/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef PCI_ROM_H #define PCI_ROM_H #include <endian.h> #include <acpi/acpi.h> #include <cbfs.h> #include <stdint.h> #define PCI_ROM_HDR 0xAA55 #define PCI_DATA_HDR ((uint32_t)(('R' << 24) | ('I' << 16) | ('C' << 8) | 'P')) #define PCI_RAM_IMAGE_START 0xD0000 #define PCI_VGA_RAM_IMAGE_START 0xC0000 struct rom_header { uint16_t signature; uint8_t size; uint8_t init[3]; uint8_t reserved[0x12]; uint16_t data; }; struct pci_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; }; void vga_oprom_preload(void); struct rom_header *pci_rom_probe(const struct device *dev); struct rom_header *pci_rom_load(struct device *dev, struct rom_header *rom_header); static inline void pci_rom_free(struct rom_header *rom_header) { cbfs_unmap(rom_header); } unsigned long pci_rom_write_acpi_tables(const struct device *device, unsigned long current, struct acpi_rsdp *rsdp); void pci_rom_ssdt(const struct device *device); void map_oprom_vendev_rev(u32 *vendev, u8 *rev); u32 map_oprom_vendev(u32 vendev); int verified_boot_should_run_oprom(struct rom_header *rom_header); #endif