Re: [PATCH] ppc/pnv: Update Power10's cfam id to use Power10 DD2

[Aditya Gupta <adityag@linux.ibm.com>]

Hello,

Any comments on this change ?

Though this isn't urgent and won't change behaviour much, mainly other 
than skiboot recognising the chip as P10 DD2.


Thanks

- Aditya Gupta


On 02/05/24 13:51, Cédric Le Goater wrote:

> On 5/2/24 08:27, Aditya Gupta wrote:
>> Power10 DD1.0 was dropped in:
>>
>>      commit 8f054d9ee825 ("ppc: Drop support for POWER9 and POWER10 
>> DD1 chips")
>>
>> Use the newer Power10 DD2 chips cfam id.
>>
>> Cc: Cédric Le Goater <clg@kaod.org>
>> Cc: David Gibson <david@gibson.dropbear.id.au>
>> Cc: Frédéric Barrat <fbarrat@linux.ibm.com>
>> Cc: Laurent Vivier <lvivier@redhat.com>
>> Cc: Mahesh J Salgaonkar <mahesh@linux.ibm.com>
>> Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
>> Cc: Nicholas Piggin <npiggin@gmail.com>
>> Cc: Paolo Bonzini <pbonzini@redhat.com>
>> Cc: Thomas Huth <thuth@redhat.com>
>> Signed-off-by: Aditya Gupta <adityag@linux.ibm.com>
>
>
> Reviewed-by: Cédric Le Goater <clg@redhat.com>
>
> Thanks,
>
> C.
>
>
>> ---
>>   hw/ppc/pnv.c            | 2 +-
>>   tests/qtest/pnv-xscom.h | 2 +-
>>   2 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
>> index 6e3a5ccdec76..06a4e4d13948 100644
>> --- a/hw/ppc/pnv.c
>> +++ b/hw/ppc/pnv.c
>> @@ -2090,7 +2090,7 @@ static void 
>> pnv_chip_power10_class_init(ObjectClass *klass, void *data)
>>       PnvChipClass *k = PNV_CHIP_CLASS(klass);
>>       static const int i2c_ports_per_engine[PNV10_CHIP_MAX_I2C] = 
>> {14, 14, 2, 16};
>>   -    k->chip_cfam_id = 0x120da04900008000ull; /* P10 DD1.0 (with 
>> NX) */
>> +    k->chip_cfam_id = 0x220da04980000000ull; /* P10 DD2.0 (with NX) */
>>       k->cores_mask = POWER10_CORE_MASK;
>>       k->chip_pir = pnv_chip_pir_p10;
>>       k->intc_create = pnv_chip_power10_intc_create;
>> diff --git a/tests/qtest/pnv-xscom.h b/tests/qtest/pnv-xscom.h
>> index 6f62941744a6..5aa1701ea768 100644
>> --- a/tests/qtest/pnv-xscom.h
>> +++ b/tests/qtest/pnv-xscom.h
>> @@ -56,7 +56,7 @@ static const PnvChip pnv_chips[] = {
>>           .chip_type  = PNV_CHIP_POWER10,
>>           .cpu_model  = "POWER10",
>>           .xscom_base = 0x000603fc00000000ull,
>> -        .cfam_id    = 0x120da04900008000ull,
>> +        .cfam_id    = 0x220da04980000000ull,
>>           .first_core = 0x0,
>>           .num_i2c    = 4,
>>       },
>