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x86: Access the VGA ROM when needed

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Add code to the generic pci_rom file to access the VGA ROM in PCI space
when needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2015-01-14 21:37:04 -07:00
parent 07570e7097
commit 4a2708a097
3 changed files with 42 additions and 2 deletions
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9
include/pci.h
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@ -697,5 +697,14 @@ void pci_write_bar32(struct pci_controller *hose, pci_dev_t dev, int barnum,
* */
u32 pci_read_bar32(struct pci_controller *hose, pci_dev_t dev, int barnum);
/**
* pciauto_setup_rom() - Set up access to a device ROM
*
* @hose: PCI hose to use
* @dev: PCI device to adjust
* @return 0 if done, -ve on error
*/
int pciauto_setup_rom(struct pci_controller *hose, pci_dev_t dev);
#endif /* __ASSEMBLY__ */
#endif /* _PCI_H */