[U-Boot] [PATCH] OMAP3: Overo: Update GPMC timing for ethernet chip.

Philip Balister philip at opensdr.com
Thu Sep 8 20:50:19 CEST 2011


On 09/08/2011 10:45 AM, Enric Balletbò i Serra wrote:
> 2011/9/8 Steve Sakoman<sakoman at gmail.com>:
>> On Wed, Sep 7, 2011 at 4:57 AM, Philip Balister<philip at balister.org>  wrote:
>>> The existing timing does not quite meet the minimum requirements
>>> in the LAN9221 datasheet. The timing in this patch solves problems
>>> noticed on some parts.
>>>
>>> Signed-off-by: Philip Balister<philip at opensdr.com>
>>
>> Acked-by: Steve Sakoman<steve at sakoman.com>
>> Tested-by: Steve Sakoman<steve at sakoman.com>
>>
>>> ---
>>>   board/overo/overo.h |    6 +++---
>>>   1 files changed, 3 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/board/overo/overo.h b/board/overo/overo.h
>>> index 68e1243..617c0c3 100644
>>> --- a/board/overo/overo.h
>>> +++ b/board/overo/overo.h
>>> @@ -35,10 +35,10 @@ const omap3_sysinfo sysinfo = {
>>>
>>>   /* GPMC CS 5 connected to an SMSC LAN9221 ethernet controller */
>>>   #define NET_LAN9221_GPMC_CONFIG1    0x00001000
>>> -#define NET_LAN9221_GPMC_CONFIG2    0x00080701
>>> +#define NET_LAN9221_GPMC_CONFIG2    0x00060700
>>>   #define NET_LAN9221_GPMC_CONFIG3    0x00020201
>>> -#define NET_LAN9221_GPMC_CONFIG4    0x08030703
>>> -#define NET_LAN9221_GPMC_CONFIG5    0x00060908
>>> +#define NET_LAN9221_GPMC_CONFIG4    0x06000700
>>> +#define NET_LAN9221_GPMC_CONFIG5    0x0006090A
>>>   #define NET_LAN9221_GPMC_CONFIG6    0x87030000
>>>   #define NET_LAN9221_GPMC_CONFIG7    0x00000f6c
>>>
>>> --
>>> 1.7.4.4
>>>
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>
> Other boards like IGEP v2 board uses the same LAN9221 ethernet
> controller, so this code is duplicated on overo.h and igep0020.h
> files. Maybe could be a good idea move this part to
> arch/arm/include/asm/arch-omap3/omap_gpmc.h or another file to not
> duplicate the code.

Is there anyone around with an igep v2 board who could test/ack such a 
patch?

Philip


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