[U-Boot] [PATCH] arm: socfpga: reset: FIX address of tstscratch register

Philipp Rosenberger ilu at linutronix.de
Fri Nov 13 09:02:43 CET 2015


Hi Marek,

On 13.11.2015 08:13, Marek Vasut wrote:
> On Friday, November 13, 2015 at 07:11:18 AM, Stefan Roese wrote:
>> Hi Philipp,
>>
>> On 12.11.2015 18:23, Philipp Rosenberger wrote:
>>> The Cyclone V Hard Processor System Technical Reference Manual in the
>>> chapter about the Reset Manager Module Address Map stats that the offset
>>> of the tstscratch register ist 0x54 not 0x24.
>>>
>>> Cyclone V Hard Processor System Technical Reference Manual cv_5v4
>>> 2015.11.02 page 3-17 Reset Manager Module Address Map
>>>
>>> Signed-off-by: Philipp Rosenberger <ilu at linutronix.de>
>>> ---
>>>
>>>   arch/arm/mach-socfpga/include/mach/reset_manager.h | 1 +
>>>   1 file changed, 1 insertion(+)
>>>
>>> diff --git a/arch/arm/mach-socfpga/include/mach/reset_manager.h
>>> b/arch/arm/mach-socfpga/include/mach/reset_manager.h index
>>> 8e59578..6eb6011 100644
>>> --- a/arch/arm/mach-socfpga/include/mach/reset_manager.h
>>> +++ b/arch/arm/mach-socfpga/include/mach/reset_manager.h
>>> @@ -25,6 +25,7 @@ struct socfpga_reset_manager {
>>>
>>>   	u32	per2_mod_reset;
>>>   	u32	brg_mod_reset;
>>>   	u32	misc_mod_reset;
>>>
>>> +	u32	padding2[12];
>>>
>>>   	u32	tstscratch;
>>>   
>>>   };
>>
>> Thanks. But usually such padding things are added as "u8" (1 byte)
>> variables. This makes it easier to calculate the offsets. In this
>> case:
>>
>> +	u8	padding2[0x30];
>>
>> which I would prefer.
> 
> I don't mind either way, I can amend the patch (if you don't mind),
> so let's hear Dinh's final word.

If we use u8 in the place we should change the padding1 in the same
struct as well.

Best Regards
Philipp Rosenberger


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