[U-Boot] [PATCH 8/8] imx: mx6qp: Adjust AQos settings for peripherals

Peng Fan b51431 at freescale.com
Wed Jun 10 12:18:15 CEST 2015


Hi Stefano,

On Wed, Jun 10, 2015 at 11:44:34AM +0200, Stefano Babic wrote:
>Hi Peng,
>
>On 10/06/2015 10:06, Peng Fan wrote:
>> From: "Ye.Li" <B37916 at freescale.com>
>> 
>> To resolve USB camera bandwidth issue, the patch sets recommended AQoS
>> setting from IC team value for peripheral and only on imx6qp.
>> 
>> The address is: 0xbb0608, the value is: 0x80000201
>> 
>
>I understand that, if you fight against this issue, the comment can be
>clear and maybe redundant. Please add comments in code describing the
>issue, and extend the commit log to better explain the issue and the
>solution.

ok. Will add more info.

>
>> Signed-off-by: Ye.Li <B37916 at freescale.com>
>> Signed-off-by: Peng Fan <Peng.Fan at freescale.com>
>> ---
>>  arch/arm/cpu/armv7/mx6/soc.c | 3 +++
>>  1 file changed, 3 insertions(+)
>> 
>> diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
>> index 5eea9d9..0de71d56 100644
>> --- a/arch/arm/cpu/armv7/mx6/soc.c
>> +++ b/arch/arm/cpu/armv7/mx6/soc.c
>> @@ -424,6 +424,9 @@ int arch_cpu_init(void)
>>  
>>  	init_src();
>>  
>> +	if (is_mx6dqp())
>> +		writel(0x80000201, 0xbb0608);
>> +
>>  	return 0;
>>  }
>>  
>> 
>
>Best regards,
>Stefano Babic
>
>-- 
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Regards,
Peng.

-- 


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