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-rw-r--r--src/soc/amd/cezanne/root_complex.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/soc/amd/cezanne/root_complex.c b/src/soc/amd/cezanne/root_complex.c
index 6bef915085..a4134ef699 100644
--- a/src/soc/amd/cezanne/root_complex.c
+++ b/src/soc/amd/cezanne/root_complex.c
@@ -115,6 +115,8 @@ static void read_resources(struct device *dev)
/* The root complex has no PCI BARs implemented, so there's no need to call
pci_dev_read_resources for it */
+ fixed_io_range_reserved(dev, idx++, PCI_IO_CONFIG_INDEX, PCI_IO_CONFIG_PORT_COUNT);
+
/* 0x0 - 0x9ffff */
ram_resource_kb(dev, idx++, 0, 0xa0000 / KiB);