EFUSE_MAC_SIZE], tmp[3];
> + char serial_string[EFUSE_MAC_SIZE + 1];
> ssize_t len;
>
> if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
> @@ -177,5 +178,13 @@ int misc_init_r(void)
> eth_env_get_enetaddr("ethaddr", mac_addr);
> }
>
> + if (!env_get("serial#")) {
> + eth_env_get_enetaddr("ethaddr", mac_addr);
> + sprintf(serial_string, "%02X%02X%02X%02X%02X%02X",
> + mac_addr[0], mac_addr[1], mac_addr[2],
> + mac_addr[3], mac_addr[4], mac_addr[5]);
> + env_set("serial#", serial_string);
> + }
> +
> return 0;
> }
>
Reviewed-by: Neil Armstrong <narmstrong at baylibre.com>
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