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_64BIT_KERNEL
  21         select SYS_SUPPORTS_LITTLE_ENDIAN
  22         select SYS_SUPPORTS_HIGHMEM
  23         select SYS_HAS_EARLY_PRINTK
  24         select GENERIC_ISA_DMA_SUPPORT_BROKEN
  25         select CPU_HAS_WB
  26         select LOONGSON_MC146818
  27         help
  28           Lemote Fuloong(2e) mini-PC board based on the Chinese Loongson-2E CPU and
  29           an FPGA northbridge
  30
  31           Lemote Fuloong(2e) mini PC have a VIA686B south bridge.
  32
  33 config LEMOTE_MACH2F
  34         bool "Lemote Loongson 2F family machines"
  35         select ARCH_SPARSEMEM_ENABLE
  36         select BOARD_SCACHE
  37         select BOOT_ELF32
  38         select CEVT_R4K if ! MIPS_EXTERNAL_TIMER
  39         select CPU_HAS_WB
  40         select CS5536
  41         select CSRC_R4K if ! MIPS_EXTERNAL_TIMER
  42         select DMA_NONCOHERENT
  43         select GENERIC_ISA_DMA_SUPPORT_BROKEN
  44         select HAVE_CLK
  45         select HW_HAS_PCI
  46         select I8259
  47         select IRQ_MIPS_CPU
  48         select ISA
  49         select SYS_HAS_CPU_LOONGSON2F
  50         select SYS_HAS_EARLY_PRINTK
  51         select SYS_SUPPORTS_64BIT_KERNEL
  52         select SYS_SUPPORTS_HIGHMEM
  53         select SYS_SUPPORTS_LITTLE_ENDIAN
  54         select LOONGSON_MC146818
  55         help
  56           Lemote Loongson 2F family machines utilize the 2F revision of
  57           Loongson processor and the AMD CS5536 south bridge.
  58
  59           These family machines include fuloong2f mini PC, yeeloong2f notebook,
  60           LingLoong allinone PC and so forth.
  61
  62 config LOONGSON_MACH3X
  63         bool "Generic Loongson 3 family machines"
  64         select ARCH_SPARSEMEM_ENABLE
  65         select GENERIC_ISA_DMA_SUPPORT_BROKEN
  66         select BOOT_ELF32
  67         select BOARD_SCACHE
  68         select CSRC_R4K
  69         select CEVT_R4K
  70         select CPU_HAS_WB
  71         select HW_HAS_PCI
  72         select ISA
  73         select HT_PCI
  74         select I8259
  75         select IRQ_MIPS_CPU
  76         select NR_CPUS_DEFAULT_4
  77         select SYS_HAS_CPU_LOONGSON3
  78         select SYS_HAS_EARLY_PRINTK
  79         select SYS_SUPPORTS_SMP
  80         select SYS_SUPPORTS_HOTPLUG_CPU
  81         select SYS_SUPPORTS_NUMA
  82         select SYS_SUPPORTS_64BIT_KERNEL
  83         select SYS_SUPPORTS_HIGHMEM
  84         select SYS_SUPPORTS_LITTLE_ENDIAN
  85         select LOONGSON_MC146818
  86         select ZONE_DMA32
  87         select LEFI_FIRMWARE_INTERFACE
  88         select PHYS48_TO_HT40
  89         help
  90                 Generic Loongson 3 family machines utilize the 3A/3B revision
  91                 of Loongson processor and RS780/SBX00 chipset.
  92 endchoice
  93
  94 config CS5536
  95         bool
  96
  97 config CS5536_MFGPT
  98         bool "CS5536 MFGPT Timer"
  99         depends on CS5536 && !HIGH_RES_TIMERS
 100         select MIPS_EXTERNAL_TIMER
 101         help
 102           This option enables the mfgpt0 timer of AMD CS5536. With this timer
 103           switched on you can not use high resolution timers.
 104
 105           If you want to enable the Loongson2 CPUFreq Driver, Please enable
 106           this option at first, otherwise, You will get wrong system time.
 107
 108           If unsure, say Yes.
 109
 110 config RS780_HPET
 111         bool "RS780/SBX00 HPET Timer"
 112         depends on LOONGSON_MACH3X
 113         select MIPS_EXTERNAL_TIMER
 114         help
 115           This option enables the hpet timer of AMD RS780/SBX00.
 116
 117           If you want to enable the Loongson3 CPUFreq Driver, Please enable
 118           this option at first, otherwise, You will get wrong system time.
 119
 120           If unsure, say Yes.
 121
 122 config LOONGSON_UART_BASE
 123         bool
 124         default y
 125         depends on EARLY_PRINTK || SERIAL_8250
 126
 127 config IOMMU_HELPER
 128         bool
 129
 130 config NEED_SG_DMA_LENGTH
 131         bool
 132
 133 config SWIOTLB
 134         bool "Soft IOMMU Support for All-Memory DMA"
 135         default y
 136         depends on CPU_LOONGSON3
 137         select DMA_DIRECT_OPS
 138         select IOMMU_HELPER
 139         select NEED_SG_DMA_LENGTH
 140         select NEED_DMA_MAP_STATE
 141
 142 config PHYS48_TO_HT40
 143         bool
 144         default y if CPU_LOONGSON3
 145
 146 config LOONGSON_MC146818
 147         bool
 148         default n
 149
 150 config LEFI_FIRMWARE_INTERFACE
 151         bool
 152
 153 endif # MACH_LOONGSON64