arch/mips/loongson64/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0
   2 if MACH_LOONGSON64
   3
   4 choice
   5         prompt "Machine Type"
   6
   7 config LEMOTE_FULOONG2E
   8         bool "Lemote Fuloong(2e) mini-PC"
   9         select ARCH_SPARSEMEM_ENABLE
  10         select CEVT_R4K
  11         select CSRC_R4K
  12         select SYS_HAS_CPU_LOONGSON2E
  13         select DMA_NONCOHERENT
  14         select BOOT_ELF32
  15         select BOARD_SCACHE
  16         select HW_HAS_PCI
  17         select I8259
  18         select ISA
  19         select IRQ_MIPS_CPU
  20         select SYS_SUPPORTS_32BIT_KERNEL
  21         select SYS_SUPPORTS_64BIT_KERNEL
  22         select SYS_SUPPORTS_LITTLE_ENDIAN
  23         select SYS_SUPPORTS_HIGHMEM
  24         select SYS_HAS_EARLY_PRINTK
  25         select GENERIC_ISA_DMA_SUPPORT_BROKEN
  26         select CPU_HAS_WB
  27         select LOONGSON_MC146818
  28         help
  29           Lemote Fuloong(2e) mini-PC board based on the Chinese Loongson-2E CPU and
  30           an FPGA northbridge
  31
  32           Lemote Fuloong(2e) mini PC have a VIA686B south bridge.
  33
  34 config LEMOTE_MACH2F
  35         bool "Lemote Loongson 2F family machines"
  36         select ARCH_SPARSEMEM_ENABLE
  37         select BOARD_SCACHE
  38         select BOOT_ELF32
  39         select CEVT_R4K if ! MIPS_EXTERNAL_TIMER
  40         select CPU_HAS_WB
  41         select CS5536
  42         select CSRC_R4K if ! MIPS_EXTERNAL_TIMER
  43         select DMA_NONCOHERENT
  44         select GENERIC_ISA_DMA_SUPPORT_BROKEN
  45         select HAVE_CLK
  46         select HW_HAS_PCI
  47         select I8259
  48         select IRQ_MIPS_CPU
  49         select ISA
  50         select SYS_HAS_CPU_LOONGSON2F
  51         select SYS_HAS_EARLY_PRINTK
  52         select SYS_SUPPORTS_32BIT_KERNEL
  53         select SYS_SUPPORTS_64BIT_KERNEL
  54         select SYS_SUPPORTS_HIGHMEM
  55         select SYS_SUPPORTS_LITTLE_ENDIAN
  56         select LOONGSON_MC146818
  57         help
  58           Lemote Loongson 2F family machines utilize the 2F revision of
  59           Loongson processor and the AMD CS5536 south bridge.
  60
  61           These family machines include fuloong2f mini PC, yeeloong2f notebook,
  62           LingLoong allinone PC and so forth.
  63
  64 config LOONGSON_MACH3X
  65         bool "Generic Loongson 3 family machines"
  66         select ARCH_SPARSEMEM_ENABLE
  67         select GENERIC_ISA_DMA_SUPPORT_BROKEN
  68         select BOOT_ELF32
  69         select BOARD_SCACHE
  70         select CSRC_R4K
  71         select CEVT_R4K
  72         select CPU_HAS_WB
  73         select HW_HAS_PCI
  74         select ISA
  75         select HT_PCI
  76         select I8259
  77         select IRQ_MIPS_CPU
  78         select NR_CPUS_DEFAULT_4
  79         select SYS_HAS_CPU_LOONGSON3
  80         select SYS_HAS_EARLY_PRINTK
  81         select SYS_SUPPORTS_SMP
  82         select SYS_SUPPORTS_HOTPLUG_CPU
  83         select SYS_SUPPORTS_NUMA
  84         select SYS_SUPPORTS_64BIT_KERNEL
  85         select SYS_SUPPORTS_HIGHMEM
  86         select SYS_SUPPORTS_LITTLE_ENDIAN
  87         select LOONGSON_MC146818
  88         select ZONE_DMA32
  89         select LEFI_FIRMWARE_INTERFACE
  90         select PHYS48_TO_HT40
  91         help
  92                 Generic Loongson 3 family machines utilize the 3A/3B revision
  93                 of Loongson processor and RS780/SBX00 chipset.
  94 endchoice
  95
  96 config CS5536
  97         bool
  98
  99 config CS5536_MFGPT
 100         bool "CS5536 MFGPT Timer"
 101         depends on CS5536 && !HIGH_RES_TIMERS
 102         select MIPS_EXTERNAL_TIMER
 103         help
 104           This option enables the mfgpt0 timer of AMD CS5536. With this timer
 105           switched on you can not use high resolution timers.
 106
 107           If you want to enable the Loongson2 CPUFreq Driver, Please enable
 108           this option at first, otherwise, You will get wrong system time.
 109
 110           If unsure, say Yes.
 111
 112 config RS780_HPET
 113         bool "RS780/SBX00 HPET Timer"
 114         depends on LOONGSON_MACH3X
 115         select MIPS_EXTERNAL_TIMER
 116         help
 117           This option enables the hpet timer of AMD RS780/SBX00.
 118
 119           If you want to enable the Loongson3 CPUFreq Driver, Please enable
 120           this option at first, otherwise, You will get wrong system time.
 121
 122           If unsure, say Yes.
 123
 124 config LOONGSON_UART_BASE
 125         bool
 126         default y
 127         depends on EARLY_PRINTK || SERIAL_8250
 128
 129 config IOMMU_HELPER
 130         bool
 131
 132 config NEED_SG_DMA_LENGTH
 133         bool
 134
 135 config SWIOTLB
 136         bool "Soft IOMMU Support for All-Memory DMA"
 137         default y
 138         depends on CPU_LOONGSON3
 139         select IOMMU_HELPER
 140         select NEED_SG_DMA_LENGTH
 141         select NEED_DMA_MAP_STATE
 142
 143 config PHYS48_TO_HT40
 144         bool
 145         default y if CPU_LOONGSON3
 146
 147 config LOONGSON_MC146818
 148         bool
 149         default n
 150
 151 config LEFI_FIRMWARE_INTERFACE
 152         bool
 153
 154 endif # MACH_LOONGSON64