[rtems-libbsd commit] New USB device specific controller files

Sebastian Huber sebh at rtems.org
Mon Mar 26 08:14:43 UTC 2012


Module:    rtems-libbsd
Branch:    master
Commit:    918638f58d2d744d956d8025f89e1d0625119152
Changeset: http://git.rtems.org/rtems-libbsd/commit/?id=918638f58d2d744d956d8025f89e1d0625119152

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Mon Mar 26 10:15:09 2012 +0200

New USB device specific controller files

---

 Makefile                                   |    4 +-
 freebsd-to-rtems.py                        |    4 +-
 rtemsbsd/dev/usb/controller/ehci_mpc83xx.c |  286 +++++++++++++
 rtemsbsd/dev/usb/controller/ohci_lpc24xx.c |  228 +++++++++++
 rtemsbsd/dev/usb/controller/ohci_lpc3250.c |  359 ----------------
 rtemsbsd/dev/usb/controller/ohci_lpc32xx.c |  607 ++++++++++++++++++++++++++++
 6 files changed, 1127 insertions(+), 361 deletions(-)

diff --git a/Makefile b/Makefile
index cd06210..082d302 100644
--- a/Makefile
+++ b/Makefile
@@ -342,7 +342,9 @@ C_FILES = \
 	freebsd/dev/bge/if_bge.c
 # RTEMS Project Owned Files
 C_FILES += \
-	rtemsbsd/dev/usb/controller/ohci_lpc3250.c \
+	rtemsbsd/dev/usb/controller/ohci_lpc24xx.c \
+	rtemsbsd/dev/usb/controller/ohci_lpc32xx.c \
+	rtemsbsd/dev/usb/controller/ehci_mpc83xx.c \
 	rtemsbsd/src/rtems-bsd-cam.c \
 	rtemsbsd/src/rtems-bsd-nexus.c \
 	rtemsbsd/src/rtems-bsd-autoconf.c \
diff --git a/freebsd-to-rtems.py b/freebsd-to-rtems.py
index cbea914..aeb5ba0 100755
--- a/freebsd-to-rtems.py
+++ b/freebsd-to-rtems.py
@@ -492,7 +492,9 @@ rtems_headerFiles = [
 	'bsd.h',
 	]
 rtems_sourceFiles = [
-	'dev/usb/controller/ohci_lpc3250.c',
+	'dev/usb/controller/ohci_lpc24xx.c',
+	'dev/usb/controller/ohci_lpc32xx.c',
+	'dev/usb/controller/ehci_mpc83xx.c',
 	'src/rtems-bsd-cam.c',
 	'src/rtems-bsd-nexus.c',
 	'src/rtems-bsd-autoconf.c',
diff --git a/rtemsbsd/dev/usb/controller/ehci_mpc83xx.c b/rtemsbsd/dev/usb/controller/ehci_mpc83xx.c
new file mode 100644
index 0000000..88952e5
--- /dev/null
+++ b/rtemsbsd/dev/usb/controller/ehci_mpc83xx.c
@@ -0,0 +1,286 @@
+/*
+ * Copyright (c) 2009-2012 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems at embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#include <freebsd/machine/rtems-bsd-config.h>
+
+#include <bsp.h>
+
+#if defined(__GEN83xx_BSP_h) || defined(LIBBSP_POWERPC_QORIQ_BSP_H)
+
+#include <bsp/irq.h>
+#include <bsp/utility.h>
+
+#ifdef __GEN83xx_BSP_h
+  #include <mpc83xx/mpc83xx.h>
+  #define BSP_EHCI_REGISTER_BASE_ADDR ((unsigned) &mpc83xx.usb_dr.caplength)
+  #define BSP_EHCI_IRQ_VECTOR BSP_IPIC_IRQ_USB_DR
+#endif
+
+#ifdef LIBBSP_POWERPC_QORIQ_BSP_H
+  #include <bsp/qoriq.h>
+  #define BSP_EHCI_REGISTER_BASE_ADDR ((unsigned) &qoriq.usb_1 + 0x100)
+  #define BSP_EHCI_IRQ_VECTOR QORIQ_IRQ_USB_1
+#endif
+
+#include <freebsd/sys/cdefs.h>
+#include <freebsd/sys/stdint.h>
+#include <freebsd/sys/stddef.h>
+#include <freebsd/sys/param.h>
+#include <freebsd/sys/queue.h>
+#include <freebsd/sys/types.h>
+#include <freebsd/sys/systm.h>
+#include <freebsd/sys/kernel.h>
+#include <freebsd/sys/bus.h>
+#include <freebsd/sys/linker_set.h>
+#include <freebsd/sys/module.h>
+#include <freebsd/sys/lock.h>
+#include <freebsd/sys/mutex.h>
+#include <freebsd/sys/condvar.h>
+#include <freebsd/sys/sysctl.h>
+#include <freebsd/sys/sx.h>
+#include <freebsd/sys/unistd.h>
+#include <freebsd/sys/callout.h>
+#include <freebsd/sys/malloc.h>
+#include <freebsd/sys/priv.h>
+
+#include <freebsd/dev/usb/usb.h>
+#include <freebsd/dev/usb/usbdi.h>
+
+#include <freebsd/dev/usb/usb_core.h>
+#include <freebsd/dev/usb/usb_busdma.h>
+#include <freebsd/dev/usb/usb_process.h>
+#include <freebsd/dev/usb/usb_util.h>
+
+#include <freebsd/dev/usb/usb_controller.h>
+#include <freebsd/dev/usb/usb_bus.h>
+#include <freebsd/dev/usb/controller/ehci.h>
+
+static device_probe_t ehci_mpc83xx_probe;
+static device_attach_t ehci_mpc83xx_attach;
+static device_detach_t ehci_mpc83xx_detach;
+static device_suspend_t ehci_mpc83xx_suspend;
+static device_resume_t ehci_mpc83xx_resume;
+
+static int
+ehci_mpc83xx_suspend(device_t self)
+{
+	ehci_softc_t *e = device_get_softc(self);
+	int eno = bus_generic_suspend(self);
+
+	if (eno != 0) {
+		return (eno);
+	}
+
+	ehci_suspend(e);
+
+	return (0);
+}
+
+static int
+ehci_mpc83xx_resume(device_t self)
+{
+	ehci_softc_t *e = device_get_softc(self);
+
+	ehci_resume(e);
+
+	bus_generic_resume(self);
+
+	return (0);
+}
+
+
+static int
+ehci_mpc83xx_probe(device_t self)
+{
+	device_set_desc(self, "EHCI");
+
+	return (0);
+}
+
+#define CONTROL_ULPI_INT_EN BSP_BBIT32(31)
+#define CONTROL_WU_INT_EN BSP_BBIT32(30)
+#define CONTROL_USB_EN BSP_BBIT32(29)
+#define CONTROL_LSF_EN BSP_BBIT32(28)
+#define CONTROL_KEEP_OTG_ON BSP_BBIT32(27)
+#define CONTROL_OTG_PORT BSP_BBIT32(26)
+#define CONTROL_REFSEL(val) BSP_BFLD32(val, 24, 25)
+#define CONTROL_PLL_RESET BSP_BBIT32(23)
+#define CONTROL_UTMI_PHY_EN BSP_BBIT32(22)
+#define CONTROL_PHY_CLOCK_SEL BSP_BBIT32(21)
+#define CONTROL_CLKIN_SEL(val) BSP_BFLD32(val, 19, 20)
+#define CONTROL_WU_INT BSP_BBIT32(15)
+#define CONTROL_PHY_CLK_VALID BSP_BBIT32(14)
+
+static void
+ehci_mpc83xx_phy_init(void)
+{
+#ifdef __GEN83xx_BSP_h
+	volatile uint32_t *control = &mpc83xx.usb_dr.control;
+
+	*control = CONTROL_PLL_RESET | CONTROL_REFSEL(0x2U);
+	*control = CONTROL_UTMI_PHY_EN | CONTROL_REFSEL(0x2U);
+
+	while ((*control & CONTROL_PHY_CLK_VALID) == 0) {
+		/* Wait for PLL */
+	}
+#endif
+}
+
+#define USBMODE_SDIS BSP_BIT32(4)
+#define USBMODE_SLOM BSP_BIT32(3)
+#define USBMODE_CM_IDLE BSP_FLD32(0x0, 0, 1)
+#define USBMODE_CM_DEVICE BSP_FLD32(0x2, 0, 1)
+#define USBMODE_CM_HOST BSP_FLD32(0x3, 0, 1)
+
+#define PORTSC_PTS(val) BSP_FLD32(val, 30, 31)
+#define PORTSC_PTS_UTMI PORTSC_PTS(0x0)
+#define PORTSC_PTS_ULPI PORTSC_PTS(0x2)
+#define PORTSC_PE BSP_BIT32(2)
+
+#define SNOOP_ADDR(val) BSP_BFLD32(val, 0, 19)
+#define SNOOP_ENABLE(val) BSP_BFLD32(val, 27, 31)
+#define SNOOP_SIZE_2GB SNOOP_ENABLE(0x1e)
+
+static void
+ehci_mpc83xx_host_init(void)
+{
+#ifdef __GEN83xx_BSP_h
+	mpc83xx.usb_dr.snoop1 = SNOOP_ADDR(0x0) | SNOOP_SIZE_2GB;
+	mpc83xx.usb_dr.snoop2 = SNOOP_ADDR(0x80000) | SNOOP_SIZE_2GB;
+	mpc83xx.usb_dr.control = CONTROL_UTMI_PHY_EN | CONTROL_REFSEL(0x2) | CONTROL_USB_EN;
+	mpc83xx.usb_dr.portsc1 = htole32(PORTSC_PTS_UTMI);
+#if 0
+	mpc83xx.usb_dr.pri_ctrl = 0xcU;
+	mpc83xx.usb_dr.age_cnt_thresh = 0x40U;
+	mpc83xx.usb_dr.si_ctrl = 0x1U;
+#endif
+	mpc83xx.usb_dr.usbmode = USBMODE_CM_HOST;
+#endif
+#ifdef LIBBSP_POWERPC_QORIQ_BSP_H
+	qoriq.usb_1.snoop1 = SNOOP_ADDR(0x0) | SNOOP_SIZE_2GB;
+	qoriq.usb_1.snoop2 = SNOOP_ADDR(0x80000) | SNOOP_SIZE_2GB;
+	qoriq.usb_1.control = CONTROL_USB_EN;
+	qoriq.usb_1.portsc1 = htole32(PORTSC_PTS_ULPI | BSP_BIT32(28) | PORTSC_PE);
+	qoriq.usb_1.usbmode = USBMODE_CM_HOST;
+#endif
+}
+
+static int
+ehci_mpc83xx_attach(device_t self)
+{
+	rtems_status_code sc = RTEMS_SUCCESSFUL;
+	ehci_softc_t *e = device_get_softc(self);
+	usb_error_t ue = USB_ERR_NORMAL_COMPLETION;
+	int eno = 0;
+
+	memset(e, 0, sizeof(*e));
+
+	/* Initialize some bus fields */
+	e->sc_bus.parent = self;
+	e->sc_bus.devices = e->sc_devices;
+	e->sc_bus.devices_max = EHCI_MAX_DEVICES;
+	e->sc_bus.usbrev = USB_REV_2_0;
+
+	/* Get all DMA memory */
+	if (usb_bus_mem_alloc_all(&e->sc_bus, USB_GET_DMA_TAG(self), &ehci_iterate_hw_softc)) {
+		return (ENOMEM);
+	}
+
+	/* Child device */
+	e->sc_bus.bdev = device_add_child(self, "usbus", -1);
+	if (e->sc_bus.bdev == NULL) {
+		device_printf(self, "Could not add USB device\n");
+		goto error;
+	}
+	device_set_ivars(e->sc_bus.bdev, &e->sc_bus);
+	device_set_desc(e->sc_bus.bdev, "EHCI");
+	snprintf(e->sc_vendor, sizeof(e->sc_vendor), "Freescale");
+
+	/* Register space */
+	e->sc_io_tag = 0;
+	e->sc_io_hdl = BSP_EHCI_REGISTER_BASE_ADDR;
+	e->sc_io_size = 0x88;
+
+	ehci_mpc83xx_phy_init();
+
+	ehci_mpc83xx_host_init();
+
+	/* Install interrupt handler */
+	sc = rtems_interrupt_server_handler_install(
+		RTEMS_ID_NONE,
+		BSP_EHCI_IRQ_VECTOR,
+		"USB",
+		RTEMS_INTERRUPT_UNIQUE,
+		(rtems_interrupt_handler) ehci_interrupt,
+		e
+	);
+	BSD_ASSERT_SC(sc);
+
+	e->sc_flags |= EHCI_SCFLG_SETMODE | EHCI_SCFLG_NORESTERM | EHCI_SCFLG_TT;
+
+	/* EHCI intitialization */
+	ue = ehci_init(e);
+	if (ue != USB_ERR_NORMAL_COMPLETION) {
+		goto error;
+	}
+
+	/* Probe and attach child */
+	eno = device_probe_and_attach(e->sc_bus.bdev);
+	if (eno != 0) {
+		goto error;
+	}
+
+	return (0);
+
+error:
+	ehci_mpc83xx_detach(self);
+
+	return (ENXIO);
+}
+
+static int
+ehci_mpc83xx_detach(device_t self)
+{
+	BSD_PRINTF("TODO\n");
+
+	return (0);
+}
+
+static device_method_t ehci_methods [] = {
+	/* Device interface */
+	DEVMETHOD(device_probe, ehci_mpc83xx_probe),
+	DEVMETHOD(device_attach, ehci_mpc83xx_attach),
+	DEVMETHOD(device_detach, ehci_mpc83xx_detach),
+	DEVMETHOD(device_suspend, ehci_mpc83xx_suspend),
+	DEVMETHOD(device_resume, ehci_mpc83xx_resume),
+	DEVMETHOD(device_shutdown, bus_generic_shutdown),
+
+	/* Bus interface */
+	DEVMETHOD(bus_print_child, bus_generic_print_child),
+
+	{0, 0}
+};
+
+static driver_t ehci_driver = {
+	.name = "ehci",
+	.methods = ehci_methods,
+	.size = sizeof(struct ehci_softc)
+};
+
+static devclass_t ehci_devclass;
+
+DRIVER_MODULE(ehci, nexus, ehci_driver, ehci_devclass, 0, 0);
+MODULE_DEPEND(ehci, usb, 1, 1, 1);
+
+#endif /* defined(__GEN83xx_BSP_h) || defined(LIBBSP_POWERPC_QORIQ_BSP_H) */
diff --git a/rtemsbsd/dev/usb/controller/ohci_lpc24xx.c b/rtemsbsd/dev/usb/controller/ohci_lpc24xx.c
new file mode 100644
index 0000000..dc32510
--- /dev/null
+++ b/rtemsbsd/dev/usb/controller/ohci_lpc24xx.c
@@ -0,0 +1,228 @@
+/*
+ * Copyright (c) 2009-2012 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems at embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#include <freebsd/machine/rtems-bsd-config.h>
+
+#include <bsp.h>
+
+#ifdef LIBBSP_ARM_LPC24XX_BSP_H
+
+#include <bsp/irq.h>
+#include <bsp/io.h>
+#include <bsp/lpc24xx.h>
+
+#include <freebsd/sys/cdefs.h>
+#include <freebsd/sys/stdint.h>
+#include <freebsd/sys/stddef.h>
+#include <freebsd/sys/param.h>
+#include <freebsd/sys/queue.h>
+#include <freebsd/sys/types.h>
+#include <freebsd/sys/systm.h>
+#include <freebsd/sys/kernel.h>
+#include <freebsd/sys/bus.h>
+#include <freebsd/sys/linker_set.h>
+#include <freebsd/sys/module.h>
+#include <freebsd/sys/lock.h>
+#include <freebsd/sys/mutex.h>
+#include <freebsd/sys/condvar.h>
+#include <freebsd/sys/sysctl.h>
+#include <freebsd/sys/sx.h>
+#include <freebsd/sys/unistd.h>
+#include <freebsd/sys/callout.h>
+#include <freebsd/sys/malloc.h>
+#include <freebsd/sys/priv.h>
+
+#include <freebsd/dev/usb/usb.h>
+#include <freebsd/dev/usb/usbdi.h>
+
+#include <freebsd/dev/usb/usb_core.h>
+#include <freebsd/dev/usb/usb_busdma.h>
+#include <freebsd/dev/usb/usb_process.h>
+#include <freebsd/dev/usb/usb_util.h>
+
+#include <freebsd/dev/usb/usb_controller.h>
+#include <freebsd/dev/usb/usb_bus.h>
+#include <freebsd/dev/usb/controller/ohci.h>
+
+static device_probe_t ohci_lpc24xx_probe;
+static device_attach_t ohci_lpc24xx_attach;
+static device_detach_t ohci_lpc24xx_detach;
+static device_suspend_t ohci_lpc24xx_suspend;
+static device_resume_t ohci_lpc24xx_resume;
+
+static int
+ohci_lpc24xx_suspend(device_t self)
+{
+	ohci_softc_t *e = device_get_softc(self);
+	int eno = bus_generic_suspend(self);
+
+	if (eno != 0) {
+		return (eno);
+	}
+
+	ohci_suspend(e);
+
+	return (0);
+}
+
+static int
+ohci_lpc24xx_resume(device_t self)
+{
+	ohci_softc_t *e = device_get_softc(self);
+
+	ohci_resume(e);
+
+	bus_generic_resume(self);
+
+	return (0);
+}
+
+
+static int
+ohci_lpc24xx_probe(device_t self)
+{
+	device_set_desc(self, "LPC24XX OHCI controller");
+
+	return (0);
+}
+
+static int
+ohci_lpc24xx_attach(device_t self)
+{
+	static const lpc24xx_pin_range pins [] = {
+		LPC24XX_PIN_USB_D_PLUS_1,
+		LPC24XX_PIN_USB_D_MINUS_1,
+		LPC24XX_PIN_USB_PPWR_1,
+		LPC24XX_PIN_TERMINAL
+	};
+
+	rtems_status_code sc = RTEMS_SUCCESSFUL;
+	ohci_softc_t *e = device_get_softc(self);
+	usb_error_t ue = USB_ERR_NORMAL_COMPLETION;
+	int eno = 0;
+
+	memset(e, 0, sizeof(*e));
+
+	BSD_PRINTF("XXX\n");
+
+	/* Initialize some bus fields */
+	e->sc_bus.parent = self;
+	e->sc_bus.devices = e->sc_devices;
+	e->sc_bus.devices_max = OHCI_MAX_DEVICES;
+
+	/* Get all DMA memory */
+	if (usb_bus_mem_alloc_all(&e->sc_bus, USB_GET_DMA_TAG(self), &ohci_iterate_hw_softc)) {
+		return (ENOMEM);
+	}
+	e->sc_dev = self;
+
+	/* Child device */
+	e->sc_bus.bdev = device_add_child(self, "usbus", -1);
+	if (e->sc_bus.bdev == NULL) {
+		device_printf(self, "Could not add USB device\n");
+		goto error;
+	}
+	device_set_ivars(e->sc_bus.bdev, &e->sc_bus);
+	device_set_desc(e->sc_bus.bdev, "LPC24XX OHCI bus");
+	snprintf(e->sc_vendor, sizeof(e->sc_vendor), "NXP");
+
+	/* Register space */
+	e->sc_io_tag = 0U;
+	e->sc_io_hdl = USBHC_BASE_ADDR;
+	e->sc_io_size = 0x5cU;
+
+	/* Enable USB module */
+	sc = lpc24xx_module_enable(LPC24XX_MODULE_USB, LPC24XX_MODULE_PCLK_DEFAULT);
+	BSD_ASSERT_SC(sc);
+
+	/* Enable USB host and AHB clocks */
+	OTG_CLK_CTRL = 0x19;
+	while ((OTG_CLK_STAT & 0x19) != 0x19) {
+		/* Wait */
+	}
+
+	/* Set OTG Status and Control Register */
+	OTG_STAT_CTRL = 0x3;
+
+	/* Configure IO pins */
+	sc = lpc24xx_pin_config(&pins [0], LPC24XX_PIN_SET_FUNCTION);
+	BSD_ASSERT_SC(sc);
+
+	/* Install interrupt handler */
+	sc = rtems_interrupt_server_handler_install(
+		RTEMS_ID_NONE,
+		LPC24XX_IRQ_USB,
+		"USB",
+		RTEMS_INTERRUPT_UNIQUE,
+		(rtems_interrupt_handler) ohci_interrupt,
+		e
+	);
+	BSD_ASSERT_SC(sc);
+
+	/* OHCI intitialization */
+	ue = ohci_init(e);
+	if (ue != USB_ERR_NORMAL_COMPLETION) {
+		goto error;
+	}
+
+	/* Probe and attach child */
+	eno = device_probe_and_attach(e->sc_bus.bdev);
+	if (eno != 0) {
+		goto error;
+	}
+
+	return (0);
+
+error:
+	ohci_lpc24xx_detach(self);
+	return (ENXIO);
+}
+
+static int
+ohci_lpc24xx_detach(device_t self)
+{
+	ohci_softc_t *e = device_get_softc(self);
+
+	BSD_PRINTF("XXX\n");
+
+	return (0);
+}
+
+static device_method_t ohci_methods [] = {
+	/* Device interface */
+	DEVMETHOD(device_probe, ohci_lpc24xx_probe),
+	DEVMETHOD(device_attach, ohci_lpc24xx_attach),
+	DEVMETHOD(device_detach, ohci_lpc24xx_detach),
+	DEVMETHOD(device_suspend, ohci_lpc24xx_suspend),
+	DEVMETHOD(device_resume, ohci_lpc24xx_resume),
+	DEVMETHOD(device_shutdown, bus_generic_shutdown),
+
+	/* Bus interface */
+	DEVMETHOD(bus_print_child, bus_generic_print_child),
+
+	{0, 0}
+};
+
+static driver_t ohci_driver = {
+	.name = "ohci",
+	.methods = ohci_methods,
+	.size = sizeof(struct ohci_softc)
+};
+
+static devclass_t ohci_devclass;
+
+DRIVER_MODULE(ohci, nexus, ohci_driver, ohci_devclass, 0, 0);
+MODULE_DEPEND(ohci, usb, 1, 1, 1);
+
+#endif /* LIBBSP_ARM_LPC24XX_BSP_H */
diff --git a/rtemsbsd/dev/usb/controller/ohci_lpc3250.c b/rtemsbsd/dev/usb/controller/ohci_lpc3250.c
deleted file mode 100644
index e980868..0000000
--- a/rtemsbsd/dev/usb/controller/ohci_lpc3250.c
+++ /dev/null
@@ -1,359 +0,0 @@
-#include <freebsd/machine/rtems-bsd-config.h>
-
-#include <bsp.h>
-
-#ifdef LIBBSP_ARM_LPC3250_BSP_H
-
-#include <bsp/irq.h>
-
-#include <freebsd/sys/cdefs.h>
-#include <freebsd/sys/stdint.h>
-#include <freebsd/sys/stddef.h>
-#include <freebsd/sys/param.h>
-#include <freebsd/sys/queue.h>
-#include <freebsd/sys/types.h>
-#include <freebsd/sys/systm.h>
-#include <freebsd/sys/kernel.h>
-#include <freebsd/sys/bus.h>
-#include <freebsd/sys/linker_set.h>
-#include <freebsd/sys/module.h>
-#include <freebsd/sys/lock.h>
-#include <freebsd/sys/mutex.h>
-#include <freebsd/sys/condvar.h>
-#include <freebsd/sys/sysctl.h>
-#include <freebsd/sys/sx.h>
-#include <freebsd/sys/unistd.h>
-#include <freebsd/sys/callout.h>
-#include <freebsd/sys/malloc.h>
-#include <freebsd/sys/priv.h>
-
-#include <freebsd/dev/usb/usb.h>
-#include <freebsd/dev/usb/usbdi.h>
-
-#include <freebsd/dev/usb/usb_core.h>
-#include <freebsd/dev/usb/usb_busdma.h>
-#include <freebsd/dev/usb/usb_process.h>
-#include <freebsd/dev/usb/usb_util.h>
-
-#include <freebsd/dev/usb/usb_controller.h>
-#include <freebsd/dev/usb/usb_bus.h>
-#include <freebsd/dev/usb/controller/ohci.h>
-
-typedef struct
-{
-  uint16_t VendorID;
-  uint16_t ProductID;
-  uint16_t VersionID;
-} isp130x_PhyDetails_Typ;
-
-static void
-i2c_wait_for_receive_fifo_not_empty(void)
-{
-  while ((OTGI2CSTS & OTG_I2C_RFE) != 0) {
-		/* Wait */
-	}
-}
-
-static uint8_t
-isp1301_read(uint8_t reg)
-{
-  OTGI2CCTL = OTG_I2C_RESET;
-
-  OTGI2CTX = ISP1301_I2C_ADDR | OTG_I2C_START;
-
-  OTGI2CTX = reg;
-
-  OTGI2CTX = ISP1301_I2C_ADDR | OTG_I2C_READ | OTG_I2C_START;
-
-  OTGI2CTX = OTG_I2C_STOP;
-
-	i2c_wait_for_receive_fifo_not_empty();
-
-  return (uint8_t) OTGI2CRX;
-}
-
-static void
-i2c_wait_for_transaction_done(void)
-{
-  while ((OTGI2CSTS & OTG_I2C_TDI) == 0) {
-		/* Wait */
-	}
-
-  OTGI2CSTS = OTG_I2C_TDI;
-}
-
-static void
-isp1301_write(uint8_t reg, uint8_t val)
-{
-
-  OTGI2CCTL = OTG_I2C_RESET;
-
-  OTGI2CTX = ISP1301_I2C_ADDR | OTG_I2C_START;
-
-  OTGI2CTX = reg;
-
-  OTGI2CTX = val | OTG_I2C_STOP;
-
-	i2c_wait_for_transaction_done();
-}
-
-static void
-isp1301_dump(void)
-{
-	BSD_PRINTF(
-		"ISP1301: mc1 %02x, mc2 %02x, otgctrl %02x, otgsts %02x, isrc %02x, iltch %02x, ienl %02x, ienh %02x\n",
-		isp1301_read(ISP1301_MODE_CONTROL_1),
-		isp1301_read(ISP1301_MODE_CONTROL_2),
-    isp1301_read(ISP1301_OTG_CONTROL_1),
-		isp1301_read(ISP1301_OTG_STATUS),
-    isp1301_read(ISP1301_I2C_INTERRUPT_SOURCE),
-    isp1301_read(ISP1301_I2C_INTERRUPT_LATCH),
-    isp1301_read(ISP1301_I2C_INTERRUPT_FALLING),
-    isp1301_read(ISP1301_I2C_INTERRUPT_RISING)
-	);
-}
-
-
-static isp130x_PhyDetails_Typ
- isp130x_GetPhyDetails(void)
-{
-  isp130x_PhyDetails_Typ PhyDetails;
-
-  PhyDetails.VendorID  = (uint16_t)((isp1301_read(ISP1301_I2C_VENDOR_ID_HIGH) << 8) |
-                                     isp1301_read(ISP1301_I2C_VENDOR_ID_LOW));
-
-  PhyDetails.ProductID = (uint16_t)((isp1301_read(ISP1301_I2C_PRODUCT_ID_HIGH) << 8) |
-                                     isp1301_read(ISP1301_I2C_PRODUCT_ID_LOW));
-
-  PhyDetails.VersionID = (uint16_t)((isp1301_read(ISP1301_I2C_VERSION_ID_HIGH) << 8) |
-                                     isp1301_read(ISP1301_I2C_VERSION_ID_LOW));
-
-  return PhyDetails;
-}
-
-
-static void
-isp1301_configure(void)
-{
-    isp130x_PhyDetails_Typ PhyDetails = isp130x_GetPhyDetails();
-
-    BSD_PRINTF("ISP130x: vendor 0x%04x, product 0x%04x, version 0x%04x\n",
-               PhyDetails.VendorID,
-               PhyDetails.ProductID,
-               PhyDetails.VersionID);
-
-	isp1301_write(ISP1301_MODE_CONTROL_1_CLEAR, 0xff);
-  isp1301_write(ISP1301_MODE_CONTROL_1_SET, MC1_SPEED_REG);
-	isp1301_write(ISP1301_MODE_CONTROL_2_CLEAR, 0xff);
-
-    switch (PhyDetails.ProductID)
-    {
-      case ISP1301_PRODUCT_ID:
-        isp1301_write(ISP1301_MODE_CONTROL_2_SET, MC2_BI_DI |
-                                                  MC2_PSW_EN |
-                                                  MC2_SPD_SUSP_CTRL);
-        break;
-
-      case ISP1302_PRODUCT_ID:
-        // Do not set 'SPD_SUSP_CTRL' bit as per ISP1301 this bit is reserved in
-        // ISP1302, setting it will cause problems.
-        isp1301_write(ISP1301_MODE_CONTROL_2_SET, MC2_BI_DI |
-                                                  MC2_PSW_EN);
-
-        // ISP1302 has an additonal register we should initialise it..
-        isp1301_write(ISP1302_MISC_CONTROL_CLEAR, 0xff);
-        isp1301_write(ISP1302_MISC_CONTROL_SET, MISC_UART_2V8_EN);
-
-        break;
-
-      default:
-        break;
-    }
-
-    isp1301_write(ISP1301_OTG_CONTROL_CLEAR, 0xff);
-  isp1301_write(ISP1301_MODE_CONTROL_1_SET, MC1_DAT_SE0);
-  isp1301_write(ISP1301_OTG_CONTROL_SET, OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN);
-  isp1301_write(ISP1301_I2C_INTERRUPT_LATCH_CLEAR, 0xff);
-  isp1301_write(ISP1301_I2C_INTERRUPT_FALLING_CLEAR, 0xff);
-  isp1301_write(ISP1301_I2C_INTERRUPT_RISING_CLEAR, 0xff);
-}
-
-static void
-isp1301_vbus_on(void)
-{
-  isp1301_write(ISP1301_OTG_CONTROL_SET, OTG1_VBUS_DRV);
-}
-
-static int
-ohci_lpc32xx_suspend(device_t self)
-{
-	ohci_softc_t *e = device_get_softc(self);
-	int eno = bus_generic_suspend(self);
-
-	if (eno != 0) {
-		return (eno);
-	}
-
-	ohci_suspend(e);
-
-	return (0);
-}
-
-static int
-ohci_lpc32xx_resume(device_t self)
-{
-	ohci_softc_t *e = device_get_softc(self);
-
-	ohci_resume(e);
-
-	bus_generic_resume(self);
-
-	return (0);
-}
-
-
-static int
-ohci_lpc32xx_probe(device_t self)
-{
-  device_set_desc(self, "LPC3250 OHCI controller");
-
-	return (0);
-}
-
-static int
-ohci_lpc32xx_detach(device_t self)
-{
-	ohci_softc_t *e = device_get_softc(self);
-
-	BSD_PRINTF("FIXME\n");
-
-	return (0);
-}
-
-static int
-ohci_lpc32xx_attach(device_t self)
-{
-	rtems_status_code sc = RTEMS_SUCCESSFUL;
-	ohci_softc_t *e = device_get_softc(self);
-	usb_error_t ue = USB_ERR_NORMAL_COMPLETION;
-	int eno = 0;
-
-	memset(e, 0, sizeof(*e));
-
-	/* Initialize some bus fields */
-	e->sc_bus.parent = self;
-	e->sc_bus.devices = e->sc_devices;
-	e->sc_bus.devices_max = OHCI_MAX_DEVICES;
-
-	/* Get all DMA memory */
-	if (usb_bus_mem_alloc_all(&e->sc_bus, USB_GET_DMA_TAG(self), &ohci_iterate_hw_softc)) {
-		return (ENOMEM);
-	}
-	e->sc_dev = self;
-
-	/* Child device */
-	e->sc_bus.bdev = device_add_child(self, "usbus", -1);
-	if (e->sc_bus.bdev == NULL) {
-		device_printf(self, "Could not add USB device\n");
-		goto error;
-	}
-	device_set_ivars(e->sc_bus.bdev, &e->sc_bus);
-  device_set_desc(e->sc_bus.bdev, "LPC3250 OHCI bus");
-	snprintf(e->sc_vendor, sizeof(e->sc_vendor), "NXP");
-
-	/* Register space */
-	e->sc_io_tag = 0U;
-  e->sc_io_hdl = OTGUSB_BASE;
-	e->sc_io_size = 0x5cU;
-
-	/* Enable USB PLL */
-  USBDIVCTRL = 0xc;
-  USBCTRL = USBCLK_SLAVE_HCLK_EN
-    | USBCLK_PC_BUS_KEEPER
-    | USBCLK_CLKEN1
-    | USBCLK_POWER_UP
-    | USBCLK_P_2
-    | USBCLK_N_1
-    | (191U << USBCLK_M_SHIFT);
-  while ((USBCTRL & USBCLK_PLL_LOCK) == 0) {
-		/* Wait */
-	}
-  USBCTRL |= USBCLK_CLKEN2;
-
-	/* Enable USB host and AHB clocks */
-  OTGCLKCTRL = 0x1c;
-  while ((OTGCLKSTAT & 0x1c) != 0x1c) {
-		/* Wait */
-	}
-
-	isp1301_configure();
-
-  USBCTRL |= USBCLK_HOST_NEED_CLK_EN;
-
-  OTGCLKCTRL = 0x1d;
-  while ((OTGCLKSTAT & 0x1d) != 0x1d) {
-		/* Wait */
-	}
-
-	/* Set OTG Status and Control Register */
-  OTGSTAT = 0x1;
-
-	isp1301_vbus_on();
-
-	/* Install interrupt handler */
-	sc = rtems_interrupt_server_handler_install(
-		RTEMS_ID_NONE,
-    IRQ_USB_HOST,
-		"USB",
-		RTEMS_INTERRUPT_UNIQUE,
-		(rtems_interrupt_handler) ohci_interrupt,
-		e
-	);
-	BSD_ASSERT_SC(sc);
-
-	/* OHCI intitialization */
-	ue = ohci_init(e);
-	if (ue != USB_ERR_NORMAL_COMPLETION) {
-		goto error;
-	}
-
-	/* Probe and attach child */
-	eno = device_probe_and_attach(e->sc_bus.bdev);
-	if (eno != 0) {
-		goto error;
-	}
-
-	return (0);
-
-error:
-	ohci_lpc32xx_detach(self);
-	return (ENXIO);
-}
-
-static device_method_t ohci_methods [] = {
-	/* Device interface */
-	DEVMETHOD(device_probe, ohci_lpc32xx_probe),
-	DEVMETHOD(device_attach, ohci_lpc32xx_attach),
-	DEVMETHOD(device_detach, ohci_lpc32xx_detach),
-	DEVMETHOD(device_suspend, ohci_lpc32xx_suspend),
-	DEVMETHOD(device_resume, ohci_lpc32xx_resume),
-	DEVMETHOD(device_shutdown, bus_generic_shutdown),
-
-	/* Bus interface */
-	DEVMETHOD(bus_print_child, bus_generic_print_child),
-
-	{0, 0}
-};
-
-static driver_t ohci_driver = {
-	.name = "ohci",
-	.methods = ohci_methods,
-	.size = sizeof(struct ohci_softc)
-};
-
-static devclass_t ohci_devclass;
-
-DRIVER_MODULE(ohci, nexus, ohci_driver, ohci_devclass, 0, 0);
-MODULE_DEPEND(ohci, usb, 1, 1, 1);
-
-#endif /* LIBBSP_ARM_LPC3250_BSP_H */
diff --git a/rtemsbsd/dev/usb/controller/ohci_lpc32xx.c b/rtemsbsd/dev/usb/controller/ohci_lpc32xx.c
new file mode 100644
index 0000000..9c7e8ef
--- /dev/null
+++ b/rtemsbsd/dev/usb/controller/ohci_lpc32xx.c
@@ -0,0 +1,607 @@
+/*
+ * Copyright (c) 2009-2012 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems at embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#include <freebsd/machine/rtems-bsd-config.h>
+
+#include <bsp.h>
+
+#ifdef LIBBSP_ARM_LPC32XX_BSP_H
+
+#include <bsp/irq.h>
+#include <bsp/lpc32xx.h>
+
+#include <freebsd/sys/cdefs.h>
+#include <freebsd/sys/stdint.h>
+#include <freebsd/sys/stddef.h>
+#include <freebsd/sys/param.h>
+#include <freebsd/sys/queue.h>
+#include <freebsd/sys/types.h>
+#include <freebsd/sys/systm.h>
+#include <freebsd/sys/kernel.h>
+#include <freebsd/sys/bus.h>
+#include <freebsd/sys/linker_set.h>
+#include <freebsd/sys/module.h>
+#include <freebsd/sys/lock.h>
+#include <freebsd/sys/mutex.h>
+#include <freebsd/sys/condvar.h>
+#include <freebsd/sys/sysctl.h>
+#include <freebsd/sys/sx.h>
+#include <freebsd/sys/unistd.h>
+#include <freebsd/sys/callout.h>
+#include <freebsd/sys/malloc.h>
+#include <freebsd/sys/priv.h>
+
+#include <freebsd/dev/usb/usb.h>
+#include <freebsd/dev/usb/usbdi.h>
+
+#include <freebsd/dev/usb/usb_core.h>
+#include <freebsd/dev/usb/usb_busdma.h>
+#include <freebsd/dev/usb/usb_process.h>
+#include <freebsd/dev/usb/usb_util.h>
+
+#include <freebsd/dev/usb/usb_controller.h>
+#include <freebsd/dev/usb/usb_bus.h>
+#include <freebsd/dev/usb/controller/ohci.h>
+
+#define USB_CTRL_SLAVE_HCLK_EN (1U << 24)
+#define USB_CTRL_I2C_EN (1U << 23)
+#define USB_CTRL_DEV_NEED_CLK_EN (1U << 22)
+#define USB_CTRL_HOST_NEED_CLK_EN (1U << 21)
+#define USB_CTRL_PC_MASK (0x3U << 19)
+#define USB_CTRL_PC_PULL_UP (0x0U << 19)
+#define USB_CTRL_PC_BUS_KEEPER (0x1U << 19)
+#define USB_CTRL_PC_NONE (0x2U << 19)
+#define USB_CTRL_PC_PULL_DOWN (0x3U << 19)
+#define USB_CTRL_CLKEN2 (1U << 18)
+#define USB_CTRL_CLKEN1 (1U << 17)
+#define USB_CTRL_POWER_UP (1U << 16)
+#define USB_CTRL_BYPASS (1U << 15)
+#define USB_CTRL_DIRECT (1U << 14)
+#define USB_CTRL_FEEDBACK (1U << 13)
+#define USB_CTRL_P_SHIFT 11
+#define USB_CTRL_P_MASK (0x3U << USB_CTRL_P_SHIFT)
+#define USB_CTRL_P_1 (0x0U << USB_CTRL_P_SHIFT)
+#define USB_CTRL_P_2 (0x1U << USB_CTRL_P_SHIFT)
+#define USB_CTRL_P_4 (0x2U << USB_CTRL_P_SHIFT)
+#define USB_CTRL_P_8 (0x3U << USB_CTRL_P_SHIFT)
+#define USB_CTRL_N_SHIFT 9
+#define USB_CTRL_N_MASK (0x3U << USB_CTRL_N_SHIFT)
+#define USB_CTRL_N_1 (0x0U << USB_CTRL_N_SHIFT)
+#define USB_CTRL_N_2 (0x1U << USB_CTRL_N_SHIFT)
+#define USB_CTRL_N_3 (0x2U << USB_CTRL_N_SHIFT)
+#define USB_CTRL_N_4 (0x3U << USB_CTRL_N_SHIFT)
+#define USB_CTRL_M_SHIFT 1
+#define USB_CTRL_M_MASK (0xffU << USB_CTRL_M_SHIFT)
+#define USB_CTRL_PLL_LOCK (1U << 0)
+
+#define I2C_CTL_SRST (1U << 8)
+
+#define I2C_TX_DATA_MASK 0xffU
+#define I2C_TX_ADDR_SHIFT 1
+#define I2C_TX_ADDR_MASK 0x7fU
+#define I2C_TX_READ (1U << 0)
+#define I2C_TX_START (1U << 8)
+#define I2C_TX_STOP (1U << 9)
+
+#define I2C_STS_TDI (1U << 0)
+#define I2C_STS_AFI (1U << 1)
+#define I2C_STS_NAI (1U << 2)
+#define I2C_STS_RFE (1U << 9)
+
+#define PHY_VENDOR_ID_LOW 0x0U
+#define PHY_VENDOR_ID_HIGH 0x1U
+#define PHY_PRODUCT_ID_LOW 0x2U
+#define PHY_PRODUCT_ID_HIGH 0x3U
+#define PHY_MODE_CONTROL_1 0x4U
+#define PHY_MODE_CONTROL_1_SET 0x4U
+#define PHY_MODE_CONTROL_1_CLEAR 0x5U
+#define PHY_MODE_CONTROL_X 0x12U
+#define PHY_MODE_CONTROL_X_SET 0x12U
+#define PHY_MODE_CONTROL_X_CLEAR 0x13U
+#define PHY_OTG_CONTROL 0x6U
+#define PHY_OTG_CONTROL_SET 0x6U
+#define PHY_OTG_CONTROL_CLEAR 0x7U
+#define PHY_INTERRUPT_SOURCE 0x8U
+#define PHY_INTERRUPT_LATCH 0xaU
+#define PHY_INTERRUPT_LATCH_SET 0xaU
+#define PHY_INTERRUPT_LATCH_CLEAR 0xbU
+#define PHY_INTERRUPT_ENABLE_LOW 0xcU
+#define PHY_INTERRUPT_ENABLE_LOW_SET 0xcU
+#define PHY_INTERRUPT_ENABLE_LOW_CLEAR 0xdU
+#define PHY_INTERRUPT_ENABLE_HIGH 0xeU
+#define PHY_INTERRUPT_ENABLE_HIGH_SET 0xeU
+#define PHY_INTERRUPT_ENABLE_HIGH_CLEAR 0xfU
+
+// ISP130x Specific...
+#define ISP130x_VERSION_ID_LOW 0x14U
+#define ISP130x_VERSION_ID_HIGH 0x15U
+#define ISP130x_OTG_STATUS 0x10U
+
+// ISP1302 Specific...
+#define ISP1302_MISC_CONTROL_SET 0x18U
+#define ISP1302_MISC_CONTROL_CLEAR 0x19U
+
+
+#define PHY_MODE_CONTROL_1_SPEED_REG (1U << 0)
+#define PHY_MODE_CONTROL_1_SUSPEND_REG (1U << 1)
+#define PHY_MODE_CONTROL_1_DAT_SE0 (1U << 2)
+#define PHY_MODE_CONTROL_1_TRANSP_EN (1U << 3)
+#define PHY_MODE_CONTROL_1_BDIS_ACON_EN (1U << 4)
+#define PHY_MODE_CONTROL_1_OE_INT_EN (1U << 5)
+#define PHY_MODE_CONTROL_1_UART_EN (1U << 6)
+
+// MODE CONTROL 'X'
+//
+// On ISP130x  this is register MODE CONTROL 2
+// On STOTG04E this is register CONTROL 3
+//
+//  'rsrvd' = not available reserved bit.
+//  'diff'  = different functionality .
+//
+// Bit  Function              ISP1301      ISP1302       STOTG04E
+// --------------------------------------------------------------
+//  0   PWR_DN                  Y            Y             rsrvd
+//  1   SPD_SUSP_CTRL           Y           rsrvd          diff
+//  2   BI_DI                   Y           rsrvd           Y
+//  3   TRANSP_BDIR[0]          Y            Y              Y
+//  4   TRANSP_BDIR[1]          Y            Y              Y
+//  5   AUDIO_EN                Y            Y              Y
+//  6   PSW_OE                  Y            Y              Y
+//  7   EN2V7                   Y           rsrvd           Y
+
+
+//ISP1301 & ISP1302 (Reserved on STOTG04E)
+#define ISP130x_MODE_CONTROL_X_GLOBAL_PWR_DN (1U << 0)
+//ISP1301   (ISP1302 reserved bit!)
+#define ISP1301_MODE_CONTROL_X_SPD_SUSP_CTRL (1U << 1)
+//STOTG04E (Different functionality!)
+#define STOTG04E_MODE_CONTROL_X_RX_BIAS_EN ISP1301_MODE_CONTROL_X_SPD_SUSP_CTRL
+//ISP1301  (ISP1302 reserved bit!)
+#define ISP1301_MODE_CONTROL_X_BI_DI (1U << 2)
+//STOTG04E
+#define STOTG04E_MODE_CONTROL_X_BI_DI ISP1301_MODE_CONTROL_X_BI_DI
+//ISP1301, ISP1302 & STOTG04E common definitions.
+#define PHY_MODE_CONTROL_X_TRANSP_BDIR0 (1U << 3)
+#define PHY_MODE_CONTROL_X_TRANSP_BDIR1 (1U << 4)
+#define PHY_MODE_CONTROL_X_AUDIO_EN (1U << 5)
+#define PHY_MODE_CONTROL_X_PSW_OE (1U << 6)
+//ISP1301   (ISP1302 reserved bit.)
+#define ISP1301_MODE_CONTROL_X_EN2V7 (1U << 7)
+//STOTG04E
+#define STOTG04E_MODE_CONTROL_X_EN2V7 ISP1301_MODE_CONTROL_X_EN2V7
+
+
+// Note: STOTG04E Control register 2 = ISP130x OTG Control register
+#define PHY_OTG_CONTROL_DP_PULLUP (1U << 0)
+#define PHY_OTG_CONTROL_DM_PULLUP (1U << 1)
+#define PHY_OTG_CONTROL_DP_PULLDOWN (1U << 2)
+#define PHY_OTG_CONTROL_DM_PULLDOWN (1U << 3)
+#define PHY_OTG_CONTROL_ID_PULLDOWN (1U << 4)
+#define PHY_OTG_CONTROL_VBUS_DRV (1U << 5)
+#define PHY_OTG_CONTROL_VBUS_DISCHRG (1U << 6)
+#define PHY_OTG_CONTROL_VBUS_CHRG (1U << 7)
+
+#define PHY_ADDR (0x2cU << I2C_TX_ADDR_SHIFT)
+
+// ISP1302 Specific...
+#define ISP1302_MISC_CONTROL_REG_BYPASS_DIS (1U << 0)
+#define ISP1302_MISC_CONTROL_SRP_INIT (1U << 1)
+#define ISP1302_MISC_CONTROL_DP_WKPU_EN (1U << 2)
+#define ISP1302_MISC_CONTROL_IDPU_DIS (1U << 3)
+#define ISP1302_MISC_CONTROL_UART_2V8_EN (1U << 4)
+#define ISP1302_MISC_CONTROL_FORCE_DP_LOW (1U << 6)
+#define ISP1302_MISC_CONTROL_FORCE_DP_HIGH (1U << 7)
+
+// Product Indentifers.
+#define ISP1301_PRODUCT_ID   0x1301
+#define ISP1302_PRODUCT_ID   0x1302
+#define STOTG04E_PRODUCT_ID  0xA0C4
+
+
+
+typedef struct
+{
+  uint16_t VendorID;
+  uint16_t ProductID;
+  uint16_t VersionID;
+} phy_Details_Typ;
+
+static void
+i2c_wait_for_receive_fifo_not_empty(void)
+{
+	while ((LPC32XX_I2C_STS & I2C_STS_RFE) != 0) {
+		/* Wait */
+	}
+}
+
+static uint8_t
+phy_read(uint8_t reg)
+{
+	LPC32XX_I2C_CTL = I2C_CTL_SRST;
+
+	LPC32XX_I2C_TX = PHY_ADDR | I2C_TX_START;
+
+	LPC32XX_I2C_TX = reg;
+
+	LPC32XX_I2C_TX = PHY_ADDR | I2C_TX_READ | I2C_TX_START;
+
+	LPC32XX_I2C_TX = I2C_TX_STOP;
+
+	i2c_wait_for_receive_fifo_not_empty();
+
+	return (uint8_t) LPC32XX_I2C_RX;
+}
+
+static void
+i2c_wait_for_transaction_done(void)
+{
+	while ((LPC32XX_I2C_STS & I2C_STS_TDI) == 0) {
+		/* Wait */
+	}
+
+	LPC32XX_I2C_STS = I2C_STS_TDI;
+}
+
+static void
+phy_write(uint8_t reg, uint8_t val)
+{
+
+	LPC32XX_I2C_CTL = I2C_CTL_SRST;
+
+	LPC32XX_I2C_TX = PHY_ADDR | I2C_TX_START;
+
+	LPC32XX_I2C_TX = reg;
+
+	LPC32XX_I2C_TX = val | I2C_TX_STOP;
+
+	i2c_wait_for_transaction_done();
+}
+
+static phy_Details_Typ
+ phy_GetDetails(void)
+{
+	phy_Details_Typ PhyDetails;
+
+	PhyDetails.VendorID  = (uint16_t)((phy_read(PHY_VENDOR_ID_HIGH) << 8) |
+		phy_read(PHY_VENDOR_ID_LOW));
+
+	PhyDetails.ProductID = (uint16_t)((phy_read(PHY_PRODUCT_ID_HIGH) << 8) |
+		phy_read(PHY_PRODUCT_ID_LOW));
+
+	if (PhyDetails.ProductID == STOTG04E_PRODUCT_ID)
+	{
+	  // STOTG04E - Does not support 'Version' thus default it here to 'zero'
+	  PhyDetails.VersionID = 0;
+	}
+	else
+	{
+	  PhyDetails.VersionID = (uint16_t)((phy_read(ISP130x_VERSION_ID_HIGH) << 8) |
+		phy_read(ISP130x_VERSION_ID_LOW));
+	}
+
+	return PhyDetails;
+}
+
+static char const *
+get_PhyNameString(uint16_t ProductID)
+{
+	static char const * const ISP1301  = "ISP1301";
+	static char const * const ISP1302  = "ISP1302";
+	static char const * const STOTG04E = "STOTG04E";
+	static char const * const UNKNOWN  = "Unknown!";
+	
+	char const * String_Ptr = ISP1301;
+	
+	switch (ProductID) {
+		case ISP1301_PRODUCT_ID:
+			String_Ptr = ISP1301;
+			break;
+		
+		case ISP1302_PRODUCT_ID:
+			String_Ptr = ISP1302;
+			break;
+		
+		case STOTG04E_PRODUCT_ID:
+			String_Ptr = STOTG04E;
+			break;
+		
+		default:
+			String_Ptr = UNKNOWN;
+			break;
+	}
+	
+	return String_Ptr;
+}
+
+static void
+phy_dump(void)
+{
+	phy_Details_Typ PhyDetails = phy_GetDetails();
+
+	switch (PhyDetails.ProductID) {
+		case ISP1301_PRODUCT_ID:
+		case ISP1302_PRODUCT_ID:
+			// ISP130x has extra OTG status register.
+			BSD_PRINTF(
+				"Registers: mc1 %02x, mc2 %02x, otgctrl %02x, otgsts %02x, isrc %02x, iltch %02x, ienl %02x, ienh %02x\n",
+				phy_read(PHY_MODE_CONTROL_1),
+				phy_read(PHY_MODE_CONTROL_X),
+				phy_read(PHY_OTG_CONTROL),
+				phy_read(ISP130x_OTG_STATUS),
+				phy_read(PHY_INTERRUPT_SOURCE),
+				phy_read(PHY_INTERRUPT_LATCH),
+				phy_read(PHY_INTERRUPT_ENABLE_LOW),
+				phy_read(PHY_INTERRUPT_ENABLE_HIGH)
+			);
+			break;
+
+		case STOTG04E_PRODUCT_ID:
+			// Control register 2 is 'otgctrl', control register 3 is equivalent ISP130x control register 2.
+			BSD_PRINTF(
+				"Registers: mc1 %02x, mc3 %02x, otgctrl %02x, isrc %02x, iltch %02x, ienl %02x, ienh %02x\n",
+				phy_read(PHY_MODE_CONTROL_1),
+				phy_read(PHY_MODE_CONTROL_X),
+				phy_read(PHY_OTG_CONTROL),
+				phy_read(PHY_INTERRUPT_SOURCE),
+				phy_read(PHY_INTERRUPT_LATCH),
+				phy_read(PHY_INTERRUPT_ENABLE_LOW),
+				phy_read(PHY_INTERRUPT_ENABLE_HIGH)
+			);
+			break;
+
+		default:
+			BSD_ASSERT_SC(RTEMS_UNSATISFIED);
+			break;
+	}
+}
+
+static void
+phy_configure(void)
+{
+	phy_Details_Typ PhyDetails = phy_GetDetails();
+
+	BSD_PRINTF(
+		"USB-PHY: %s  (vendor 0x%04x, product 0x%04x, version 0x%04x)\n",
+		get_PhyNameString(PhyDetails.ProductID),
+		PhyDetails.VendorID,
+		PhyDetails.ProductID,
+		PhyDetails.VersionID
+	);
+
+	phy_write(PHY_MODE_CONTROL_1_CLEAR, 0xff);
+	phy_write(PHY_MODE_CONTROL_1_SET, PHY_MODE_CONTROL_1_SPEED_REG);
+	phy_write(PHY_MODE_CONTROL_X_CLEAR, 0xff);
+
+	switch (PhyDetails.ProductID) {
+		case ISP1301_PRODUCT_ID:
+			phy_write(
+				PHY_MODE_CONTROL_X_SET,
+				ISP1301_MODE_CONTROL_X_BI_DI
+					| PHY_MODE_CONTROL_X_PSW_OE
+					| ISP1301_MODE_CONTROL_X_SPD_SUSP_CTRL
+			);
+			break;
+
+		case ISP1302_PRODUCT_ID:
+			// Do not set 'SPD_SUSP_CTRL' bit as per ISP1301 this bit is reserved in
+			// ISP1302, setting it will cause problems.
+			// also as we have cleared Control register 2 (above) we must reset the
+			// reserved BI_DI bit otherwise it will not work.
+			phy_write(
+				PHY_MODE_CONTROL_X_SET,
+				ISP1301_MODE_CONTROL_X_BI_DI | PHY_MODE_CONTROL_X_PSW_OE
+			);
+
+			// ISP1302 has an additonal register we should initialise it..
+			phy_write(ISP1302_MISC_CONTROL_CLEAR, 0xff);
+			phy_write(ISP1302_MISC_CONTROL_SET, ISP1302_MISC_CONTROL_UART_2V8_EN);
+			break;
+
+		case STOTG04E_PRODUCT_ID:
+			phy_write(
+				PHY_MODE_CONTROL_X_SET,
+				STOTG04E_MODE_CONTROL_X_BI_DI | PHY_MODE_CONTROL_X_PSW_OE
+			);
+			break;
+
+		default:
+			BSD_ASSERT_SC(RTEMS_UNSATISFIED);
+			break;
+	}
+
+	phy_write(PHY_OTG_CONTROL_CLEAR, 0xff);
+	phy_write(PHY_MODE_CONTROL_1_SET, PHY_MODE_CONTROL_1_DAT_SE0);
+	phy_write(PHY_OTG_CONTROL_SET, PHY_OTG_CONTROL_DM_PULLDOWN | PHY_OTG_CONTROL_DP_PULLDOWN);
+	phy_write(PHY_INTERRUPT_LATCH_CLEAR, 0xff);
+	phy_write(PHY_INTERRUPT_ENABLE_LOW_CLEAR, 0xff);
+	phy_write(PHY_INTERRUPT_ENABLE_HIGH_CLEAR, 0xff);
+}
+
+static void
+phy_vbus_on(void)
+{
+	phy_write(PHY_OTG_CONTROL_SET, PHY_OTG_CONTROL_VBUS_DRV);
+}
+
+static int
+ohci_lpc32xx_suspend(device_t self)
+{
+	ohci_softc_t *e = device_get_softc(self);
+	int eno = bus_generic_suspend(self);
+
+	if (eno != 0) {
+		return (eno);
+	}
+
+	ohci_suspend(e);
+
+	return (0);
+}
+
+static int
+ohci_lpc32xx_resume(device_t self)
+{
+	ohci_softc_t *e = device_get_softc(self);
+
+	ohci_resume(e);
+
+	bus_generic_resume(self);
+
+	return (0);
+}
+
+
+static int
+ohci_lpc32xx_probe(device_t self)
+{
+	device_set_desc(self, "LPC32XX OHCI controller");
+
+	return (0);
+}
+
+static int
+ohci_lpc32xx_detach(device_t self)
+{
+	BSD_PRINTF("FIXME\n");
+
+	return (0);
+}
+
+static int
+ohci_lpc32xx_attach(device_t self)
+{
+	rtems_status_code sc = RTEMS_SUCCESSFUL;
+	ohci_softc_t *e = device_get_softc(self);
+	usb_error_t ue = USB_ERR_NORMAL_COMPLETION;
+	int eno = 0;
+
+	memset(e, 0, sizeof(*e));
+
+	/* Initialize some bus fields */
+	e->sc_bus.parent = self;
+	e->sc_bus.devices = e->sc_devices;
+	e->sc_bus.devices_max = OHCI_MAX_DEVICES;
+
+	/* Get all DMA memory */
+	if (usb_bus_mem_alloc_all(&e->sc_bus, USB_GET_DMA_TAG(self), &ohci_iterate_hw_softc)) {
+		return (ENOMEM);
+	}
+	e->sc_dev = self;
+
+	/* Child device */
+	e->sc_bus.bdev = device_add_child(self, "usbus", -1);
+	if (e->sc_bus.bdev == NULL) {
+		device_printf(self, "Could not add USB device\n");
+		goto error;
+	}
+	device_set_ivars(e->sc_bus.bdev, &e->sc_bus);
+	device_set_desc(e->sc_bus.bdev, "LPC32XX OHCI bus");
+	snprintf(e->sc_vendor, sizeof(e->sc_vendor), "NXP");
+
+	/* Register space */
+	e->sc_io_tag = 0U;
+	e->sc_io_hdl = LPC32XX_BASE_USB;
+	e->sc_io_size = 0x5cU;
+
+	/* Enable USB PLL */
+	LPC32XX_USB_DIV = 0xc;
+	LPC32XX_USB_CTRL = USB_CTRL_SLAVE_HCLK_EN
+		| USB_CTRL_PC_BUS_KEEPER
+		| USB_CTRL_CLKEN1
+		| USB_CTRL_POWER_UP
+		| USB_CTRL_P_2
+		| USB_CTRL_N_1
+		| (191U << USB_CTRL_M_SHIFT);
+	while ((LPC32XX_USB_CTRL & USB_CTRL_PLL_LOCK) == 0) {
+		/* Wait */
+	}
+	LPC32XX_USB_CTRL |= USB_CTRL_CLKEN2;
+
+	/* Enable USB host and AHB clocks */
+	LPC32XX_OTG_CLK_CTRL = 0x1c;
+	while ((LPC32XX_OTG_CLK_STAT & 0x1c) != 0x1c) {
+		/* Wait */
+	}
+
+	phy_configure();
+
+	LPC32XX_USB_CTRL |= USB_CTRL_HOST_NEED_CLK_EN;
+
+	LPC32XX_OTG_CLK_CTRL = 0x1d;
+	while ((LPC32XX_OTG_CLK_STAT & 0x1d) != 0x1d) {
+		/* Wait */
+	}
+
+	/* Set OTG Status and Control Register */
+	LPC32XX_OTG_STAT_CTRL = 0x1;
+
+	phy_vbus_on();
+
+	/* Install interrupt handler */
+	sc = rtems_interrupt_server_handler_install(
+		RTEMS_ID_NONE,
+		LPC32XX_IRQ_USB_HOST,
+		"USB",
+		RTEMS_INTERRUPT_UNIQUE,
+		(rtems_interrupt_handler) ohci_interrupt,
+		e
+	);
+	BSD_ASSERT_SC(sc);
+
+	/* OHCI intitialization */
+	ue = ohci_init(e);
+	if (ue != USB_ERR_NORMAL_COMPLETION) {
+		goto error;
+	}
+
+	/* Probe and attach child */
+	eno = device_probe_and_attach(e->sc_bus.bdev);
+	if (eno != 0) {
+		goto error;
+	}
+
+	return (0);
+
+error:
+	ohci_lpc32xx_detach(self);
+	return (ENXIO);
+}
+
+static device_method_t ohci_methods [] = {
+	/* Device interface */
+	DEVMETHOD(device_probe, ohci_lpc32xx_probe),
+	DEVMETHOD(device_attach, ohci_lpc32xx_attach),
+	DEVMETHOD(device_detach, ohci_lpc32xx_detach),
+	DEVMETHOD(device_suspend, ohci_lpc32xx_suspend),
+	DEVMETHOD(device_resume, ohci_lpc32xx_resume),
+	DEVMETHOD(device_shutdown, bus_generic_shutdown),
+
+	/* Bus interface */
+	DEVMETHOD(bus_print_child, bus_generic_print_child),
+
+	{0, 0}
+};
+
+static driver_t ohci_driver = {
+	.name = "ohci",
+	.methods = ohci_methods,
+	.size = sizeof(struct ohci_softc)
+};
+
+static devclass_t ohci_devclass;
+
+DRIVER_MODULE(ohci, nexus, ohci_driver, ohci_devclass, 0, 0);
+MODULE_DEPEND(ohci, usb, 1, 1, 1);
+
+#endif /* LIBBSP_ARM_LPC32XX_BSP_H */




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