PCI: dm: Ignore 64-bit memory regions if CONFIG_SYS_PCI_64BIT not set

[platform/kernel/u-boot.git] / drivers / pci / pci-uclass.c

diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index a2e8296..1cd1e40 100644 (file)
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (c) 2014 Google, Inc
  * Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -861,6 +860,13 @@ static int decode_regions(struct pci_controller *hose, ofnode parent_node,
                } else {
                        continue;
                }
+
+               if (!IS_ENABLED(CONFIG_SYS_PCI_64BIT) &&
+                   type == PCI_REGION_MEM && upper_32_bits(pci_addr)) {
+                       debug(" - beyond the 32-bit boundary, ignoring\n");
+                       continue;
+               }
+
                pos = -1;
                for (i = 0; i < hose->region_count; i++) {
                        if (hose->regions[i].flags == type)