Linux ip-172-26-7-228 5.4.0-1103-aws #111~18.04.1-Ubuntu SMP Tue May 23 20:04:10 UTC 2023 x86_64
Your IP : 3.139.86.53
# SPDX-License-Identifier: GPL-2.0
if MACH_LOONGSON64
choice
prompt "Machine Type"
config LEMOTE_FULOONG2E
bool "Lemote Fuloong(2e) mini-PC"
select ARCH_SPARSEMEM_ENABLE
select CEVT_R4K
select CSRC_R4K
select SYS_HAS_CPU_LOONGSON2E
select DMA_NONCOHERENT
select BOOT_ELF32
select BOARD_SCACHE
select HW_HAS_PCI
select I8259
select ISA
select IRQ_MIPS_CPU
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_HIGHMEM
select SYS_HAS_EARLY_PRINTK
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 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 HAVE_CLK
select HW_HAS_PCI
select I8259
select IRQ_MIPS_CPU
select ISA
select SYS_HAS_CPU_LOONGSON2F
select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
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.
config LOONGSON_MACH3X
bool "Generic Loongson 3 family machines"
select ARCH_SPARSEMEM_ENABLE
select GENERIC_ISA_DMA_SUPPORT_BROKEN
select BOOT_ELF32
select BOARD_SCACHE
select CSRC_R4K
select CEVT_R4K
select CPU_HAS_WB
select HW_HAS_PCI
select ISA
select HT_PCI
select I8259
select IRQ_MIPS_CPU
select NR_CPUS_DEFAULT_4
select SYS_HAS_CPU_LOONGSON3
select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_SMP
select SYS_SUPPORTS_HOTPLUG_CPU
select SYS_SUPPORTS_NUMA
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_HIGHMEM
select SYS_SUPPORTS_LITTLE_ENDIAN
select LOONGSON_MC146818
select ZONE_DMA32
select LEFI_FIRMWARE_INTERFACE
select PHYS48_TO_HT40
help
Generic Loongson 3 family machines utilize the 3A/3B revision
of Loongson processor and RS780/SBX00 chipset.
endchoice
config CS5536
bool
config CS5536_MFGPT
bool "CS5536 MFGPT Timer"
depends on CS5536 && !HIGH_RES_TIMERS
select MIPS_EXTERNAL_TIMER
help
This option enables the mfgpt0 timer of AMD CS5536. With this timer
switched on you can not use high resolution timers.
If you want to enable the Loongson2 CPUFreq Driver, Please enable
this option at first, otherwise, You will get wrong system time.
If unsure, say Yes.
config RS780_HPET
bool "RS780/SBX00 HPET Timer"
depends on LOONGSON_MACH3X
select MIPS_EXTERNAL_TIMER
help
This option enables the hpet timer of AMD RS780/SBX00.
If you want to enable the Loongson3 CPUFreq Driver, Please enable
this option at first, otherwise, You will get wrong system time.
If unsure, say Yes.
config LOONGSON_UART_BASE
bool
default y
depends on EARLY_PRINTK || SERIAL_8250
config IOMMU_HELPER
bool
config NEED_SG_DMA_LENGTH
bool
config SWIOTLB
bool "Soft IOMMU Support for All-Memory DMA"
default y
depends on CPU_LOONGSON3
select IOMMU_HELPER
select NEED_SG_DMA_LENGTH
select NEED_DMA_MAP_STATE
config PHYS48_TO_HT40
bool
default y if CPU_LOONGSON3
config LOONGSON_MC146818
bool
default n
config LEFI_FIRMWARE_INTERFACE
bool
endif # MACH_LOONGSON64
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