## SPDX-License-Identifier: GPL-2.0-only menu "Console" config NO_BOOTBLOCK_CONSOLE bool depends on SEPARATE_ROMSTAGE config BOOTBLOCK_CONSOLE bool "Enable early (bootblock) console output." depends on !NO_BOOTBLOCK_CONSOLE default y help Use console during the bootblock if supported config POSTCAR_CONSOLE bool "Enable console output during postcar." depends on POSTCAR_STAGE default y help Use console during the postcar if supported config SQUELCH_EARLY_SMP bool "Squelch AP CPUs from early console." default y depends on SMP 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 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. config FIXED_UART_FOR_CONSOLE bool help Select to remove the prompt from UART_FOR_CONSOLE in case a specific UART has to be used (e.g. when the platform code performs dangerous configurations). if CONSOLE_SERIAL || CONSOLE_CBMEM_DUMP_TO_UART 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 OVERRIDE_UART_FOR_CONSOLE bool help Set to "y" when the platform overrides the index of uart port by providing a get_uart_for_console routine. if !OVERRIDE_UART_FOR_CONSOLE config UART_FOR_CONSOLE int prompt "Index for UART port to use for console" if !FIXED_UART_FOR_CONSOLE default 0 help Select an I/O port to use for serial console: 0 = 0x3f8, 1 = 0x2f8, 2 = 0x3e8, 3 = 0x2e8 # 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. comment "Serial port base address = 0x3f8" depends on DRIVERS_UART_8250IO && UART_FOR_CONSOLE = 0 comment "Serial port base address = 0x2f8" depends on DRIVERS_UART_8250IO && UART_FOR_CONSOLE = 1 comment "Serial port base address = 0x3e8" depends on DRIVERS_UART_8250IO && UART_FOR_CONSOLE = 2 comment "Serial port base address = 0x2e8" depends on DRIVERS_UART_8250IO && UART_FOR_CONSOLE = 3 endif config UART_OVERRIDE_BAUDRATE bool help Set to "y" when the platform overrides the baudrate by providing a get_uart_baudrate routine. if !UART_OVERRIDE_BAUDRATE choice prompt "Baud rate" default CONSOLE_SERIAL_115200 config CONSOLE_SERIAL_921600 bool "921600" help Set serial port Baud rate to 921600. config CONSOLE_SERIAL_460800 bool "460800" help Set serial port Baud rate to 460800. config CONSOLE_SERIAL_230400 bool "230400" help Set serial port Baud rate to 230400. 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 921600 if CONSOLE_SERIAL_921600 default 460800 if CONSOLE_SERIAL_460800 default 230400 if CONSOLE_SERIAL_230400 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. endif # 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 depends on ARCH_X86 help Send coreboot debug output through speaker config CONSOLE_USB bool "USB dongle console output" depends on USBDEBUG default y help Send coreboot debug output to USB. Configuration for USB hardware is under menu Generic Drivers. # TODO: Deps? # TODO: Improve description. config CONSOLE_NE2K bool "Network console over NE2000 compatible Ethernet adapter" default n depends on PCI 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 below. 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 y 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_CBMEM_DUMP_TO_UART depends on !CONSOLE_SERIAL bool "Dump CBMEM console on resets" default n help Enable this to have CBMEM console buffer contents dumped on the serial output in case serial console is disabled and the device resets itself while trying to boot the payload. config CONSOLE_CBMEM_PRINT_PRE_BOOTBLOCK_CONTENTS bool help Pre-bootblock stages (i.e., VBOOT_STARTS_BEFORE_BOOTBLOCK) might not have the ability to log to the UART, so their console messages are inaccessible until the boot processes gets into the payload or OS. This feature will dump the pre-bootblock CBMEM console immediately after the bootblock console is initialized. endif config CONSOLE_SPI_FLASH bool "SPI Flash console output" default n depends on BOOT_DEVICE_SPI_FLASH select BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY if !COMMON_CBFS_SPI_WRAPPER help Send coreboot debug output to the SPI Flash in the FMAP CONSOLE area This option can cause premature wear on the SPI flash and should not be used as a normal means of debugging. It is only to be enabled and used when porting a new motherboard which has no other console available (no UART, no POST, no cbmem access(non bootable)). Since a non bootable machine will require the use of an external SPI Flash programmer, the developer can grab the console log at the same time. The flash console will not be erased on reboot, so once it is full, the flashconsole driver will stop writing to it. This is to avoid wear on the flash, and to avoid erasing sectors (which may freeze the SPI controller on skylake). The 'CONSOLE' area can be extracted from the FMAP with : cbfstool rom.bin read -r CONSOLE -f console.log config CONSOLE_SPI_FLASH_BUFFER_SIZE hex "Room allocated for console output in FMAP" default 0x20000 depends on CONSOLE_SPI_FLASH help Space allocated for console output storage in FMAP. The default value (128K or 0x20000 bytes) is large enough to accommodate even the BIOS_SPEW level. config CONSOLE_I2C_SMBUS bool "SMBus console output" depends on SOUTHBRIDGE_INTEL_COMMON_SMBUS help Send coreboot debug output to the SMBus. The output can be read with an I2C slave device connected the SMBus. Please refer to the technotes section of the coreboot documentation for more details. if CONSOLE_I2C_SMBUS comment "Set logging device address and data register address" config CONSOLE_I2C_SMBUS_SLAVE_ADDRESS hex "I2C slave address of the logging device" default 0x48 if SC16IS7XX_INIT help I2C address of the device which logs the data. config CONSOLE_I2C_SMBUS_SLAVE_DATA_REGISTER hex "Data register address of the I2C logging device" default 0x00 if SC16IS7XX_INIT help This an 8-bit data register. config SC16IS7XX_INIT bool "Initialize SC16IS7XX I2C to UART converter chip" help SC16IS7XX is a slave I2C to UART converter chip. Enabling this option will initialize the chip. The default I2C slave address value 0x48 is the address of SC16IS7XX I2C to UART converter chip when the A1 and A0 pins are set to Vcc. The default data register address value 0x00 is the data register address of SC16IS7XX I2C to UART converter chip. endif # CONSOLE_I2C_SMBUS config CONSOLE_QEMU_DEBUGCON bool "QEMU debug console output" depends on CPU_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 config EM100PRO_SPI_CONSOLE bool "EM100Pro SPI debug console output" depends on HAVE_EM100PRO_SPI_CONSOLE_SUPPORT && !DEBUG_SPI_FLASH help Enable support for the debug console on the Dediprog EM100Pro. This is currently working only in ramstage due to how the spi drivers are written. config CONSOLE_SYSTEM76_EC bool "System76 EC console output" default n depends on EC_SYSTEM76_EC help Send coreboot debug output to a System76 embedded controller. config CONSOLE_AMD_SIMNOW bool "AMD SimNow console output" default n depends on SOC_AMD_COMMON && !POST_IO select CONSOLE_POST help Send coreboot debug output to IO ports for SimNow config CONSOLE_OVERRIDE_LOGLEVEL bool help Set to "y" when the platform overrides the loglevel by providing a get_console_loglevel routine. if !CONSOLE_OVERRIDE_LOGLEVEL choice prompt "Default console log level" default DEFAULT_CONSOLE_LOGLEVEL_8 if CHROMEOS default DEFAULT_CONSOLE_LOGLEVEL_7 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. endif config CONSOLE_USE_LOGLEVEL_PREFIX bool "Use loglevel prefix to indicate line loglevel" default y help When enabled, if the code contains a: `printk(BIOS_DEBUG, "This is a debug message!\n")`, it will show up as: `[DEBUG] This is a debug message!` config CONSOLE_USE_ANSI_ESCAPES bool "Use ANSI escape sequences for console highlighting" default y if !CONSOLE_AMD_SIMNOW help If enabled, certain consoles (e.g. UART) that are meant to be read on a terminal will use ANSI escape sequences (like `ESC [1m`) to highlight lines based on their log level. Disable this if your terminal does not support ANSI escape sequences. 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 0x0 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 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_LPC if DEFAULT_POST_ON_LPC default POST_DEVICE_NONE config POST_DEVICE_NONE bool "None" config POST_DEVICE_LPC bool "LPC" depends on PCI config POST_DEVICE_PCI_PCIE bool "PCI/PCIe" depends on PCI endchoice config DEFAULT_POST_ON_LPC bool default n 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. config NO_EARLY_BOOTBLOCK_POSTCODES def_bool n help Some chipsets require that the routing for the port 80h POST code be configured before any POST codes are sent out. If this is not done, the system can hang on the first POST code. This initialization can be done in the boot block, but there are a couple of POST codes that go out before the chipset's C bootblock initialization can happen. This option suppresses all postcodes in the early assembly code. config HWBASE_DEBUG_CB bool default y if DEFAULT_CONSOLE_LOGLEVEL_7 || DEFAULT_CONSOLE_LOGLEVEL_8 default n config HWBASE_DEBUG_NULL def_bool y depends on !HWBASE_DEBUG_CB endmenu