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pci: Mask the ROM address in case it is already enabled

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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>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2023-07-15 21:39:03 -06:00 committed by Bin Meng
parent b7d4df5a04
commit fa5690c1f5
1 changed files with 1 additions and 0 deletions
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1
drivers/pci/pci_rom.c
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@ -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,