--- a/arch/mips/bcm63xx/sprom.c
+++ b/arch/mips/bcm63xx/sprom.c
@@ -8,6 +8,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/platform_device.h>
@@ -387,7 +388,19 @@ struct fallback_sprom_match {
 	struct ssb_sprom sprom;
 };
 
-static struct fallback_sprom_match fallback_sprom;
+struct fallback_sprom_match fallback_sprom;
+
+int bcm63xx_get_fallback_sprom(uint pci_bus, uint pci_slot, struct ssb_sprom *out)
+{
+	if (pci_bus != fallback_sprom.pci_bus ||
+	    pci_slot != fallback_sprom.pci_dev)
+		pr_warn("fallback_sprom: pci bus/device num mismatch: expected %i/%i, but got %i/%i\n",
+			fallback_sprom.pci_bus, fallback_sprom.pci_dev,
+			pci_bus, pci_slot);
+	memcpy(out, &fallback_sprom.sprom, sizeof(struct ssb_sprom));
+	return 0;
+}
+EXPORT_SYMBOL(bcm63xx_get_fallback_sprom);
 
 #if defined(CONFIG_SSB_PCIHOST)
 int bcm63xx_get_fallback_ssb_sprom(struct ssb_bus *bus, struct ssb_sprom *out)