[PATCH 4/7] riscv: Add SMP Kconfig option dependency for U-Boot proper

[Bin Meng]

Hi Sean,

On Wed, Apr 8, 2020 at 10:20 PM Sean Anderson <seanga2 at gmail.com> wrote:
>
> On 4/8/20 9:41 AM, Bin Meng wrote:
> > U-Boot proper running in S-mode only need SMP support when using
> > SBI v0.1. With SBI v0.2 HSM extension, it does not need implement
> > multicore boot in U-Boot proper.
> >
> > Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> > ---
> >
> >  arch/riscv/Kconfig | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> > index 10478ae..502143f 100644
> > --- a/arch/riscv/Kconfig
> > +++ b/arch/riscv/Kconfig
> > @@ -193,6 +193,7 @@ config SYS_MALLOC_F_LEN
> >
> >  config SMP
> >       bool "Symmetric Multi-Processing"
> > +     depends on SBI_V01
>
> So should this be
>
> "depends on SBI_V01 or RISCV_PRIV_1_9"
>
> when the priv spec 1.9 patch gets merged?

I will change the dependency only when U-Boot is working in S-mode.
For M-mode, this dependency will not be added.

>
> >       help
> >         This enables support for systems with more than one CPU. If
> >         you say N here, U-Boot will run on single and multiprocessor
> >

Regards,
Bin