xref: /openbmc/u-boot/arch/riscv/Kconfig (revision d2db2a8f)
1117a433dSBin Mengmenu "RISC-V architecture"
2f94c44e5SRick Chen	depends on RISCV
3f94c44e5SRick Chen
4f94c44e5SRick Chenconfig SYS_ARCH
5f94c44e5SRick Chen	default "riscv"
6f94c44e5SRick Chen
7f94c44e5SRick Chenchoice
8f94c44e5SRick Chen	prompt "Target select"
9f94c44e5SRick Chen	optional
10f94c44e5SRick Chen
116f4dd62fSRick Chenconfig TARGET_AX25_AE350
126f4dd62fSRick Chen	bool "Support ax25-ae350"
13f94c44e5SRick Chen
14510e379cSBin Mengconfig TARGET_QEMU_VIRT
15510e379cSBin Meng	bool "Support QEMU Virt Board"
16510e379cSBin Meng
17f94c44e5SRick Chenendchoice
18f94c44e5SRick Chen
1952923c6dSRick Chen# board-specific options below
206f4dd62fSRick Chensource "board/AndesTech/ax25-ae350/Kconfig"
21510e379cSBin Mengsource "board/emulation/qemu-riscv/Kconfig"
22f94c44e5SRick Chen
2352923c6dSRick Chen# platform-specific options below
2452923c6dSRick Chensource "arch/riscv/cpu/ax25/Kconfig"
2552923c6dSRick Chen
2652923c6dSRick Chen# architecture-specific options below
2752923c6dSRick Chen
28f94c44e5SRick Chenchoice
29862e2e75SLukas Auer	prompt "Base ISA"
30862e2e75SLukas Auer	default ARCH_RV32I
31f94c44e5SRick Chen
32862e2e75SLukas Auerconfig ARCH_RV32I
33862e2e75SLukas Auer	bool "RV32I"
34f94c44e5SRick Chen	select 32BIT
35f94c44e5SRick Chen	help
36862e2e75SLukas Auer	  Choose this option to target the RV32I base integer instruction set.
37f94c44e5SRick Chen
38862e2e75SLukas Auerconfig ARCH_RV64I
39862e2e75SLukas Auer	bool "RV64I"
40f94c44e5SRick Chen	select 64BIT
4171158564SLukas Auer	select PHYS_64BIT
42f94c44e5SRick Chen	help
43862e2e75SLukas Auer	  Choose this option to target the RV64I base integer instruction set.
44f94c44e5SRick Chen
45f94c44e5SRick Chenendchoice
46f94c44e5SRick Chen
47d57ffa65SLukas Auerconfig RISCV_ISA_C
48d57ffa65SLukas Auer	bool "Emit compressed instructions"
49d57ffa65SLukas Auer	default y
50d57ffa65SLukas Auer	help
51d57ffa65SLukas Auer	  Adds "C" to the ISA subsets that the toolchain is allowed to emit
52d57ffa65SLukas Auer	  when building U-Boot, which results in compressed instructions in the
53d57ffa65SLukas Auer	  U-Boot binary.
54d57ffa65SLukas Auer
55d57ffa65SLukas Auerconfig RISCV_ISA_A
56d57ffa65SLukas Auer	def_bool y
57d57ffa65SLukas Auer
58*d2db2a8fSAnup Patelconfig RISCV_SMODE
59*d2db2a8fSAnup Patel	bool "Run in S-Mode"
60*d2db2a8fSAnup Patel	help
61*d2db2a8fSAnup Patel	  Enable this option to build U-Boot for RISC-V S-Mode
62*d2db2a8fSAnup Patel
63f94c44e5SRick Chenconfig 32BIT
64f94c44e5SRick Chen	bool
65f94c44e5SRick Chen
66f94c44e5SRick Chenconfig 64BIT
67f94c44e5SRick Chen	bool
68f94c44e5SRick Chen
69f94c44e5SRick Chenendmenu
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