[PATCH 4/7] riscv: Add SMP Kconfig option dependency for U-Boot proper
bmeng.cn at gmail.com
Sat Apr 11 06:19:27 CEST 2020
On Sat, Apr 11, 2020 at 7:55 AM Atish Patra <atishp at atishpatra.org> wrote:
> On Wed, Apr 8, 2020 at 6:42 AM Bin Meng <bmeng.cn at gmail.com> 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
> What about RISCV_MMODE ?
Yes this needs to be considered.
> > help
> > This enables support for systems with more than one CPU. If
> > you say N here, U-Boot will run on single and multiprocessor
More information about the U-Boot