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

Simon Glass sjg at chromium.org
Fri May 5 00:58:14 CEST 2023

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 at chromium.org>

(no changes since v1)

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

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,

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