11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# For a description of the syntax of this configuration file, 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# see Documentation/kbuild/kconfig-language.txt. 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmenu "Firmware Drivers" 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconfig EDD 95d18639a833e9f034b055dcbb16a980be627f475Chris Wedgwood tristate "BIOS Enhanced Disk Drive calls determine boot disk" 109b6e3e42a48ea535c0ed79df32d1353d5e547bedMike Frysinger depends on X86 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds help 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Say Y or M here if you want to enable BIOS Enhanced Disk Drive 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Services real mode BIOS calls to determine which disk 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BIOS tries boot from. This information is then exported via sysfs. 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds This option is experimental and is known to fail to boot on some 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds obscure configurations. Most disk controller BIOS vendors do 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds not yet implement this feature. 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 208c4dd6068221cd1d0d90490ace80eb4344914a8cTim Gardnerconfig EDD_OFF 218c4dd6068221cd1d0d90490ace80eb4344914a8cTim Gardner bool "Sets default behavior for EDD detection to off" 228c4dd6068221cd1d0d90490ace80eb4344914a8cTim Gardner depends on EDD 238c4dd6068221cd1d0d90490ace80eb4344914a8cTim Gardner default n 248c4dd6068221cd1d0d90490ace80eb4344914a8cTim Gardner help 258c4dd6068221cd1d0d90490ace80eb4344914a8cTim Gardner Say Y if you want EDD disabled by default, even though it is compiled into the 268c4dd6068221cd1d0d90490ace80eb4344914a8cTim Gardner kernel. Say N if you want EDD enabled by default. EDD can be dynamically set 278c4dd6068221cd1d0d90490ace80eb4344914a8cTim Gardner using the kernel parameter 'edd={on|skipmbr|off}'. 288c4dd6068221cd1d0d90490ace80eb4344914a8cTim Gardner 2969ac9cd629ca96e59f34eb4ccd12d00b2c8276a7Bernhard Walleconfig FIRMWARE_MEMMAP 306a108a14fa356ef607be308b68337939e56ea94eDavid Rientjes bool "Add firmware-provided memory map to sysfs" if EXPERT 319b6e3e42a48ea535c0ed79df32d1353d5e547bedMike Frysinger default X86 3269ac9cd629ca96e59f34eb4ccd12d00b2c8276a7Bernhard Walle help 3369ac9cd629ca96e59f34eb4ccd12d00b2c8276a7Bernhard Walle Add the firmware-provided (unmodified) memory map to /sys/firmware/memmap. 3469ac9cd629ca96e59f34eb4ccd12d00b2c8276a7Bernhard Walle That memory map is used for example by kexec to set up parameter area 3569ac9cd629ca96e59f34eb4ccd12d00b2c8276a7Bernhard Walle for the next kernel, but can also be used for debugging purposes. 3669ac9cd629ca96e59f34eb4ccd12d00b2c8276a7Bernhard Walle 3769ac9cd629ca96e59f34eb4ccd12d00b2c8276a7Bernhard Walle See also Documentation/ABI/testing/sysfs-firmware-memmap. 3869ac9cd629ca96e59f34eb4ccd12d00b2c8276a7Bernhard Walle 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconfig EFI_PCDP 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bool "Console device selection via EFI PCDP or HCDP table" 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds depends on ACPI && EFI && IA64 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default y if IA64 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds help 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds If your firmware supplies the PCDP table, and you want to 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds automatically use the primary console device it describes 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds as the Linux console, say Y here. 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds If your firmware supplies the HCDP table, and you want to 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds use the first serial port it describes as the Linux console, 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds say Y here. If your EFI ConOut path contains only a UART 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds device, it will become the console automatically. Otherwise, 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds you must specify the "console=hcdp" kernel boot argument. 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Neither the PCDP nor the HCDP affects naming of serial devices, 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds so a serial console may be /dev/ttyS0, /dev/ttyS1, etc, depending 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds on how the driver discovers devices. 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds You must also enable the appropriate drivers (serial, VGA, etc.) 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 60631dd1a885b6d7e9f6f51b4e5b311c2bb04c323cJustin P. Mattock See DIG64_HCDPv20_042804.pdf available from 61631dd1a885b6d7e9f6f51b4e5b311c2bb04c323cJustin P. Mattock <http://www.dig64.org/specifications/> 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 636c54c28e69f2a374ad708fba37cbe1c5bb94e283Abhay Salunkeconfig DELL_RBU 646c54c28e69f2a374ad708fba37cbe1c5bb94e283Abhay Salunke tristate "BIOS update support for DELL systems via sysfs" 656c52f1377d9cc4bedec5d4e1e3b22756b8978399Dave Jones depends on X86 666c54c28e69f2a374ad708fba37cbe1c5bb94e283Abhay Salunke select FW_LOADER 67d05c39ea67f5786a549ac9d672d2951992b658c6Takashi Iwai select FW_LOADER_USER_HELPER 686c54c28e69f2a374ad708fba37cbe1c5bb94e283Abhay Salunke help 696c54c28e69f2a374ad708fba37cbe1c5bb94e283Abhay Salunke Say m if you want to have the option of updating the BIOS for your 706c54c28e69f2a374ad708fba37cbe1c5bb94e283Abhay Salunke DELL system. Note you need a Dell OpenManage or Dell Update package (DUP) 71095096038d637c477ef3c1b674612bcbc4d60c2dMatt LaPlante supporting application to communicate with the BIOS regarding the new 726c54c28e69f2a374ad708fba37cbe1c5bb94e283Abhay Salunke image for the image update to take effect. 736c54c28e69f2a374ad708fba37cbe1c5bb94e283Abhay Salunke See <file:Documentation/dell_rbu.txt> for more details on the driver. 7490563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha 7590563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzechaconfig DCDBAS 7690563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha tristate "Dell Systems Management Base Driver" 770d078f6f96809c95c69b99d6605a502b0ac63d3dBrian Gerst depends on X86 7890563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha help 7990563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha The Dell Systems Management Base Driver provides a sysfs interface 8090563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha for systems management software to perform System Management 8190563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha Interrupts (SMIs) and Host Control Actions (system power cycle or 8290563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha power off after OS shutdown) on certain Dell systems. 8390563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha 8490563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha See <file:Documentation/dcdbas.txt> for more details on the driver 8590563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha and the Dell systems on which Dell systems management software makes 8690563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha use of this driver. 8790563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha 8890563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha Say Y or M here to enable the driver for use by Dell systems 8990563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha management software such as Dell OpenManage. 9090563ec4129f14d19f018240d1d3ff5c0e5e6392Doug Warzecha 914f5c791a850e5305a5b1b48d0e4b4de248dc96f9Lennart Poetteringconfig DMIID 924f5c791a850e5305a5b1b48d0e4b4de248dc96f9Lennart Poettering bool "Export DMI identification via sysfs to userspace" 934f5c791a850e5305a5b1b48d0e4b4de248dc96f9Lennart Poettering depends on DMI 944f5c791a850e5305a5b1b48d0e4b4de248dc96f9Lennart Poettering default y 954f5c791a850e5305a5b1b48d0e4b4de248dc96f9Lennart Poettering help 964f5c791a850e5305a5b1b48d0e4b4de248dc96f9Lennart Poettering Say Y here if you want to query SMBIOS/DMI system identification 974f5c791a850e5305a5b1b48d0e4b4de248dc96f9Lennart Poettering information from userspace through /sys/class/dmi/id/ or if you want 984f5c791a850e5305a5b1b48d0e4b4de248dc96f9Lennart Poettering DMI-based module auto-loading. 994f5c791a850e5305a5b1b48d0e4b4de248dc96f9Lennart Poettering 100948af1f0bbc8526448e8cbe3f8d3bf211bdf5181Mike Waychisonconfig DMI_SYSFS 101948af1f0bbc8526448e8cbe3f8d3bf211bdf5181Mike Waychison tristate "DMI table support in sysfs" 102948af1f0bbc8526448e8cbe3f8d3bf211bdf5181Mike Waychison depends on SYSFS && DMI 103948af1f0bbc8526448e8cbe3f8d3bf211bdf5181Mike Waychison default n 104948af1f0bbc8526448e8cbe3f8d3bf211bdf5181Mike Waychison help 105948af1f0bbc8526448e8cbe3f8d3bf211bdf5181Mike Waychison Say Y or M here to enable the exporting of the raw DMI table 106948af1f0bbc8526448e8cbe3f8d3bf211bdf5181Mike Waychison data via sysfs. This is useful for consuming the data without 107948af1f0bbc8526448e8cbe3f8d3bf211bdf5181Mike Waychison requiring any access to /dev/mem at all. Tables are found 108948af1f0bbc8526448e8cbe3f8d3bf211bdf5181Mike Waychison under /sys/firmware/dmi when this option is enabled and 109948af1f0bbc8526448e8cbe3f8d3bf211bdf5181Mike Waychison loaded. 110948af1f0bbc8526448e8cbe3f8d3bf211bdf5181Mike Waychison 111cf0744021c5d5de54d2c66e2020c6de2fe800264Ard Biesheuvelconfig DMI_SCAN_MACHINE_NON_EFI_FALLBACK 112cf0744021c5d5de54d2c66e2020c6de2fe800264Ard Biesheuvel bool 113cf0744021c5d5de54d2c66e2020c6de2fe800264Ard Biesheuvel 114138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutekconfig ISCSI_IBFT_FIND 115138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek bool "iSCSI Boot Firmware Table Attributes" 1169d24622ced329e35e2349ef419355a87d94be61fLv Zheng depends on X86 && ACPI 117138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek default n 118138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek help 119138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek This option enables the kernel to find the region of memory 120138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek in which the ISCSI Boot Firmware Table (iBFT) resides. This 121138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek is necessary for iSCSI Boot Firmware Table Attributes module to work 122138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek properly. 123138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek 124138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutekconfig ISCSI_IBFT 125138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek tristate "iSCSI Boot Firmware Table Attributes module" 126b33a84a384776fb2593dac4d77c72050f9e181b0Mike Christie select ISCSI_BOOT_SYSFS 1273e0f686e6bf347eea4a41d7d415f003c2f42b1a0Randy Dunlap depends on ISCSI_IBFT_FIND && SCSI && SCSI_LOWLEVEL 128138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek default n 129138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek help 130138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek This option enables support for detection and exposing of iSCSI 131138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek Boot Firmware Table (iBFT) via sysfs to userspace. If you wish to 132138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek detect iSCSI boot parameters dynamically during system boot, say Y. 133138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek Otherwise, say N. 134138fe4e069798d9aa948a5402ff15e58f483ee4eKonrad Rzeszutek 13574c5b31c6618f01079212332b2e5f6c42f2d6307Mike Waychisonsource "drivers/firmware/google/Kconfig" 136048517722cde2595a7366d0c3c72b8b1ec142a9cMatt Flemingsource "drivers/firmware/efi/Kconfig" 13774c5b31c6618f01079212332b2e5f6c42f2d6307Mike Waychison 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsendmenu 139