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Linux/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         # Other pending projects/to-do items.
  8         # select HAVE_REGS_AND_STACK_ACCESS_API
  9         # select HAVE_HW_BREAKPOINT if PERF_EVENTS
 10         # select ARCH_HAS_CPU_IDLE_WAIT
 11         # select ARCH_WANT_OPTIONAL_GPIOLIB
 12         # select ARCH_REQUIRE_GPIOLIB
 13         # select HAVE_CLK
 14         # select GENERIC_PENDING_IRQ if SMP
 15         select GENERIC_ATOMIC64
 16         select HAVE_PERF_EVENTS
 17         # GENERIC_ALLOCATOR is used by dma_alloc_coherent()
 18         select GENERIC_ALLOCATOR
 19         select GENERIC_IRQ_SHOW
 20         select HAVE_ARCH_KGDB
 21         select HAVE_ARCH_TRACEHOOK
 22         select NO_IOPORT_MAP
 23         select GENERIC_IOMAP
 24         select GENERIC_SMP_IDLE_THREAD
 25         select STACKTRACE_SUPPORT
 26         select KTIME_SCALAR
 27         select GENERIC_CLOCKEVENTS
 28         select GENERIC_CLOCKEVENTS_BROADCAST
 29         select MODULES_USE_ELF_RELA
 30         select GENERIC_CPU_DEVICES
 31         select HAVE_DMA_ATTRS
 32         ---help---
 33           Qualcomm Hexagon is a processor architecture designed for high
 34           performance and low power across a wide variety of applications.
 35 
 36 config HEXAGON_PHYS_OFFSET
 37         def_bool y
 38         ---help---
 39           Platforms that don't load the kernel at zero set this.
 40 
 41 config FRAME_POINTER
 42         def_bool y
 43 
 44 config LOCKDEP_SUPPORT
 45         def_bool y
 46 
 47 config PCI
 48         def_bool n
 49 
 50 config EARLY_PRINTK
 51         def_bool y
 52 
 53 config MMU
 54         def_bool y
 55 
 56 config TRACE_IRQFLAGS_SUPPORT
 57         def_bool y
 58 
 59 config GENERIC_CSUM
 60         def_bool y
 61 
 62 #
 63 # Use the generic interrupt handling code in kernel/irq/:
 64 #
 65 config GENERIC_IRQ_PROBE
 66         def_bool y
 67 
 68 config NEED_SG_DMA_LENGTH
 69         def_bool y
 70 
 71 config RWSEM_GENERIC_SPINLOCK
 72         def_bool n
 73 
 74 config RWSEM_XCHGADD_ALGORITHM
 75         def_bool y
 76 
 77 config GENERIC_HWEIGHT
 78         def_bool y
 79 
 80 config STACKTRACE_SUPPORT
 81         def_bool y
 82         select STACKTRACE
 83 
 84 config GENERIC_BUG
 85         def_bool y
 86         depends on BUG
 87 
 88 menu "Machine selection"
 89 
 90 choice
 91         prompt "System type"
 92         default HEXAGON_COMET
 93 
 94 config HEXAGON_COMET
 95         bool "Comet Board"
 96         ---help---
 97           Support for the Comet platform.
 98 
 99 endchoice
100 
101 config HEXAGON_ARCH_VERSION
102         int "Architecture version"
103         default 2
104 
105 config CMDLINE
106         string "Default kernel command string"
107         default ""
108         help
109           On some platforms, there is currently no way for the boot loader
110           to pass arguments to the kernel. For these, you should supply some
111           command-line options at build time by entering them here.  At a
112           minimum, you should specify the memory size and the root device
113           (e.g., mem=64M root=/dev/nfs).
114 
115 config SMP
116         bool "Multi-Processing support"
117         ---help---
118           Enables SMP support in the kernel.  If unsure, say "Y"
119 
120 config NR_CPUS
121         int "Maximum number of CPUs" if SMP
122         range 2 6 if SMP
123         default "1" if !SMP
124         default "6" if SMP
125         ---help---
126           This allows you to specify the maximum number of CPUs which this
127           kernel will support.  The maximum supported value is 6 and the
128           minimum value which makes sense is 2.
129 
130           This is purely to save memory - each supported CPU adds
131           approximately eight kilobytes to the kernel image.
132 
133 choice
134         prompt "Kernel page size"
135         default PAGE_SIZE_4KB
136         ---help---
137           Changes the default page size; use with caution.
138 
139 config PAGE_SIZE_4KB
140         bool "4KB"
141 
142 config PAGE_SIZE_16KB
143         bool "16KB"
144 
145 config PAGE_SIZE_64KB
146         bool "64KB"
147 
148 config PAGE_SIZE_256KB
149         bool "256KB"
150 
151 endchoice
152 
153 source "mm/Kconfig"
154 
155 source "kernel/Kconfig.hz"
156 
157 endmenu
158 
159 source "init/Kconfig"
160 source "kernel/Kconfig.freezer"
161 source "drivers/Kconfig"
162 source "fs/Kconfig"
163 
164 menu "Executable File Formats"
165 source "fs/Kconfig.binfmt"
166 endmenu
167 
168 source "net/Kconfig"
169 source "security/Kconfig"
170 source "crypto/Kconfig"
171 source "lib/Kconfig"
172 
173 menu "Kernel hacking"
174 source "lib/Kconfig.debug"
175 endmenu

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