diff options
| -rw-r--r-- | arch/riscv/Kconfig | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index a252cdbb71..c729871813 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -226,14 +226,32 @@ config SBI bool default y if RISCV_SMODE || SPL_RISCV_SMODE +choice + prompt "SBI support" + default SBI_V01 + config SBI_V01 bool "SBI v0.1 support" - default y depends on SBI help This config allows kernel to use SBI v0.1 APIs. This will be deprecated in future once legacy M-mode software are no longer in use. +config SBI_V02 + bool "SBI v0.2 support" + depends on SBI + help + This config allows kernel to use SBI v0.2 APIs. SBI v0.2 is more + scalable and extendable to handle future needs for RISC-V supervisor + interfaces. For example, with SBI v0.2 HSM extension, only a single + hart need to boot and enter operating system. The booting hart can + bring up secondary harts one by one afterwards. + + Choose this option if OpenSBI v0.7 or above release is used together + with U-Boot. + +endchoice + config SBI_IPI bool depends on SBI |