--- zzzz-none-000/linux-3.10.107/drivers/bcma/host_pci.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/bcma/host_pci.c	2021-02-04 17:41:59.000000000 +0000
@@ -13,10 +13,12 @@
 
 static void bcma_host_pci_switch_core(struct bcma_device *core)
 {
+	int win2 = core->bus->host_is_pcie2 ?
+		BCMA_PCIE2_BAR0_WIN2 : BCMA_PCI_BAR0_WIN2;
+
 	pci_write_config_dword(core->bus->host_pci, BCMA_PCI_BAR0_WIN,
 			       core->addr);
-	pci_write_config_dword(core->bus->host_pci, BCMA_PCI_BAR0_WIN2,
-			       core->wrap);
+	pci_write_config_dword(core->bus->host_pci, win2, core->wrap);
 	core->bus->mapped_core = core;
 	bcma_debug(core->bus, "Switched to core: 0x%X\n", core->id.id);
 }
@@ -188,8 +190,11 @@
 		pci_write_config_dword(dev, 0x40, val & 0xffff00ff);
 
 	/* SSB needed additional powering up, do we have any AMBA PCI cards? */
-	if (!pci_is_pcie(dev))
-		bcma_err(bus, "PCI card detected, report problems.\n");
+	if (!pci_is_pcie(dev)) {
+		bcma_err(bus, "PCI card detected, they are not supported.\n");
+		err = -ENXIO;
+		goto err_pci_release_regions;
+	}
 
 	/* Map MMIO */
 	err = -ENOMEM;
@@ -205,16 +210,29 @@
 	bus->boardinfo.vendor = bus->host_pci->subsystem_vendor;
 	bus->boardinfo.type = bus->host_pci->subsystem_device;
 
+	/* Initialize struct, detect chip */
+	bcma_init_bus(bus);
+
+	/* Scan bus to find out generation of PCIe core */
+	err = bcma_bus_scan(bus);
+	if (err)
+		goto err_pci_unmap_mmio;
+
+	if (bcma_find_core(bus, BCMA_CORE_PCIE2))
+		bus->host_is_pcie2 = true;
+
 	/* Register */
 	err = bcma_bus_register(bus);
 	if (err)
-		goto err_pci_unmap_mmio;
+		goto err_unregister_cores;
 
 	pci_set_drvdata(dev, bus);
 
 out:
 	return err;
 
+err_unregister_cores:
+	bcma_unregister_cores(bus);
 err_pci_unmap_mmio:
 	pci_iounmap(dev, bus->mmio);
 err_pci_release_regions:
@@ -235,7 +253,6 @@
 	pci_release_regions(dev);
 	pci_disable_device(dev);
 	kfree(bus);
-	pci_set_drvdata(dev, NULL);
 }
 
 #ifdef CONFIG_PM_SLEEP
@@ -267,15 +284,24 @@
 
 #endif /* CONFIG_PM_SLEEP */
 
-static DEFINE_PCI_DEVICE_TABLE(bcma_pci_bridge_tbl) = {
+static const struct pci_device_id bcma_pci_bridge_tbl[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) },
-	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4313) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) },	/* 0xa8d8 */
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4358) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4360) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4365) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43b1) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) },	/* 0xa8db, BCM43217 (sic!) */
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43228) },	/* 0xa8dc */
 	{ 0, },
 };
 MODULE_DEVICE_TABLE(pci, bcma_pci_bridge_tbl);
@@ -297,3 +323,65 @@
 {
 	pci_unregister_driver(&bcma_pci_bridge_driver);
 }
+
+/**************************************************
+ * Runtime ops for drivers.
+ **************************************************/
+
+/* See also pcicore_up */
+void bcma_host_pci_up(struct bcma_bus *bus)
+{
+	if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+		return;
+
+	if (bus->host_is_pcie2)
+		bcma_core_pcie2_up(&bus->drv_pcie2);
+	else
+		bcma_core_pci_up(&bus->drv_pci[0]);
+}
+EXPORT_SYMBOL_GPL(bcma_host_pci_up);
+
+/* See also pcicore_down */
+void bcma_host_pci_down(struct bcma_bus *bus)
+{
+	if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+		return;
+
+	if (!bus->host_is_pcie2)
+		bcma_core_pci_down(&bus->drv_pci[0]);
+}
+EXPORT_SYMBOL_GPL(bcma_host_pci_down);
+
+/* See also si_pci_setup */
+int bcma_host_pci_irq_ctl(struct bcma_bus *bus, struct bcma_device *core,
+			  bool enable)
+{
+	struct pci_dev *pdev;
+	u32 coremask, tmp;
+	int err = 0;
+
+	if (bus->hosttype != BCMA_HOSTTYPE_PCI) {
+		/* This bcma device is not on a PCI host-bus. So the IRQs are
+		 * not routed through the PCI core.
+		 * So we must not enable routing through the PCI core. */
+		goto out;
+	}
+
+	pdev = bus->host_pci;
+
+	err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
+	if (err)
+		goto out;
+
+	coremask = BIT(core->core_index) << 8;
+	if (enable)
+		tmp |= coremask;
+	else
+		tmp &= ~coremask;
+
+	err = pci_write_config_dword(pdev, BCMA_PCI_IRQMASK, tmp);
+
+out:
+	return err;
+}
+EXPORT_SYMBOL_GPL(bcma_host_pci_irq_ctl);