[U-Boot] [PATCH 2/9] arm: socfpga: Adding handoff for SDRAM ctrlcfg.extratime1

Marek Vasut marex at denx.de
Wed Sep 21 03:19:08 CEST 2016


On 09/20/2016 11:13 AM, Chin Liang See wrote:
> On Tue, 2016-09-20 at 09:52 +0200, Marek Vasut wrote:
>> On 09/20/2016 07:37 AM, Chin Liang See wrote:
>>> On Mon, 2016-09-19 at 20:52 +0200, Marek Vasut wrote:
>>>> On 09/19/2016 12:12 PM, Chin Liang See wrote:
>>>>> On Mon, 2016-09-19 at 16:24 +0200, Marek Vasut wrote:
>>>>>> On 09/15/2016 09:27 AM, Chin Liang See wrote:
>>>>>>> Adding new handoff for SDRAM ctrcfg.extratime1 which is
>>>>>>> required for stabil LPDDR2 operation
>>>>>>
>>>>>> ... stable ...
>>>>>>
>>>>>> Isn't SoCDK using DDR3 DRAM ?
>>>>>
>>>>> Yah, you are right where we won't need this patch and others
>>>>> except
>>>>> #1
>>>>> one. Should I send v2 which only have first patch?
>>>>
>>>> Then should this register be set to zero on SoCDK ?
>>>
>>> Not required as the default value is zero.
>>
>> OK, if we can avoid the ifdef(s)
>>
> 
> Removing the ifdef would requiring the patch against all socfpga
> boards. As commented by you earlier, all our boards are using DDR3 and
> this patch for LPDDR2 would not applicable then.

I'm fine if you add another patch which sets the register or it's macros
to 0 for all SoCFPGA boards.

-- 
Best regards,
Marek Vasut


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