Merge https://gitlab.denx.de/u-boot/custodians/u-boot-usb

- MediaTek updates
- xhci fixes
- dwc2 stm32 compatible update

arch/arm/dts/stm32mp15-u-boot.dtsi

@@ -228,6 +228,3 @@
 	resets = <&rcc UART8_R>;
 };
 
-&usbotg_hs {
-	compatible = "st,stm32mp1-hsotg", "snps,dwc2";
-};

doc/device-tree-bindings/usb/mediatek,mtk-xhci.txt

@@ -25,6 +25,10 @@ Required properties:
 
 Optional properties:
  - vbus-supply : reference to the VBUS regulator;
+ - mediatek,u3p-dis-msk : mask to disable u3ports, bit0 for u3port0,
+	bit1 for u3port1, ... etc;
+ - mediatek,u2p-dis-msk : mask to disable u2ports, bit0 for u2port0,
+	bit1 for u2port1, ... etc;
 
 Example:
 xhci: usb@1a0c0000 {

drivers/usb/gadget/dwc2_udc_otg.c

@@ -1176,7 +1176,7 @@ static int dwc2_udc_otg_remove(struct udevice *dev)
 static const struct udevice_id dwc2_udc_otg_ids[] = {
 	{ .compatible = "snps,dwc2" },
 	{ .compatible = "brcm,bcm2835-usb" },
-	{ .compatible = "st,stm32mp1-hsotg",
+	{ .compatible = "st,stm32mp15-hsotg",
 	  .data = (ulong)dwc2_set_stm32mp1_hsotg_params },
 	{},
 };

drivers/usb/host/xhci-mtk.c

@@ -61,10 +61,13 @@ struct mtk_xhci {
 	struct phy_bulk phys;
 	int num_u2ports;
 	int num_u3ports;
+	u32 u3p_dis_msk;
+	u32 u2p_dis_msk;
 };
 
 static int xhci_mtk_host_enable(struct mtk_xhci *mtk)
 {
+	int u3_ports_disabed = 0;
 	u32 value;
 	u32 check_val;
 	int ret;
@@ -73,15 +76,23 @@ static int xhci_mtk_host_enable(struct mtk_xhci *mtk)
 	/* power on host ip */
 	clrbits_le32(mtk->ippc + IPPC_IP_PW_CTRL1, CTRL1_IP_HOST_PDN);
 
-	/* power on and enable all u3 ports */
+	/* power on and enable u3 ports except skipped ones */
 	for (i = 0; i < mtk->num_u3ports; i++) {
+		if (BIT(i) & mtk->u3p_dis_msk) {
+			u3_ports_disabed++;
+			continue;
+		}
+
 		clrsetbits_le32(mtk->ippc + IPPC_U3_CTRL(i),
 				CTRL_U3_PORT_PDN | CTRL_U3_PORT_DIS,
 				CTRL_U3_PORT_HOST_SEL);
 	}
 
-	/* power on and enable all u2 ports */
+	/* power on and enable u2 ports except skipped ones */
 	for (i = 0; i < mtk->num_u2ports; i++) {
+		if (BIT(i) & mtk->u2p_dis_msk)
+			continue;
+
 		clrsetbits_le32(mtk->ippc + IPPC_U2_CTRL(i),
 				CTRL_U2_PORT_PDN | CTRL_U2_PORT_DIS,
 				CTRL_U2_PORT_HOST_SEL);
@@ -94,7 +105,7 @@ static int xhci_mtk_host_enable(struct mtk_xhci *mtk)
 	check_val = STS1_SYSPLL_STABLE | STS1_REF_RST |
 			STS1_SYS125_RST | STS1_XHCI_RST;
 
-	if (mtk->num_u3ports)
+	if (mtk->num_u3ports > u3_ports_disabed)
 		check_val |= STS1_U3_MAC_RST;
 
 	ret = readl_poll_timeout(mtk->ippc + IPPC_IP_PW_STS1, value,
@@ -176,6 +187,12 @@ static int xhci_mtk_ofdata_get(struct mtk_xhci *mtk)
 	if (ret)
 		debug("can't get vbus regulator %d!\n", ret);
 
+	/* optional properties to disable ports, ignore the error */
+	dev_read_u32(dev, "mediatek,u3p-dis-msk", &mtk->u3p_dis_msk);
+	dev_read_u32(dev, "mediatek,u2p-dis-msk", &mtk->u2p_dis_msk);
+	dev_info(dev, "ports disabled mask: u3p-0x%x, u2p-0x%x\n",
+		 mtk->u3p_dis_msk, mtk->u2p_dis_msk);
+
 	return 0;
 }
 

drivers/usb/host/xhci-pci.c

@@ -13,8 +13,8 @@
 #include <usb.h>
 #include <usb/xhci.h>
 
-static void xhci_pci_init(struct udevice *dev, struct xhci_hccr **ret_hccr,
-			  struct xhci_hcor **ret_hcor)
+static int xhci_pci_init(struct udevice *dev, struct xhci_hccr **ret_hccr,
+			 struct xhci_hcor **ret_hcor)
 {
 	struct xhci_hccr *hccr;
 	struct xhci_hcor *hcor;
@@ -22,6 +22,11 @@ static void xhci_pci_init(struct udevice *dev, struct xhci_hccr **ret_hccr,
 
 	hccr = (struct xhci_hccr *)dm_pci_map_bar(dev,
 			PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
+	if (!hccr) {
+		printf("xhci-pci init cannot map PCI mem bar\n");
+		return -EIO;
+	}
+
 	hcor = (struct xhci_hcor *)((uintptr_t) hccr +
 			HC_LENGTH(xhci_readl(&hccr->cr_capbase)));
 
@@ -35,14 +40,18 @@ static void xhci_pci_init(struct udevice *dev, struct xhci_hccr **ret_hccr,
 	dm_pci_read_config32(dev, PCI_COMMAND, &cmd);
 	cmd |= PCI_COMMAND_MASTER;
 	dm_pci_write_config32(dev, PCI_COMMAND, cmd);
+	return 0;
 }
 
 static int xhci_pci_probe(struct udevice *dev)
 {
 	struct xhci_hccr *hccr;
 	struct xhci_hcor *hcor;
+	int ret;
 
-	xhci_pci_init(dev, &hccr, &hcor);
+	ret = xhci_pci_init(dev, &hccr, &hcor);
+	if (ret)
+		return ret;
 
 	return xhci_register(dev, hccr, hcor);
 }

drivers/usb/host/xhci-ring.c

@@ -723,8 +723,8 @@ again:
 		return -ETIMEDOUT;
 	}
 
-	if ((uintptr_t)(le64_to_cpu(event->trans_event.buffer))
-			!= (uintptr_t)last_transfer_trb_addr) {
+	if ((uintptr_t)(le64_to_cpu(event->trans_event.buffer)) !=
+	    (uintptr_t)virt_to_phys(last_transfer_trb_addr)) {
 		available_length -=
 			(int)EVENT_TRB_LEN(le32_to_cpu(event->trans_event.transfer_len));
 		xhci_acknowledge_event(ctrl);