config PAYLOAD_BUILD_SEABIOS bool if PAYLOAD_SEABIOS config PAYLOAD_FILE default "payloads/external/SeaBIOS/seabios/out/bios.bin.elf" endif if PAYLOAD_BUILD_SEABIOS choice prompt "SeaBIOS version" default SEABIOS_STABLE config SEABIOS_STABLE bool "1.16.0" help Stable SeaBIOS version config SEABIOS_MASTER bool "master" help Newest SeaBIOS version config SEABIOS_REVISION bool "git revision" help Select this option if you have a specific commit or branch that you want to use as the revision from which to build SeaBIOS. You will be able to specify the name of a branch or a commit id later. endchoice config SEABIOS_REVISION_ID string "Insert a commit's SHA-1 or a branch name" depends on SEABIOS_REVISION default "origin/master" help The commit's SHA-1 or branch name of the revision to use. config SEABIOS_PS2_TIMEOUT prompt "PS/2 keyboard controller initialization timeout (milliseconds)" default 0 int help Some PS/2 keyboard controllers don't respond to commands immediately after powering on. This specifies how long SeaBIOS will wait for the keyboard controller to become ready before giving up. config SEABIOS_THREAD_OPTIONROMS prompt "Hardware init during option ROM execution" default n bool help Allow hardware init to run in parallel with optionrom execution. This can reduce boot time, but can cause some timing variations during option ROM code execution. It is not known if all option ROMs will behave properly with this option. config SEABIOS_HARDWARE_IRQ prompt "Hardware Interrupts" default y bool help Program and support hardware interrupts using the i8259 programmable interrupt controller (PIC). Deselected by boards which would otherwise hang at the boot menu (eg, google/rambi). config SEABIOS_VGA_COREBOOT prompt "Include generated option rom that implements legacy VGA BIOS compatibility" default y if !VENDOR_EMULATION depends on !VGA_ROM_RUN && (VGA_TEXT_FRAMEBUFFER || LINEAR_FRAMEBUFFER) bool help coreboot can initialize the GPU of some mainboards. After initializing the GPU, the information about it can be passed to the payload. Provide an option rom that implements this legacy VGA BIOS compatibility requirement. config PAYLOAD_CONFIGFILE string "SeaBIOS config file" default "" help This option allows a platform to set Kconfig options for a basic SeaBIOS payload. In general, if the option is used, the default would be "$(top)/src/mainboard/$(MAINBOARDDIR)/config_seabios" config SEABIOS_BOOTORDER_FILE string "SeaBIOS bootorder file" default "" help Add a SeaBIOS bootorder file. From the wiki: "The bootorder file may be used to configure the boot up order. The file should be ASCII text and contain one line per boot method. The description of each boot method follows an Open Firmware device path format. SeaBIOS will attempt to boot from each item in the file - first line of the file first." See: https://www.coreboot.org/SeaBIOS#Configuring_boot_order If used, a typical value would be: $(top)/src/mainboard/$(MAINBOARDDIR)/bootorder config SEABIOS_ADD_SERCON_PORT_FILE prompt "Add SeaBIOS sercon-port file to CBFS" default n bool help Select this option to enable SeaBIOS' VGA adapter emulation on serial port. config SEABIOS_SERCON_PORT_ADDR hex "SeaBIOS sercon-port base address" depends on SEABIOS_ADD_SERCON_PORT_FILE default TTYS0_BASE help Set this field to the IO address of a serial port for SeaBIOS' VGA adapter emulation. By default primary console UART defined by TTYS0_BASE is used. config PAYLOAD_VGABIOS_FILE string depends on SEABIOS_VGA_COREBOOT default "payloads/external/SeaBIOS/seabios/out/vgabios.bin" config SEABIOS_DEBUG_LEVEL int "SeaBIOS debug level (verbosity)" default -1 help The higher the number, the more verbose SeaBIOS will be. See the table below for the current values corresponding to various items as of SeaBIOS version 1.10.1. Set this value to -1 to use SeaBIOS' default. Output at various SeaBIOS log levels: level 0 - Logging disabled level 1 - Basic output, interrupts 5, 18h, 19h, 40h, SMP, PNP, PMM level 2 - AHCI, Floppy, Basic ps2, interrupts 11h, 12h, 14h, 17h level 3 - bootsplash, initializations, SeaBIOS VGA BIOS interrupts level 4 - BIOS tables, more optionrom level 5 - Extra bootsplash, more XHCI level 6 - ATA commands, extra optionrom level 7 - extra ps2 commands, more OHCI & EHCI level 8 - extra malloc info, more AHCI level 9 - interrupts 15h, 16h, 1ah, APM, PCI, SMIs, PCIBIOS, USB-HID commands, SDcard commands, Floppy commands level 10 - interrupt 13h (Drives other than floppy) level 20 - interrupt 10h (Display) comment "Using default SeaBIOS log level" depends on SEABIOS_DEBUG_LEVEL = -1 comment "SeaBIOS logging disabled" depends on SEABIOS_DEBUG_LEVEL = 0 endif