soc/andestech/ae350/Kconfig

# Copyright (c) 2021 Andes Technology Corporation
# SPDX-License-Identifier: Apache-2.0

config SOC_SERIES_ANDES_AE350
	select RISCV
	select RISCV_PRIVILEGED
	select RISCV_HAS_PLIC

config SOC_ANDES_AE350
	select ATOMIC_OPERATIONS_BUILTIN
	select INCLUDE_RESET_VECTOR
	select RISCV_ISA_EXT_M
	select RISCV_ISA_EXT_A
	select RISCV_ISA_EXT_C
	select CPU_HAS_DCACHE
	select CPU_HAS_ICACHE
	select CACHE_MANAGEMENT if DCACHE
	select RISCV_PMP

if SOC_SERIES_ANDES_AE350

choice
prompt "Base CPU ISA options"
default RV32I_CPU

config RV32I_CPU
	bool "RISCV32 CPU ISA"
	select RISCV_ISA_RV32I
	select RISCV_ISA_EXT_ZICSR
	select RISCV_ISA_EXT_ZIFENCEI

config RV32E_CPU
	bool "RISCV32E CPU ISA"
	select RISCV_ISA_RV32E
	select RISCV_ISA_EXT_ZICSR
	select RISCV_ISA_EXT_ZIFENCEI

config RV64I_CPU
	bool "RISCV64 CPU ISA"
	select RISCV_ISA_RV64I
	select RISCV_ISA_EXT_ZICSR
	select RISCV_ISA_EXT_ZIFENCEI
	select 64BIT

endchoice

choice
prompt "FPU options"
default NO_FPU

config NO_FPU
	bool "No FPU"

config SINGLE_PRECISION_FPU
	bool "Single precision FPU"
	select CPU_HAS_FPU

config DOUBLE_PRECISION_FPU
	bool "Double precision FPU"
	select CPU_HAS_FPU_DOUBLE_PRECISION

endchoice

config SOC_ANDES_V5_HWDSP
	bool "AndeStar V5 DSP ISA"
	select RISCV_SOC_CONTEXT_SAVE
	depends on !RISCV_GENERIC_TOOLCHAIN
	help
		This option enables the AndeStar v5 hardware DSP, in order to
		support using the DSP instructions.

config SOC_ANDES_V5_PFT
	bool "Andes V5 PowerBrake extension"
	default y
	select RISCV_SOC_CONTEXT_SAVE
	help
		The PowerBrake extension throttles performance by reducing instruction
		executing rate.

config SOC_ANDES_V5_EXECIT
	bool "Andes V5 EXEC.IT extension"
	depends on RISCV_ISA_EXT_C
	depends on !RISCV_GENERIC_TOOLCHAIN
	depends on !LINKER_USE_NO_RELAX
	help
		The EXEC.IT extension (Execution on Instruction Table) generate
		a look-up table and replaces suitable 32-bit instructions with
		the 16-bit "exec.it <INDEX>".

config SOC_ANDES_V5_PMA
	bool "Andes V5 Physical Memory Attribute (PMA)"
	select ARCH_HAS_NOCACHE_MEMORY_SUPPORT
	help
		This option enables the Andes V5 PMA, in order to support SW to
		configure physical memory attribute by PMA CSRs. The address
		matching of Andes V5 PMA is like RISC-V PMP NAPOT mode
		(power-of-two alignment).

config SOC_ANDES_V5_PMA_REGION_MIN_ALIGN_AND_SIZE
	int
	depends on SOC_ANDES_V5_PMA
	default 4096
	help
		Minimum size (and alignment) of an PMA region. Use this symbol
		to guarantee minimum size and alignment of PMA regions.

config SOC_ANDES_V5_L2C
	bool
	select DEPRECATED

config SOC_ANDES_V5_IOCP
	bool "Andes V5 I/O Coherence Port (IOCP)"
	depends on DCACHE
	help
		Support Andes V5 I/O Coherence Port to handle cache coherency
		between cache and external non-caching master, such as DMA
		controller.

endif # SOC_SERIES_ANDES_AE350