1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/pci/ecam.c b/drivers/pci/ecam.c
index 43ed08dd8b01..2fee61bb6559 100644
--- a/drivers/pci/ecam.c
+++ b/drivers/pci/ecam.c
@@ -162,3 +162,15 @@ struct pci_ecam_ops pci_generic_ecam_ops = {
                 .write          = pci_generic_config_write,
         }
 };
+
+#if defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS)
+/* ECAM ops for 32-bit access only (non-compliant) */
+struct pci_ecam_ops pci_32b_ops = {
+        .bus_shift      = 20,
+        .pci_ops        = {
+                .map_bus        = pci_ecam_map_bus,
+                .read           = pci_generic_config_read32,
+                .write          = pci_generic_config_write32,
+        }
+};
+#endif