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

On Wed, Apr 8, 2020 at 6:42 AM Bin Meng bmeng.cn@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@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 ?

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

-- 2.7.4