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