From b9caab8b47ae6ad6a317a9ed05e90475248739d7 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org>
Date: Thu, 7 Oct 2021 14:50:57 +0200
Subject: [PATCH] pci: Skip configuring PCI Rom Address for unsupported header
types
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PCI Rom Address is currently supported only for Normal (0x00) and
Bridge (0x01) header types. Fix code accordingly.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
---
drivers/pci/pci_auto.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/pci_auto.c b/drivers/pci/pci_auto.c
index 08082460eb..288f7996c7 100644
--- a/drivers/pci/pci_auto.c
+++ b/drivers/pci/pci_auto.c
@@ -131,7 +131,8 @@ static void dm_pciauto_setup_device(struct udevice *dev, int bars_num,
/* Configure the expansion ROM address */
dm_pci_read_config8(dev, PCI_HEADER_TYPE, &header_type);
header_type &= 0x7f;
- if (header_type != PCI_HEADER_TYPE_CARDBUS) {
+ if (header_type == PCI_HEADER_TYPE_NORMAL ||
+ header_type == PCI_HEADER_TYPE_BRIDGE) {
rom_addr = (header_type == PCI_HEADER_TYPE_NORMAL) ?
PCI_ROM_ADDRESS : PCI_ROM_ADDRESS1;
dm_pci_write_config32(dev, rom_addr, 0xfffffffe);
--
2.39.5