[U-Boot] [PATCH v4 0/6] Add ARMv8 PSCI framework

[Hongbo Zhang]

Will add "depends on !ARMV8_PSCI" for FSL_LS_PPA
and "depends on !FSL_LS_PPA" for ARMV8_PSCI

Thanks.

On Wed, Nov 30, 2016 at 5:59 AM, york sun <york.sun at nxp.com> wrote:
> On 11/28/2016 06:06 PM, Hongbo Zhang wrote:
>> Hi York,
>> This generic PSCI is controlled by CONFIG_ARMV8_PSCI, if enabled, any
>> platform can implement their own PSCI functions under this framework,
>> this is all similar with ARMv7's.
>>
>> While PPA is controlled by CONFIG_FSL_LS_PPA, and the private PSCI
>> inside the PPA is controlled by FSL_PPA_ARMV8_PSCI,  this macro
>> depends on and selected by CONFIG_FSL_LS_PPA.
>>
>> That is to say, they are using separate configs, and only one of them
>> can be enabled at one time.
>>
>
> That's what I am looking for. So these two options are mutually
> exclusive. But you don't have that in Kconfig. I can run menuconfig and
> get this result in .config file
>
> #
> # Layerscape PPA
> #
> CONFIG_FSL_LS_PPA=y
> CONFIG_FSL_PPA_ARMV8_PSCI=y
> CONFIG_SYS_FSL_ERRATUM_A010539=y
> CONFIG_ARMV8_MULTIENTRY=y
> # CONFIG_ARMV8_SPIN_TABLE is not set
> CONFIG_ARMV8_PSCI=y
> CONFIG_ARMV8_PSCI_NR_CPUS=4
> CONFIG_ARMV8_PSCI_CPUS_PER_CLUSTER=0
> CONFIG_IDENT_STRING=""
> # CONFIG_PRE_CONSOLE_BUFFER is not set
> # CONFIG_VIDEO is not set
>
> You can see both options can be enabled from menuconfig. Please see
> comments in other patches as well.
>
> York