Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / mips / loongson / Kconfig

diff --git a/kernel/arch/mips/loongson/Kconfig b/kernel/arch/mips/loongson/Kconfig
new file mode 100644 (file)
index 0000000..156de85
--- /dev/null
+++ b/kernel/arch/mips/loongson/Kconfig
@@ -0,0 +1,158 @@
+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