arch/mips/Kconfig

   1 menu "MIPS architecture"
   2         depends on MIPS
   3
   4 config SYS_ARCH
   5         default "mips"
   6
   7 config SYS_CPU
   8         default "mips32" if CPU_MIPS32_R1 || CPU_MIPS32_R2
   9         default "mips64" if CPU_MIPS64_R1 || CPU_MIPS64_R2
  10
  11 config USE_PRIVATE_LIBGCC
  12         default y
  13
  14 choice
  15         prompt "Target select"
  16
  17 config TARGET_QEMU_MIPS
  18         bool "Support qemu-mips"
  19         select SUPPORTS_BIG_ENDIAN
  20         select SUPPORTS_LITTLE_ENDIAN
  21         select SUPPORTS_CPU_MIPS32_R1
  22         select SUPPORTS_CPU_MIPS32_R2
  23         select SUPPORTS_CPU_MIPS64_R1
  24         select SUPPORTS_CPU_MIPS64_R2
  25
  26 config TARGET_MALTA
  27         bool "Support malta"
  28         select SUPPORTS_BIG_ENDIAN
  29         select SUPPORTS_LITTLE_ENDIAN
  30         select SUPPORTS_CPU_MIPS32_R1
  31         select SUPPORTS_CPU_MIPS32_R2
  32         select SWAP_IO_SPACE
  33
  34 config TARGET_VCT
  35         bool "Support vct"
  36         select SUPPORTS_BIG_ENDIAN
  37         select SUPPORTS_CPU_MIPS32_R1
  38         select SUPPORTS_CPU_MIPS32_R2
  39         select SYS_MIPS_CACHE_INIT_RAM_LOAD
  40
  41 config TARGET_DBAU1X00
  42         bool "Support dbau1x00"
  43         select SUPPORTS_BIG_ENDIAN
  44         select SUPPORTS_LITTLE_ENDIAN
  45         select SUPPORTS_CPU_MIPS32_R1
  46         select SUPPORTS_CPU_MIPS32_R2
  47         select SYS_MIPS_CACHE_INIT_RAM_LOAD
  48
  49 config TARGET_PB1X00
  50         bool "Support pb1x00"
  51         select SUPPORTS_LITTLE_ENDIAN
  52         select SUPPORTS_CPU_MIPS32_R1
  53         select SUPPORTS_CPU_MIPS32_R2
  54         select SYS_MIPS_CACHE_INIT_RAM_LOAD
  55
  56
  57 endchoice
  58
  59 source "board/dbau1x00/Kconfig"
  60 source "board/imgtec/malta/Kconfig"
  61 source "board/micronas/vct/Kconfig"
  62 source "board/pb1x00/Kconfig"
  63 source "board/qemu-mips/Kconfig"
  64
  65 if MIPS
  66
  67 choice
  68         prompt "Endianness selection"
  69         help
  70           Some MIPS boards can be configured for either little or big endian
  71           byte order. These modes require different U-Boot images. In general there
  72           is one preferred byteorder for a particular system but some systems are
  73           just as commonly used in the one or the other endianness.
  74
  75 config SYS_BIG_ENDIAN
  76         bool "Big endian"
  77         depends on SUPPORTS_BIG_ENDIAN
  78
  79 config SYS_LITTLE_ENDIAN
  80         bool "Little endian"
  81         depends on SUPPORTS_LITTLE_ENDIAN
  82
  83 endchoice
  84
  85 choice
  86         prompt "CPU selection"
  87         default CPU_MIPS32_R2
  88
  89 config CPU_MIPS32_R1
  90         bool "MIPS32 Release 1"
  91         depends on SUPPORTS_CPU_MIPS32_R1
  92         select 32BIT
  93         help
  94           Choose this option to build an U-Boot for release 1 or later of the
  95           MIPS32 architecture.
  96
  97 config CPU_MIPS32_R2
  98         bool "MIPS32 Release 2"
  99         depends on SUPPORTS_CPU_MIPS32_R2
 100         select 32BIT
 101         help
 102           Choose this option to build an U-Boot for release 2 or later of the
 103           MIPS32 architecture.
 104
 105 config CPU_MIPS64_R1
 106         bool "MIPS64 Release 1"
 107         depends on SUPPORTS_CPU_MIPS64_R1
 108         select 64BIT
 109         help
 110           Choose this option to build a kernel for release 1 or later of the
 111           MIPS64 architecture.
 112
 113 config CPU_MIPS64_R2
 114         bool "MIPS64 Release 2"
 115         depends on SUPPORTS_CPU_MIPS64_R2
 116         select 64BIT
 117         help
 118           Choose this option to build a kernel for release 2 or later of the
 119           MIPS64 architecture.
 120
 121 endchoice
 122
 123 menu "OS boot interface"
 124
 125 config MIPS_BOOT_CMDLINE_LEGACY
 126         bool "Hand over legacy command line to Linux kernel"
 127         default y
 128         help
 129           Enable this option if you want U-Boot to hand over the Yamon-style
 130           command line to the kernel. All bootargs will be prepared as argc/argv
 131           compatible list. The argument count (argc) is stored in register $a0.
 132           The address of the argument list (argv) is stored in register $a1.
 133
 134 config MIPS_BOOT_ENV_LEGACY
 135         bool "Hand over legacy environment to Linux kernel"
 136         default y
 137         help
 138           Enable this option if you want U-Boot to hand over the Yamon-style
 139           environment to the kernel. Information like memory size, initrd
 140           address and size will be prepared as zero-terminated key/value list.
 141           The address of the enviroment is stored in register $a2.
 142
 143 config MIPS_BOOT_FDT
 144         bool "Hand over a flattened device tree to Linux kernel (INCOMPLETE)"
 145         default n
 146         help
 147           Enable this option if you want U-Boot to hand over a flattened
 148           device tree to the kernel.
 149
 150           Note: the final hand over to the kernel is not yet implemented. After
 151                 the community agreed on the MIPS boot interface for device trees,
 152                 the corresponding code will be added.
 153
 154 endmenu
 155
 156 config SUPPORTS_BIG_ENDIAN
 157         bool
 158
 159 config SUPPORTS_LITTLE_ENDIAN
 160         bool
 161
 162 config SUPPORTS_CPU_MIPS32_R1
 163         bool
 164
 165 config SUPPORTS_CPU_MIPS32_R2
 166         bool
 167
 168 config SUPPORTS_CPU_MIPS64_R1
 169         bool
 170
 171 config SUPPORTS_CPU_MIPS64_R2
 172         bool
 173
 174 config CPU_MIPS32
 175         bool
 176         default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
 177
 178 config CPU_MIPS64
 179         bool
 180         default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
 181
 182 config 32BIT
 183         bool
 184
 185 config 64BIT
 186         bool
 187
 188 config SWAP_IO_SPACE
 189         bool
 190
 191 config SYS_MIPS_CACHE_INIT_RAM_LOAD
 192         bool
 193
 194 endif
 195
 196 endmenu