[U-Boot] [PATCH v4 1/2] sunxi: Serial number support, obtained from SID bits
Hans de Goede
hdegoede at redhat.com
Sun Mar 29 14:47:41 CEST 2015
Hi,
On 28-03-15 18:35, Paul Kocialkowski wrote:
> Signed-off-by: Paul Kocialkowski <contact at paulk.fr>
Thanks, I'm currently busy merging some more patches, once that
is done this patch should show up in u-boot-sunxi/next, and
it will be included in u-boot/master once the merge window
for v2015.07 opens.
Regards,
Hans
> ---
> board/sunxi/board.c | 33 ++++++++++++++++++++++-----------
> 1 file changed, 22 insertions(+), 11 deletions(-)
>
> diff --git a/board/sunxi/board.c b/board/sunxi/board.c
> index 01b654e..79516bf 100644
> --- a/board/sunxi/board.c
> +++ b/board/sunxi/board.c
> @@ -372,20 +372,31 @@ int g_dnl_board_usb_cable_connected(void)
> #ifdef CONFIG_MISC_INIT_R
> int misc_init_r(void)
> {
> + char serial_string[17] = { 0 };
> unsigned int sid[4];
> + uint8_t mac_addr[6];
> + int ret;
> +
> + ret = sunxi_get_sid(sid);
> + if (ret == 0 && sid[0] != 0 && sid[3] != 0) {
> + if (!getenv("ethaddr")) {
> + /* Non OUI / registered MAC address */
> + mac_addr[0] = 0x02;
> + mac_addr[1] = (sid[0] >> 0) & 0xff;
> + mac_addr[2] = (sid[3] >> 24) & 0xff;
> + mac_addr[3] = (sid[3] >> 16) & 0xff;
> + mac_addr[4] = (sid[3] >> 8) & 0xff;
> + mac_addr[5] = (sid[3] >> 0) & 0xff;
> +
> + eth_setenv_enetaddr("ethaddr", mac_addr);
> + }
>
> - if (!getenv("ethaddr") && sunxi_get_sid(sid) == 0 &&
> - sid[0] != 0 && sid[3] != 0) {
> - uint8_t mac_addr[6];
> -
> - mac_addr[0] = 0x02; /* Non OUI / registered MAC address */
> - mac_addr[1] = (sid[0] >> 0) & 0xff;
> - mac_addr[2] = (sid[3] >> 24) & 0xff;
> - mac_addr[3] = (sid[3] >> 16) & 0xff;
> - mac_addr[4] = (sid[3] >> 8) & 0xff;
> - mac_addr[5] = (sid[3] >> 0) & 0xff;
> + if (!getenv("serial#")) {
> + snprintf(serial_string, sizeof(serial_string),
> + "%08x%08x", sid[0], sid[3]);
>
> - eth_setenv_enetaddr("ethaddr", mac_addr);
> + setenv("serial#", serial_string);
> + }
> }
>
> #if defined(CONFIG_MUSB_HOST) || defined(CONFIG_MUSB_GADGET)
>
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