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