[U-Boot] [PATCH V4 3/8] imx: fec: Resolve speed before configuring gasket

Timo Ketola timo at exertus.fi
Fri Apr 20 06:35:25 CEST 2012


[undeleted Stefano from CC-list]

On 20.04.2012 00:23, Troy Kisky wrote:
> On 4/19/2012 2:13 PM, Troy Kisky wrote:
>> On 4/19/2012 1:18 PM, Timo Ketola wrote:
>>> On 19.04.2012 22:27, Troy Kisky wrote:
>>>> On 4/19/2012 1:55 AM, Timo Ketola wrote:
>>>>> -#if !defined(CONFIG_MII)
>>>>> - /* configure gasket for RMII, 50 MHz, no loopback, and no echo */
>>>>> - writew(MIIGSK_CFGR_IF_MODE_RMII,&fec->eth->miigsk_cfgr);
>>>>> +#if defined(CONFIG_RMII)
>>>>
>>>> While this change seems to make sense, it could break some boards.
>>>
>>> Please explain how. Every board using fec_mxc define CONFIG_MII - they have to:
>>>
>>> #ifndef CONFIG_MII
>>> #error "CONFIG_MII has to be defined!"
>>> #endif
>> Does every board that has a gasket define CONFIG_RMII?

Our board will be first.

>> Or are you saying that every board with a gasket is already broken?
> That should be
> "Or are you saying that every board using a reduced pin code is alread broken?"

Yes, if there were one. Is there?

--

Timo


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