[PATCH 10/11] rockchip: misc: Set eth1addr mac address

[Chen-Yu Tsai]

On Thu, Feb 16, 2023 at 7:57 AM Jonas Karlman <jonas at kwiboo.se> wrote:
>
> Set eth1addr when there is an ethernet1 alias in the fdt.

Maybe it makes sense to set it regardless whether an alias is present
or not?

The user might be loading a custom FDT for the kernel, or have DT
overlays stacked on, either could have the "ethernet1" alias while
the U-boot DT doesn't.

ChenYu

> Also allow fdt fixup of ethernet mac addresses when CMD_NET is disabled.
> Set ethaddr and eth1addr based on HASH and SHA256 options.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
> ---
>  arch/arm/mach-rockchip/misc.c | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-rockchip/misc.c b/arch/arm/mach-rockchip/misc.c
> index b350f18f1140..aceaea6b29b7 100644
> --- a/arch/arm/mach-rockchip/misc.c
> +++ b/arch/arm/mach-rockchip/misc.c
> @@ -21,9 +21,11 @@
>
>  #include <asm/arch-rockchip/misc.h>
>
> +DECLARE_GLOBAL_DATA_PTR;
> +
>  int rockchip_setup_macaddr(void)
>  {
> -#if IS_ENABLED(CONFIG_CMD_NET)
> +#if CONFIG_IS_ENABLED(HASH) && CONFIG_IS_ENABLED(SHA256)
>         int ret;
>         const char *cpuid = env_get("cpuid#");
>         u8 hash[SHA256_SUM_LEN];
> @@ -52,6 +54,12 @@ int rockchip_setup_macaddr(void)
>         mac_addr[0] &= 0xfe;  /* clear multicast bit */
>         mac_addr[0] |= 0x02;  /* set local assignment bit (IEEE802) */
>         eth_env_set_enetaddr("ethaddr", mac_addr);
> +
> +       if (gd->fdt_blob && fdt_get_alias(gd->fdt_blob, "ethernet1")) {
> +               /* Make a valid MAC address for eth1 */
> +               mac_addr[5] += 0x20;
> +               eth_env_set_enetaddr("eth1addr", mac_addr);
> +       }
>  #endif
>         return 0;
>  }
> --
> 2.39.1
>