54ab3115e3
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1882 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
39 lines
829 B
C
39 lines
829 B
C
#ifndef PCI_ROM_H
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#define PCI_ROM_H
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#include <arch/byteorder.h>
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#include <stddef.h>
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#define PCI_ROM_HDR 0xAA55
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#define PCI_DATA_HDR (uint32_t) ( ('R' << 24) | ('I' << 16) | ('C' << 8) | 'P' )
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#define PCI_RAM_IMAGE_START 0xD0000
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#define PCI_VGA_RAM_IMAGE_START 0xC0000
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struct rom_header {
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uint16_t signature;
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uint8_t size;
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uint8_t init[3];
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uint8_t reserved[0x12];
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uint16_t data;
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};
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struct pci_data {
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uint32_t signature;
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uint16_t vendor;
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uint16_t device;
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uint16_t reserved_1;
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uint16_t dlen;
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uint8_t drevision;
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uint8_t class_lo;
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uint16_t class_hi;
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uint16_t ilen;
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uint16_t irevision;
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uint8_t type;
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uint8_t indicator;
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uint16_t reserved_2;
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};
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extern struct rom_header * pci_rom_probe(struct device *dev);
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extern struct rom_header *pci_rom_load(struct device *dev, struct rom_header *rom_header);
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#endif
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