1config MICROBLAZE 2 def_bool y 3 select HAVE_MEMBLOCK 4 select HAVE_FUNCTION_TRACER 5 select HAVE_FUNCTION_TRACE_MCOUNT_TEST 6 select HAVE_FUNCTION_GRAPH_TRACER 7 select HAVE_DYNAMIC_FTRACE 8 select HAVE_FTRACE_MCOUNT_RECORD 9 select ARCH_WANT_OPTIONAL_GPIOLIB 10 select HAVE_OPROFILE 11 select HAVE_ARCH_KGDB 12 select HAVE_DMA_ATTRS 13 select HAVE_DMA_API_DEBUG 14 select TRACING_SUPPORT 15 select OF 16 select OF_EARLY_FLATTREE 17 select HAVE_GENERIC_HARDIRQS 18 select GENERIC_IRQ_PROBE 19 select GENERIC_IRQ_SHOW 20 select GENERIC_PCI_IOMAP 21 select GENERIC_CPU_DEVICES 22 select GENERIC_ATOMIC64 23 24config SWAP 25 def_bool n 26 27config RWSEM_GENERIC_SPINLOCK 28 def_bool y 29 30config RWSEM_XCHGADD_ALGORITHM 31 bool 32 33config ARCH_HAS_ILOG2_U32 34 def_bool n 35 36config ARCH_HAS_ILOG2_U64 37 def_bool n 38 39config GENERIC_HWEIGHT 40 def_bool y 41 42config GENERIC_CALIBRATE_DELAY 43 def_bool y 44 45config GENERIC_TIME_VSYSCALL 46 def_bool n 47 48config GENERIC_CLOCKEVENTS 49 def_bool y 50 51config GENERIC_GPIO 52 def_bool y 53 54config GENERIC_CSUM 55 def_bool y 56 57config STACKTRACE_SUPPORT 58 def_bool y 59 60config LOCKDEP_SUPPORT 61 def_bool y 62 63config HAVE_LATENCYTOP_SUPPORT 64 def_bool y 65 66source "init/Kconfig" 67 68source "kernel/Kconfig.freezer" 69 70source "arch/microblaze/platform/Kconfig.platform" 71 72menu "Processor type and features" 73 74source "kernel/time/Kconfig" 75 76source "kernel/Kconfig.preempt" 77 78source "kernel/Kconfig.hz" 79 80config MMU 81 bool "MMU support" 82 default n 83 84config NO_MMU 85 bool 86 depends on !MMU 87 default y 88 89comment "Boot options" 90 91config CMDLINE_BOOL 92 bool "Default bootloader kernel arguments" 93 94config CMDLINE 95 string "Default kernel command string" 96 depends on CMDLINE_BOOL 97 default "console=ttyUL0,115200" 98 help 99 On some architectures there is currently no way for the boot loader 100 to pass arguments to the kernel. For these architectures, you should 101 supply some command-line options at build time by entering them 102 here. 103 104config CMDLINE_FORCE 105 bool "Force default kernel command string" 106 depends on CMDLINE_BOOL 107 default n 108 help 109 Set this to have arguments from the default kernel command string 110 override those passed by the boot loader. 111 112config SECCOMP 113 bool "Enable seccomp to safely compute untrusted bytecode" 114 depends on PROC_FS 115 default y 116 help 117 This kernel feature is useful for number crunching applications 118 that may need to compute untrusted bytecode during their 119 execution. By using pipes or other transports made available to 120 the process as file descriptors supporting the read/write 121 syscalls, it's possible to isolate those applications in 122 their own address space using seccomp. Once seccomp is 123 enabled via /proc/<pid>/seccomp, it cannot be disabled 124 and the task is only allowed to execute a few safe syscalls 125 defined by each seccomp mode. 126 127 If unsure, say Y. Only embedded should say N here. 128 129endmenu 130 131menu "Advanced setup" 132 133config ADVANCED_OPTIONS 134 bool "Prompt for advanced kernel configuration options" 135 help 136 This option will enable prompting for a variety of advanced kernel 137 configuration options. These options can cause the kernel to not 138 work if they are set incorrectly, but can be used to optimize certain 139 aspects of kernel memory management. 140 141 Unless you know what you are doing, say N here. 142 143comment "Default settings for advanced configuration options are used" 144 depends on !ADVANCED_OPTIONS 145 146config XILINX_UNCACHED_SHADOW 147 bool "Are you using uncached shadow for RAM ?" 148 depends on ADVANCED_OPTIONS && !MMU 149 default n 150 help 151 This is needed to be able to allocate uncachable memory regions. 152 The feature requires the design to define the RAM memory controller 153 window to be twice as large as the actual physical memory. 154 155config HIGHMEM_START_BOOL 156 bool "Set high memory pool address" 157 depends on ADVANCED_OPTIONS && HIGHMEM 158 help 159 This option allows you to set the base address of the kernel virtual 160 area used to map high memory pages. This can be useful in 161 optimizing the layout of kernel virtual memory. 162 163 Say N here unless you know what you are doing. 164 165config HIGHMEM_START 166 hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL 167 depends on MMU 168 default "0xfe000000" 169 170config LOWMEM_SIZE_BOOL 171 bool "Set maximum low memory" 172 depends on ADVANCED_OPTIONS && MMU 173 help 174 This option allows you to set the maximum amount of memory which 175 will be used as "low memory", that is, memory which the kernel can 176 access directly, without having to set up a kernel virtual mapping. 177 This can be useful in optimizing the layout of kernel virtual 178 memory. 179 180 Say N here unless you know what you are doing. 181 182config LOWMEM_SIZE 183 hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL 184 default "0x30000000" 185 186config MANUAL_RESET_VECTOR 187 hex "Microblaze reset vector address setup" 188 default "0x0" 189 help 190 Set this option to have the kernel override the CPU Reset vector. 191 If zero, no change will be made to the MicroBlaze reset vector at 192 address 0x0. 193 If non-zero, a jump instruction to this address, will be written 194 to the reset vector at address 0x0. 195 If you are unsure, set it to default value 0x0. 196 197config KERNEL_START_BOOL 198 bool "Set custom kernel base address" 199 depends on ADVANCED_OPTIONS 200 help 201 This option allows you to set the kernel virtual address at which 202 the kernel will map low memory (the kernel image will be linked at 203 this address). This can be useful in optimizing the virtual memory 204 layout of the system. 205 206 Say N here unless you know what you are doing. 207 208config KERNEL_START 209 hex "Virtual address of kernel base" if KERNEL_START_BOOL 210 default "0xc0000000" if MMU 211 default KERNEL_BASE_ADDR if !MMU 212 213config TASK_SIZE_BOOL 214 bool "Set custom user task size" 215 depends on ADVANCED_OPTIONS && MMU 216 help 217 This option allows you to set the amount of virtual address space 218 allocated to user tasks. This can be useful in optimizing the 219 virtual memory layout of the system. 220 221 Say N here unless you know what you are doing. 222 223config TASK_SIZE 224 hex "Size of user task space" if TASK_SIZE_BOOL 225 default "0x80000000" 226 227choice 228 prompt "Page size" 229 default MICROBLAZE_4K_PAGES 230 depends on ADVANCED_OPTIONS && !MMU 231 help 232 Select the kernel logical page size. Increasing the page size 233 will reduce software overhead at each page boundary, allow 234 hardware prefetch mechanisms to be more effective, and allow 235 larger dma transfers increasing IO efficiency and reducing 236 overhead. However the utilization of memory will increase. 237 For example, each cached file will using a multiple of the 238 page size to hold its contents and the difference between the 239 end of file and the end of page is wasted. 240 241 If unsure, choose 4K_PAGES. 242 243config MICROBLAZE_4K_PAGES 244 bool "4k page size" 245 246config MICROBLAZE_8K_PAGES 247 bool "8k page size" 248 249config MICROBLAZE_16K_PAGES 250 bool "16k page size" 251 252config MICROBLAZE_32K_PAGES 253 bool "32k page size" 254 255endchoice 256 257endmenu 258 259source "mm/Kconfig" 260 261menu "Executable file formats" 262 263source "fs/Kconfig.binfmt" 264 265endmenu 266 267menu "Bus Options" 268 269config PCI 270 bool "PCI support" 271 272config PCI_DOMAINS 273 def_bool PCI 274 275config PCI_SYSCALL 276 def_bool PCI 277 278config PCI_XILINX 279 bool "Xilinx PCI host bridge support" 280 depends on PCI 281 282source "drivers/pci/Kconfig" 283 284endmenu 285 286source "net/Kconfig" 287 288source "drivers/Kconfig" 289 290source "fs/Kconfig" 291 292source "arch/microblaze/Kconfig.debug" 293 294source "security/Kconfig" 295 296source "crypto/Kconfig" 297 298source "lib/Kconfig" 299