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

* 'master' of git://git.denx.de/u-boot-usb:
  USB: efikamx: Enable USB on EfikaMX and EfikaSB
  USB: Add generic ULPI layer and a viewport
  USB: EHCI: Allow EHCI post-powerup configuration in board files
  USB: mx51evk: add end enable USB host support on port 1
  USB: mx53loco: add end enable USB host support on port 1
  USB: MX5: Add MX5 usb post-init callback
  USB: MX5: Abstract out mx51 USB pixmux configuration
  USB: MX5: add generic USB EHCI support for mx51 and mx53
  USB: MX5: add helper functions to enable USB clocks
  usb:gadget:s5p Enable the USB Gadget framework at GONI
  usb:gadget:s5p USB Device Controller (UDC) implementation
  ehci: speed up initialization
  usb: add help for missing start subcommand
  cosmetic: remove excess whitespace from usb command help
  usb: align usb_endpoint_descriptor to 16-bit boundary
  usbtty: init endpoints prior to startup events
  pxa: convert pxa27x_udc to use read and write functions
  pxa: activate the first usb host port on pxa27x by default
  pxa: fix usb host register mismatch
  ehci-fsl: correct size of ehci caplength
  USB: Add usb_event_poll() to get keyboards working with EHCI
  USB: gadaget: add Marvell controller support
  USB: Fix complaints about strict aliasing in OHCI-HCD
  USB: Drop dead code from usb_kbd.c
  USB: Rework usb_kbd.c
  USB: Add functionality to poll the USB keyboard via control EP

6 files changed, 348 insertions, 1 deletions

diff --git a/board/efikamx/Makefile b/board/efikamx/Makefile
index bd1056e00d..fdd188ecfc 100644
--- a/board/efikamx/Makefile
+++ b/board/efikamx/Makefile
@@ -29,6 +29,10 @@ LIB	= $(obj)lib$(BOARD).o
 
 COBJS	:= efikamx.o
 
+ifdef	CONFIG_CMD_USB
+COBJS	+= efikamx-usb.o
+endif
+
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
 SOBJS	:= $(addprefix $(obj),$(SOBJS))
diff --git a/board/efikamx/efikamx-usb.c b/board/efikamx/efikamx-usb.c
new file mode 100644
index 0000000000..840bd9aaa3
--- /dev/null
+++ b/board/efikamx/efikamx-usb.c
@@ -0,0 +1,210 @@
+/*
+ * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <usb.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx5x_pins.h>
+#include <asm/arch/iomux.h>
+#include <asm/gpio.h>
+#include <usb/ehci-fsl.h>
+#include <usb/ulpi.h>
+#include <errno.h>
+
+#include "../../drivers/usb/host/ehci.h"
+
+/* USB pin configuration */
+#define USB_PAD_CONFIG	(PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST | \
+			PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU | \
+			PAD_CTL_HYS_ENABLE | PAD_CTL_PUE_PULL)
+
+/*
+ * Configure the USB H1 and USB H2 IOMUX
+ */
+void setup_iomux_usb(void)
+{
+	setup_iomux_usb_h1();
+
+	if (machine_is_efikasb())
+		setup_iomux_usb_h2();
+
+	/* USB PHY reset */
+	mxc_request_iomux(MX51_PIN_EIM_D27, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_EIM_D27, PAD_CTL_PKE_ENABLE |
+			PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH);
+
+	/* USB HUB reset */
+	mxc_request_iomux(MX51_PIN_GPIO1_5, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX51_PIN_GPIO1_5, PAD_CTL_PKE_ENABLE |
+			PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH);
+
+	/* WIFI EN (act low) */
+	mxc_request_iomux(MX51_PIN_EIM_A22, IOMUX_CONFIG_GPIO);
+	mxc_iomux_set_pad(MX51_PIN_EIM_A22, 0);
+	/* WIFI RESET */
+	mxc_request_iomux(MX51_PIN_EIM_A16, IOMUX_CONFIG_GPIO);
+	mxc_iomux_set_pad(MX51_PIN_EIM_A16, 0);
+	/* BT EN (act low) */
+	mxc_request_iomux(MX51_PIN_EIM_A17, IOMUX_CONFIG_GPIO);
+	mxc_iomux_set_pad(MX51_PIN_EIM_A17, 0);
+}
+
+/*
+ * Enable devices connected to USB BUSes
+ */
+static void efika_usb_enable_devices(void)
+{
+	/* Enable Bluetooth */
+	gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_A17), 0);
+	udelay(10000);
+	gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_A17), 1);
+
+	/* Enable WiFi */
+	gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_A22), 1);
+	udelay(10000);
+
+	/* Reset the WiFi chip */
+	gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_A16), 0);
+	udelay(10000);
+	gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_A16), 1);
+}
+
+/*
+ * Reset USB HUB (or HUBs on EfikaSB)
+ */
+static void efika_usb_hub_reset(void)
+{
+	/* HUB reset */
+	gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5), 1);
+	udelay(1000);
+	gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5), 0);
+	udelay(1000);
+	gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5), 1);
+}
+
+/*
+ * Reset USB PHY (or PHYs on EfikaSB)
+ */
+static void efika_usb_phy_reset(void)
+{
+	/* SMSC 3317 PHY reset */
+	gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_D27), 0);
+	udelay(1000);
+	gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_D27), 1);
+}
+
+static void efika_ehci_init(struct usb_ehci *ehci, uint32_t stp_gpio,
+				uint32_t alt0, uint32_t alt1)
+{
+	int ret;
+	struct ulpi_regs *ulpi = (struct ulpi_regs *)0;
+
+	mxc_request_iomux(stp_gpio, alt0);
+	mxc_iomux_set_pad(stp_gpio, PAD_CTL_DRV_HIGH |
+				PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
+	gpio_direction_output(IOMUX_TO_GPIO(stp_gpio), 0);
+	udelay(1000);
+	gpio_set_value(IOMUX_TO_GPIO(stp_gpio), 1);
+	udelay(1000);
+
+	mxc_request_iomux(stp_gpio, alt1);
+	mxc_iomux_set_pad(stp_gpio, USB_PAD_CONFIG);
+	udelay(10000);
+
+	ret = ulpi_init((u32)&ehci->ulpi_viewpoint);
+	if (ret) {
+		printf("Efika USB ULPI initialization failed\n");
+		return;
+	}
+
+	/* ULPI set flags */
+	ulpi_write((u32)&ehci->ulpi_viewpoint, &ulpi->otg_ctrl,
+			ULPI_OTG_DP_PULLDOWN | ULPI_OTG_DM_PULLDOWN |
+			ULPI_OTG_EXTVBUSIND);
+	ulpi_write((u32)&ehci->ulpi_viewpoint, &ulpi->function_ctrl,
+			ULPI_FC_FULL_SPEED | ULPI_FC_OPMODE_NORMAL |
+			ULPI_FC_SUSPENDM);
+	ulpi_write((u32)&ehci->ulpi_viewpoint, &ulpi->iface_ctrl, 0);
+
+	/* Set VBus */
+	ulpi_write((u32)&ehci->ulpi_viewpoint, &ulpi->otg_ctrl_set,
+			ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
+
+	/*
+	 * Set VBusChrg
+	 *
+	 * NOTE: This violates USB specification, but otherwise, USB on Efika
+	 * doesn't work.
+	 */
+	ulpi_write((u32)&ehci->ulpi_viewpoint, &ulpi->otg_ctrl_set,
+			ULPI_OTG_CHRGVBUS);
+}
+
+int board_ehci_hcd_init(int port)
+{
+	/* Init iMX51 EHCI */
+	efika_usb_phy_reset();
+	efika_usb_hub_reset();
+	efika_usb_enable_devices();
+
+	return 0;
+}
+
+void ehci_powerup_fixup(uint32_t *status_reg, uint32_t *reg)
+{
+	uint32_t port = OTG_BASE_ADDR + (0x200 * CONFIG_MXC_USB_PORT);
+	struct usb_ehci *ehci = (struct usb_ehci *)port;
+	struct ulpi_regs *ulpi = (struct ulpi_regs *)0;
+
+	ulpi_write((u32)&ehci->ulpi_viewpoint, &ulpi->otg_ctrl_set,
+			ULPI_OTG_CHRGVBUS);
+
+	wait_ms(50);
+
+	/* terminate the reset */
+	*reg = ehci_readl(status_reg);
+	*reg |= EHCI_PS_PE;
+}
+
+void board_ehci_hcd_postinit(struct usb_ehci *ehci, int port)
+{
+	uint32_t tmp;
+
+	if (port == 0) {
+		/* Adjust UTMI PHY frequency to 24MHz */
+		tmp = readl(OTG_BASE_ADDR + 0x80c);
+		tmp = (tmp & ~0x3) | 0x01;
+		writel(tmp, OTG_BASE_ADDR + 0x80c);
+	} else if (port == 1) {
+		efika_ehci_init(ehci, MX51_PIN_USBH1_STP,
+				IOMUX_CONFIG_ALT2, IOMUX_CONFIG_ALT0);
+	} else if ((port == 2) && machine_is_efikasb()) {
+		efika_ehci_init(ehci, MX51_PIN_EIM_A26,
+				IOMUX_CONFIG_ALT1, IOMUX_CONFIG_ALT2);
+	}
+
+	if (port)
+		mdelay(10);
+}
diff --git a/board/efikamx/efikamx.c b/board/efikamx/efikamx.c
index 3d2cc1a7f1..1f6c457e99 100644
--- a/board/efikamx/efikamx.c
+++ b/board/efikamx/efikamx.c
@@ -540,6 +540,15 @@ static inline void setup_iomux_ata(void) { }
 #endif
 
 /*
+ * EHCI USB
+ */
+#ifdef	CONFIG_CMD_USB
+extern void setup_iomux_usb(void);
+#else
+static inline void setup_iomux_usb(void) { }
+#endif
+
+/*
  * LED configuration
  */
 void setup_iomux_led(void)
@@ -688,6 +697,12 @@ int board_late_init(void)
 
 	setup_iomux_led();
 	setup_iomux_ata();
+	setup_iomux_usb();
+
+	if (machine_is_efikasb())
+		setenv("preboot", "usb reset ; setenv stdin usbkbd\0");
+
+	setup_iomux_led();
 
 	efikamx_toggle_led(EFIKAMX_LED_BLUE);
 
diff --git a/board/freescale/mx51evk/mx51evk.c b/board/freescale/mx51evk/mx51evk.c
index e5b0929f65..13c59413ec 100644
--- a/board/freescale/mx51evk/mx51evk.c
+++ b/board/freescale/mx51evk/mx51evk.c
@@ -35,6 +35,7 @@
 #include <pmic.h>
 #include <fsl_pmic.h>
 #include <mc13892.h>
+#include <usb/ehci-fsl.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -172,6 +173,64 @@ static void setup_iomux_spi(void)
 }
 #endif
 
+#ifdef CONFIG_USB_EHCI_MX5
+#define MX51EVK_USBH1_HUB_RST	IOMUX_TO_GPIO(MX51_PIN_GPIO1_7) /* GPIO1_7 */
+#define MX51EVK_USBH1_STP	IOMUX_TO_GPIO(MX51_PIN_USBH1_STP) /* GPIO1_27 */
+#define MX51EVK_USB_CLK_EN_B	IOMUX_TO_GPIO(MX51_PIN_EIM_D18) /* GPIO2_1 */
+#define MX51EVK_USB_PHY_RESET	IOMUX_TO_GPIO(MX51_PIN_EIM_D21) /* GPIO2_5 */
+
+#define USBH1_PAD	(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |		\
+			 PAD_CTL_100K_PU | PAD_CTL_PUE_PULL |		\
+			 PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE)
+#define GPIO_PAD	(PAD_CTL_DRV_HIGH | PAD_CTL_PKE_ENABLE |	\
+			 PAD_CTL_SRE_FAST)
+#define NO_PAD		(1 << 16)
+
+static void setup_usb_h1(void)
+{
+	setup_iomux_usb_h1();
+
+	/* GPIO_1_7 for USBH1 hub reset */
+	mxc_request_iomux(MX51_PIN_GPIO1_7, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX51_PIN_GPIO1_7, NO_PAD);
+
+	/* GPIO_2_1 */
+	mxc_request_iomux(MX51_PIN_EIM_D17, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_EIM_D17, GPIO_PAD);
+
+	/* GPIO_2_5 for USB PHY reset */
+	mxc_request_iomux(MX51_PIN_EIM_D21, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_EIM_D21, GPIO_PAD);
+}
+
+void board_ehci_hcd_init(int port)
+{
+	/* Set USBH1_STP to GPIO and toggle it */
+	mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_GPIO);
+	mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD);
+
+	gpio_direction_output(MX51EVK_USBH1_STP, 0);
+	gpio_direction_output(MX51EVK_USB_PHY_RESET, 0);
+	mdelay(10);
+	gpio_set_value(MX51EVK_USBH1_STP, 1);
+
+	/* Set back USBH1_STP to be function */
+	mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD);
+
+	/* De-assert USB PHY RESETB */
+	gpio_set_value(MX51EVK_USB_PHY_RESET, 1);
+
+	/* Drive USB_CLK_EN_B line low */
+	gpio_direction_output(MX51EVK_USB_CLK_EN_B, 0);
+
+	/* Reset USB hub */
+	gpio_direction_output(MX51EVK_USBH1_HUB_RST, 0);
+	mdelay(2);
+	gpio_set_value(MX51EVK_USBH1_HUB_RST, 1);
+}
+#endif
+
 static void power_init(void)
 {
 	unsigned int val;
@@ -394,6 +453,9 @@ int board_early_init_f(void)
 {
 	setup_iomux_uart();
 	setup_iomux_fec();
+#ifdef CONFIG_USB_EHCI_MX5
+	setup_usb_h1();
+#endif
 
 	return 0;
 }
diff --git a/board/freescale/mx53loco/mx53loco.c b/board/freescale/mx53loco/mx53loco.c
index 3cf4195b5e..57170ce045 100644
--- a/board/freescale/mx53loco/mx53loco.c
+++ b/board/freescale/mx53loco/mx53loco.c
@@ -78,6 +78,16 @@ static void setup_iomux_uart(void)
 				PAD_CTL_ODE_OPENDRAIN_ENABLE);
 }
 
+#ifdef CONFIG_USB_EHCI_MX5
+void board_ehci_hcd_init(int port)
+{
+	/* request VBUS power enable pin, GPIO[8}, gpio7 */
+	mxc_request_iomux(MX53_PIN_ATA_DA_2, IOMUX_CONFIG_ALT1);
+	gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 0);
+	gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 1);
+}
+#endif
+
 static void setup_iomux_fec(void)
 {
 	/*FEC_MDIO*/
diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c
index e191bfbd28..e8fb1ea413 100644
--- a/board/samsung/goni/goni.c
+++ b/board/samsung/goni/goni.c
@@ -26,7 +26,9 @@
 #include <asm/arch/gpio.h>
 #include <asm/arch/mmc.h>
 #include <pmic.h>
-
+#include <usb/s3c_udc.h>
+#include <asm/arch/cpu.h>
+#include <max8998_pmic.h>
 DECLARE_GLOBAL_DATA_PTR;
 
 static struct s5pc110_gpio *s5pc110_gpio;
@@ -100,3 +102,47 @@ int board_mmc_init(bd_t *bis)
 	return s5p_mmc_init(0, 4);
 }
 #endif
+
+#ifdef CONFIG_USB_GADGET
+static int s5pc1xx_phy_control(int on)
+{
+	int ret;
+	static int status;
+	struct pmic *p = get_pmic();
+
+	if (pmic_probe(p))
+		return -1;
+
+	if (on && !status) {
+		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
+				      MAX8998_LDO3, LDO_ON);
+		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
+				      MAX8998_LDO8, LDO_ON);
+		if (ret) {
+			puts("MAX8998 LDO setting error!\n");
+			return -1;
+		}
+		status = 1;
+	} else if (!on && status) {
+		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
+				      MAX8998_LDO3, LDO_OFF);
+		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
+				      MAX8998_LDO8, LDO_OFF);
+		if (ret) {
+			puts("MAX8998 LDO setting error!\n");
+			return -1;
+		}
+		status = 0;
+	}
+	udelay(10000);
+
+	return 0;
+}
+
+struct s3c_plat_otg_data s5pc110_otg_data = {
+	.phy_control = s5pc1xx_phy_control,
+	.regs_phy = S5PC110_PHY_BASE,
+	.regs_otg = S5PC110_OTG_BASE,
+	.usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
+};
+#endif