On 29/05/2013 07:29, Wang Huan-B18965 wrote:

>> Where is this one defined? I don't see it in include/configs/vf610twr.h.
>>
> [Alison Wang] CONFIG_IOMUX_SHARE_CONF_REG is defined in 
> arch/arm/include/asm/arch-vf610/imx-regs.h. Because this is not a board 
> configuration, it is related to the SOC.
> 
> Please refer to Stefano's comments below which also could be found in the 
> email on May 15th.
> 
> Stefano wrote:
>> +
>> +/* MUX mode and PAD ctrl are in one register */
>> +#define CONFIG_IOMUX_SHARE_CONF_REG
> 
> NAK. This is not a board configuration, it is related to the SOC. This
> setup should flow into the related imx-regs.h for this SOC. When you set
> CONFIG_MVF600, this value should be set automatically.
> 
>> Why not use "#ifdef CONFIG_VF610" since this is a platform-dependent
>> code, and not a board-specific config option?
> [Alison Wang] I use this CONFIG_IOMUX_SHARE_CONF_REG option, because this 
> part of codes
> not only could be used on VF610 platform, but also could be used on VF620 or 
> other platforms.
> When it is used on VF620 or others, you could just enable 
> CONFIG_IOMUX_SHARE_CONF_REG
> in the related imx-regs.h.
> Otherwise, if "ifdef CONFIG_VF610" is used, you need to add "#if 
> defined(CONFIG_VF610) || defined(CONFIG_VF620)"
> When this part of codes is also used on VF620. Then when this part of codes 
> is used on VF630 too, this line 
> will be very very long.

Agree. This is a property of the processor and should be automatically
set. It should not flow into board config file, and having a family of
processor we cannot use ifdef CONFIG_VF610.

IMHO the patch is ok.

Acked-by: Stefano Babic <[email protected]>

Best regards,
Stefano Babic

-- 
=====================================================================
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: [email protected]
=====================================================================
_______________________________________________
U-Boot mailing list
[email protected]
http://lists.denx.de/mailman/listinfo/u-boot

Reply via email to