arch/unicore32/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0
   2 config UNICORE32
   3         def_bool y
   4         select ARCH_32BIT_OFF_T
   5         select ARCH_HAS_DEVMEM_IS_ALLOWED
   6         select ARCH_MIGHT_HAVE_PC_PARPORT
   7         select ARCH_MIGHT_HAVE_PC_SERIO
   8         select HAVE_KERNEL_GZIP
   9         select HAVE_KERNEL_BZIP2
  10         select GENERIC_ATOMIC64
  11         select HAVE_KERNEL_LZO
  12         select HAVE_KERNEL_LZMA
  13         select HAVE_PCI
  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         help
  24           UniCore-32 is 32-bit Instruction Set Architecture,
  25           including a series of low-power-consumption RISC chip
  26           designs licensed by PKUnity Ltd.
  27           Please see web page at <http://www.pkunity.com/>.
  28
  29 config GENERIC_CSUM
  30         def_bool y
  31
  32 config NO_IOPORT_MAP
  33         bool
  34
  35 config STACKTRACE_SUPPORT
  36         def_bool y
  37
  38 config LOCKDEP_SUPPORT
  39         def_bool y
  40
  41 config RWSEM_GENERIC_SPINLOCK
  42         def_bool y
  43
  44 config RWSEM_XCHGADD_ALGORITHM
  45         bool
  46
  47 config ARCH_HAS_ILOG2_U32
  48         bool
  49
  50 config ARCH_HAS_ILOG2_U64
  51         bool
  52
  53 config GENERIC_HWEIGHT
  54         def_bool y
  55
  56 config GENERIC_CALIBRATE_DELAY
  57         def_bool y
  58
  59 config ARCH_MAY_HAVE_PC_FDC
  60         bool
  61
  62 config ZONE_DMA
  63         def_bool y
  64
  65 menu "System Type"
  66
  67 config MMU
  68         def_bool y
  69
  70 config ARCH_FPGA
  71         bool
  72
  73 config ARCH_PUV3
  74         def_bool y
  75         select CPU_UCV2
  76         select GENERIC_CLOCKEVENTS
  77         select HAVE_CLK
  78         select GPIOLIB
  79
  80 # CONFIGs for ARCH_PUV3
  81
  82 if ARCH_PUV3
  83
  84 choice
  85         prompt "Board Selection"
  86         default PUV3_DB0913
  87
  88 config PUV3_FPGA_DLX200
  89         select ARCH_FPGA
  90         bool "FPGA board"
  91
  92 config PUV3_DB0913
  93         bool "DEBUG board (0913)"
  94
  95 config PUV3_NB0916
  96         bool "NetBook board (0916)"
  97         select PWM
  98         select PWM_PUV3
  99
 100 config PUV3_SMW0919
 101         bool "Security Mini-Workstation board (0919)"
 102
 103 endchoice
 104
 105 config PUV3_PM
 106         def_bool y if !ARCH_FPGA
 107
 108 endif
 109
 110 source "arch/unicore32/mm/Kconfig"
 111
 112 comment "Floating point support"
 113
 114 config UNICORE_FPU_F64
 115         def_bool y if !ARCH_FPGA
 116
 117 endmenu
 118
 119 menu "Kernel Features"
 120
 121 source "kernel/Kconfig.hz"
 122
 123 config LEDS
 124         def_bool y
 125         depends on GPIOLIB
 126
 127 config ALIGNMENT_TRAP
 128         def_bool y
 129         help
 130           Unicore processors can not fetch/store information which is not
 131           naturally aligned on the bus, i.e., a 4 byte fetch must start at an
 132           address divisible by 4. On 32-bit Unicore processors, these non-aligned
 133           fetch/store instructions will be emulated in software if you say
 134           here, which has a severe performance impact. This is necessary for
 135           correct operation of some network protocols. With an IP-only
 136           configuration it is safe to say N, otherwise say Y.
 137
 138 endmenu
 139
 140 menu "Boot options"
 141
 142 config CMDLINE
 143         string "Default kernel command string"
 144         default ""
 145
 146 config CMDLINE_FORCE
 147         bool "Always use the default kernel command string"
 148         depends on CMDLINE != ""
 149         help
 150           Always use the default kernel command string, even if the boot
 151           loader passes other arguments to the kernel.
 152           This is useful if you cannot or don't want to change the
 153           command-line options your boot loader passes to the kernel.
 154
 155           If unsure, say N.
 156
 157 endmenu
 158
 159 menu "Power management options"
 160
 161 source "kernel/power/Kconfig"
 162
 163 source "drivers/cpufreq/Kconfig"
 164
 165 config ARCH_SUSPEND_POSSIBLE
 166         def_bool y if !ARCH_FPGA
 167
 168 config ARCH_HIBERNATION_POSSIBLE
 169         def_bool y if !ARCH_FPGA
 170
 171 endmenu
 172
 173 if ARCH_PUV3
 174
 175 config PUV3_GPIO
 176         bool
 177         depends on !ARCH_FPGA
 178         select GPIO_SYSFS
 179         default y
 180
 181 if PUV3_NB0916
 182
 183 menu "PKUnity NetBook-0916 Features"
 184
 185 config I2C_BATTERY_BQ27200
 186         tristate "I2C Battery BQ27200 Support"
 187         select I2C_PUV3
 188         select POWER_SUPPLY
 189         select BATTERY_BQ27XXX
 190
 191 config I2C_EEPROM_AT24
 192         tristate "I2C EEPROMs AT24 support"
 193         select I2C_PUV3
 194         select EEPROM_AT24
 195
 196 config LCD_BACKLIGHT
 197         tristate "LCD Backlight support"
 198         select BACKLIGHT_LCD_SUPPORT
 199         select BACKLIGHT_PWM
 200
 201 endmenu
 202
 203 endif
 204
 205 endif