diff --git a/common/usb_storage.c b/common/usb_storage.c
index 0ccaeb4a14..4fa6538db5 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -1177,25 +1177,9 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,
 	struct usb_endpoint_descriptor *ep_desc;
 	unsigned int flags = 0;
 
-	int protocol = 0;
-	int subclass = 0;
-
 	/* let's examine the device now */
 	iface = &dev->config.if_desc[ifnum];
 
-#if 0
-	/* this is the place to patch some storage devices */
-	debug("iVendor %X iProduct %X\n", dev->descriptor.idVendor,
-			dev->descriptor.idProduct);
-
-	if ((dev->descriptor.idVendor) == 0x066b &&
-	    (dev->descriptor.idProduct) == 0x0103) {
-		debug("patched for E-USB\n");
-		protocol = US_PR_CB;
-		subclass = US_SC_UFI;	    /* an assumption */
-	}
-#endif
-
 	if (dev->descriptor.bDeviceClass != 0 ||
 			iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE ||
 			iface->desc.bInterfaceSubClass < US_SC_MIN ||
@@ -1215,17 +1199,8 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,
 	ss->ifnum = ifnum;
 	ss->pusb_dev = dev;
 	ss->attention_done = 0;
-
-	/* If the device has subclass and protocol, then use that.  Otherwise,
-	 * take data from the specific interface.
-	 */
-	if (subclass) {
-		ss->subclass = subclass;
-		ss->protocol = protocol;
-	} else {
-		ss->subclass = iface->desc.bInterfaceSubClass;
-		ss->protocol = iface->desc.bInterfaceProtocol;
-	}
+	ss->subclass = iface->desc.bInterfaceSubClass;
+	ss->protocol = iface->desc.bInterfaceProtocol;
 
 	/* set the handler pointers based on the protocol */
 	debug("Transport: ");
diff --git a/drivers/dfu/dfu_sf.c b/drivers/dfu/dfu_sf.c
index 7646c6b727..9702eeea20 100644
--- a/drivers/dfu/dfu_sf.c
+++ b/drivers/dfu/dfu_sf.c
@@ -115,8 +115,10 @@ static struct spi_flash *parse_dev(char *devstr)
 int dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr, char *s)
 {
 	char *st;
+	char *devstr_bkup = strdup(devstr);
 
-	dfu->data.sf.dev = parse_dev(devstr);
+	dfu->data.sf.dev = parse_dev(devstr_bkup);
+	free(devstr_bkup);
 	if (!dfu->data.sf.dev)
 		return -ENODEV;
 
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index ab3c94e512..0ae3de5c27 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -281,7 +281,7 @@ static int dwc3_setup_scratch_buffers(struct dwc3 *dwc)
 	return 0;
 
 err1:
-	dma_unmap_single((void *)dwc->scratch_addr, dwc->nr_scratch *
+	dma_unmap_single((void *)(uintptr_t)dwc->scratch_addr, dwc->nr_scratch *
 			 DWC3_SCRATCHBUF_SIZE, DMA_BIDIRECTIONAL);
 
 err0:
@@ -296,7 +296,7 @@ static void dwc3_free_scratch_buffers(struct dwc3 *dwc)
 	if (!dwc->nr_scratch)
 		return;
 
-	dma_unmap_single((void *)dwc->scratch_addr, dwc->nr_scratch *
+	dma_unmap_single((void *)(uintptr_t)dwc->scratch_addr, dwc->nr_scratch *
 			 DWC3_SCRATCHBUF_SIZE, DMA_BIDIRECTIONAL);
 	kfree(dwc->scratchbuf);
 }
@@ -629,7 +629,8 @@ int dwc3_uboot_init(struct dwc3_device *dwc3_dev)
 	dwc = PTR_ALIGN(mem, DWC3_ALIGN_MASK + 1);
 	dwc->mem = mem;
 
-	dwc->regs	= (int *)(dwc3_dev->base + DWC3_GLOBALS_REGS_START);
+	dwc->regs = (void *)(uintptr_t)(dwc3_dev->base +
+					DWC3_GLOBALS_REGS_START);
 
 	/* default to highest possible threshold */
 	lpm_nyet_threshold = 0xff;
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index aba614fb4e..12b133f93e 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((int)buf_dma, len);
-	dwc3_flush_cache((int)trb, sizeof(*trb));
+	dwc3_flush_cache((long)buf_dma, len);
+	dwc3_flush_cache((long)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((int)trb, sizeof(*trb));
+	dwc3_flush_cache((long)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((int)trb, sizeof(*trb));
+			dwc3_flush_cache((long)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((int)dwc->ep0_bounce, DWC3_EP0_BOUNCE_SIZE);
+		dwc3_flush_cache((long)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 f3d649a5ee..8ff949d241 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((int)req->request.dma, req->request.length);
+	dwc3_flush_cache((long)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((int)dma, length);
-	dwc3_flush_cache((int)trb, sizeof(*trb));
+	dwc3_flush_cache((long)dma, length);
+	dwc3_flush_cache((long)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((int)trb, sizeof(*trb));
+	dwc3_flush_cache((long)trb, sizeof(*trb));
 	__dwc3_cleanup_done_trbs(dwc, dep, req, trb, event, status);
 	dwc3_gadget_giveback(dep, req, status);
 
@@ -2670,7 +2670,7 @@ void dwc3_gadget_uboot_handle_interrupt(struct dwc3 *dwc)
 
 		for (i = 0; i < dwc->num_event_buffers; i++) {
 			evt = dwc->ev_buffs[i];
-			dwc3_flush_cache((int)evt->buf, evt->length);
+			dwc3_flush_cache((long)evt->buf, evt->length);
 		}
 
 		dwc3_thread_interrupt(0, dwc);
diff --git a/drivers/usb/dwc3/io.h b/drivers/usb/dwc3/io.h
index 5042a24193..0d9fa220e9 100644
--- a/drivers/usb/dwc3/io.h
+++ b/drivers/usb/dwc3/io.h
@@ -23,7 +23,7 @@
 #define	CACHELINE_SIZE		CONFIG_SYS_CACHELINE_SIZE
 static inline u32 dwc3_readl(void __iomem *base, u32 offset)
 {
-	u32 offs = offset - DWC3_GLOBALS_REGS_START;
+	unsigned long offs = offset - DWC3_GLOBALS_REGS_START;
 	u32 value;
 
 	/*
@@ -38,7 +38,7 @@ static inline u32 dwc3_readl(void __iomem *base, u32 offset)
 
 static inline void dwc3_writel(void __iomem *base, u32 offset, u32 value)
 {
-	u32 offs = offset - DWC3_GLOBALS_REGS_START;
+	unsigned long offs = offset - DWC3_GLOBALS_REGS_START;
 
 	/*
 	 * We requested the mem region starting from the Globals address
diff --git a/drivers/usb/gadget/f_thor.c b/drivers/usb/gadget/f_thor.c
index ff1481ba37..9ed0ce3d31 100644
--- a/drivers/usb/gadget/f_thor.c
+++ b/drivers/usb/gadget/f_thor.c
@@ -569,7 +569,7 @@ static void thor_tx_data(unsigned char *data, int len)
 
 	dev->in_req->length = len;
 
-	debug("%s: dev->in_req->length:%d to_cpy:%d\n", __func__,
+	debug("%s: dev->in_req->length:%d to_cpy:%zd\n", __func__,
 	      dev->in_req->length, sizeof(data));
 
 	status = usb_ep_queue(dev->in_ep, dev->in_req, 0);
diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c
index 875e998a82..326757b547 100644
--- a/drivers/usb/gadget/udc/udc-core.c
+++ b/drivers/usb/gadget/udc/udc-core.c
@@ -65,7 +65,7 @@ void usb_gadget_unmap_request(struct usb_gadget *gadget,
 	if (req->length == 0)
 		return;
 
-	dma_unmap_single((void *)req->dma, req->length,
+	dma_unmap_single((void *)(uintptr_t)req->dma, req->length,
 			 is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
 }
 EXPORT_SYMBOL_GPL(usb_gadget_unmap_request);
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 9bde2b252c..ccbfc0265a 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -2205,6 +2205,7 @@ int ohci_register(struct udevice *dev, struct ohci_regs *regs)
 	if (!ohci->hcca)
 		return -ENOMEM;
 	memset(ohci->hcca, 0, sizeof(struct ohci_hcca));
+	flush_dcache_hcca(ohci->hcca);
 
 	if (hc_reset(ohci) < 0)
 		return -EIO;
diff --git a/include/configs/dra7xx_evm.h b/include/configs/dra7xx_evm.h
index 6e32de8546..cb9544b49e 100644
--- a/include/configs/dra7xx_evm.h
+++ b/include/configs/dra7xx_evm.h
@@ -82,11 +82,24 @@
 	"fdt ram 0x80f80000 0x80000;" \
 	"ramdisk ram 0x81000000 0x4000000\0"
 
+#define DFU_ALT_INFO_QSPI \
+	"dfu_alt_info_qspi=" \
+	"MLO raw 0x0 0x010000;" \
+	"MLO.backup1 raw 0x010000 0x010000;" \
+	"MLO.backup2 raw 0x020000 0x010000;" \
+	"MLO.backup3 raw 0x030000 0x010000;" \
+	"u-boot.img raw 0x040000 0x0100000;" \
+	"u-boot-spl-os raw 0x140000 0x080000;" \
+	"u-boot-env raw 0x1C0000 0x010000;" \
+	"u-boot-env.backup raw 0x1D0000 0x010000;" \
+	"kernel raw 0x1E0000 0x800000\0"
+
 #define DFUARGS \
 	"dfu_bufsiz=0x10000\0" \
 	DFU_ALT_INFO_MMC \
 	DFU_ALT_INFO_EMMC \
-	DFU_ALT_INFO_RAM
+	DFU_ALT_INFO_RAM \
+	DFU_ALT_INFO_QSPI
 
 /* Fastboot */
 #define CONFIG_USB_FUNCTION_FASTBOOT
@@ -207,6 +220,7 @@
 
 #define CONFIG_DFU_MMC
 #define CONFIG_DFU_RAM
+#define CONFIG_DFU_SF
 
 /* SATA */
 #define CONFIG_BOARD_LATE_INIT