Create a coreboot configuration file

Now we need to create a configuration file for coreboot.

Either follow a coreboot guide to get a bare-bones-basic configuration, or just copy-paste this text into seabios_defconfig file.

Tip

seabios_defconfig

CONFIG_CBFS_SIZE=0x00400000
CONFIG_CONSOLE_CBMEM_BUFFER_SIZE=0x20000
CONFIG_SUBSYSTEM_VENDOR_ID=0x0000
CONFIG_SUBSYSTEM_DEVICE_ID=0x0000
CONFIG_I2C_TRANSFER_TIMEOUT_US=500000
CONFIG_CONSOLE_QEMU_DEBUGCON_PORT=0x402
CONFIG_POST_IO_PORT=0x80
CONFIG_SEABIOS_DEBUG_LEVEL=-1