1575ca288SMichal Simek# For a description of the syntax of this configuration file, 2575ca288SMichal Simek# see Documentation/kbuild/kconfig-language.txt. 3575ca288SMichal Simek 4575ca288SMichal Simekmainmenu "Linux/Microblaze Kernel Configuration" 5575ca288SMichal Simek 6575ca288SMichal Simekconfig MICROBLAZE 7575ca288SMichal Simek def_bool y 895f72d1eSYinghai Lu select HAVE_MEMBLOCK 92fd7c761SMichal Simek select HAVE_FUNCTION_TRACER 106d9e60ceSMichal Simek select HAVE_FUNCTION_TRACE_MCOUNT_TEST 11a0d3e665SMichal Simek select HAVE_FUNCTION_GRAPH_TRACER 127d241ff0SMichal Simek select HAVE_DYNAMIC_FTRACE 137d241ff0SMichal Simek select HAVE_FTRACE_MCOUNT_RECORD 14afc26cb3SJulie Zhu select USB_ARCH_HAS_EHCI 156fa612b5SMichal Simek select ARCH_WANT_OPTIONAL_GPIOLIB 163540ce82SJohn Williams select HAVE_OPROFILE 172d5973cbSMichal Simek select HAVE_ARCH_KGDB 18ccfe27d7SMichal Simek select HAVE_DMA_ATTRS 19ccfe27d7SMichal Simek select HAVE_DMA_API_DEBUG 203540ce82SJohn Williams select TRACING_SUPPORT 21575ca288SMichal Simek 22575ca288SMichal Simekconfig SWAP 23575ca288SMichal Simek def_bool n 24575ca288SMichal Simek 25575ca288SMichal Simekconfig RWSEM_GENERIC_SPINLOCK 26575ca288SMichal Simek def_bool y 27575ca288SMichal Simek 28575ca288SMichal Simekconfig RWSEM_XCHGADD_ALGORITHM 29575ca288SMichal Simek bool 30575ca288SMichal Simek 31575ca288SMichal Simekconfig ARCH_HAS_ILOG2_U32 32575ca288SMichal Simek def_bool n 33575ca288SMichal Simek 34575ca288SMichal Simekconfig ARCH_HAS_ILOG2_U64 35575ca288SMichal Simek def_bool n 36575ca288SMichal Simek 37575ca288SMichal Simekconfig GENERIC_FIND_NEXT_BIT 38575ca288SMichal Simek def_bool y 39575ca288SMichal Simek 40575ca288SMichal Simekconfig GENERIC_HWEIGHT 41575ca288SMichal Simek def_bool y 42575ca288SMichal Simek 43575ca288SMichal Simekconfig GENERIC_HARDIRQS 44575ca288SMichal Simek def_bool y 45575ca288SMichal Simek 46575ca288SMichal Simekconfig GENERIC_IRQ_PROBE 47575ca288SMichal Simek def_bool y 48575ca288SMichal Simek 49575ca288SMichal Simekconfig GENERIC_CALIBRATE_DELAY 50575ca288SMichal Simek def_bool y 51575ca288SMichal Simek 52575ca288SMichal Simekconfig GENERIC_TIME 53575ca288SMichal Simek def_bool y 54575ca288SMichal Simek 55575ca288SMichal Simekconfig GENERIC_TIME_VSYSCALL 56575ca288SMichal Simek def_bool n 57575ca288SMichal Simek 58575ca288SMichal Simekconfig GENERIC_CLOCKEVENTS 59575ca288SMichal Simek def_bool y 60575ca288SMichal Simek 61575ca288SMichal Simekconfig GENERIC_HARDIRQS_NO__DO_IRQ 62575ca288SMichal Simek def_bool y 63575ca288SMichal Simek 646fa612b5SMichal Simekconfig GENERIC_GPIO 656fa612b5SMichal Simek def_bool y 666fa612b5SMichal Simek 6714f87389SRemis Lima Baimaconfig GENERIC_CSUM 6814f87389SRemis Lima Baima def_bool y 6914f87389SRemis Lima Baima 7024b45a12SMichal Simekconfig STACKTRACE_SUPPORT 7124b45a12SMichal Simek def_bool y 7224b45a12SMichal Simek 73bf2d8096SMichal Simekconfig LOCKDEP_SUPPORT 74bf2d8096SMichal Simek def_bool y 75bf2d8096SMichal Simek 76fb5a32dcSMichal Simekconfig HAVE_LATENCYTOP_SUPPORT 77fb5a32dcSMichal Simek def_bool y 78fb5a32dcSMichal Simek 793c5e5672SMichal Simekconfig DTC 803c5e5672SMichal Simek def_bool y 813c5e5672SMichal Simek 82575ca288SMichal Simeksource "init/Kconfig" 83575ca288SMichal Simek 84575ca288SMichal Simeksource "kernel/Kconfig.freezer" 85575ca288SMichal Simek 86575ca288SMichal Simeksource "arch/microblaze/platform/Kconfig.platform" 87575ca288SMichal Simek 88575ca288SMichal Simekmenu "Processor type and features" 89575ca288SMichal Simek 90296e2603SMichal Simeksource "kernel/time/Kconfig" 91575ca288SMichal Simek 92575ca288SMichal Simeksource "kernel/Kconfig.preempt" 93575ca288SMichal Simek 94575ca288SMichal Simeksource "kernel/Kconfig.hz" 95575ca288SMichal Simek 96575ca288SMichal Simekconfig MMU 97a116f6d5SMichal Simek bool "MMU support" 98a116f6d5SMichal Simek default n 99575ca288SMichal Simek 100575ca288SMichal Simekconfig NO_MMU 101575ca288SMichal Simek bool 102575ca288SMichal Simek depends on !MMU 103575ca288SMichal Simek default y 104575ca288SMichal Simek 105575ca288SMichal Simekcomment "Boot options" 106575ca288SMichal Simek 107575ca288SMichal Simekconfig CMDLINE_BOOL 108575ca288SMichal Simek bool "Default bootloader kernel arguments" 109575ca288SMichal Simek 110575ca288SMichal Simekconfig CMDLINE 111575ca288SMichal Simek string "Default kernel command string" 112575ca288SMichal Simek depends on CMDLINE_BOOL 113575ca288SMichal Simek default "console=ttyUL0,115200" 114575ca288SMichal Simek help 115575ca288SMichal Simek On some architectures there is currently no way for the boot loader 116575ca288SMichal Simek to pass arguments to the kernel. For these architectures, you should 117575ca288SMichal Simek supply some command-line options at build time by entering them 118575ca288SMichal Simek here. 119575ca288SMichal Simek 120575ca288SMichal Simekconfig CMDLINE_FORCE 121575ca288SMichal Simek bool "Force default kernel command string" 122575ca288SMichal Simek depends on CMDLINE_BOOL 123575ca288SMichal Simek default n 124575ca288SMichal Simek help 125575ca288SMichal Simek Set this to have arguments from the default kernel command string 126575ca288SMichal Simek override those passed by the boot loader. 127575ca288SMichal Simek 128575ca288SMichal Simekconfig OF 129575ca288SMichal Simek def_bool y 130e169cfbeSGrant Likely select OF_FLATTREE 131575ca288SMichal Simek 132575ca288SMichal Simekconfig PROC_DEVICETREE 133575ca288SMichal Simek bool "Support for device tree in /proc" 134575ca288SMichal Simek depends on PROC_FS 135575ca288SMichal Simek help 136575ca288SMichal Simek This option adds a device-tree directory under /proc which contains 137575ca288SMichal Simek an image of the device tree that the kernel copies from Open 138575ca288SMichal Simek Firmware or other boot firmware. If unsure, say Y here. 139575ca288SMichal Simek 140575ca288SMichal Simekendmenu 141575ca288SMichal Simek 142a116f6d5SMichal Simekmenu "Advanced setup" 143a116f6d5SMichal Simek 144a116f6d5SMichal Simekconfig ADVANCED_OPTIONS 145a116f6d5SMichal Simek bool "Prompt for advanced kernel configuration options" 146a116f6d5SMichal Simek help 147a116f6d5SMichal Simek This option will enable prompting for a variety of advanced kernel 148a116f6d5SMichal Simek configuration options. These options can cause the kernel to not 149a116f6d5SMichal Simek work if they are set incorrectly, but can be used to optimize certain 150a116f6d5SMichal Simek aspects of kernel memory management. 151a116f6d5SMichal Simek 152a116f6d5SMichal Simek Unless you know what you are doing, say N here. 153a116f6d5SMichal Simek 154a116f6d5SMichal Simekcomment "Default settings for advanced configuration options are used" 155a116f6d5SMichal Simek depends on !ADVANCED_OPTIONS 156a116f6d5SMichal Simek 1573a0d7a4dSMichal Simekconfig XILINX_UNCACHED_SHADOW 1583a0d7a4dSMichal Simek bool "Are you using uncached shadow for RAM ?" 1593a0d7a4dSMichal Simek depends on ADVANCED_OPTIONS && !MMU 1603a0d7a4dSMichal Simek default n 1613a0d7a4dSMichal Simek help 1623a0d7a4dSMichal Simek This is needed to be able to allocate uncachable memory regions. 1633a0d7a4dSMichal Simek The feature requires the design to define the RAM memory controller 1643a0d7a4dSMichal Simek window to be twice as large as the actual physical memory. 1653a0d7a4dSMichal Simek 166a116f6d5SMichal Simekconfig HIGHMEM_START_BOOL 167a116f6d5SMichal Simek bool "Set high memory pool address" 168a116f6d5SMichal Simek depends on ADVANCED_OPTIONS && HIGHMEM 169a116f6d5SMichal Simek help 170a116f6d5SMichal Simek This option allows you to set the base address of the kernel virtual 171a116f6d5SMichal Simek area used to map high memory pages. This can be useful in 172a116f6d5SMichal Simek optimizing the layout of kernel virtual memory. 173a116f6d5SMichal Simek 174a116f6d5SMichal Simek Say N here unless you know what you are doing. 175a116f6d5SMichal Simek 176a116f6d5SMichal Simekconfig HIGHMEM_START 177a116f6d5SMichal Simek hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL 178a116f6d5SMichal Simek depends on MMU 179a116f6d5SMichal Simek default "0xfe000000" 180a116f6d5SMichal Simek 181a116f6d5SMichal Simekconfig LOWMEM_SIZE_BOOL 182a116f6d5SMichal Simek bool "Set maximum low memory" 183b8a84059SMichal Simek depends on ADVANCED_OPTIONS && MMU 184a116f6d5SMichal Simek help 185a116f6d5SMichal Simek This option allows you to set the maximum amount of memory which 186a116f6d5SMichal Simek will be used as "low memory", that is, memory which the kernel can 187a116f6d5SMichal Simek access directly, without having to set up a kernel virtual mapping. 188a116f6d5SMichal Simek This can be useful in optimizing the layout of kernel virtual 189a116f6d5SMichal Simek memory. 190a116f6d5SMichal Simek 191a116f6d5SMichal Simek Say N here unless you know what you are doing. 192a116f6d5SMichal Simek 193a116f6d5SMichal Simekconfig LOWMEM_SIZE 194a116f6d5SMichal Simek hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL 195a116f6d5SMichal Simek default "0x30000000" 196a116f6d5SMichal Simek 197a116f6d5SMichal Simekconfig KERNEL_START_BOOL 198a116f6d5SMichal Simek bool "Set custom kernel base address" 199a116f6d5SMichal Simek depends on ADVANCED_OPTIONS 200a116f6d5SMichal Simek help 201a116f6d5SMichal Simek This option allows you to set the kernel virtual address at which 202a116f6d5SMichal Simek the kernel will map low memory (the kernel image will be linked at 203a116f6d5SMichal Simek this address). This can be useful in optimizing the virtual memory 204a116f6d5SMichal Simek layout of the system. 205a116f6d5SMichal Simek 206a116f6d5SMichal Simek Say N here unless you know what you are doing. 207a116f6d5SMichal Simek 208a116f6d5SMichal Simekconfig KERNEL_START 209a116f6d5SMichal Simek hex "Virtual address of kernel base" if KERNEL_START_BOOL 210a116f6d5SMichal Simek default "0xc0000000" if MMU 211a116f6d5SMichal Simek default KERNEL_BASE_ADDR if !MMU 212a116f6d5SMichal Simek 213a116f6d5SMichal Simekconfig TASK_SIZE_BOOL 214a116f6d5SMichal Simek bool "Set custom user task size" 215b8a84059SMichal Simek depends on ADVANCED_OPTIONS && MMU 216a116f6d5SMichal Simek help 217a116f6d5SMichal Simek This option allows you to set the amount of virtual address space 218a116f6d5SMichal Simek allocated to user tasks. This can be useful in optimizing the 219a116f6d5SMichal Simek virtual memory layout of the system. 220a116f6d5SMichal Simek 221a116f6d5SMichal Simek Say N here unless you know what you are doing. 222a116f6d5SMichal Simek 223a116f6d5SMichal Simekconfig TASK_SIZE 224a116f6d5SMichal Simek hex "Size of user task space" if TASK_SIZE_BOOL 225a116f6d5SMichal Simek default "0x80000000" 226a116f6d5SMichal Simek 227ba9c4f88SSteven J. Magnanichoice 228ba9c4f88SSteven J. Magnani prompt "Page size" 229ba9c4f88SSteven J. Magnani default MICROBLAZE_4K_PAGES 230ba9c4f88SSteven J. Magnani depends on ADVANCED_OPTIONS && !MMU 231ba9c4f88SSteven J. Magnani help 232ba9c4f88SSteven J. Magnani Select the kernel logical page size. Increasing the page size 233ba9c4f88SSteven J. Magnani will reduce software overhead at each page boundary, allow 234ba9c4f88SSteven J. Magnani hardware prefetch mechanisms to be more effective, and allow 235ba9c4f88SSteven J. Magnani larger dma transfers increasing IO efficiency and reducing 236ba9c4f88SSteven J. Magnani overhead. However the utilization of memory will increase. 237ba9c4f88SSteven J. Magnani For example, each cached file will using a multiple of the 238ba9c4f88SSteven J. Magnani page size to hold its contents and the difference between the 239ba9c4f88SSteven J. Magnani end of file and the end of page is wasted. 240ba9c4f88SSteven J. Magnani 241ba9c4f88SSteven J. Magnani If unsure, choose 4K_PAGES. 242ba9c4f88SSteven J. Magnani 243ba9c4f88SSteven J. Magnaniconfig MICROBLAZE_4K_PAGES 244ba9c4f88SSteven J. Magnani bool "4k page size" 245ba9c4f88SSteven J. Magnani 246ba9c4f88SSteven J. Magnaniconfig MICROBLAZE_8K_PAGES 247ba9c4f88SSteven J. Magnani bool "8k page size" 248ba9c4f88SSteven J. Magnani 249ba9c4f88SSteven J. Magnaniconfig MICROBLAZE_16K_PAGES 250ba9c4f88SSteven J. Magnani bool "16k page size" 251ba9c4f88SSteven J. Magnani 252ba9c4f88SSteven J. Magnaniconfig MICROBLAZE_32K_PAGES 253ba9c4f88SSteven J. Magnani bool "32k page size" 254ba9c4f88SSteven J. Magnani 255ba9c4f88SSteven J. Magnaniendchoice 256ba9c4f88SSteven J. Magnani 257a116f6d5SMichal Simekendmenu 258a116f6d5SMichal Simek 259575ca288SMichal Simeksource "mm/Kconfig" 260575ca288SMichal Simek 261575ca288SMichal Simekmenu "Exectuable file formats" 262575ca288SMichal Simek 263575ca288SMichal Simeksource "fs/Kconfig.binfmt" 264575ca288SMichal Simek 265575ca288SMichal Simekendmenu 266575ca288SMichal Simek 267a6475c13SMichal Simekmenu "Bus Options" 268a6475c13SMichal Simek 269a6475c13SMichal Simekconfig PCI 270a6475c13SMichal Simek bool "PCI support" 271a6475c13SMichal Simek 272a6475c13SMichal Simekconfig PCI_DOMAINS 273a6475c13SMichal Simek def_bool PCI 274a6475c13SMichal Simek 275a6475c13SMichal Simekconfig PCI_SYSCALL 276a6475c13SMichal Simek def_bool PCI 277a6475c13SMichal Simek 278733cc218SMichal Simekconfig PCI_XILINX 279733cc218SMichal Simek bool "Xilinx PCI host bridge support" 280733cc218SMichal Simek depends on PCI 281733cc218SMichal Simek 282a6475c13SMichal Simeksource "drivers/pci/Kconfig" 283a6475c13SMichal Simek 284a6475c13SMichal Simekendmenu 285a6475c13SMichal Simek 286575ca288SMichal Simeksource "net/Kconfig" 287575ca288SMichal Simek 288575ca288SMichal Simeksource "drivers/Kconfig" 289575ca288SMichal Simek 290575ca288SMichal Simeksource "fs/Kconfig" 291575ca288SMichal Simek 292575ca288SMichal Simeksource "arch/microblaze/Kconfig.debug" 293575ca288SMichal Simek 294575ca288SMichal Simeksource "security/Kconfig" 295575ca288SMichal Simek 296575ca288SMichal Simeksource "crypto/Kconfig" 297575ca288SMichal Simek 298575ca288SMichal Simeksource "lib/Kconfig" 299