blob: 8b2674cf87940fbcdd79b456695718a1f822b178 [file] [log] [blame]
* From coreboot file of same name
* SPDX-License-Identifier: GPL-2.0+
#ifndef _PCI_ROM_H
#define _PCI_ROM_H
#define PCI_ROM_HDR 0xaa55
#define PCI_VGA_RAM_IMAGE_START 0xc0000
struct pci_rom_header {
uint16_t signature;
uint8_t size;
uint8_t init[3];
uint8_t reserved[0x12];
uint16_t data;
struct pci_rom_data {
uint32_t signature;
uint16_t vendor;
uint16_t device;
uint16_t reserved_1;
uint16_t dlen;
uint8_t drevision;
uint8_t class_lo;
uint16_t class_hi;
uint16_t ilen;
uint16_t irevision;
uint8_t type;
uint8_t indicator;
uint16_t reserved_2;
* pci_run_vga_bios() - Run the VGA BIOS in an x86 PC
* @dev: Video device containing the BIOS
* @int15_handler: Function to call to handle int 0x15
* @emulate: true to use the x86 emulator, false to run native
int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate);
* board_map_oprom_vendev() - map several PCI IDs to the one the ROM expects
* Some VGA option roms are used for several chipsets but they only have one
* PCI ID in their header. If we encounter such an option rom, we need to do
* the mapping ourselves.
* @vendev: Vendor and device for the video device
* @return standard vendor and device expected by the ROM
uint32_t board_map_oprom_vendev(uint32_t vendev);