u-boot/arch/riscv/Kconfig
Bin Meng 510e379c49 riscv: Add QEMU virt board support
This adds QEMU RISC-V 'virt' board target support, with the hope of
helping people easily test U-Boot on RISC-V.

The QEMU virt machine models a generic RISC-V virtual machine with
support for the VirtIO standard networking and block storage devices.
It has CLINT, PLIC, 16550A UART devices in addition to VirtIO and
it also uses device-tree to pass configuration information to guest
software. It implements RISC-V privileged architecture spec v1.10.

Both 32-bit and 64-bit builds are supported. Support is pretty much
preliminary, only booting to U-Boot shell with the UART driver on
a single core. Booting Linux is not supported yet.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
2018-10-03 17:48:37 +08:00

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menu "RISC-V architecture"
depends on RISCV
config SYS_ARCH
default "riscv"
choice
prompt "Target select"
optional
config TARGET_AX25_AE350
bool "Support ax25-ae350"
config TARGET_QEMU_VIRT
bool "Support QEMU Virt Board"
endchoice
source "board/AndesTech/ax25-ae350/Kconfig"
source "board/emulation/qemu-riscv/Kconfig"
choice
prompt "CPU selection"
default CPU_RISCV_32
config CPU_RISCV_32
bool "RISC-V 32-bit"
select 32BIT
help
Choose this option to build an U-Boot for RISCV32 architecture.
config CPU_RISCV_64
bool "RISC-V 64-bit"
select 64BIT
help
Choose this option to build an U-Boot for RISCV64 architecture.
endchoice
config 32BIT
bool
config 64BIT
bool
endmenu