diff mbox series

[v3,28/43] pci: Mask the ROM address in case it is already enabled

Message ID 20230504165823.v3.28.I5d4da5b2cfd954fe701b870764873f8beee29328@changeid
State Superseded
Delegated to: Bin Meng
Headers show
Series x86: Use qemu-x86_64 to boot EFI installers | expand

Commit Message

Simon Glass May 4, 2023, 10:58 p.m. UTC
In some cases the video ROM may have been enabled previously, such as by
a previous firmware stage. Use the correct address in that case.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

(no changes since v1)

 drivers/pci/pci_rom.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c
index 62cfe60c0fb..ba2cf18d53e 100644
--- a/drivers/pci/pci_rom.c
+++ b/drivers/pci/pci_rom.c
@@ -93,6 +93,7 @@  static int pci_rom_probe(struct udevice *dev, struct pci_rom_header **hdrp)
 		debug("%s: rom_address=%x\n", __func__, rom_address);
 		return -ENOENT;
 	}
+	rom_address &= PCI_ROM_ADDRESS_MASK;
 
 	/* Enable expansion ROM address decoding. */
 	dm_pci_write_config32(dev, PCI_ROM_ADDRESS,