Re: [PATCH] clk: bcm: Add driver for Northstar ILP clock

From: RafaÅ MiÅecki
Date: Fri Jul 29 2016 - 16:52:46 EST


On 29 July 2016 at 22:49, Ray Jui <ray.jui@xxxxxxxxxxxx> wrote:
> On 7/29/2016 1:46 PM, RafaÅ MiÅecki wrote:
>> On 29 July 2016 at 22:44, Ray Jui <ray.jui@xxxxxxxxxxxx> wrote:
>>>
>>> On 7/29/2016 5:58 AM, RafaÅ MiÅecki wrote:
>>>>
>>>>
>>>> From: RafaÅ MiÅecki <rafal@xxxxxxxxxx>
>>>>
>>>> This clock is present on cheaper Northstar devices like BCM53573 or
>>>> BCM47189 using Corex-A7. This driver uses PMU (Power Management Unit)
>>>> to calculate clock rate and allows using it in a generic (clk_*) way.
>>>>
>>>
>>> I thought Northstar uses Cortex A9 instead of A7?
>>
>>
>> [ 0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7),
>> cr=10c5387d
>> [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing
>> instruction cache
>> [ 0.000000] Machine model: Tenda AC9
>>
>
> Yeah ARMv7 instruction set but the core is Cortex A7. Both Cortex A7 and A9
> use ARMv7 instructions.

OK, sorry for irrelevant part then :)

This is from BCM4709C0:
bcma: bus0: Core 10 found: ARM Cortex A9 core (ihost) (manuf 0x4BF, id
0x510, rev 0x07, class 0x0)

This is from BCM47189B0::
bcma: bus0: Core 3 found: ARM CA7 (manuf 0x4BF, id 0x847, rev 0x00, class 0x0)

--
RafaÅ