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