New USB device specific controller files

1 files changed, 286 insertions, 0 deletions

diff --git a/rtemsbsd/dev/usb/controller/ehci_mpc83xx.c b/rtemsbsd/dev/usb/controller/ehci_mpc83xx.c
new file mode 100644
index 00000000..88952e5f
--- /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@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) */