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-rw-r--r--drivers/pci/ecam.c12
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