xref: /openbmc/u-boot/arch/riscv/Kconfig (revision 2a055ea5)
1menu "RISC-V architecture"
2	depends on RISCV
3
4config SYS_ARCH
5	default "riscv"
6
7choice
8	prompt "Target select"
9	optional
10
11config TARGET_AX25_AE350
12	bool "Support ax25-ae350"
13
14config TARGET_QEMU_VIRT
15	bool "Support QEMU Virt Board"
16
17endchoice
18
19# board-specific options below
20source "board/AndesTech/ax25-ae350/Kconfig"
21source "board/emulation/qemu-riscv/Kconfig"
22
23# platform-specific options below
24source "arch/riscv/cpu/ax25/Kconfig"
25
26# architecture-specific options below
27
28choice
29	prompt "Base ISA"
30	default ARCH_RV32I
31
32config ARCH_RV32I
33	bool "RV32I"
34	select 32BIT
35	help
36	  Choose this option to target the RV32I base integer instruction set.
37
38config ARCH_RV64I
39	bool "RV64I"
40	select 64BIT
41	select PHYS_64BIT
42	help
43	  Choose this option to target the RV64I base integer instruction set.
44
45endchoice
46
47config RISCV_ISA_C
48	bool "Emit compressed instructions"
49	default y
50	help
51	  Adds "C" to the ISA subsets that the toolchain is allowed to emit
52	  when building U-Boot, which results in compressed instructions in the
53	  U-Boot binary.
54
55config RISCV_ISA_A
56	def_bool y
57
58config RISCV_SMODE
59	bool "Run in S-Mode"
60	help
61	  Enable this option to build U-Boot for RISC-V S-Mode
62
63config 32BIT
64	bool
65
66config 64BIT
67	bool
68
69endmenu
70