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

Signed-off-by: Tom Rini <trini@konsulko.com>

Conflicts:
	include/configs/dra7xx_evm.h

5 files changed, 277 insertions, 54 deletions

diff --git a/drivers/usb/common/fsl-dt-fixup.c b/drivers/usb/common/fsl-dt-fixup.c
index 9c48852ea0..63a24f74ad 100644
--- a/drivers/usb/common/fsl-dt-fixup.c
+++ b/drivers/usb/common/fsl-dt-fixup.c
@@ -86,8 +86,9 @@ static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
 	return node_offset;
 }
 
-static int fdt_fixup_usb_erratum(void *blob, const char *prop_erratum,
-				 const char *controller_type, int start_offset)
+static int fsl_fdt_fixup_usb_erratum(void *blob, const char *prop_erratum,
+				     const char *controller_type,
+				     int start_offset)
 {
 	int node_offset, err;
 	const char *node_type = NULL;
@@ -114,24 +115,24 @@ static int fdt_fixup_usb_erratum(void *blob, const char *prop_erratum,
 	return node_offset;
 }
 
-static int fdt_fixup_erratum(int *usb_erratum_off, void *blob,
-			     const char *controller_type, char *str,
-			     bool (*has_erratum)(void))
+static int fsl_fdt_fixup_erratum(int *usb_erratum_off, void *blob,
+				 const char *controller_type, char *str,
+				 bool (*has_erratum)(void))
 {
 	char buf[32] = {0};
 
 	snprintf(buf, sizeof(buf), "fsl,usb-erratum-%s", str);
 	if (!has_erratum())
 		return -EINVAL;
-	*usb_erratum_off = fdt_fixup_usb_erratum(blob, buf, controller_type,
-						 *usb_erratum_off);
+	*usb_erratum_off = fsl_fdt_fixup_usb_erratum(blob, buf, controller_type,
+						     *usb_erratum_off);
 	if (*usb_erratum_off < 0)
 		return -ENOSPC;
 	debug("Adding USB erratum %s\n", str);
 	return 0;
 }
 
-void fdt_fixup_dr_usb(void *blob, bd_t *bd)
+void fsl_fdt_fixup_dr_usb(void *blob, bd_t *bd)
 {
 	static const char * const modes[] = { "host", "peripheral", "otg" };
 	static const char * const phys[] = { "ulpi", "utmi", "utmi_dual" };
@@ -198,29 +199,29 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd)
 		if (usb_phy_off < 0)
 			return;
 
-		ret = fdt_fixup_erratum(&usb_erratum_a006261_off, blob,
-					CHIPIDEA_USB2, "a006261",
-					has_erratum_a006261);
+		ret = fsl_fdt_fixup_erratum(&usb_erratum_a006261_off, blob,
+					    CHIPIDEA_USB2, "a006261",
+					    has_erratum_a006261);
 		if (ret == -ENOSPC)
 			return;
-		ret = fdt_fixup_erratum(&usb_erratum_a007075_off, blob,
-					CHIPIDEA_USB2, "a007075",
-					has_erratum_a007075);
+		ret = fsl_fdt_fixup_erratum(&usb_erratum_a007075_off, blob,
+					    CHIPIDEA_USB2, "a007075",
+					    has_erratum_a007075);
 		if (ret == -ENOSPC)
 			return;
-		ret = fdt_fixup_erratum(&usb_erratum_a007792_off, blob,
-					CHIPIDEA_USB2, "a007792",
-					has_erratum_a007792);
+		ret = fsl_fdt_fixup_erratum(&usb_erratum_a007792_off, blob,
+					    CHIPIDEA_USB2, "a007792",
+					    has_erratum_a007792);
 		if (ret == -ENOSPC)
 			return;
-		ret = fdt_fixup_erratum(&usb_erratum_a005697_off, blob,
-					CHIPIDEA_USB2, "a005697",
-					has_erratum_a005697);
+		ret = fsl_fdt_fixup_erratum(&usb_erratum_a005697_off, blob,
+					    CHIPIDEA_USB2, "a005697",
+					    has_erratum_a005697);
 		if (ret == -ENOSPC)
 			return;
-		ret = fdt_fixup_erratum(&usb_erratum_a008751_off, blob,
-					SNPS_DWC3, "a008751",
-					has_erratum_a008751);
+		ret = fsl_fdt_fixup_erratum(&usb_erratum_a008751_off, blob,
+					    SNPS_DWC3, "a008751",
+					    has_erratum_a008751);
 		if (ret == -ENOSPC)
 			return;
 
diff --git a/drivers/usb/common/fsl-errata.c b/drivers/usb/common/fsl-errata.c
index 972016ceb3..0dc3dd8117 100644
--- a/drivers/usb/common/fsl-errata.c
+++ b/drivers/usb/common/fsl-errata.c
@@ -185,4 +185,30 @@ bool has_erratum_a008751(void)
 	return false;
 }
 
+bool has_erratum_a010151(void)
+{
+	u32 svr = get_svr();
+	u32 soc = SVR_SOC_VER(svr);
+
+	switch (soc) {
+#ifdef CONFIG_ARM64
+	case SVR_LS2080A:
+	case SVR_LS2085A:
+	case SVR_LS1046A:
+	case SVR_LS1012A:
+		return IS_SVR_REV(svr, 1, 0);
+	case SVR_LS1043A:
+		return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 1, 1);
+#endif
+#ifdef CONFIG_LS102XA
+	case SOC_VER_LS1020:
+	case SOC_VER_LS1021:
+	case SOC_VER_LS1022:
+	case SOC_VER_SLS1020:
+		return IS_SVR_REV(svr, 2, 0);
+#endif
+	}
+	return false;
+}
+
 #endif
diff --git a/drivers/usb/eth/asix.c b/drivers/usb/eth/asix.c
index a610ae447b..1c6e967db1 100644
--- a/drivers/usb/eth/asix.c
+++ b/drivers/usb/eth/asix.c
@@ -67,11 +67,8 @@
 	 AX_MEDIUM_AC | AX_MEDIUM_RE)
 
 /* AX88772 & AX88178 RX_CTL values */
-#define AX_RX_CTL_RH2M		0x0200	/* 32-bit aligned RX IP header */
-#define AX_RX_CTL_RH1M		0x0100	/* Enable RX header format type 1 */
-#define AX_RX_CTL_SO		0x0080
-#define AX_RX_CTL_AB		0x0008
-#define AX_RX_HEADER_DEFAULT	(AX_RX_CTL_RH1M | AX_RX_CTL_RH2M)
+#define AX_RX_CTL_SO			0x0080
+#define AX_RX_CTL_AB			0x0008
 
 #define AX_DEFAULT_RX_CTL	\
 	(AX_RX_CTL_SO | AX_RX_CTL_AB)
@@ -98,8 +95,6 @@
 #define FLAG_TYPE_AX88772B	(1U << 2)
 #define FLAG_EEPROM_MAC		(1U << 3) /* initial mac address in eeprom */
 
-#define ASIX_USB_VENDOR_ID	0x0b95
-#define AX88772B_USB_PRODUCT_ID	0x772b
 
 /* driver private */
 struct asix_private {
@@ -431,15 +426,10 @@ static int asix_init_common(struct ueth_data *dev, uint8_t *enetaddr)
 	int timeout = 0;
 #define TIMEOUT_RESOLUTION 50	/* ms */
 	int link_detected;
-	u32 ctl = AX_DEFAULT_RX_CTL;
 
 	debug("** %s()\n", __func__);
 
-	if ((dev->pusb_dev->descriptor.idVendor == ASIX_USB_VENDOR_ID) &&
-	    (dev->pusb_dev->descriptor.idProduct == AX88772B_USB_PRODUCT_ID))
-		ctl |= AX_RX_HEADER_DEFAULT;
-
-	if (asix_write_rx_ctl(dev, ctl) < 0)
+	if (asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL) < 0)
 		goto out_err;
 
 	if (asix_write_hwaddr_common(dev, enetaddr) < 0)
@@ -572,12 +562,6 @@ static int asix_recv(struct eth_device *eth)
 			return -1;
 		}
 
-		if ((dev->pusb_dev->descriptor.idVendor ==
-		     ASIX_USB_VENDOR_ID) &&
-		    (dev->pusb_dev->descriptor.idProduct ==
-		     AX88772B_USB_PRODUCT_ID))
-			buf_ptr += 2;
-
 		/* Notify net stack */
 		net_process_received_packet(buf_ptr + sizeof(packet_len),
 					    packet_len);
@@ -819,11 +803,6 @@ int asix_eth_recv(struct udevice *dev, int flags, uchar **packetp)
 	}
 
 	*packetp = ptr + sizeof(packet_len);
-
-	if ((ueth->pusb_dev->descriptor.idVendor == ASIX_USB_VENDOR_ID) &&
-	    (ueth->pusb_dev->descriptor.idProduct == AX88772B_USB_PRODUCT_ID))
-		*packetp += 2;
-
 	return packet_len;
 
 err:
diff --git a/drivers/usb/host/ehci-vf.c b/drivers/usb/host/ehci-vf.c
index 61789dddc3..f6f9efb6cd 100644
--- a/drivers/usb/host/ehci-vf.c
+++ b/drivers/usb/host/ehci-vf.c
@@ -8,16 +8,20 @@
  */
 
 #include <common.h>
+#include <dm.h>
 #include <usb.h>
 #include <errno.h>
 #include <linux/compiler.h>
 #include <asm/io.h>
+#include <asm-generic/gpio.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/crm_regs.h>
 #include <asm/imx-common/iomux-v3.h>
 #include <asm/imx-common/regs-usbphy.h>
 #include <usb/ehci-ci.h>
+#include <libfdt.h>
+#include <fdtdec.h>
 
 #include "ehci.h"
 
@@ -32,6 +36,8 @@
 #define UCMD_RUN_STOP		(1 << 0) /* controller run/stop */
 #define UCMD_RESET			(1 << 1) /* controller reset */
 
+DECLARE_GLOBAL_DATA_PTR;
+
 static const unsigned phy_bases[] = {
 	USB_PHY0_BASE_ADDR,
 	USB_PHY1_BASE_ADDR,
@@ -131,24 +137,39 @@ int __weak board_ehci_hcd_init(int port)
 	return 0;
 }
 
+int ehci_vf_common_init(struct usb_ehci *ehci, int index)
+{
+	int ret;
+
+	/* Do board specific initialisation */
+	ret = board_ehci_hcd_init(index);
+	if (ret)
+		return ret;
+
+	usb_power_config(index);
+	usb_oc_config(index);
+	usb_internal_phy_clock_gate(index);
+	usb_phy_enable(index, ehci);
+
+	return 0;
+}
+
+#ifndef CONFIG_DM_USB
 int ehci_hcd_init(int index, enum usb_init_type init,
 		struct ehci_hccr **hccr, struct ehci_hcor **hcor)
 {
 	struct usb_ehci *ehci;
 	enum usb_init_type type;
+	int ret;
 
 	if (index >= ARRAY_SIZE(nc_reg_bases))
 		return -EINVAL;
 
 	ehci = (struct usb_ehci *)nc_reg_bases[index];
 
-	/* Do board specific initialisation */
-	board_ehci_hcd_init(index);
-
-	usb_power_config(index);
-	usb_oc_config(index);
-	usb_internal_phy_clock_gate(index);
-	usb_phy_enable(index, ehci);
+	ret = ehci_vf_common_init(index);
+	if (ret)
+		return ret;
 
 	*hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
 	*hcor = (struct ehci_hcor *)((uint32_t)*hccr +
@@ -175,3 +196,176 @@ int ehci_hcd_stop(int index)
 {
 	return 0;
 }
+#else
+/* Possible port types (dual role mode) */
+enum dr_mode {
+	DR_MODE_NONE = 0,
+	DR_MODE_HOST,		/* supports host operation */
+	DR_MODE_DEVICE,		/* supports device operation */
+	DR_MODE_OTG,		/* supports both */
+};
+
+struct ehci_vf_priv_data {
+	struct ehci_ctrl ctrl;
+	struct usb_ehci *ehci;
+	struct gpio_desc cdet_gpio;
+	enum usb_init_type init_type;
+	enum dr_mode dr_mode;
+	u32 portnr;
+};
+
+static int vf_usb_ofdata_to_platdata(struct udevice *dev)
+{
+	struct ehci_vf_priv_data *priv = dev_get_priv(dev);
+	const void *dt_blob = gd->fdt_blob;
+	int node = dev->of_offset;
+	const char *mode;
+
+	priv->portnr = dev->seq;
+
+	priv->ehci = (struct usb_ehci *)dev_get_addr(dev);
+	mode = fdt_getprop(dt_blob, node, "dr_mode", NULL);
+	if (mode) {
+		if (0 == strcmp(mode, "host")) {
+			priv->dr_mode = DR_MODE_HOST;
+			priv->init_type = USB_INIT_HOST;
+		} else if (0 == strcmp(mode, "peripheral")) {
+			priv->dr_mode = DR_MODE_DEVICE;
+			priv->init_type = USB_INIT_DEVICE;
+		} else if (0 == strcmp(mode, "otg")) {
+			priv->dr_mode = DR_MODE_OTG;
+			/*
+			 * We set init_type to device by default when OTG
+			 * mode is requested. If a valid gpio is provided
+			 * we will switch the init_type based on the state
+			 * of the gpio pin.
+			 */
+			priv->init_type = USB_INIT_DEVICE;
+		} else {
+			debug("%s: Cannot decode dr_mode '%s'\n",
+			      __func__, mode);
+			return -EINVAL;
+		}
+	} else {
+		priv->dr_mode = DR_MODE_HOST;
+		priv->init_type = USB_INIT_HOST;
+	}
+
+	if (priv->dr_mode == DR_MODE_OTG) {
+		gpio_request_by_name_nodev(dt_blob, node, "fsl,cdet-gpio", 0,
+					   &priv->cdet_gpio, GPIOD_IS_IN);
+		if (dm_gpio_is_valid(&priv->cdet_gpio)) {
+			if (dm_gpio_get_value(&priv->cdet_gpio))
+				priv->init_type = USB_INIT_DEVICE;
+			else
+				priv->init_type = USB_INIT_HOST;
+		}
+	}
+
+	return 0;
+}
+
+static int vf_init_after_reset(struct ehci_ctrl *dev)
+{
+	struct ehci_vf_priv_data *priv = dev->priv;
+	enum usb_init_type type = priv->init_type;
+	struct usb_ehci *ehci = priv->ehci;
+	int ret;
+
+	ret = ehci_vf_common_init(priv->ehci, priv->portnr);
+	if (ret)
+		return ret;
+
+	if (type == USB_INIT_DEVICE)
+		return 0;
+
+	setbits_le32(&ehci->usbmode, CM_HOST);
+	writel((PORT_PTS_UTMI | PORT_PTS_PTW), &ehci->portsc);
+	setbits_le32(&ehci->portsc, USB_EN);
+
+	mdelay(10);
+
+	return 0;
+}
+
+static const struct ehci_ops vf_ehci_ops = {
+	.init_after_reset = vf_init_after_reset
+};
+
+static int vf_usb_bind(struct udevice *dev)
+{
+	static int num_controllers;
+
+	/*
+	 * Without this hack, if we return ENODEV for USB Controller 0, on
+	 * probe for the next controller, USB Controller 1 will be given a
+	 * sequence number of 0. This conflicts with our requirement of
+	 * sequence numbers while initialising the peripherals.
+	 */
+	dev->req_seq = num_controllers;
+	num_controllers++;
+
+	return 0;
+}
+
+static int ehci_usb_probe(struct udevice *dev)
+{
+	struct usb_platdata *plat = dev_get_platdata(dev);
+	struct ehci_vf_priv_data *priv = dev_get_priv(dev);
+	struct usb_ehci *ehci = priv->ehci;
+	struct ehci_hccr *hccr;
+	struct ehci_hcor *hcor;
+	int ret;
+
+	ret = ehci_vf_common_init(ehci, priv->portnr);
+	if (ret)
+		return ret;
+
+	if (priv->init_type != plat->init_type)
+		return -ENODEV;
+
+	if (priv->init_type == USB_INIT_HOST) {
+		setbits_le32(&ehci->usbmode, CM_HOST);
+		writel((PORT_PTS_UTMI | PORT_PTS_PTW), &ehci->portsc);
+		setbits_le32(&ehci->portsc, USB_EN);
+	}
+
+	mdelay(10);
+
+	hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
+	hcor = (struct ehci_hcor *)((uint32_t)hccr +
+				HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+
+	return ehci_register(dev, hccr, hcor, &vf_ehci_ops, 0, priv->init_type);
+}
+
+static int ehci_usb_remove(struct udevice *dev)
+{
+	int ret;
+
+	ret = ehci_deregister(dev);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static const struct udevice_id vf_usb_ids[] = {
+	{ .compatible = "fsl,vf610-usb" },
+	{ }
+};
+
+U_BOOT_DRIVER(usb_ehci) = {
+	.name = "ehci_vf",
+	.id = UCLASS_USB,
+	.of_match = vf_usb_ids,
+	.bind = vf_usb_bind,
+	.probe = ehci_usb_probe,
+	.remove = ehci_usb_remove,
+	.ops = &ehci_usb_ops,
+	.ofdata_to_platdata = vf_usb_ofdata_to_platdata,
+	.platdata_auto_alloc_size = sizeof(struct usb_platdata),
+	.priv_auto_alloc_size = sizeof(struct ehci_vf_priv_data),
+	.flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
+#endif
diff --git a/drivers/usb/host/xhci-fsl.c b/drivers/usb/host/xhci-fsl.c
index bda5b5f913..798c358fd9 100644
--- a/drivers/usb/host/xhci-fsl.c
+++ b/drivers/usb/host/xhci-fsl.c
@@ -58,6 +58,13 @@ static void fsl_apply_xhci_errata(void)
 	}
 }
 
+static void fsl_xhci_set_beat_burst_length(struct dwc3 *dwc3_reg)
+{
+	clrsetbits_le32(&dwc3_reg->g_sbuscfg0, USB3_ENABLE_BEAT_BURST_MASK,
+			USB3_ENABLE_BEAT_BURST);
+	setbits_le32(&dwc3_reg->g_sbuscfg1, USB3_SET_BEAT_BURST_LIMIT);
+}
+
 static int fsl_xhci_core_init(struct fsl_xhci *fsl_xhci)
 {
 	int ret = 0;
@@ -74,6 +81,22 @@ static int fsl_xhci_core_init(struct fsl_xhci *fsl_xhci)
 	/* Set GFLADJ_30MHZ as 20h as per XHCI spec default value */
 	dwc3_set_fladj(fsl_xhci->dwc3_reg, GFLADJ_30MHZ_DEFAULT);
 
+	/* Change beat burst and outstanding pipelined transfers requests */
+	fsl_xhci_set_beat_burst_length(fsl_xhci->dwc3_reg);
+
+	/*
+	 * A-010151: The dwc3 phy TSMC 28-nm HPM 0.9/1.8 V does not
+	 * reliably support Rx Detect in P3 mode(P3 is the default
+	 * setting). Therefore, some USB3.0 devices may not be detected
+	 * reliably in Super Speed mode. So, USB controller to configure
+	 * USB in P2 mode whenever the Receive Detect feature is required.
+	 * whenever the Receive Detect feature is required.
+	 */
+	if (has_erratum_a010151())
+		clrsetbits_le32(&fsl_xhci->dwc3_reg->g_usb3pipectl[0],
+				DWC3_GUSB3PIPECTL_DISRXDETP3,
+				DWC3_GUSB3PIPECTL_DISRXDETP3);
+
 	return ret;
 }