menu "Console" config BOOTBLOCK_CONSOLE bool "Enable early (bootblock) console output." depends on ARCH_ARM || ARCH_RISCV default n help Use console during the bootblock if supported config SQUELCH_EARLY_SMP bool "Squelch AP CPUs from early console." default y help When selected only the BSP CPU will output to early console. Console drivers have unpredictable behaviour if multiple threads attempt to share the same resources without a spinlock. If unsure, say Y. config CONSOLE_SERIAL bool "Serial port console output" default y depends on DRIVERS_UART_8250IO || DRIVERS_UART_8250MEM || HAVE_UART_SPECIAL help Send coreboot debug output to a serial port. The type of serial port driver selected based on your configuration is shown on the following menu line. Supporting multiple different types of UARTs in one build is not supported. if CONSOLE_SERIAL comment "I/O mapped, 8250-compatible" depends on DRIVERS_UART_8250IO comment "memory mapped, 8250-compatible" depends on DRIVERS_UART_8250MEM comment "device-specific UART" depends on HAVE_UART_SPECIAL config UART_FOR_CONSOLE int "Index for UART port to use for console" default 0 # FIXME: Early programming in romstage is incorrect as we should # program different LDN to actually change the physical port. config TTYS0_BASE hex depends on DRIVERS_UART default 0x3f8 if UART_FOR_CONSOLE = 0 default 0x2f8 if UART_FOR_CONSOLE = 1 default 0x3e8 if UART_FOR_CONSOLE = 2 default 0x2e8 if UART_FOR_CONSOLE = 3 help Map the COM port number to the respective I/O port. choice prompt "Baud rate" default CONSOLE_SERIAL_115200 config CONSOLE_SERIAL_115200 bool "115200" help Set serial port Baud rate to 115200. config CONSOLE_SERIAL_57600 bool "57600" help Set serial port Baud rate to 57600. config CONSOLE_SERIAL_38400 bool "38400" help Set serial port Baud rate to 38400. config CONSOLE_SERIAL_19200 bool "19200" help Set serial port Baud rate to 19200. config CONSOLE_SERIAL_9600 bool "9600" help Set serial port Baud rate to 9600. endchoice #FIXME(dhendrix): Change name to SERIAL_BAUD? (Stefan sayz: yes!!) config TTYS0_BAUD int default 115200 if CONSOLE_SERIAL_115200 default 57600 if CONSOLE_SERIAL_57600 default 38400 if CONSOLE_SERIAL_38400 default 19200 if CONSOLE_SERIAL_19200 default 9600 if CONSOLE_SERIAL_9600 help Map the Baud rates to an integer. # TODO: Allow user-friendly selection of settings other than 8n1. config TTYS0_LCS int default 3 depends on DRIVERS_UART_8250IO || DRIVERS_UART_8250MEM endif # CONSOLE_SERIAL config SPKMODEM bool "spkmodem (console on speaker) console output" default n help Send coreboot debug output through speaker config CONSOLE_USB bool "USB dongle console output" depends on USBDEBUG default n help Send coreboot debug output to USB. Configuration for USB hardware is under menu Generic Drivers. # TODO: Deps? # TODO: Improve description. config ONBOARD_VGA_IS_PRIMARY bool "Use onboard VGA as primary video device" default n help If not selected, the last adapter found will be used. config CONSOLE_NE2K bool "Network console over NE2000 compatible Ethernet adapter" default n help Send coreboot debug output to a Ethernet console, it works same way as Linux netconsole, packets are received to UDP port 6666 on IP/MAC specified with options bellow. Use following netcat command: nc -u -l -p 6666 config CONSOLE_NE2K_DST_MAC depends on CONSOLE_NE2K string "Destination MAC address of remote system" default "00:13:d4:76:a2:ac" help Type in either MAC address of logging system or MAC address of the router. config CONSOLE_NE2K_DST_IP depends on CONSOLE_NE2K string "Destination IP of logging system" default "10.0.1.27" help This is IP address of the system running for example netcat command to dump the packets. config CONSOLE_NE2K_SRC_IP depends on CONSOLE_NE2K string "IP address of coreboot system" default "10.0.1.253" help This is the IP of the coreboot system config CONSOLE_NE2K_IO_PORT depends on CONSOLE_NE2K hex "NE2000 adapter fixed IO port address" default 0xe00 help This is the IO port address for the IO port on the card, please select some non-conflicting region, 32 bytes of IO spaces will be used (and align on 32 bytes boundary, qemu needs broader align) config CONSOLE_CBMEM bool "Send console output to a CBMEM buffer" default n help Enable this to save the console output in a CBMEM buffer. This would allow to see coreboot console output from Linux space. if CONSOLE_CBMEM config CONSOLE_CBMEM_BUFFER_SIZE hex "Room allocated for console output in CBMEM" default 0x20000 help Space allocated for console output storage in CBMEM. The default value (128K or 0x20000 bytes) is large enough to accommodate even the BIOS_SPEW level. config CONSOLE_PRERAM_BUFFER_BASE hex default 0xabadbeef if !CACHE_AS_RAM || LATE_CBMEM_INIT default 0x0 config CONSOLE_PRERAM_BUFFER_SIZE hex default 0x0 if CONSOLE_PRERAM_BUFFER_BASE = 0xabadbeef default 0xc00 help Console is used before RAM is initialized. This is the room reserved in the DCACHE based RAM, SRAM, etc. to keep console output before it can be saved in a CBMEM buffer. 3K bytes should be enough even for the BIOS_SPEW level. endif config CONSOLE_QEMU_DEBUGCON bool "QEMU debug console output" depends on BOARD_EMULATION_QEMU_X86 default y help Send coreboot debug output to QEMU's isa-debugcon device: qemu-system-x86_64 \ -chardev file,id=debugcon,path=/dir/file.log \ -device isa-debugcon,iobase=0x402,chardev=debugcon config CONSOLE_QEMU_DEBUGCON_PORT hex "QEMU debug console port" depends on CONSOLE_QEMU_DEBUGCON default 0x402 choice prompt "Default console log level" default DEFAULT_CONSOLE_LOGLEVEL_8 config DEFAULT_CONSOLE_LOGLEVEL_8 bool "8: SPEW" help Way too many details. config DEFAULT_CONSOLE_LOGLEVEL_7 bool "7: DEBUG" help Debug-level messages. config DEFAULT_CONSOLE_LOGLEVEL_6 bool "6: INFO" help Informational messages. config DEFAULT_CONSOLE_LOGLEVEL_5 bool "5: NOTICE" help Normal but significant conditions. config DEFAULT_CONSOLE_LOGLEVEL_4 bool "4: WARNING" help Warning conditions. config DEFAULT_CONSOLE_LOGLEVEL_3 bool "3: ERR" help Error conditions. config DEFAULT_CONSOLE_LOGLEVEL_2 bool "2: CRIT" help Critical conditions. config DEFAULT_CONSOLE_LOGLEVEL_1 bool "1: ALERT" help Action must be taken immediately. config DEFAULT_CONSOLE_LOGLEVEL_0 bool "0: EMERG" help System is unusable. endchoice config DEFAULT_CONSOLE_LOGLEVEL int default 0 if DEFAULT_CONSOLE_LOGLEVEL_0 default 1 if DEFAULT_CONSOLE_LOGLEVEL_1 default 2 if DEFAULT_CONSOLE_LOGLEVEL_2 default 3 if DEFAULT_CONSOLE_LOGLEVEL_3 default 4 if DEFAULT_CONSOLE_LOGLEVEL_4 default 5 if DEFAULT_CONSOLE_LOGLEVEL_5 default 6 if DEFAULT_CONSOLE_LOGLEVEL_6 default 7 if DEFAULT_CONSOLE_LOGLEVEL_7 default 8 if DEFAULT_CONSOLE_LOGLEVEL_8 help Map the log level config names to an integer. config NO_POST bool "Don't show any POST codes" default n config CMOS_POST bool "Store post codes in CMOS for debugging" depends on !NO_POST && PC80_SYSTEM default n help If enabled, coreboot will store post codes in CMOS and switch between two offsets on each boot so the last post code in the previous boot can be retrieved. This uses 3 bytes of CMOS. config CMOS_POST_OFFSET hex "Offset into CMOS to store POST codes" depends on CMOS_POST default 0 help If CMOS_POST is enabled then an offset into CMOS must be provided. If CONFIG_HAVE_OPTION_TABLE is enabled then it will use the value defined in the mainboard option table. config CMOS_POST_EXTRA bool "Store extra logging info into CMOS" depends on CMOS_POST default n help This will enable extra logging of work that happens between post codes into CMOS for debug. This uses an additional 8 bytes of CMOS. config CONSOLE_POST bool "Show POST codes on the debug console" depends on !NO_POST default n help If enabled, coreboot will additionally print POST codes (which are usually displayed using a so-called "POST card" ISA/PCI/PCI-E device) on the debug console. config POST_DEVICE bool "Send POST codes to an external device" depends on !NO_POST default y choice prompt "Device to send POST codes to" depends on POST_DEVICE default POST_DEVICE_NONE config POST_DEVICE_NONE bool "None" config POST_DEVICE_LPC bool "LPC" config POST_DEVICE_PCI_PCIE bool "PCI/PCIe" endchoice config POST_IO bool "Send POST codes to an IO port" depends on PC80_SYSTEM && !NO_POST default y help If enabled, POST codes will be written to an IO port. config POST_IO_PORT depends on POST_IO hex "IO port for POST codes" default 0x80 help POST codes on x86 are typically written to the LPC bus on port 0x80. However, it may be desirable to change the port number depending on the presence of coprocessors/microcontrollers or if the platform does not support IO in the conventional x86 manner. endmenu