X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fusb%2Fhost%2Fehci-hcd.c;h=fdad739724eacb545817ebaf8128bdba96a82c91;hb=31043e20ae748635f142483e8b7b645948687055;hp=e0f3e4b6c788bf3e3d78dcf929c652f5e971845c;hpb=e6c7f86f03b0ad25e9ef70df3ee1989b6b789d7c;p=oweals%2Fu-boot.git

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index e0f3e4b6c7..fdad739724 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -36,16 +36,7 @@
 #define CONFIG_USB_MAX_CONTROLLER_COUNT 1
 #endif
 
-static struct ehci_ctrl {
-	struct ehci_hccr *hccr;	/* R/O registers, not need for volatile */
-	struct ehci_hcor *hcor;
-	int rootdev;
-	uint16_t portreset;
-	struct QH qh_list __aligned(USB_DMA_MINALIGN);
-	struct QH periodic_queue __aligned(USB_DMA_MINALIGN);
-	uint32_t *periodic_list;
-	int ntds;
-} ehcic[CONFIG_USB_MAX_CONTROLLER_COUNT];
+static struct ehci_ctrl ehcic[CONFIG_USB_MAX_CONTROLLER_COUNT];
 
 #define ALIGN_END_ADDR(type, ptr, size)			\
 	((uint32_t)(ptr) + roundup((size) * sizeof(type), USB_DMA_MINALIGN))
@@ -589,10 +580,12 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
 		dev->act_len = length - QT_TOKEN_GET_TOTALBYTES(token);
 	} else {
 		dev->act_len = 0;
+#ifndef CONFIG_USB_EHCI_FARADAY
 		debug("dev=%u, usbsts=%#x, p[1]=%#x, p[2]=%#x\n",
 		      dev->devnum, ehci_readl(&ctrl->hcor->or_usbsts),
 		      ehci_readl(&ctrl->hcor->or_portsc[0]),
 		      ehci_readl(&ctrl->hcor->or_portsc[1]));
+#endif
 	}
 
 	free(qtd);
@@ -603,6 +596,17 @@ fail:
 	return -1;
 }
 
+__weak uint32_t *ehci_get_portsc_register(struct ehci_hcor *hcor, int port)
+{
+	if (port < 0 || port >= CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) {
+		/* Printing the message would cause a scan failure! */
+		debug("The request port(%u) is not configured\n", port);
+		return NULL;
+	}
+
+	return (uint32_t *)&hcor->or_portsc[port];
+}
+
 int
 ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
 		 int length, struct devrequest *req)
@@ -616,11 +620,6 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
 	int port = le16_to_cpu(req->index) & 0xff;
 	struct ehci_ctrl *ctrl = dev->controller;
 
-	if (port > CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) {
-		printf("The request port(%d) is not configured\n", port - 1);
-		return -1;
-	}
-	status_reg = (uint32_t *)&ctrl->hcor->or_portsc[port - 1];
 	srclen = 0;
 
 	debug("req=%u (%#x), type=%u (%#x), value=%u, index=%u\n",
@@ -630,6 +629,19 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
 
 	typeReq = req->request | req->requesttype << 8;
 
+	switch (typeReq) {
+	case USB_REQ_GET_STATUS | ((USB_RT_PORT | USB_DIR_IN) << 8):
+	case USB_REQ_SET_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
+	case USB_REQ_CLEAR_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
+		status_reg = ehci_get_portsc_register(ctrl->hcor, port - 1);
+		if (!status_reg)
+			return -1;
+		break;
+	default:
+		status_reg = NULL;
+		break;
+	}
+
 	switch (typeReq) {
 	case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
 		switch (le16_to_cpu(req->value) >> 8) {
@@ -809,21 +821,23 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
 		break;
 	case USB_REQ_CLEAR_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
 		reg = ehci_readl(status_reg);
+		reg &= ~EHCI_PS_CLEAR;
 		switch (le16_to_cpu(req->value)) {
 		case USB_PORT_FEAT_ENABLE:
 			reg &= ~EHCI_PS_PE;
 			break;
 		case USB_PORT_FEAT_C_ENABLE:
-			reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_PE;
+			reg |= EHCI_PS_PE;
 			break;
 		case USB_PORT_FEAT_POWER:
 			if (HCS_PPC(ehci_readl(&ctrl->hccr->cr_hcsparams)))
-				reg = reg & ~(EHCI_PS_CLEAR | EHCI_PS_PP);
+				reg &= ~EHCI_PS_PP;
+			break;
 		case USB_PORT_FEAT_C_CONNECTION:
-			reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_CSC;
+			reg |= EHCI_PS_CSC;
 			break;
 		case USB_PORT_FEAT_OVER_CURRENT:
-			reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_OCC;
+			reg |= EHCI_PS_OCC;
 			break;
 		case USB_PORT_FEAT_C_RESET:
 			ctrl->portreset &= ~(1 << port);
@@ -903,6 +917,9 @@ int usb_lowlevel_init(int index, void **controller)
 	qh_list->qh_overlay.qt_token =
 			cpu_to_hc32(QT_TOKEN_STATUS(QT_TOKEN_STATUS_HALTED));
 
+	flush_dcache_range((uint32_t)qh_list,
+			   ALIGN_END_ADDR(struct QH, qh_list, 1));
+
 	/* Set async. queue head pointer. */
 	ehci_writel(&ehcic[index].hcor->or_asynclistaddr, (uint32_t)qh_list);
 
@@ -916,6 +933,9 @@ int usb_lowlevel_init(int index, void **controller)
 	periodic->qh_overlay.qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
 	periodic->qh_overlay.qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
 
+	flush_dcache_range((uint32_t)periodic,
+			   ALIGN_END_ADDR(struct QH, periodic, 1));
+
 	/*
 	 * Step 2: Setup frame-list: Every microframe, USB tries the same list.
 	 *         In particular, device specifications on polling frequency
@@ -925,7 +945,9 @@ int usb_lowlevel_init(int index, void **controller)
 	 *         Split Transactions will be spread across microframes using
 	 *         S-mask and C-mask.
 	 */
-	ehcic[index].periodic_list = memalign(4096, 1024*4);
+	if (ehcic[index].periodic_list == NULL)
+		ehcic[index].periodic_list = memalign(4096, 1024 * 4);
+
 	if (!ehcic[index].periodic_list)
 		return -ENOMEM;
 	for (i = 0; i < 1024; i++) {
@@ -933,6 +955,10 @@ int usb_lowlevel_init(int index, void **controller)
 						| QH_LINK_TYPE_QH;
 	}
 
+	flush_dcache_range((uint32_t)ehcic[index].periodic_list,
+			   ALIGN_END_ADDR(uint32_t, ehcic[index].periodic_list,
+					  1024));
+
 	/* Set periodic list base address */
 	ehci_writel(&ehcic[index].hcor->or_periodiclistbase,
 		(uint32_t)ehcic[index].periodic_list);
@@ -959,10 +985,13 @@ int usb_lowlevel_init(int index, void **controller)
 	cmd |= CMD_RUN;
 	ehci_writel(&ehcic[index].hcor->or_usbcmd, cmd);
 
+#ifndef CONFIG_USB_EHCI_FARADAY
 	/* take control over the ports */
 	cmd = ehci_readl(&ehcic[index].hcor->or_configflag);
 	cmd |= FLAG_CF;
 	ehci_writel(&ehcic[index].hcor->or_configflag, cmd);
+#endif
+
 	/* unblock posted write */
 	cmd = ehci_readl(&ehcic[index].hcor->or_usbcmd);
 	mdelay(5);
@@ -1144,6 +1173,16 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
 		*buf = buffer + i * elementsize;
 	}
 
+	flush_dcache_range((uint32_t)buffer,
+			   ALIGN_END_ADDR(char, buffer,
+					  queuesize * elementsize));
+	flush_dcache_range((uint32_t)result->first,
+			   ALIGN_END_ADDR(struct QH, result->first,
+					  queuesize));
+	flush_dcache_range((uint32_t)result->tds,
+			   ALIGN_END_ADDR(struct qTD, result->tds,
+					  queuesize));
+
 	if (disable_periodic(ctrl) < 0) {
 		debug("FATAL: periodic should never fail, but did");
 		goto fail3;
@@ -1154,6 +1193,11 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
 	result->last->qh_link = list->qh_link;
 	list->qh_link = (uint32_t)result->first | QH_LINK_TYPE_QH;
 
+	flush_dcache_range((uint32_t)result->last,
+			   ALIGN_END_ADDR(struct QH, result->last, 1));
+	flush_dcache_range((uint32_t)list,
+			   ALIGN_END_ADDR(struct QH, list, 1));
+
 	if (enable_periodic(ctrl) < 0) {
 		debug("FATAL: periodic should never fail, but did");
 		goto fail3;
@@ -1184,6 +1228,8 @@ void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
 		return NULL;
 	}
 	/* still active */
+	invalidate_dcache_range((uint32_t)cur,
+				ALIGN_END_ADDR(struct QH, cur, 1));
 	if (cur->qh_overlay.qt_token & 0x80) {
 		debug("Exit poll_int_queue with no completed intr transfer. "
 		      "token is %x\n", cur->qh_overlay.qt_token);
@@ -1290,6 +1336,9 @@ submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
 		return -EINVAL;
 	}
 
+	invalidate_dcache_range((uint32_t)buffer,
+				ALIGN_END_ADDR(char, buffer, length));
+
 	ret = destroy_int_queue(dev, queue);
 	if (ret < 0)
 		return ret;