[U-Boot] [PATCH] net: Add option to disable fibre on M88E1111 PHY for PPC4xx

[Ben Warren]

Hi Stefan,

On 6/10/2010 2:28 AM, Stefan Roese wrote:
> By defining CONFIG_M88E1111_DISABLE_FIBRE boards can configure the
> M88E1111 PYH to disable fibre. This is needed for an upcoming PPC460GT
> based board, which has fibre/copper auto-selection enabled by default.
> This doesn't seem to work. So we disable fibre in the PHY register.
>
>    
I don't mean to be pedantic, but unless this is a Fibre Channel link 
(and it isn't), the appropriate spelling is 'FIBER'.  I say this 
reluctantly, having been raised using British/European spelling...
> Signed-off-by: Stefan Roese<sr at denx.de>
> Cc: Ben Warren<biggerbadderben at gmail.com>
> ---
>   drivers/net/4xx_enet.c |    5 +++++
>   1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/4xx_enet.c b/drivers/net/4xx_enet.c
> index 2fac641..2958903 100644
> --- a/drivers/net/4xx_enet.c
> +++ b/drivers/net/4xx_enet.c
> @@ -1095,6 +1095,11 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
>   		miiphy_write (dev->name, reg, 0x18, 0x4101);
>   		miiphy_write (dev->name, reg, 0x09, 0x0e00);
>   		miiphy_write (dev->name, reg, 0x04, 0x01e1);
> +#if defined(CONFIG_M88E1111_DISABLE_FIBRE)
> +		miiphy_read(dev->name, reg, 0x1b,&reg_short);
> +		reg_short |= 0x8000;
> +		miiphy_write(dev->name, reg, 0x1b, reg_short);
> +#endif
>   #endif
>   #if defined(CONFIG_M88E1112_PHY)
>   		if (bis->bi_phymode[devnum] == BI_PHYMODE_SGMII) {
>    
regards,
Ben