[U-Boot] [PATCH 1/3] imx: mx6ul: skip setting ahb rate

[Stefano Babic]

On 25/03/2016 10:16, Peng Fan wrote:
> Hi Stefano,
> 
> Gentle Ping on the three patches.
> 
> Thanks,
> Peng.
> On Wed, Mar 09, 2016 at 04:44:36PM +0800, Peng Fan wrote:
>> To i.MX6UL, default ARM rate and AHB rate is 396M and 198M,
>> no need to set them.
>>
>> Signed-off-by: Peng Fan <van.freenix at gmail.com>
>> Cc: Stefano Babic <sbabic at denx.de>
>> ---
>> arch/arm/cpu/armv7/mx6/soc.c | 19 ++++++++++++-------
>> 1 file changed, 12 insertions(+), 7 deletions(-)
>>
>> diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
>> index bdd41b0..f29901f 100644
>> --- a/arch/arm/cpu/armv7/mx6/soc.c
>> +++ b/arch/arm/cpu/armv7/mx6/soc.c
>> @@ -328,13 +328,18 @@ int arch_cpu_init(void)
>> 	 */
>> 	init_bandgap();
>>
>> -	/*
>> -	 * When low freq boot is enabled, ROM will not set AHB
>> -	 * freq, so we need to ensure AHB freq is 132MHz in such
>> -	 * scenario.
>> -	 */
>> -	if (mxc_get_clock(MXC_ARM_CLK) == 396000000)
>> -		set_ahb_rate(132000000);
>> +	if (!IS_ENABLED(CONFIG_MX6UL)) {
>> +		/*
>> +		 * When low freq boot is enabled, ROM will not set AHB
>> +		 * freq, so we need to ensure AHB freq is 132MHz in such
>> +		 * scenario.
>> +		 *
>> +		 * To i.MX6UL, when power up, default ARM core and
>> +		 * AHB rate is 396M and 132M.
>> +		 */
>> +		if (mxc_get_clock(MXC_ARM_CLK) == 396000000)
>> +			set_ahb_rate(132000000);
>> +	}
>>
>> 		/* Set perclk to source from OSC 24MHz */
>> #if defined(CONFIG_MX6SL)
>> -- 
>> 2.6.2
>>

Appplied (whole series) to u-boot-imx, thanks !

Best regards,
Stefano Babic

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