blob: 25bca4003acae9d6e28b973d458af29ca54c39b0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
#ifndef PCI_ROM_H
#define PCI_ROM_H
#include <endian.h>
#include <acpi/acpi.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);
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
|