[U-Boot] OMAP5 uEVM USB eHCI patch set v4

[U-Boot] OMAP5 uEVM USB eHCI patch set v4

[Dan Murphy]

This patch set is for the OMAP5 uEVM for the USB eHCI host.
This patch set will enable the LAN9730 ethernet IC and the USB3503
usb hub.

[U-Boot] [PATCH v4 1/7] omap5: uevm: Change the board name to correct name

[Dan Murphy]

Change the board name for the sys info to
5432 uEVM

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Acked-by: Marek Vasut <marex@denx.de>
---
v3 - No change - http://patchwork.ozlabs.org/patch/258226/
v4 - No change - http://patchwork.ozlabs.org/patch/259749/

 board/ti/omap5_uevm/evm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/board/ti/omap5_uevm/evm.c b/board/ti/omap5_uevm/evm.c
index ea83e6c..f741d6f 100644
--- a/board/ti/omap5_uevm/evm.c
+++ b/board/ti/omap5_uevm/evm.c
@@ -16,7 +16,7 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 const struct omap_sysinfo sysinfo = {
-	"Board: OMAP5430 EVM\n"
+	"Board: OMAP5432 uEVM\n"
 };
 
 /**
-- 
1.7.9.5

[U-Boot] [PATCH v4 2/7] ARM: OMAP5: USB: Add OMAP5 common USB EHCI information

[Dan Murphy]

* Enable the OMAP5 EHCI host clocks
* Add OMAP5 EHCI register definitions
* Add OMAP5 ES2 host revision

Signed-off-by: Dan Murphy <dmurphy@ti.com>
---

v3 - Updated per comments - http://patchwork.ozlabs.org/patch/258230/
v4 - Updated per comments added the CONFIG option for PHY3 GPIO - http://patchwork.ozlabs.org/patch/259752/

 arch/arm/include/asm/arch-omap5/clock.h |   17 ++++++++++++
 arch/arm/include/asm/arch-omap5/ehci.h  |   43 +++++++++++++++++++++++++++++++
 arch/arm/include/asm/ehci-omap.h        |    2 ++
 drivers/usb/host/ehci-omap.c            |   26 +++++++++++++++++--
 4 files changed, 86 insertions(+), 2 deletions(-)
 create mode 100644 arch/arm/include/asm/arch-omap5/ehci.h

diff --git a/arch/arm/include/asm/arch-omap5/clock.h b/arch/arm/include/asm/arch-omap5/clock.h
index 3adfc09..9a2166c 100644
--- a/arch/arm/include/asm/arch-omap5/clock.h
+++ b/arch/arm/include/asm/arch-omap5/clock.h
@@ -149,6 +149,23 @@
 /* CM_L3INIT_USBPHY_CLKCTRL */
 #define USBPHY_CLKCTRL_OPTFCLKEN_PHY_48M_MASK	8
 
+/* CM_L3INIT_USB_HOST_HS_CLKCTRL */
+#define OPTFCLKEN_FUNC48M_CLK			(1 << 15)
+#define OPTFCLKEN_HSIC480M_P2_CLK		(1 << 14)
+#define OPTFCLKEN_HSIC480M_P1_CLK		(1 << 13)
+#define OPTFCLKEN_HSIC60M_P2_CLK		(1 << 12)
+#define OPTFCLKEN_HSIC60M_P1_CLK		(1 << 11)
+#define OPTFCLKEN_UTMI_P3_CLK			(1 << 10)
+#define OPTFCLKEN_UTMI_P2_CLK			(1 << 9)
+#define OPTFCLKEN_UTMI_P1_CLK			(1 << 8)
+#define OPTFCLKEN_HSIC480M_P3_CLK		(1 << 7)
+#define OPTFCLKEN_HSIC60M_P3_CLK		(1 << 6)
+
+/* CM_L3INIT_USB_TLL_HS_CLKCTRL */
+#define OPTFCLKEN_USB_CH0_CLK_ENABLE	(1 << 8)
+#define OPTFCLKEN_USB_CH1_CLK_ENABLE	(1 << 9)
+#define OPTFCLKEN_USB_CH2_CLK_ENABLE	(1 << 10)
+
 /* CM_MPU_MPU_CLKCTRL */
 #define MPU_CLKCTRL_CLKSEL_EMIF_DIV_MODE_SHIFT	24
 #define MPU_CLKCTRL_CLKSEL_EMIF_DIV_MODE_MASK	(3 << 24)
diff --git a/arch/arm/include/asm/arch-omap5/ehci.h b/arch/arm/include/asm/arch-omap5/ehci.h
new file mode 100644
index 0000000..3921e4a
--- /dev/null
+++ b/arch/arm/include/asm/arch-omap5/ehci.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com*
+ * Author: Govindraj R <govindraj.raja@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _EHCI_H
+#define _EHCI_H
+
+#define OMAP_EHCI_BASE				(OMAP54XX_L4_CORE_BASE + 0x64C00)
+#define OMAP_UHH_BASE				(OMAP54XX_L4_CORE_BASE + 0x64000)
+#define OMAP_USBTLL_BASE			(OMAP54XX_L4_CORE_BASE + 0x62000)
+
+/* TLL Register Set */
+#define OMAP_USBTLL_SYSCONFIG_SIDLEMODE		(1 << 3)
+#define OMAP_USBTLL_SYSCONFIG_ENAWAKEUP		(1 << 2)
+#define OMAP_USBTLL_SYSCONFIG_SOFTRESET		(1 << 1)
+#define OMAP_USBTLL_SYSCONFIG_CACTIVITY		(1 << 8)
+#define OMAP_USBTLL_SYSSTATUS_RESETDONE		1
+
+#define OMAP_UHH_SYSCONFIG_SOFTRESET		1
+#define OMAP_UHH_SYSSTATUS_EHCI_RESETDONE	(1 << 2)
+#define OMAP_UHH_SYSCONFIG_NOIDLE		(1 << 2)
+#define OMAP_UHH_SYSCONFIG_NOSTDBY		(1 << 4)
+
+#define OMAP_UHH_SYSCONFIG_VAL	(OMAP_UHH_SYSCONFIG_NOIDLE | \
+					OMAP_UHH_SYSCONFIG_NOSTDBY)
+
+#endif /* _EHCI_H */
diff --git a/arch/arm/include/asm/ehci-omap.h b/arch/arm/include/asm/ehci-omap.h
index 77e8170..ac83a53 100644
--- a/arch/arm/include/asm/ehci-omap.h
+++ b/arch/arm/include/asm/ehci-omap.h
@@ -42,6 +42,7 @@ enum usbhs_omap_port_mode {
 /* Values of UHH_REVISION - Note: these are not given in the TRM */
 #define OMAP_USBHS_REV1					0x00000010 /* OMAP3 */
 #define OMAP_USBHS_REV2					0x50700100 /* OMAP4 */
+#define OMAP_USBHS_REV2_1				0x50700101 /* OMAP5 */
 
 /* UHH Register Set */
 #define OMAP_UHH_HOSTCONFIG_INCR4_BURST_EN		(1 << 2)
@@ -60,6 +61,7 @@ enum usbhs_omap_port_mode {
 #define OMAP_P2_MODE_CLEAR				(3 << 18)
 #define OMAP_P2_MODE_TLL				(1 << 18)
 #define OMAP_P2_MODE_HSIC				(3 << 18)
+#define OMAP_P3_MODE_CLEAR				(3 << 20)
 #define OMAP_P3_MODE_HSIC				(3 << 20)
 
 /* EHCI Register Set */
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index a47e078..1ab8edc 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -93,7 +93,8 @@ inline int __board_usb_init(void)
 int board_usb_init(void) __attribute__((weak, alias("__board_usb_init")));
 
 #if defined(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO) || \
-	defined(CONFIG_OMAP_EHCI_PHY2_RESET_GPIO)
+	defined(CONFIG_OMAP_EHCI_PHY2_RESET_GPIO) || \
+	defined(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO)
 /* controls PHY(s) reset signal(s) */
 static inline void omap_ehci_phy_reset(int on, int delay)
 {
@@ -112,6 +113,10 @@ static inline void omap_ehci_phy_reset(int on, int delay)
 	gpio_request(CONFIG_OMAP_EHCI_PHY2_RESET_GPIO, "USB PHY2 reset");
 	gpio_direction_output(CONFIG_OMAP_EHCI_PHY2_RESET_GPIO, !on);
 #endif
+#ifdef CONFIG_OMAP_EHCI_PHY3_RESET_GPIO
+	gpio_request(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, "USB PHY3 reset");
+	gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, !on);
+#endif
 
 	/* Hold the PHY in RESET for enough time till DIR is high */
 	/* Refer: ISSUE1 */
@@ -195,10 +200,27 @@ int omap_ehci_hcd_init(struct omap_usbhs_board_data *usbhs_pdata,
 		else
 			setbits_le32(&reg, OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS);
 	} else if (rev == OMAP_USBHS_REV2) {
+
 		clrsetbits_le32(&reg, (OMAP_P1_MODE_CLEAR | OMAP_P2_MODE_CLEAR),
 					OMAP4_UHH_HOSTCONFIG_APP_START_CLK);
 
-		/* Clear port mode fields for PHY mode*/
+		/* Clear port mode fields for PHY mode */
+
+		if (is_ehci_hsic_mode(usbhs_pdata->port_mode[0]))
+			setbits_le32(&reg, OMAP_P1_MODE_HSIC);
+
+		if (is_ehci_hsic_mode(usbhs_pdata->port_mode[1]))
+			setbits_le32(&reg, OMAP_P2_MODE_HSIC);
+
+	} else if (rev == OMAP_USBHS_REV2_1) {
+
+		clrsetbits_le32(&reg,
+				(OMAP_P1_MODE_CLEAR |
+				 OMAP_P2_MODE_CLEAR |
+				 OMAP_P3_MODE_CLEAR),
+				OMAP4_UHH_HOSTCONFIG_APP_START_CLK);
+
+		/* Clear port mode fields for PHY mode */
 
 		if (is_ehci_hsic_mode(usbhs_pdata->port_mode[0]))
 			setbits_le32(&reg, OMAP_P1_MODE_HSIC);
-- 
1.7.9.5

[U-Boot] [PATCH v4 3/7] ARM: OMAP: USB: Fix linker error when ULPI is not defined

[Dan Murphy]

Fix the linker error for missing ulpi_reset when ulpi is not defined
in the board config.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Acked-by: Marek Vasut <marex@denx.de>
---

v3 - No updates - http://patchwork.ozlabs.org/patch/258228/
v4 - No updates - http://patchwork.ozlabs.org/patch/259755/

 drivers/usb/host/ehci-omap.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index 1ab8edc..7dc4ff6 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -76,6 +76,7 @@ static void omap_usbhs_hsic_init(int port)
 	writel(reg, &usbtll->channel_conf + port);
 }
 
+#ifdef CONFIG_USB_ULPI
 static void omap_ehci_soft_phy_reset(int port)
 {
 	struct ulpi_viewport ulpi_vp;
@@ -85,6 +86,12 @@ static void omap_ehci_soft_phy_reset(int port)
 
 	ulpi_reset(&ulpi_vp);
 }
+#else
+static void omap_ehci_soft_phy_reset(int port)
+{
+	return;
+}
+#endif
 
 inline int __board_usb_init(void)
 {
-- 
1.7.9.5

[U-Boot] [PATCH v4 4/7] ARM: OMAP5-uevm: Add USB ehci support for the uEVM

[Dan Murphy]

Add the USB ehci support for the OMAP5 uEVM.

Configure the uEVM mux data
Add the flags to build the appropriate modules
Add the usb call backs to initialize the EHCI controller

Signed-off-by: Dan Murphy <dmurphy@ti.com>
---

v3 - Updated per comments and removed reset function - http://patchwork.ozlabs.org/patch/258231/
v4 - Updated per comments - http://patchwork.ozlabs.org/patch/259753/

 board/ti/omap5_uevm/evm.c      |   60 ++++++++++++++++++++++++++++++++++++++++
 board/ti/omap5_uevm/mux_data.h |    4 ++-
 include/configs/omap5_uevm.h   |   22 +++++++++++++++
 3 files changed, 85 insertions(+), 1 deletion(-)

diff --git a/board/ti/omap5_uevm/evm.c b/board/ti/omap5_uevm/evm.c
index f741d6f..6219770 100644
--- a/board/ti/omap5_uevm/evm.c
+++ b/board/ti/omap5_uevm/evm.c
@@ -13,6 +13,13 @@
 
 #include "mux_data.h"
 
+#ifdef CONFIG_USB_EHCI
+#include <usb.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/ehci.h>
+#include <asm/ehci-omap.h>
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 const struct omap_sysinfo sysinfo = {
@@ -87,3 +94,56 @@ int board_mmc_init(bd_t *bis)
 	return 0;
 }
 #endif
+
+#ifdef CONFIG_USB_EHCI
+static struct omap_usbhs_board_data usbhs_bdata = {
+	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
+	.port_mode[1] = OMAP_EHCI_PORT_MODE_HSIC,
+	.port_mode[2] = OMAP_EHCI_PORT_MODE_HSIC,
+};
+
+static void enable_host_clocks(void)
+{
+	int hs_clk_ctrl_val = (OPTFCLKEN_HSIC60M_P3_CLK |
+				OPTFCLKEN_HSIC480M_P3_CLK |
+				OPTFCLKEN_HSIC60M_P2_CLK |
+				OPTFCLKEN_HSIC480M_P2_CLK |
+				OPTFCLKEN_UTMI_P3_CLK | OPTFCLKEN_UTMI_P2_CLK);
+
+	/* Enable port 2 and 3 clocks*/
+	setbits_le32((*prcm)->cm_l3init_hsusbhost_clkctrl, hs_clk_ctrl_val);
+
+	/* Enable port 2 and 3 usb host ports tll clocks*/
+	setbits_le32((*prcm)->cm_l3init_hsusbtll_clkctrl,
+			(OPTFCLKEN_USB_CH1_CLK_ENABLE | OPTFCLKEN_USB_CH2_CLK_ENABLE));
+}
+
+int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
+{
+	int ret;
+	int auxclk;
+
+	enable_host_clocks();
+
+	auxclk = readl((*prcm)->scrm_auxclk1);
+	/* Request auxilary clock */
+	auxclk |= AUXCLK_ENABLE_MASK;
+	writel(auxclk, (*prcm)->scrm_auxclk1);
+
+	ret = omap_ehci_hcd_init(&usbhs_bdata, hccr, hcor);
+	if (ret < 0) {
+		puts("Failed to initialize ehci\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+int ehci_hcd_stop(void)
+{
+	int ret;
+
+	ret = omap_ehci_hcd_stop();
+	return ret;
+}
+#endif
diff --git a/board/ti/omap5_uevm/mux_data.h b/board/ti/omap5_uevm/mux_data.h
index 36b723e..00d0fb9 100644
--- a/board/ti/omap5_uevm/mux_data.h
+++ b/board/ti/omap5_uevm/mux_data.h
@@ -40,7 +40,8 @@ const struct pad_conf_entry core_padconf_array_essential[] = {
 	{USBD0_HS_DP, (IEN | M0)},	/*  USBD0_HS_DP */
 	{USBD0_HS_DM, (IEN | M0)},	/*  USBD0_HS_DM */
 	{USBD0_SS_RX, (IEN | M0)},	/*  USBD0_SS_RX */
-
+	{HSI2_ACWAKE, (PTU | M6)},    /*  HSI2_ACWAKE */
+	{HSI2_CAFLAG, (PTU | M6)},    /*  HSI2_CAFLAG */
 };
 
 const struct pad_conf_entry wkup_padconf_array_essential[] = {
@@ -48,6 +49,7 @@ const struct pad_conf_entry wkup_padconf_array_essential[] = {
 	{SR_PMIC_SCL, (PTU | IEN | M0)}, /* SR_PMIC_SCL */
 	{SR_PMIC_SDA, (PTU | IEN | M0)}, /* SR_PMIC_SDA */
 	{SYS_32K, (IEN | M0)}, /*  SYS_32K     */
+	{FREF_CLK1_OUT, (PTD | IEN | M0)},    /*  FREF_CLK1_OUT  */
 
 };
 
diff --git a/include/configs/omap5_uevm.h b/include/configs/omap5_uevm.h
index 9c045d3..70b059c 100644
--- a/include/configs/omap5_uevm.h
+++ b/include/configs/omap5_uevm.h
@@ -37,6 +37,28 @@
 #define CONFIG_PARTITION_UUIDS
 #define CONFIG_CMD_PART
 
+/* USB UHH support options */
+#define CONFIG_CMD_USB
+#define CONFIG_USB_HOST
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_OMAP
+#define CONFIG_USB_STORAGE
+#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+
+#define CONFIG_OMAP_EHCI_PHY2_RESET_GPIO 80
+#define CONFIG_OMAP_EHCI_PHY3_RESET_GPIO 79
+
+/* Enabled commands */
+#define CONFIG_NET_MULTI
+#define CONFIG_CMD_DHCP		/* DHCP Support			*/
+#define CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
+#define CONFIG_CMD_NFS		/* NFS support			*/
+
+/* USB Networking options */
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_SMSC95XX
+
 #define CONFIG_SYS_PROMPT		"OMAP5432 uEVM # "
 
 #define CONSOLEDEV		"ttyO2"
-- 
1.7.9.5

[U-Boot] [PATCH v4 5/7] ARM: OMAP5-uevm: Add USB MAC ethernet address

[Dan Murphy]

Set the usbethaddr based on the OMAP DIE_ID registers
which should be unique for each processor.

Then set this as the usb ethernet MAC address.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
---

v3 - new patch
v4 - Updated per the comments - http://patchwork.ozlabs.org/patch/259754/

 board/ti/omap5_uevm/evm.c |   23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/board/ti/omap5_uevm/evm.c b/board/ti/omap5_uevm/evm.c
index 6219770..19d6e71 100644
--- a/board/ti/omap5_uevm/evm.c
+++ b/board/ti/omap5_uevm/evm.c
@@ -18,6 +18,10 @@
 #include <asm/arch/clock.h>
 #include <asm/arch/ehci.h>
 #include <asm/ehci-omap.h>
+
+#define DIE_ID_REG_BASE     (OMAP54XX_L4_CORE_BASE + 0x2000)
+#define DIE_ID_REG_OFFSET	0x200
+
 #endif
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -122,9 +126,28 @@ int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
 {
 	int ret;
 	int auxclk;
+	int reg;
+	uint8_t device_mac[6];
 
 	enable_host_clocks();
 
+	if (!getenv("usbethaddr")) {
+		reg = DIE_ID_REG_BASE + DIE_ID_REG_OFFSET;
+
+		/*
+		 * create a fake MAC address from the processor ID code.
+		 * first byte is 0x02 to signify locally administered.
+		 */
+		device_mac[0] = 0x02;
+		device_mac[1] = readl(reg + 0x10) & 0xff;
+		device_mac[2] = readl(reg + 0xC) & 0xff;
+		device_mac[3] = readl(reg + 0x8) & 0xff;
+		device_mac[4] = readl(reg) & 0xff;
+		device_mac[5] = (readl(reg) >> 8) & 0xff;
+
+		eth_setenv_enetaddr("usbethaddr", device_mac);
+	}
+
 	auxclk = readl((*prcm)->scrm_auxclk1);
 	/* Request auxilary clock */
 	auxclk |= AUXCLK_ENABLE_MASK;
-- 
1.7.9.5

[U-Boot] [PATCH v4 6/7] USB: usb-hub: Add a weak function for resetting devices

[Dan Murphy]

Add a __weak function that can be overridden to reset devices
attached to an ehci devices after the FEAT_POWER has been submitted

Signed-off-by: Dan Murphy <dmurphy@ti.com>
---

v3 - Modified location of the weak function - http://patchwork.ozlabs.org/patch/258229/
v4 - No code changes - http://patchwork.ozlabs.org/patch/259751/

 common/usb_hub.c |   12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/common/usb_hub.c b/common/usb_hub.c
index 754d436..da667e8 100644
--- a/common/usb_hub.c
+++ b/common/usb_hub.c
@@ -44,6 +44,10 @@
 static struct usb_hub_device hub_dev[USB_MAX_HUB];
 static int usb_hub_index;
 
+__weak void usb_hub_reset_devices(int port)
+{
+	return;
+}
 
 static int usb_get_hub_descriptor(struct usb_device *dev, void *data, int size)
 {
@@ -426,6 +430,14 @@ static int usb_hub_configure(struct usb_device *dev)
 	      "" : "no ");
 	usb_hub_power_on(hub);
 
+	/*
+	 * Reset any devices that may be in a bad state when applying
+	 * the power.  This is a __weak function.  Resettig of the devices
+	 * should occur in the board file of the device.
+	 */
+	for (i = 0; i < dev->maxchild; i++)
+		usb_hub_reset_devices(i + 1);
+
 	for (i = 0; i < dev->maxchild; i++) {
 		ALLOC_CACHE_ALIGN_BUFFER(struct usb_port_status, portsts, 1);
 		unsigned short portstatus, portchange;
-- 
1.7.9.5

[U-Boot] [PATCH v4 7/7] ARM: OMAP5-uevm: Add usb device reset API

[Dan Murphy]

Add the call back to reset the LAN9730 after
the FEAT_POWER has been called.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
---

v3 - Added this patch to separate the patch series - http://patchwork.ozlabs.org/patch/258229/
v4 - Updated the CONFIG gpio to be PHY3 - http://patchwork.ozlabs.org/patch/259750/

 board/ti/omap5_uevm/evm.c |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/board/ti/omap5_uevm/evm.c b/board/ti/omap5_uevm/evm.c
index 19d6e71..aa6846f 100644
--- a/board/ti/omap5_uevm/evm.c
+++ b/board/ti/omap5_uevm/evm.c
@@ -15,6 +15,7 @@
 
 #ifdef CONFIG_USB_EHCI
 #include <usb.h>
+#include <asm/gpio.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/ehci.h>
 #include <asm/ehci-omap.h>
@@ -169,4 +170,14 @@ int ehci_hcd_stop(void)
 	ret = omap_ehci_hcd_stop();
 	return ret;
 }
+
+void usb_hub_reset_devices(int port)
+{
+	/* The LAN9730 needs to be reset after the port power has been set. */
+	if (port == 3) {
+		gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 0);
+		udelay(10);
+		gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 1);
+	}
+}
 #endif
-- 
1.7.9.5

[U-Boot] OMAP5 uEVM USB eHCI patch set v4

[Marek Vasut]

Dear Dan Murphy,

> This patch set is for the OMAP5 uEVM for the USB eHCI host.
> This patch set will enable the LAN9730 ethernet IC and the USB3503
> usb hub.

Applied all, thanks.

Best regards,
Marek Vasut