[PATCH] ARM: atmel: sama5d3xek: let gmac auto detect phy id

Bo Shen voice.shen at atmel.com
Wed Jan 21 22:20:33 PST 2015


On 01/22/2015 01:12 PM, Bo Shen wrote:
> Hi J,
>
> On 01/22/2015 12:35 PM, Jean-Christophe PLAGNIOL-VILLARD wrote:
>>
>>> On Jan 21, 2015, at 11:07 PM, Sascha Hauer <s.hauer at pengutronix.de>
>>> wrote:
>>>
>>> On Mon, Jan 19, 2015 at 12:39:39PM +0100, Jean-Christophe
>>> PLAGNIOL-VILLARD wrote:
>>>> On 17:54 Mon 19 Jan     , Bo Shen wrote:
>>>>> On the SAMA5D33 and SAMA5D35 the GMAC PHY ID is 1 while not 7.
>>>>> So, let the GMAC auto detect phy id, or else hard code to 7,
>>>>> it can not work on these two boards.
>>>>>
>>>>> Signed-off-by: Bo Shen <voice.shen at atmel.com>
>>>>> ---
>>>>>
>>>>> arch/arm/boards/sama5d3xek/init.c | 2 +-
>>>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>>>
>>>>> diff --git a/arch/arm/boards/sama5d3xek/init.c
>>>>> b/arch/arm/boards/sama5d3xek/init.c
>>>>> index 49d2b37..0b83147 100644
>>>>> --- a/arch/arm/boards/sama5d3xek/init.c
>>>>> +++ b/arch/arm/boards/sama5d3xek/init.c
>>>>> @@ -123,7 +123,7 @@ static void ek_add_device_nand(void) {}
>>>>> #if defined(CONFIG_DRIVER_NET_MACB)
>>>>> static struct macb_platform_data gmac_pdata = {
>>>>>     .phy_interface = PHY_INTERFACE_MODE_RGMII,
>>>>> -    .phy_addr = 7,
>>>>> +    .phy_addr = -1,
>>>> IIRC the auto detect do not work on all board
>>>> NACK
>>>
>>> Please give us some more information why this doesn't work or on which
>>> boards this doesn't work. Rejecting patches with 'IIRC' just blocks the
>>> patch without giving a clue what else should be done.
>>
>> This is the same board but différent SoC Module
>>
>> Bo MUST test it on all of them before do such modification
>
> Yes, I do this kind of test.
>
>> IIRC the phy is detect on addr 1 instead of 7 on some CPU Module
>
> Yes, as the commit message specified, the phy address of SAMA5D33 and
> SAMA5D35 are 1. So, let the GMAC to auto detect the phy address, or else
> using the hard coded phy address 7, then the network won't work on
> SAMA5D33 and SAMA5D35 module.
>
>> Best Regards,
>> J.
>>>
>>> Sascha
>>>
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>>> Pengutronix e.K.
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>>
>
> Best Regards,
> Bo Shen




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