| /* 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); |
| |
| u32 map_oprom_vendev(u32 vendev); |
| |
| int verified_boot_should_run_oprom(struct rom_header *rom_header); |
| #endif |