|  | if MACH_LOONGSON | 
|  |  | 
|  | 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_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_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_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_SUSPEND | 
|  | bool | 
|  | default y | 
|  | depends on CPU_SUPPORTS_CPUFREQ && SUSPEND | 
|  |  | 
|  | 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_LOONGSON |