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 select MODULES_USE_ELF_RELA 34 select GENERIC_KERNEL_THREAD 35 select GENERIC_KERNEL_EXECVE 36 ---help--- 37 Qualcomm Hexagon is a processor architecture designed for high 38 performance and low power across a wide variety of applications. 39 40config HEXAGON_ARCH_V1 41 bool 42 43config HEXAGON_ARCH_V2 44 bool 45 46config HEXAGON_ARCH_V3 47 bool 48 49config HEXAGON_ARCH_V4 50 bool 51 52config FRAME_POINTER 53 def_bool y 54 55config LOCKDEP_SUPPORT 56 def_bool y 57 58config PCI 59 def_bool n 60 61config EARLY_PRINTK 62 def_bool y 63 64config MMU 65 def_bool y 66 67config TRACE_IRQFLAGS_SUPPORT 68 def_bool y 69 70config GENERIC_CSUM 71 def_bool y 72 73# 74# Use the generic interrupt handling code in kernel/irq/: 75# 76config GENERIC_IRQ_PROBE 77 def_bool y 78 79config NEED_SG_DMA_LENGTH 80 def_bool y 81 82config RWSEM_GENERIC_SPINLOCK 83 def_bool n 84 85config RWSEM_XCHGADD_ALGORITHM 86 def_bool y 87 88config GENERIC_FIND_NEXT_BIT 89 def_bool y 90 91config GENERIC_HWEIGHT 92 def_bool y 93 94config STACKTRACE_SUPPORT 95 def_bool y 96 select STACKTRACE 97 98config GENERIC_BUG 99 def_bool y 100 depends on BUG 101 102menu "Machine selection" 103 104choice 105 prompt "System type" 106 default HEXAGON_COMET 107 108config HEXAGON_COMET 109 bool "Comet Board" 110 select HEXAGON_ARCH_V2 111 ---help--- 112 Support for the Comet platform. 113 114endchoice 115 116config HEXAGON_VM 117 def_bool y 118 119config CMDLINE 120 string "Default kernel command string" 121 default "" 122 help 123 On some platforms, there is currently no way for the boot loader 124 to pass arguments to the kernel. For these, you should supply some 125 command-line options at build time by entering them here. At a 126 minimum, you should specify the memory size and the root device 127 (e.g., mem=64M root=/dev/nfs). 128 129config HEXAGON_ANGEL_TRAPS 130 bool "Use Angel Traps" 131 default n 132 ---help--- 133 Enable angel debug traps (for printk's). 134 135config SMP 136 bool "Multi-Processing support" 137 ---help--- 138 Enables SMP support in the kernel. If unsure, say "Y" 139 140config NR_CPUS 141 int "Maximum number of CPUs" if SMP 142 range 2 6 if SMP 143 default "1" if !SMP 144 default "6" if SMP 145 ---help--- 146 This allows you to specify the maximum number of CPUs which this 147 kernel will support. The maximum supported value is 6 and the 148 minimum value which makes sense is 2. 149 150 This is purely to save memory - each supported CPU adds 151 approximately eight kilobytes to the kernel image. 152 153choice 154 prompt "Kernel page size" 155 default PAGE_SIZE_4KB 156 ---help--- 157 Changes the default page size; use with caution. 158 159config PAGE_SIZE_4KB 160 bool "4KB" 161 162config PAGE_SIZE_16KB 163 bool "16KB" 164 165config PAGE_SIZE_64KB 166 bool "64KB" 167 168config PAGE_SIZE_256KB 169 bool "256KB" 170 171endchoice 172 173source "mm/Kconfig" 174 175source "kernel/Kconfig.hz" 176 177config GENERIC_GPIO 178 def_bool n 179 180endmenu 181 182source "init/Kconfig" 183source "drivers/Kconfig" 184source "fs/Kconfig" 185 186menu "Executable File Formats" 187source "fs/Kconfig.binfmt" 188endmenu 189 190source "net/Kconfig" 191source "security/Kconfig" 192source "crypto/Kconfig" 193source "lib/Kconfig" 194 195menu "Kernel hacking" 196source "lib/Kconfig.debug" 197endmenu 198