arch/hexagon/Kconfig

   1 # Hexagon configuration
   2 comment "Linux Kernel Configuration for Hexagon"
   3
   4 config HEXAGON
   5         def_bool y
   6         select HAVE_OPROFILE
   7         select USE_GENERIC_SMP_HELPERS if SMP
   8         # Other pending projects/to-do items.
   9         # select HAVE_REGS_AND_STACK_ACCESS_API
  10         # select HAVE_HW_BREAKPOINT if PERF_EVENTS
  11         # select ARCH_HAS_CPU_IDLE_WAIT
  12         # select ARCH_WANT_OPTIONAL_GPIOLIB
  13         # select ARCH_REQUIRE_GPIOLIB
  14         # select HAVE_CLK
  15         # select IRQ_PER_CPU
  16         # select GENERIC_PENDING_IRQ if SMP
  17         select HAVE_IRQ_WORK
  18         select GENERIC_ATOMIC64
  19         select HAVE_PERF_EVENTS
  20         select HAVE_GENERIC_HARDIRQS
  21         # GENERIC_ALLOCATOR is used by dma_alloc_coherent()
  22         select GENERIC_ALLOCATOR
  23         select GENERIC_IRQ_SHOW
  24         select HAVE_ARCH_KGDB
  25         select HAVE_ARCH_TRACEHOOK
  26         select NO_IOPORT
  27         select GENERIC_IOMAP
  28         select GENERIC_SMP_IDLE_THREAD
  29         select STACKTRACE_SUPPORT
  30         select KTIME_SCALAR
  31         select GENERIC_CLOCKEVENTS
  32         select GENERIC_CLOCKEVENTS_BROADCAST
  33         select MODULES_USE_ELF_RELA
  34         ---help---
  35           Qualcomm Hexagon is a processor architecture designed for high
  36           performance and low power across a wide variety of applications.
  37
  38 config HEXAGON_ARCH_V1
  39         bool
  40
  41 config HEXAGON_ARCH_V2
  42         bool
  43
  44 config HEXAGON_ARCH_V3
  45         bool
  46
  47 config HEXAGON_ARCH_V4
  48         bool
  49
  50 config FRAME_POINTER
  51         def_bool y
  52
  53 config LOCKDEP_SUPPORT
  54         def_bool y
  55
  56 config PCI
  57         def_bool n
  58
  59 config EARLY_PRINTK
  60         def_bool y
  61
  62 config MMU
  63         def_bool y
  64
  65 config TRACE_IRQFLAGS_SUPPORT
  66         def_bool y
  67
  68 config GENERIC_CSUM
  69         def_bool y
  70
  71 #
  72 # Use the generic interrupt handling code in kernel/irq/:
  73 #
  74 config GENERIC_IRQ_PROBE
  75         def_bool y
  76
  77 config NEED_SG_DMA_LENGTH
  78         def_bool y
  79
  80 config RWSEM_GENERIC_SPINLOCK
  81         def_bool n
  82
  83 config RWSEM_XCHGADD_ALGORITHM
  84         def_bool y
  85
  86 config GENERIC_FIND_NEXT_BIT
  87         def_bool y
  88
  89 config GENERIC_HWEIGHT
  90         def_bool y
  91
  92 config STACKTRACE_SUPPORT
  93         def_bool y
  94         select STACKTRACE
  95
  96 config GENERIC_BUG
  97         def_bool y
  98         depends on BUG
  99
 100 menu "Machine selection"
 101
 102 choice
 103         prompt "System type"
 104         default HEXAGON_COMET
 105
 106 config HEXAGON_COMET
 107         bool "Comet Board"
 108         select HEXAGON_ARCH_V2
 109         ---help---
 110           Support for the Comet platform.
 111
 112 endchoice
 113
 114 config HEXAGON_VM
 115         def_bool y
 116
 117 config CMDLINE
 118         string "Default kernel command string"
 119         default ""
 120         help
 121           On some platforms, there is currently no way for the boot loader
 122           to pass arguments to the kernel. For these, you should supply some
 123           command-line options at build time by entering them here.  At a
 124           minimum, you should specify the memory size and the root device
 125           (e.g., mem=64M root=/dev/nfs).
 126
 127 config HEXAGON_ANGEL_TRAPS
 128         bool "Use Angel Traps"
 129         default n
 130         ---help---
 131           Enable angel debug traps (for printk's).
 132
 133 config SMP
 134         bool "Multi-Processing support"
 135         ---help---
 136           Enables SMP support in the kernel.  If unsure, say "Y"
 137
 138 config NR_CPUS
 139         int "Maximum number of CPUs" if SMP
 140         range 2 6 if SMP
 141         default "1" if !SMP
 142         default "6" if SMP
 143         ---help---
 144           This allows you to specify the maximum number of CPUs which this
 145           kernel will support.  The maximum supported value is 6 and the
 146           minimum value which makes sense is 2.
 147
 148           This is purely to save memory - each supported CPU adds
 149           approximately eight kilobytes to the kernel image.
 150
 151 choice
 152         prompt "Kernel page size"
 153         default PAGE_SIZE_4KB
 154         ---help---
 155           Changes the default page size; use with caution.
 156
 157 config PAGE_SIZE_4KB
 158         bool "4KB"
 159
 160 config PAGE_SIZE_16KB
 161         bool "16KB"
 162
 163 config PAGE_SIZE_64KB
 164         bool "64KB"
 165
 166 config PAGE_SIZE_256KB
 167         bool "256KB"
 168
 169 endchoice
 170
 171 source "mm/Kconfig"
 172
 173 source "kernel/Kconfig.hz"
 174
 175 config GENERIC_GPIO
 176         def_bool n
 177
 178 endmenu
 179
 180 source "init/Kconfig"
 181 source "drivers/Kconfig"
 182 source "fs/Kconfig"
 183
 184 menu "Executable File Formats"
 185 source "fs/Kconfig.binfmt"
 186 endmenu
 187
 188 source "net/Kconfig"
 189 source "security/Kconfig"
 190 source "crypto/Kconfig"
 191 source "lib/Kconfig"
 192
 193 menu "Kernel hacking"
 194 source "lib/Kconfig.debug"
 195 endmenu