Merge branch 'master' of git://git.denx.de/u-boot-usb

7 files changed, 78 insertions, 35 deletions

diff --git a/common/usb_storage.c b/common/usb_storage.c
index b524a15..83279c4 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -1440,10 +1440,8 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss,
 		       "   Request Sense returned %02X %02X %02X\n",
 		       pccb->sense_buf[2], pccb->sense_buf[12],
 		       pccb->sense_buf[13]);
-		if (dev_desc->removable == 1) {
+		if (dev_desc->removable == 1)
 			dev_desc->type = perq;
-			return 1;
-		}
 		return 0;
 	}
 	pccb->pdata = (unsigned char *)cap;
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 85cc96a..87b9c87 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -122,6 +122,8 @@ static struct dwc3_event_buffer *dwc3_alloc_one_event_buffer(struct dwc3 *dwc,
 	if (!evt->buf)
 		return ERR_PTR(-ENOMEM);
 
+	dwc3_flush_cache((uintptr_t)evt->buf, evt->length);
+
 	return evt;
 }
 
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 12b133f..e61d980 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -81,8 +81,8 @@ static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma,
 		trb->ctrl |= (DWC3_TRB_CTRL_IOC
 				| DWC3_TRB_CTRL_LST);
 
-	dwc3_flush_cache((long)buf_dma, len);
-	dwc3_flush_cache((long)trb, sizeof(*trb));
+	dwc3_flush_cache((uintptr_t)buf_dma, len);
+	dwc3_flush_cache((uintptr_t)trb, sizeof(*trb));
 
 	if (chain)
 		return 0;
@@ -790,7 +790,7 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
 	if (!r)
 		return;
 
-	dwc3_flush_cache((long)trb, sizeof(*trb));
+	dwc3_flush_cache((uintptr_t)trb, sizeof(*trb));
 
 	status = DWC3_TRB_SIZE_TRBSTS(trb->size);
 	if (status == DWC3_TRBSTS_SETUP_PENDING) {
@@ -821,7 +821,7 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
 			ur->actual += transferred;
 
 			trb++;
-			dwc3_flush_cache((long)trb, sizeof(*trb));
+			dwc3_flush_cache((uintptr_t)trb, sizeof(*trb));
 			length = trb->size & DWC3_TRB_SIZE_MASK;
 
 			ep0->free_slot = 0;
@@ -831,7 +831,7 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
 					maxp);
 		transferred = min_t(u32, ur->length - transferred,
 				    transfer_size - length);
-		dwc3_flush_cache((long)dwc->ep0_bounce, DWC3_EP0_BOUNCE_SIZE);
+		dwc3_flush_cache((uintptr_t)dwc->ep0_bounce, DWC3_EP0_BOUNCE_SIZE);
 		memcpy(buf, dwc->ep0_bounce, transferred);
 	} else {
 		transferred = ur->length - length;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 1156662..e065c5a 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -244,7 +244,7 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
 
 	list_del(&req->list);
 	req->trb = NULL;
-	dwc3_flush_cache((long)req->request.dma, req->request.length);
+	dwc3_flush_cache((uintptr_t)req->request.dma, req->request.length);
 
 	if (req->request.status == -EINPROGRESS)
 		req->request.status = status;
@@ -771,8 +771,8 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep,
 
 	trb->ctrl |= DWC3_TRB_CTRL_HWO;
 
-	dwc3_flush_cache((long)dma, length);
-	dwc3_flush_cache((long)trb, sizeof(*trb));
+	dwc3_flush_cache((uintptr_t)dma, length);
+	dwc3_flush_cache((uintptr_t)trb, sizeof(*trb));
 }
 
 /*
@@ -1769,7 +1769,7 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep,
 	slot %= DWC3_TRB_NUM;
 	trb = &dep->trb_pool[slot];
 
-	dwc3_flush_cache((long)trb, sizeof(*trb));
+	dwc3_flush_cache((uintptr_t)trb, sizeof(*trb));
 	__dwc3_cleanup_done_trbs(dwc, dep, req, trb, event, status);
 	dwc3_gadget_giveback(dep, req, status);
 
@@ -2668,11 +2668,12 @@ void dwc3_gadget_uboot_handle_interrupt(struct dwc3 *dwc)
 		int i;
 		struct dwc3_event_buffer *evt;
 
+		dwc3_thread_interrupt(0, dwc);
+
+		/* Clean + Invalidate the buffers after touching them */
 		for (i = 0; i < dwc->num_event_buffers; i++) {
 			evt = dwc->ev_buffs[i];
-			dwc3_flush_cache((long)evt->buf, evt->length);
+			dwc3_flush_cache((uintptr_t)evt->buf, evt->length);
 		}
-
-		dwc3_thread_interrupt(0, dwc);
 	}
 }
diff --git a/drivers/usb/dwc3/io.h b/drivers/usb/dwc3/io.h
index 0d9fa22..810980f 100644
--- a/drivers/usb/dwc3/io.h
+++ b/drivers/usb/dwc3/io.h
@@ -48,7 +48,7 @@ static inline void dwc3_writel(void __iomem *base, u32 offset, u32 value)
 	writel(value, base + offs);
 }
 
-static inline void dwc3_flush_cache(int addr, int length)
+static inline void dwc3_flush_cache(uintptr_t addr, int length)
 {
 	flush_dcache_range(addr, addr + ROUND(length, CACHELINE_SIZE));
 }
diff --git a/drivers/usb/gadget/g_dnl.c b/drivers/usb/gadget/g_dnl.c
index 4ba7c1d..d4bee9b 100644
--- a/drivers/usb/gadget/g_dnl.c
+++ b/drivers/usb/gadget/g_dnl.c
@@ -36,7 +36,7 @@
 #define STRING_USBDOWN 2
 /* Index of String serial */
 #define STRING_SERIAL  3
-#define MAX_STRING_SERIAL	32
+#define MAX_STRING_SERIAL	256
 /* Number of supported configurations */
 #define CONFIGURATION_NUMBER 1
 
@@ -62,8 +62,8 @@ static struct usb_device_descriptor device_desc = {
 
 	.idVendor = __constant_cpu_to_le16(CONFIG_G_DNL_VENDOR_NUM),
 	.idProduct = __constant_cpu_to_le16(CONFIG_G_DNL_PRODUCT_NUM),
-	.iProduct = STRING_PRODUCT,
-	.iSerialNumber = STRING_SERIAL,
+	/* .iProduct = DYNAMIC */
+	/* .iSerialNumber = DYNAMIC */
 	.bNumConfigurations = 1,
 };
 
@@ -224,12 +224,14 @@ static int g_dnl_bind(struct usb_composite_dev *cdev)
 	g_dnl_string_defs[1].id = id;
 	device_desc.iProduct = id;
 
-	id = usb_string_id(cdev);
-	if (id < 0)
-		return id;
+	if (strlen(g_dnl_serial)) {
+		id = usb_string_id(cdev);
+		if (id < 0)
+			return id;
 
-	g_dnl_string_defs[2].id = id;
-	device_desc.iSerialNumber = id;
+		g_dnl_string_defs[2].id = id;
+		device_desc.iSerialNumber = id;
+	}
 
 	g_dnl_bind_fixup(&device_desc, cdev->driver->name);
 	ret = g_dnl_config_register(cdev);
diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c
index d253b94..0e5df15 100644
--- a/drivers/usb/host/dwc2.c
+++ b/drivers/usb/host/dwc2.c
@@ -15,6 +15,7 @@
 #include <usbroothubdes.h>
 #include <wait_bit.h>
 #include <asm/io.h>
+#include <power/regulator.h>
 
 #include "dwc2.h"
 
@@ -159,6 +160,33 @@ static void dwc_otg_core_reset(struct dwc2_core_regs *regs)
 	mdelay(100);
 }
 
+#if defined(CONFIG_DM_USB) && defined(CONFIG_DM_REGULATOR)
+static int dwc_vbus_supply_init(struct udevice *dev)
+{
+	struct udevice *vbus_supply;
+	int ret;
+
+	ret = device_get_supply_regulator(dev, "vbus-supply", &vbus_supply);
+	if (ret) {
+		debug("%s: No vbus supply\n", dev->name);
+		return 0;
+	}
+
+	ret = regulator_set_enable(vbus_supply, true);
+	if (ret) {
+		error("Error enabling vbus supply\n");
+		return ret;
+	}
+
+	return 0;
+}
+#else
+static int dwc_vbus_supply_init(struct udevice *dev)
+{
+	return 0;
+}
+#endif
+
 /*
  * This function initializes the DWC_otg controller registers for
  * host mode.
@@ -167,10 +195,12 @@ static void dwc_otg_core_reset(struct dwc2_core_regs *regs)
  * request queues. Host channels are reset to ensure that they are ready for
  * performing transfers.
  *
+ * @param dev USB Device (NULL if driver model is not being used)
  * @param regs Programming view of DWC_otg controller
  *
  */
-static void dwc_otg_core_host_init(struct dwc2_core_regs *regs)
+static void dwc_otg_core_host_init(struct udevice *dev,
+				   struct dwc2_core_regs *regs)
 {
 	uint32_t nptxfifosize = 0;
 	uint32_t ptxfifosize = 0;
@@ -248,6 +278,9 @@ static void dwc_otg_core_host_init(struct dwc2_core_regs *regs)
 			writel(hprt0, &regs->hprt0);
 		}
 	}
+
+	if (dev)
+		dwc_vbus_supply_init(dev);
 }
 
 /*
@@ -784,12 +817,19 @@ static int transfer_chunk(struct dwc2_hc_regs *hc_regs, void *aligned_buffer,
 	       (*pid << DWC2_HCTSIZ_PID_OFFSET),
 	       &hc_regs->hctsiz);
 
-	if (!in && xfer_len) {
-		memcpy(aligned_buffer, buffer, xfer_len);
-
-		flush_dcache_range((unsigned long)aligned_buffer,
-				   (unsigned long)aligned_buffer +
-				   roundup(xfer_len, ARCH_DMA_MINALIGN));
+	if (xfer_len) {
+		if (in) {
+			invalidate_dcache_range(
+					(uintptr_t)aligned_buffer,
+					(uintptr_t)aligned_buffer +
+					roundup(xfer_len, ARCH_DMA_MINALIGN));
+		} else {
+			memcpy(aligned_buffer, buffer, xfer_len);
+			flush_dcache_range(
+					(uintptr_t)aligned_buffer,
+					(uintptr_t)aligned_buffer +
+					roundup(xfer_len, ARCH_DMA_MINALIGN));
+		}
 	}
 
 	writel(phys_to_bus((unsigned long)aligned_buffer), &hc_regs->hcdma);
@@ -1048,7 +1088,7 @@ int _submit_int_msg(struct dwc2_priv *priv, struct usb_device *dev,
 	}
 }
 
-static int dwc2_init_common(struct dwc2_priv *priv)
+static int dwc2_init_common(struct udevice *dev, struct dwc2_priv *priv)
 {
 	struct dwc2_core_regs *regs = priv->regs;
 	uint32_t snpsid;
@@ -1070,7 +1110,7 @@ static int dwc2_init_common(struct dwc2_priv *priv)
 #endif
 
 	dwc_otg_core_init(priv);
-	dwc_otg_core_host_init(regs);
+	dwc_otg_core_host_init(dev, regs);
 
 	clrsetbits_le32(&regs->hprt0, DWC2_HPRT0_PRTENA |
 			DWC2_HPRT0_PRTCONNDET | DWC2_HPRT0_PRTENCHNG |
@@ -1143,7 +1183,7 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
 	if (board_usb_init(index, USB_INIT_HOST))
 		return -1;
 
-	return dwc2_init_common(priv);
+	return dwc2_init_common(NULL, priv);
 }
 
 int usb_lowlevel_stop(int index)
@@ -1214,7 +1254,7 @@ static int dwc2_usb_probe(struct udevice *dev)
 
 	bus_priv->desc_before_addr = true;
 
-	return dwc2_init_common(priv);
+	return dwc2_init_common(dev, priv);
 }
 
 static int dwc2_usb_remove(struct udevice *dev)