1# For a description of the syntax of this configuration file, 2# see Documentation/kbuild/kconfig-language.txt. 3 4mainmenu "Linux/Microblaze Kernel Configuration" 5 6config MICROBLAZE 7 def_bool y 8 select HAVE_LMB 9 select HAVE_FUNCTION_TRACER 10 select HAVE_FUNCTION_TRACE_MCOUNT_TEST 11 select HAVE_FUNCTION_GRAPH_TRACER 12 select HAVE_DYNAMIC_FTRACE 13 select HAVE_FTRACE_MCOUNT_RECORD 14 select USB_ARCH_HAS_EHCI 15 select ARCH_WANT_OPTIONAL_GPIOLIB 16 select HAVE_OPROFILE 17 select TRACING_SUPPORT 18 19config SWAP 20 def_bool n 21 22config RWSEM_GENERIC_SPINLOCK 23 def_bool y 24 25config RWSEM_XCHGADD_ALGORITHM 26 bool 27 28config ARCH_HAS_ILOG2_U32 29 def_bool n 30 31config ARCH_HAS_ILOG2_U64 32 def_bool n 33 34config GENERIC_FIND_NEXT_BIT 35 def_bool y 36 37config GENERIC_HWEIGHT 38 def_bool y 39 40config GENERIC_HARDIRQS 41 def_bool y 42 43config GENERIC_IRQ_PROBE 44 def_bool y 45 46config GENERIC_CALIBRATE_DELAY 47 def_bool y 48 49config GENERIC_TIME 50 def_bool y 51 52config GENERIC_TIME_VSYSCALL 53 def_bool n 54 55config GENERIC_CLOCKEVENTS 56 def_bool y 57 58config GENERIC_HARDIRQS_NO__DO_IRQ 59 def_bool y 60 61config GENERIC_GPIO 62 def_bool y 63 64config GENERIC_CSUM 65 def_bool y 66 67config STACKTRACE_SUPPORT 68 def_bool y 69 70config LOCKDEP_SUPPORT 71 def_bool y 72 73config HAVE_LATENCYTOP_SUPPORT 74 def_bool y 75 76config PCI 77 def_bool n 78 79config NO_DMA 80 def_bool y 81 82config DTC 83 def_bool y 84 85source "init/Kconfig" 86 87source "kernel/Kconfig.freezer" 88 89source "arch/microblaze/platform/Kconfig.platform" 90 91menu "Processor type and features" 92 93source "kernel/time/Kconfig" 94 95source "kernel/Kconfig.preempt" 96 97source "kernel/Kconfig.hz" 98 99config MMU 100 bool "MMU support" 101 default n 102 103config NO_MMU 104 bool 105 depends on !MMU 106 default y 107 108comment "Boot options" 109 110config CMDLINE_BOOL 111 bool "Default bootloader kernel arguments" 112 113config CMDLINE 114 string "Default kernel command string" 115 depends on CMDLINE_BOOL 116 default "console=ttyUL0,115200" 117 help 118 On some architectures there is currently no way for the boot loader 119 to pass arguments to the kernel. For these architectures, you should 120 supply some command-line options at build time by entering them 121 here. 122 123config CMDLINE_FORCE 124 bool "Force default kernel command string" 125 depends on CMDLINE_BOOL 126 default n 127 help 128 Set this to have arguments from the default kernel command string 129 override those passed by the boot loader. 130 131config OF 132 def_bool y 133 select OF_FLATTREE 134 135config PROC_DEVICETREE 136 bool "Support for device tree in /proc" 137 depends on PROC_FS 138 help 139 This option adds a device-tree directory under /proc which contains 140 an image of the device tree that the kernel copies from Open 141 Firmware or other boot firmware. If unsure, say Y here. 142 143endmenu 144 145menu "Advanced setup" 146 147config ADVANCED_OPTIONS 148 bool "Prompt for advanced kernel configuration options" 149 depends on MMU 150 help 151 This option will enable prompting for a variety of advanced kernel 152 configuration options. These options can cause the kernel to not 153 work if they are set incorrectly, but can be used to optimize certain 154 aspects of kernel memory management. 155 156 Unless you know what you are doing, say N here. 157 158comment "Default settings for advanced configuration options are used" 159 depends on !ADVANCED_OPTIONS 160 161config HIGHMEM_START_BOOL 162 bool "Set high memory pool address" 163 depends on ADVANCED_OPTIONS && HIGHMEM 164 help 165 This option allows you to set the base address of the kernel virtual 166 area used to map high memory pages. This can be useful in 167 optimizing the layout of kernel virtual memory. 168 169 Say N here unless you know what you are doing. 170 171config HIGHMEM_START 172 hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL 173 depends on MMU 174 default "0xfe000000" 175 176config LOWMEM_SIZE_BOOL 177 bool "Set maximum low memory" 178 depends on ADVANCED_OPTIONS 179 help 180 This option allows you to set the maximum amount of memory which 181 will be used as "low memory", that is, memory which the kernel can 182 access directly, without having to set up a kernel virtual mapping. 183 This can be useful in optimizing the layout of kernel virtual 184 memory. 185 186 Say N here unless you know what you are doing. 187 188config LOWMEM_SIZE 189 hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL 190 depends on MMU 191 default "0x30000000" 192 193config KERNEL_START_BOOL 194 bool "Set custom kernel base address" 195 depends on ADVANCED_OPTIONS 196 help 197 This option allows you to set the kernel virtual address at which 198 the kernel will map low memory (the kernel image will be linked at 199 this address). This can be useful in optimizing the virtual memory 200 layout of the system. 201 202 Say N here unless you know what you are doing. 203 204config KERNEL_START 205 hex "Virtual address of kernel base" if KERNEL_START_BOOL 206 default "0xc0000000" if MMU 207 default KERNEL_BASE_ADDR if !MMU 208 209config TASK_SIZE_BOOL 210 bool "Set custom user task size" 211 depends on ADVANCED_OPTIONS 212 help 213 This option allows you to set the amount of virtual address space 214 allocated to user tasks. This can be useful in optimizing the 215 virtual memory layout of the system. 216 217 Say N here unless you know what you are doing. 218 219config TASK_SIZE 220 hex "Size of user task space" if TASK_SIZE_BOOL 221 depends on MMU 222 default "0x80000000" 223 224config CONSISTENT_START_BOOL 225 bool "Set custom consistent memory pool address" 226 depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE 227 help 228 This option allows you to set the base virtual address 229 of the the consistent memory pool. This pool of virtual 230 memory is used to make consistent memory allocations. 231 232config CONSISTENT_START 233 hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL 234 depends on MMU 235 default "0xff100000" if NOT_COHERENT_CACHE 236 237config CONSISTENT_SIZE_BOOL 238 bool "Set custom consistent memory pool size" 239 depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE 240 help 241 This option allows you to set the size of the the 242 consistent memory pool. This pool of virtual memory 243 is used to make consistent memory allocations. 244 245config CONSISTENT_SIZE 246 hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL 247 depends on MMU 248 default "0x00200000" if NOT_COHERENT_CACHE 249 250endmenu 251 252source "mm/Kconfig" 253 254menu "Exectuable file formats" 255 256source "fs/Kconfig.binfmt" 257 258endmenu 259 260source "net/Kconfig" 261 262source "drivers/Kconfig" 263 264source "fs/Kconfig" 265 266source "arch/microblaze/Kconfig.debug" 267 268source "security/Kconfig" 269 270source "crypto/Kconfig" 271 272source "lib/Kconfig" 273