arch/mips/loongson2ef/Kconfig

Source file repositories/reference/linux-study-clean/arch/mips/loongson2ef/Kconfig

File Facts

System
Linux kernel
Corpus path
arch/mips/loongson2ef/Kconfig
Extension
[no extension]
Size
2431 bytes
Lines
98
Domain
Architecture Layer
Bucket
arch/mips
Inferred role
Architecture Layer: build/configuration rule
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0
if MACH_LOONGSON2EF

choice
	prompt "Machine Type"

config LEMOTE_FULOONG2E
	bool "Lemote Fuloong(2e) mini-PC"
	select ARCH_SPARSEMEM_ENABLE
	select ARCH_HAS_PHYS_TO_DMA
	select ARCH_MIGHT_HAVE_PC_PARPORT
	select ARCH_MIGHT_HAVE_PC_SERIO
	select CEVT_R4K
	select CSRC_R4K
	select SYS_HAS_CPU_LOONGSON2E
	select DMA_NONCOHERENT
	select BOOT_ELF32
	select BOARD_SCACHE
	select FORCE_PCI
	select I8259
	select ISA
	select IRQ_MIPS_CPU
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_HAS_EARLY_PRINTK
	select USE_GENERIC_EARLY_PRINTK_8250
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
	select CPU_HAS_WB
	select LOONGSON_MC146818
	help
	  Lemote Fuloong(2e) mini-PC board based on the Chinese Loongson-2E CPU and
	  an FPGA northbridge

	  Lemote Fuloong(2e) mini PC have a VIA686B south bridge.

config LEMOTE_MACH2F
	bool "Lemote Loongson 2F family machines"
	select ARCH_SPARSEMEM_ENABLE
	select ARCH_HAS_PHYS_TO_DMA
	select ARCH_MIGHT_HAVE_PC_PARPORT
	select ARCH_MIGHT_HAVE_PC_SERIO
	select BOARD_SCACHE
	select BOOT_ELF32
	select CEVT_R4K if ! MIPS_EXTERNAL_TIMER
	select CPU_HAS_WB
	select CS5536
	select CSRC_R4K if ! MIPS_EXTERNAL_TIMER
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
	select GPIOLIB
	select FORCE_PCI
	select I8259
	select IRQ_MIPS_CPU
	select ISA
	select SYS_HAS_CPU_LOONGSON2F
	select SYS_HAS_EARLY_PRINTK
	select USE_GENERIC_EARLY_PRINTK_8250
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select LOONGSON_MC146818
	help
	  Lemote Loongson 2F family machines utilize the 2F revision of
	  Loongson processor and the AMD CS5536 south bridge.

	  These family machines include fuloong2f mini PC, yeeloong2f notebook,
	  LingLoong allinone PC and so forth.

endchoice

Annotation

Implementation Notes