1## 2## This file is part of the coreboot project. 3## 4## Copyright (C) 2009-2010 coresystems GmbH 5## 6## This program is free software; you can redistribute it and/or modify 7## it under the terms of the GNU General Public License as published by 8## the Free Software Foundation; version 2 of the License. 9## 10## This program is distributed in the hope that it will be useful, 11## but WITHOUT ANY WARRANTY; without even the implied warranty of 12## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13## GNU General Public License for more details. 14## 15## You should have received a copy of the GNU General Public License 16## along with this program; if not, write to the Free Software 17## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 18## 19 20mainmenu "Coreboot Configuration" 21 22menu "General setup" 23 24config EXPERT 25 bool "Expert mode" 26 help 27 This allows you to select certain advanced configuration options. 28 29 Warning: Only enable this option if you really know what you are 30 doing! You have been warned! 31 32config LOCALVERSION 33 string "Local version string" 34 help 35 Append an extra string to the end of the coreboot version. 36 37 This can be useful if, for instance, you want to append the 38 respective board's hostname or some other identifying string to 39 the coreboot version number, so that you can easily distinguish 40 boot logs of different boards from each other. 41 42config CBFS_PREFIX 43 string "CBFS prefix to use" 44 default "fallback" 45 help 46 Select the prefix to all files put into the image. It's "fallback" 47 by default, "normal" is a common alternative. 48 49choice 50 prompt "Compiler" 51 default COMPILER_GCC 52 help 53 This option allows you to select the compiler used for building 54 coreboot. 55 56config COMPILER_GCC 57 bool "GCC" 58config COMPILER_LLVM_CLANG 59 bool "LLVM/clang" 60endchoice 61 62config SCANBUILD_ENABLE 63 bool "Build with scan-build for static analysis" 64 default n 65 help 66 Changes the build process to scan-build is used. 67 Requires scan-build in path. 68 69config SCANBUILD_REPORT_LOCATION 70 string "Directory to put scan-build report in" 71 default "" 72 depends on SCANBUILD_ENABLE 73 help 74 Where the scan-build report should be stored 75 76config CCACHE 77 bool "ccache" 78 default n 79 help 80 Enables the use of ccache for faster builds. 81 Requires ccache in path. 82 83config SCONFIG_GENPARSER 84 bool "Generate SCONFIG parser using flex and bison" 85 default n 86 depends on EXPERT 87 help 88 Enable this option if you are working on the sconfig 89 device tree parser and made changes to sconfig.l and 90 sconfig.y. 91 Otherwise, say N. 92 93config USE_OPTION_TABLE 94 bool "Use CMOS for configuration values" 95 default n 96 depends on HAVE_OPTION_TABLE 97 help 98 Enable this option if coreboot shall read options from the "CMOS" 99 NVRAM instead of using hard coded values. 100 101config COMPRESS_RAMSTAGE 102 bool "Compress ramstage with LZMA" 103 default y 104 help 105 Compress ramstage to save memory in the flash image. Note 106 that decompression might slow down booting if the boot flash 107 is connected through a slow Link (i.e. SPI) 108 109endmenu 110 111source src/mainboard/Kconfig 112 113# This option is used to set the architecture of a mainboard to X86. 114# It is usually set in mainboard/*/Kconfig. 115config ARCH_X86 116 bool 117 default n 118 119if ARCH_X86 120source src/arch/x86/Kconfig 121endif 122 123menu "Chipset" 124 125comment "CPU" 126source src/cpu/Kconfig 127comment "Northbridge" 128source src/northbridge/Kconfig 129comment "Southbridge" 130source src/southbridge/Kconfig 131comment "Super I/O" 132source src/superio/Kconfig 133comment "Devices" 134source src/devices/Kconfig 135comment "Embedded Controllers" 136source src/ec/Kconfig 137 138endmenu 139 140menu "Generic Drivers" 141source src/drivers/Kconfig 142endmenu 143 144config PCI_BUS_SEGN_BITS 145 int 146 default 0 147 148config PCI_ROM_RUN 149 bool 150 default n 151 152config HEAP_SIZE 153 hex 154 default 0x4000 155 156config MAX_CPUS 157 int 158 default 1 159 160config MMCONF_SUPPORT_DEFAULT 161 bool 162 default n 163 164config MMCONF_SUPPORT 165 bool 166 default n 167 168source src/console/Kconfig 169 170# This should default to N and be set by SuperI/O drivers that have an UART 171config HAVE_UART_IO_MAPPED 172 bool 173 default y 174 175config HAVE_UART_MEMORY_MAPPED 176 bool 177 default n 178 179config HAVE_ACPI_RESUME 180 bool 181 default n 182 183config HAVE_ACPI_SLIC 184 bool 185 default n 186 187config ACPI_SSDTX_NUM 188 int 189 default 0 190 191config HAVE_HARD_RESET 192 bool 193 default y if BOARD_HAS_HARD_RESET 194 default n 195 help 196 This variable specifies whether a given board has a hard_reset 197 function, no matter if it's provided by board code or chipset code. 198 199config HAVE_INIT_TIMER 200 bool 201 default n if UDELAY_IO 202 default y 203 204config HAVE_MAINBOARD_RESOURCES 205 bool 206 default n 207 208config USE_OPTION_TABLE 209 bool 210 default n 211 212config HAVE_OPTION_TABLE 213 bool 214 default n 215 help 216 This variable specifies whether a given board has a cmos.layout 217 file containing NVRAM/CMOS bit definitions. 218 It defaults to 'n' but can be selected in mainboard/*/Kconfig. 219 220config PIRQ_ROUTE 221 bool 222 default n 223 224config HAVE_SMI_HANDLER 225 bool 226 default n 227 228config PCI_IO_CFG_EXT 229 bool 230 default n 231 232config IOAPIC 233 bool 234 default n 235 236# TODO: Can probably be removed once all chipsets have kconfig options for it. 237config VIDEO_MB 238 int 239 default 0 240 241config USE_WATCHDOG_ON_BOOT 242 bool 243 default n 244 245config VGA 246 bool 247 default n 248 help 249 Build board-specific VGA code. 250 251config GFXUMA 252 bool 253 default n 254 help 255 Enable Unified Memory Architecture for graphics. 256 257# TODO 258# menu "Drivers" 259# 260# endmenu 261 262config HAVE_ACPI_TABLES 263 bool 264 help 265 This variable specifies whether a given board has ACPI table support. 266 It is usually set in mainboard/*/Kconfig. 267 Whether or not the ACPI tables are actually generated by coreboot 268 is configurable by the user via GENERATE_ACPI_TABLES. 269 270config HAVE_MP_TABLE 271 bool 272 help 273 This variable specifies whether a given board has MP table support. 274 It is usually set in mainboard/*/Kconfig. 275 Whether or not the MP table is actually generated by coreboot 276 is configurable by the user via GENERATE_MP_TABLE. 277 278config HAVE_PIRQ_TABLE 279 bool 280 help 281 This variable specifies whether a given board has PIRQ table support. 282 It is usually set in mainboard/*/Kconfig. 283 Whether or not the PIRQ table is actually generated by coreboot 284 is configurable by the user via GENERATE_PIRQ_TABLE. 285 286#These Options are here to avoid "undefined" warnings. 287#The actual selection and help texts are in the following menu. 288 289config GENERATE_ACPI_TABLES 290 bool 291 default HAVE_ACPI_TABLES 292 293config GENERATE_MP_TABLE 294 bool 295 default HAVE_MP_TABLE 296 297config GENERATE_PIRQ_TABLE 298 bool 299 default HAVE_PIRQ_TABLE 300 301menu "System tables" 302 303config WRITE_HIGH_TABLES 304 bool "Write 'high' tables to avoid being overwritten in F segment" 305 default y 306 307config MULTIBOOT 308 bool "Generate Multiboot tables (for GRUB2)" 309 default y 310 311config GENERATE_ACPI_TABLES 312 depends on HAVE_ACPI_TABLES 313 bool "Generate ACPI tables" 314 default y 315 help 316 Generate ACPI tables for this board. 317 318 If unsure, say Y. 319 320config GENERATE_MP_TABLE 321 depends on HAVE_MP_TABLE 322 bool "Generate an MP table" 323 default y 324 help 325 Generate an MP table (conforming to the Intel MultiProcessor 326 specification 1.4) for this board. 327 328 If unsure, say Y. 329 330config GENERATE_PIRQ_TABLE 331 depends on HAVE_PIRQ_TABLE 332 bool "Generate a PIRQ table" 333 default y 334 help 335 Generate a PIRQ table for this board. 336 337 If unsure, say Y. 338 339endmenu 340 341menu "Payload" 342 343choice 344 prompt "Add a payload" 345 default PAYLOAD_NONE if !ARCH_X86 346 default PAYLOAD_SEABIOS if ARCH_X86 347 348config PAYLOAD_NONE 349 bool "None" 350 help 351 Select this option if you want to create an "empty" coreboot 352 ROM image for a certain mainboard, i.e. a coreboot ROM image 353 which does not yet contain a payload. 354 355 For such an image to be useful, you have to use 'cbfstool' 356 to add a payload to the ROM image later. 357 358config PAYLOAD_ELF 359 bool "An ELF executable payload" 360 help 361 Select this option if you have a payload image (an ELF file) 362 which coreboot should run as soon as the basic hardware 363 initialization is completed. 364 365 You will be able to specify the location and file name of the 366 payload image later. 367 368config PAYLOAD_SEABIOS 369 bool "SeaBIOS" 370 depends on ARCH_X86 371 help 372 Select this option if you want to build a coreboot image 373 with a SeaBIOS payload. If you don't know what this is 374 about, just leave it enabled. 375 376 See http://coreboot.org/Payloads for more information. 377 378config PAYLOAD_FILO 379 bool "FILO" 380 help 381 Select this option if you want to build a coreboot image 382 with a FILO payload. If you don't know what this is 383 about, just leave it enabled. 384 385 See http://coreboot.org/Payloads for more information. 386 387endchoice 388 389choice 390 prompt "SeaBIOS version" 391 default SEABIOS_STABLE 392 depends on PAYLOAD_SEABIOS 393 394config SEABIOS_STABLE 395 bool "stable" 396 help 397 Stable SeaBIOS version 398config SEABIOS_MASTER 399 bool "master" 400 help 401 Newest SeaBIOS version 402endchoice 403 404choice 405 prompt "FILO version" 406 default FILO_STABLE 407 depends on PAYLOAD_FILO 408 409config FILO_STABLE 410 bool "0.6.0" 411 help 412 Stable FILO version 413config FILO_MASTER 414 bool "HEAD" 415 help 416 Newest FILO version 417endchoice 418 419config PAYLOAD_FILE 420 string "Payload path and filename" 421 depends on PAYLOAD_ELF 422 default "payload.elf" 423 help 424 The path and filename of the ELF executable file to use as payload. 425 426config PAYLOAD_FILE 427 depends on PAYLOAD_SEABIOS 428 default "payloads/external/SeaBIOS/seabios/out/bios.bin.elf" 429 430config PAYLOAD_FILE 431 depends on PAYLOAD_FILO 432 default "payloads/external/FILO/filo/build/filo.elf" 433 434# TODO: Defined if no payload? Breaks build? 435config COMPRESSED_PAYLOAD_LZMA 436 bool "Use LZMA compression for payloads" 437 default y 438 depends on PAYLOAD_ELF || PAYLOAD_SEABIOS || PAYLOAD_FILO 439 help 440 In order to reduce the size payloads take up in the ROM chip 441 coreboot can compress them using the LZMA algorithm. 442 443config COMPRESSED_PAYLOAD_NRV2B 444 bool 445 default n 446 447endmenu 448 449menu "VGA BIOS" 450 451config VGA_BIOS 452 bool "Add a VGA BIOS image" 453 help 454 Select this option if you have a VGA BIOS image that you would 455 like to add to your ROM. 456 457 You will be able to specify the location and file name of the 458 image later. 459 460config VGA_BIOS_FILE 461 string "VGA BIOS path and filename" 462 depends on VGA_BIOS 463 default "vgabios.bin" 464 help 465 The path and filename of the file to use as VGA BIOS. 466 467config VGA_BIOS_ID 468 string "VGA device PCI IDs" 469 depends on VGA_BIOS 470 default "1106,3230" 471 help 472 The comma-separated PCI vendor and device ID that would associate 473 your VGA BIOS to your video card. 474 475 Example: 1106,3230 476 477 In the above example 1106 is the PCI vendor ID (in hex, but without 478 the "0x" prefix) and 3230 specifies the PCI device ID of the 479 video card (also in hex, without "0x" prefix). 480 481config INTEL_MBI 482 bool "Add an MBI image" 483 depends on NORTHBRIDGE_INTEL_I82830 484 help 485 Select this option if you have an Intel MBI image that you would 486 like to add to your ROM. 487 488 You will be able to specify the location and file name of the 489 image later. 490 491config MBI_FILE 492 string "Intel MBI path and filename" 493 depends on INTEL_MBI 494 default "mbi.bin" 495 help 496 The path and filename of the file to use as VGA BIOS. 497 498endmenu 499 500menu "Bootsplash" 501 depends on PCI_OPTION_ROM_RUN_YABEL 502 503config BOOTSPLASH 504 prompt "Show graphical bootsplash" 505 bool 506 depends on PCI_OPTION_ROM_RUN_YABEL 507 help 508 This option shows a graphical bootsplash screen. The grapics are 509 loaded from the CBFS file bootsplash.jpg. 510 511config BOOTSPLASH_FILE 512 string "Bootsplash path and filename" 513 depends on BOOTSPLASH 514 default "bootsplash.jpg" 515 help 516 The path and filename of the file to use as graphical bootsplash 517 screen. The file format has to be jpg. 518 519# TODO: Turn this into a "choice". 520config FRAMEBUFFER_VESA_MODE 521 prompt "VESA framebuffer video mode" 522 hex 523 default 0x117 524 depends on BOOTSPLASH 525 help 526 This option sets the resolution used for the coreboot framebuffer and 527 bootsplash screen. Set to 0x117 for 1024x768x16. A diligent soul will 528 some day make this a "choice". 529 530config COREBOOT_KEEP_FRAMEBUFFER 531 prompt "Keep VESA framebuffer" 532 bool 533 depends on BOOTSPLASH 534 help 535 This option keeps the framebuffer mode set after coreboot finishes 536 execution. If this option is enabled, coreboot will pass a 537 framebuffer entry in its coreboot table and the payload will need a 538 framebuffer driver. If this option is disabled, coreboot will switch 539 back to text mode before handing control to a payload. 540 541endmenu 542 543menu "Debugging" 544 545# TODO: Better help text and detailed instructions. 546config GDB_STUB 547 bool "GDB debugging support" 548 default y 549 help 550 If enabled, you will be able to set breakpoints for gdb debugging. 551 See src/arch/x86/lib/c_start.S for details. 552 553config HAVE_DEBUG_RAM_SETUP 554 def_bool n 555 556config DEBUG_RAM_SETUP 557 bool "Output verbose RAM init debug messages" 558 default n 559 depends on HAVE_DEBUG_RAM_SETUP 560 help 561 This option enables additional RAM init related debug messages. 562 It is recommended to enable this when debugging issues on your 563 board which might be RAM init related. 564 565 Note: This option will increase the size of the coreboot image. 566 567 If unsure, say N. 568 569config HAVE_DEBUG_CAR 570 def_bool n 571 572config DEBUG_CAR 573 def_bool n 574 depends on HAVE_DEBUG_CAR 575 576if DEFAULT_CONSOLE_LOGLEVEL_7 || DEFAULT_CONSOLE_LOGLEVEL_8 577# Only visible if debug level is DEBUG (7) or SPEW (8) as it does additional 578# printk(BIOS_DEBUG, ...) calls. 579config DEBUG_CAR 580 bool "Output verbose Cache-as-RAM debug messages" 581 default n 582 depends on HAVE_DEBUG_CAR 583 help 584 This option enables additional CAR related debug messages. 585endif 586 587config DEBUG_PIRQ 588 bool "Check PIRQ table consistency" 589 default n 590 depends on GENERATE_PIRQ_TABLE 591 help 592 If unsure, say N. 593 594config HAVE_DEBUG_SMBUS 595 def_bool n 596 597config DEBUG_SMBUS 598 bool "Output verbose SMBus debug messages" 599 default n 600 depends on HAVE_DEBUG_SMBUS 601 help 602 This option enables additional SMBus (and SPD) debug messages. 603 604 Note: This option will increase the size of the coreboot image. 605 606 If unsure, say N. 607 608config DEBUG_SMI 609 bool "Output verbose SMI debug messages" 610 default n 611 depends on HAVE_SMI_HANDLER 612 help 613 This option enables additional SMI related debug messages. 614 615 Note: This option will increase the size of the coreboot image. 616 617 If unsure, say N. 618 619config DEBUG_SMM_RELOCATION 620 bool "Debug SMM relocation code" 621 default n 622 depends on HAVE_SMI_HANDLER 623 help 624 This option enables additional SMM handler relocation related 625 debug messages. 626 627 Note: This option will increase the size of the coreboot image. 628 629 If unsure, say N. 630 631config DEBUG_MALLOC 632 def_bool n 633 634# Only visible if debug level is DEBUG (7) or SPEW (8) as it does additional 635# printk(BIOS_DEBUG, ...) calls. 636if DEFAULT_CONSOLE_LOGLEVEL_7 || DEFAULT_CONSOLE_LOGLEVEL_8 637config DEBUG_MALLOC 638 bool "Output verbose malloc debug messages" 639 default n 640 help 641 This option enables additional malloc related debug messages. 642 643 Note: This option will increase the size of the coreboot image. 644 645 If unsure, say N. 646endif 647 648config REALMODE_DEBUG 649 def_bool n 650 depends on PCI_OPTION_ROM_RUN_REALMODE 651 652if DEFAULT_CONSOLE_LOGLEVEL_7 || DEFAULT_CONSOLE_LOGLEVEL_8 653# Only visible if debug level is DEBUG (7) or SPEW (8) as it does additional 654# printk(BIOS_DEBUG, ...) calls. 655config REALMODE_DEBUG 656 bool "Enable debug messages for option ROM execution" 657 default n 658 depends on PCI_OPTION_ROM_RUN_REALMODE 659 help 660 This option enables additional x86emu related debug messages. 661 662 Note: This option will increase the time to emulate a ROM. 663 664 If unsure, say N. 665endif 666 667config X86EMU_DEBUG 668 bool "Output verbose x86emu debug messages" 669 default n 670 depends on PCI_OPTION_ROM_RUN_YABEL 671 help 672 This option enables additional x86emu related debug messages. 673 674 Note: This option will increase the size of the coreboot image. 675 676 If unsure, say N. 677 678config X86EMU_DEBUG_JMP 679 bool "Trace JMP/RETF" 680 default n 681 depends on X86EMU_DEBUG 682 help 683 Print information about JMP and RETF opcodes from x86emu. 684 685 Note: This option will increase the size of the coreboot image. 686 687 If unsure, say N. 688 689config X86EMU_DEBUG_TRACE 690 bool "Trace all opcodes" 691 default n 692 depends on X86EMU_DEBUG 693 help 694 Print _all_ opcodes that are executed by x86emu. 695 696 WARNING: This will produce a LOT of output and take a long time. 697 698 Note: This option will increase the size of the coreboot image. 699 700 If unsure, say N. 701 702config X86EMU_DEBUG_PNP 703 bool "Log Plug&Play accesses" 704 default n 705 depends on X86EMU_DEBUG 706 help 707 Print Plug And Play accesses made by option ROMs. 708 709 Note: This option will increase the size of the coreboot image. 710 711 If unsure, say N. 712 713config X86EMU_DEBUG_DISK 714 bool "Log Disk I/O" 715 default n 716 depends on X86EMU_DEBUG 717 help 718 Print Disk I/O related messages. 719 720 Note: This option will increase the size of the coreboot image. 721 722 If unsure, say N. 723 724config X86EMU_DEBUG_PMM 725 bool "Log PMM" 726 default n 727 depends on X86EMU_DEBUG 728 help 729 Print messages related to POST Memory Manager (PMM). 730 731 Note: This option will increase the size of the coreboot image. 732 733 If unsure, say N. 734 735 736config X86EMU_DEBUG_VBE 737 bool "Debug VESA BIOS Extensions" 738 default n 739 depends on X86EMU_DEBUG 740 help 741 Print messages related to VESA BIOS Extension (VBE) functions. 742 743 Note: This option will increase the size of the coreboot image. 744 745 If unsure, say N. 746 747config X86EMU_DEBUG_INT10 748 bool "Redirect INT10 output to console" 749 default n 750 depends on X86EMU_DEBUG 751 help 752 Let INT10 (i.e. character output) calls print messages to debug output. 753 754 Note: This option will increase the size of the coreboot image. 755 756 If unsure, say N. 757 758config X86EMU_DEBUG_INTERRUPTS 759 bool "Log intXX calls" 760 default n 761 depends on X86EMU_DEBUG 762 help 763 Print messages related to interrupt handling. 764 765 Note: This option will increase the size of the coreboot image. 766 767 If unsure, say N. 768 769config X86EMU_DEBUG_CHECK_VMEM_ACCESS 770 bool "Log special memory accesses" 771 default n 772 depends on X86EMU_DEBUG 773 help 774 Print messages related to accesses to certain areas of the virtual 775 memory (e.g. BDA (BIOS Data Area) or interrupt vectors) 776 777 Note: This option will increase the size of the coreboot image. 778 779 If unsure, say N. 780 781config X86EMU_DEBUG_MEM 782 bool "Log all memory accesses" 783 default n 784 depends on X86EMU_DEBUG 785 help 786 Print memory accesses made by option ROM. 787 Note: This also includes accesses to fetch instructions. 788 789 Note: This option will increase the size of the coreboot image. 790 791 If unsure, say N. 792 793config X86EMU_DEBUG_IO 794 bool "Log IO accesses" 795 default n 796 depends on X86EMU_DEBUG 797 help 798 Print I/O accesses made by option ROM. 799 800 Note: This option will increase the size of the coreboot image. 801 802 If unsure, say N. 803 804config LLSHELL 805 bool "Built-in low-level shell" 806 default n 807 help 808 If enabled, you will have a low level shell to examine your machine. 809 Put llshell() in your (romstage) code to start the shell. 810 See src/arch/x86/llshell/llshell.inc for details. 811 812endmenu 813 814config LIFT_BSP_APIC_ID 815 bool 816 default n 817 818# These probably belong somewhere else, but they are needed somewhere. 819config AP_CODE_IN_CAR 820 bool 821 default n 822 823config RAMINIT_SYSINFO 824 bool 825 default n 826 827config ENABLE_APIC_EXT_ID 828 bool 829 default n 830 831config WARNINGS_ARE_ERRORS 832 bool 833 default y 834 835config ID_SECTION_OFFSET 836 hex 837 default 0x10 838 839# The four POWER_BUTTON_DEFAULT_ENABLE, POWER_BUTTON_DEFAULT_DISABLE, 840# POWER_BUTTON_FORCE_ENABLE and POWER_BUTTON_FORCE_DISABLE options are 841# mutually exclusive. One of these options must be selected in the 842# mainboard Kconfig if the chipset supports enabling and disabling of 843# the power button. Chipset code uses the ENABLE_POWER_BUTTON option set 844# in mainboard/Kconfig to know if the button should be enabled or not. 845 846config POWER_BUTTON_DEFAULT_ENABLE 847 def_bool n 848 help 849 Select when the board has a power button which can optionally be 850 disabled by the user. 851 852config POWER_BUTTON_DEFAULT_DISABLE 853 def_bool n 854 help 855 Select when the board has a power button which can optionally be 856 enabled by the user, e.g. when the board ships with a jumper over 857 the power switch contacts. 858 859config POWER_BUTTON_FORCE_ENABLE 860 def_bool n 861 help 862 Select when the board requires that the power button is always 863 enabled. 864 865config POWER_BUTTON_FORCE_DISABLE 866 def_bool n 867 help 868 Select when the board requires that the power button is always 869 disabled, e.g. when it has been hardwired to ground. 870 871config POWER_BUTTON_IS_OPTIONAL 872 bool 873 default y if POWER_BUTTON_DEFAULT_ENABLE || POWER_BUTTON_DEFAULT_DISABLE 874 default n if !(POWER_BUTTON_DEFAULT_ENABLE || POWER_BUTTON_DEFAULT_DISABLE) 875 help 876 Internal option that controls ENABLE_POWER_BUTTON visibility. 877 878source src/Kconfig.deprecated_options 879