From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Sat, 14 Dec 2013 13:30:30 +0100
Subject: [U-Boot] [PATCH 2/4] arm: pxa: always init ethaddr for LP-8x4x
In-Reply-To: <1386999720-23460-3-git-send-email-ynvich@gmail.com>
References: <1386999720-23460-1-git-send-email-ynvich@gmail.com>
	<1386999720-23460-3-git-send-email-ynvich@gmail.com>
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On Saturday, December 14, 2013 at 06:41:58 AM, Sergei Ianovich wrote:
> I always used tftp in my test, so the first dm9000 on LP-8x4x was
> always properly initialized. However, if the boot doesn't include
> network related commands, linux will not find a valid MAC and will
> complain.
> 
> No longer.
> 
> Signed-off-by: Sergei Ianovich <ynvich@gmail.com>
> ---
>  board/icpdas/lp8x4x/lp8x4x.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/board/icpdas/lp8x4x/lp8x4x.c b/board/icpdas/lp8x4x/lp8x4x.c
> index 1b68ef3..8396caa 100644
> --- a/board/icpdas/lp8x4x/lp8x4x.c
> +++ b/board/icpdas/lp8x4x/lp8x4x.c
> @@ -112,10 +112,18 @@ void usb_board_stop(void)
>  #ifdef CONFIG_DRIVER_DM9000
>  void lp8x4x_eth1_mac_init(void)
>  {
> +	u8 ethaddr[8];
>  	u8 eth1addr[8];
>  	int i;
>  	u8 reg;
> 
> +	eth_getenv_enetaddr_by_index("eth", 0, ethaddr);
> +	if (is_valid_ether_addr(ethaddr)) {
> +		for (i = 0, reg = 0x10; i < 6; i++, reg++) {
> +			writeb(reg, (u8 *)(DM9000_IO));
> +			writeb(ethaddr[i], (u8 *)(DM9000_DATA));
> +		}
> +	}
>  	eth_getenv_enetaddr_by_index("eth", 1, eth1addr);
>  	if (!is_valid_ether_addr(eth1addr))
>  		return;

Please pass the ethernet address via DT, will that not work for you ?

Best regards,
Marek Vasut