arch/unicore32/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0
   2 config UNICORE32
   3         def_bool y
   4         select ARCH_HAS_DEVMEM_IS_ALLOWED
   5         select ARCH_MIGHT_HAVE_PC_PARPORT
   6         select ARCH_MIGHT_HAVE_PC_SERIO
   7         select HAVE_MEMBLOCK
   8         select HAVE_GENERIC_DMA_COHERENT
   9         select HAVE_KERNEL_GZIP
  10         select HAVE_KERNEL_BZIP2
  11         select GENERIC_ATOMIC64
  12         select HAVE_KERNEL_LZO
  13         select HAVE_KERNEL_LZMA
  14         select VIRT_TO_BUS
  15         select ARCH_HAVE_CUSTOM_GPIO_H
  16         select GENERIC_FIND_FIRST_BIT
  17         select GENERIC_IRQ_PROBE
  18         select GENERIC_IRQ_SHOW
  19         select ARCH_WANT_FRAME_POINTERS
  20         select GENERIC_IOMAP
  21         select MODULES_USE_ELF_REL
  22         select NEED_DMA_MAP_STATE
  23         select SWIOTLB
  24         help
  25           UniCore-32 is 32-bit Instruction Set Architecture,
  26           including a series of low-power-consumption RISC chip
  27           designs licensed by PKUnity Ltd.
  28           Please see web page at <http://www.pkunity.com/>.
  29
  30 config GENERIC_CSUM
  31         def_bool y
  32
  33 config NO_IOPORT_MAP
  34         bool
  35
  36 config STACKTRACE_SUPPORT
  37         def_bool y
  38
  39 config LOCKDEP_SUPPORT
  40         def_bool y
  41
  42 config RWSEM_GENERIC_SPINLOCK
  43         def_bool y
  44
  45 config RWSEM_XCHGADD_ALGORITHM
  46         bool
  47
  48 config ARCH_HAS_ILOG2_U32
  49         bool
  50
  51 config ARCH_HAS_ILOG2_U64
  52         bool
  53
  54 config GENERIC_HWEIGHT
  55         def_bool y
  56
  57 config GENERIC_CALIBRATE_DELAY
  58         def_bool y
  59
  60 config ARCH_MAY_HAVE_PC_FDC
  61         bool
  62
  63 config ZONE_DMA
  64         def_bool y
  65
  66 menu "System Type"
  67
  68 config MMU
  69         def_bool y
  70
  71 config ARCH_FPGA
  72         bool
  73
  74 config ARCH_PUV3
  75         def_bool y
  76         select CPU_UCV2
  77         select GENERIC_CLOCKEVENTS
  78         select HAVE_CLK
  79         select GPIOLIB
  80
  81 # CONFIGs for ARCH_PUV3
  82
  83 if ARCH_PUV3
  84
  85 choice
  86         prompt "Board Selection"
  87         default PUV3_DB0913
  88
  89 config PUV3_FPGA_DLX200
  90         select ARCH_FPGA
  91         bool "FPGA board"
  92
  93 config PUV3_DB0913
  94         bool "DEBUG board (0913)"
  95
  96 config PUV3_NB0916
  97         bool "NetBook board (0916)"
  98         select PWM
  99         select PWM_PUV3
 100
 101 config PUV3_SMW0919
 102         bool "Security Mini-Workstation board (0919)"
 103
 104 endchoice
 105
 106 config PUV3_PM
 107         def_bool y if !ARCH_FPGA
 108
 109 endif
 110
 111 source "arch/unicore32/mm/Kconfig"
 112
 113 comment "Floating point support"
 114
 115 config UNICORE_FPU_F64
 116         def_bool y if !ARCH_FPGA
 117
 118 endmenu
 119
 120 menu "Bus support"
 121
 122 config PCI
 123         bool "PCI Support"
 124         help
 125           Find out whether you have a PCI motherboard. PCI is the name of a
 126           bus system, i.e. the way the CPU talks to the other stuff inside
 127           your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
 128           VESA. If you have PCI, say Y, otherwise N.
 129
 130 source "drivers/pci/Kconfig"
 131
 132 source "drivers/pcmcia/Kconfig"
 133
 134 endmenu
 135
 136 menu "Kernel Features"
 137
 138 source "kernel/Kconfig.preempt"
 139
 140 source "kernel/Kconfig.hz"
 141
 142 config LEDS
 143         def_bool y
 144         depends on GPIOLIB
 145
 146 config ALIGNMENT_TRAP
 147         def_bool y
 148         help
 149           Unicore processors can not fetch/store information which is not
 150           naturally aligned on the bus, i.e., a 4 byte fetch must start at an
 151           address divisible by 4. On 32-bit Unicore processors, these non-aligned
 152           fetch/store instructions will be emulated in software if you say
 153           here, which has a severe performance impact. This is necessary for
 154           correct operation of some network protocols. With an IP-only
 155           configuration it is safe to say N, otherwise say Y.
 156
 157 endmenu
 158
 159 menu "Boot options"
 160
 161 config CMDLINE
 162         string "Default kernel command string"
 163         default ""
 164
 165 config CMDLINE_FORCE
 166         bool "Always use the default kernel command string"
 167         depends on CMDLINE != ""
 168         help
 169           Always use the default kernel command string, even if the boot
 170           loader passes other arguments to the kernel.
 171           This is useful if you cannot or don't want to change the
 172           command-line options your boot loader passes to the kernel.
 173
 174           If unsure, say N.
 175
 176 endmenu
 177
 178 menu "Power management options"
 179
 180 source "kernel/power/Kconfig"
 181
 182 source "drivers/cpufreq/Kconfig"
 183
 184 config ARCH_SUSPEND_POSSIBLE
 185         def_bool y if !ARCH_FPGA
 186
 187 config ARCH_HIBERNATION_POSSIBLE
 188         def_bool y if !ARCH_FPGA
 189
 190 endmenu
 191
 192 if ARCH_PUV3
 193
 194 config PUV3_GPIO
 195         bool
 196         depends on !ARCH_FPGA
 197         select GPIO_SYSFS
 198         default y
 199
 200 if PUV3_NB0916
 201
 202 menu "PKUnity NetBook-0916 Features"
 203
 204 config I2C_BATTERY_BQ27200
 205         tristate "I2C Battery BQ27200 Support"
 206         select I2C_PUV3
 207         select POWER_SUPPLY
 208         select BATTERY_BQ27XXX
 209
 210 config I2C_EEPROM_AT24
 211         tristate "I2C EEPROMs AT24 support"
 212         select I2C_PUV3
 213         select EEPROM_AT24
 214
 215 config LCD_BACKLIGHT
 216         tristate "LCD Backlight support"
 217         select BACKLIGHT_LCD_SUPPORT
 218         select BACKLIGHT_PWM
 219
 220 endmenu
 221
 222 endif
 223
 224 endif