diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/Kconfig | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 277c3babf3..ddcee1bbe0 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -558,6 +558,40 @@ config VGA_BIOS_ADDR address of 0xfff90000 indicates that the image will be put at offset 0x90000 from the beginning of a 1MB flash device. +config HAVE_VBT + bool "Add a Video BIOS Table (VBT) image" + depends on HAVE_FSP + help + Select this option if you have a Video BIOS Table (VBT) image that + you would like to add to your ROM. This is normally required if you + are using an Intel FSP firmware that is complaint with spec 1.1 or + later to initialize the integrated graphics device (IGD). + + Video BIOS Table, or VBT, provides platform and board specific + configuration information to the driver that is not discoverable + or available through other means. By other means the most used + method here is to read EDID table from the attached monitor, over + Display Data Channel (DDC) using two pin I2C serial interface. VBT + configuration is related to display hardware and is available via + the ACPI OpRegion or, on older systems, in the PCI ROM (Option ROM). + +config VBT_FILE + string "Video BIOS Table (VBT) image filename" + depends on HAVE_VBT + default "vbt.bin" + help + The filename of the file to use as Video BIOS Table (VBT) image + in the board directory. + +config VBT_ADDR + hex "Video BIOS Table (VBT) image location" + depends on HAVE_VBT + default 0xfff90000 + help + The location of Video BIOS Table (VBT) image in the SPI flash. For + example, base address of 0xfff90000 indicates that the image will + be put at offset 0x90000 from the beginning of a 1MB flash device. + config ROM_TABLE_ADDR hex default 0xf0000 |