[2/2] powerpc/corenet64_smp_defconfig: enable RTC support

[Kumar Gala]

On May 25, 2014, at 10:08 PM, Shengzhou.Liu at freescale.com wrote:

> 
>> -----Original Message-----
>> From: Wood Scott-B07421
>> Sent: Saturday, May 24, 2014 1:06 AM
>> To: Liu Shengzhou-B36685
>> Cc: linuxppc-dev at lists.ozlabs.org
>> Subject: Re: [2/2] powerpc/corenet64_smp_defconfig: enable RTC support
>> 
>> On Fri, 2014-05-23 at 03:03 -0500, Liu Shengzhou-B36685 wrote:
>>>> -----Original Message-----
>>>> From: Wood Scott-B07421
>>>> Sent: Friday, May 23, 2014 6:52 AM
>>>> To: Liu Shengzhou-B36685
>>>> Cc: linuxppc-dev at lists.ozlabs.org
>>>> Subject: Re: [2/2] powerpc/corenet64_smp_defconfig: enable RTC
>>>> support
>>>> 
>>>>> +++ b/arch/powerpc/configs/corenet64_smp_defconfig
>>>>> @@ -125,6 +125,11 @@ CONFIG_USB_EHCI_FSL=y  CONFIG_USB_STORAGE=y
>>>>> CONFIG_MMC=y  CONFIG_MMC_SDHCI=y
>>>>> +CONFIG_RTC_CLASS=y
>>>>> +CONFIG_RTC_DRV_CMOS=y
>>>>> +CONFIG_RTC_DRV_DS1307=y
>>>>> +CONFIG_RTC_DRV_DS1374=y
>>>>> +CONFIG_RTC_DRV_DS3232=y
>>>>> CONFIG_EDAC=y
>>>>> CONFIG_EDAC_MM_EDAC=y
>>>>> CONFIG_DMADEVICES=y
>>>> 
>>>> Why only corenet64 and not corenet32?
>>>> 
>>>> -Scott
>>> [Shengzhou] There is already RTC support in corenet32, only missing in
>> corenet64.
>> 
>> Only DS3232, not DS1307 or DS1374.  Which boards use the latter two?
>> 
>> Why do we need CONFIG_RTC_DRV_CMOS?
>> 
>> -Scott
>> 
> [Shengzhou] so far DS1307 and DS1374 occur only on those boards with corenet64. 
> CONFIG_RTC_DRV_CMOS is enabled in mpc85xx_defconfig, mpc85xx_smp_defconfig, corenet32_smp_defconfig, etc, here keeps consistent in corenet64.
> It seems CONFIG_RTC_DRV_CMOS is not needed on 85xx platform, do we need to remove CONFIG_RTC_DRV_CMOS from all 85xx/corenet defconfig? If so, I will post a new patch to do it.

The CDS board uses an RTC over ISA if I remember correctly, not sure what driver deals with that (if its CONFIG_RTC_DRV_CMOS) or something else.

- k