From mboxrd@z Thu Jan  1 00:00:00 1970
From: Shinya Kuribayashi <skuribay@pobox.com>
Date: Sun, 03 May 2009 10:20:53 +0900
Subject: [U-Boot] [PATCH] MIPS: Implement ethernet halt for au1x00
In-Reply-To: <49F1CB18.9070608@corelatus.se>
References: <49F1CB18.9070608@corelatus.se>
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To: u-boot@lists.denx.de

Thomas Lange wrote:
> Implement ethernet halt() by putting MAC0 in reset.
> If we do not do this, we will get memory corruption
> when ethernet frames are received during early OS boot.
> 
> Signed-off-by: Thomas Lange <thomas@corelatus.se>
> ---
>  cpu/mips/au1x00_eth.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/cpu/mips/au1x00_eth.c b/cpu/mips/au1x00_eth.c
> index 6272a3a..5074997 100644
> --- a/cpu/mips/au1x00_eth.c
> +++ b/cpu/mips/au1x00_eth.c
> @@ -276,6 +276,10 @@ static int au1x00_init(struct eth_device* dev, bd_t * bd){
>  }
> 
>  static void au1x00_halt(struct eth_device* dev){
> +	volatile u32 *macen = (volatile u32*)MAC0_ENABLE;
> +
> +	/* Put MAC0 in reset */
> +	*macen = 0;
>  }
> 
>  int au1x00_enet_initialize(bd_t *bis){

Acked-by: Shinya Kuribayashi <skuribay@pobox.com>


Wolfgang-san,

could you please pick up this patch directly?  Thanks,

  Shinya