[PATCH v2 4/6] riscv: Add SMP Kconfig option dependency for U-Boot proper

Bin Meng bmeng.cn at gmail.com
Thu Apr 16 17:09:31 CEST 2020

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>


Changes in v2:
- add "!RISCV_SMODE" to the dependency

 arch/riscv/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 5ef6849..a252cdb 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 || !RISCV_SMODE
 	  This enables support for systems with more than one CPU. If
 	  you say N here, U-Boot will run on single and multiprocessor

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