Module Name: src
Committed By: skrll
Date: Thu Sep 5 20:49:25 UTC 2013
Added Files:
src/sys/arch/arm/broadcom: bcm2835_dwctwo.c
Log Message:
RPI DWC2 glue.
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 src/sys/arch/arm/broadcom/bcm2835_dwctwo.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Added files:
Index: src/sys/arch/arm/broadcom/bcm2835_dwctwo.c
diff -u /dev/null src/sys/arch/arm/broadcom/bcm2835_dwctwo.c:1.1
--- /dev/null Thu Sep 5 20:49:25 2013
+++ src/sys/arch/arm/broadcom/bcm2835_dwctwo.c Thu Sep 5 20:49:25 2013
@@ -0,0 +1,167 @@
+/* $NetBSD: bcm2835_dwctwo.c,v 1.1 2013/09/05 20:49:25 skrll Exp $ */
+
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Nick Hudson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: bcm2835_dwctwo.c,v 1.1 2013/09/05 20:49:25 skrll Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/mutex.h>
+#include <sys/bus.h>
+#include <sys/workqueue.h>
+
+#include <arm/broadcom/bcm2835reg.h>
+#include <arm/broadcom/bcm_amba.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdivar.h>
+#include <dev/usb/usb_mem.h>
+
+#include <dwc2/dwc2var.h>
+
+#include <dwc2/dwc2.h>
+#include "dwc2_core.h"
+
+struct bcmdwc2_softc {
+ struct dwc2_softc sc_dwc2;
+
+ void *sc_ih;
+};
+
+static struct dwc2_core_params bcmdwc2_params = {
+ .otg_cap = 0, /* HNP/SRP capable */
+ .otg_ver = 0, /* 1.3 */
+ .dma_enable = 1,
+ .dma_desc_enable = 0,
+ .speed = 0, /* High Speed */
+ .enable_dynamic_fifo = 1,
+ .en_multiple_tx_fifo = 1,
+ .host_rx_fifo_size = 774, /* 774 DWORDs */
+ .host_nperio_tx_fifo_size = 256, /* 256 DWORDs */
+ .host_perio_tx_fifo_size = 512, /* 512 DWORDs */
+ .max_transfer_size = 65535,
+ .max_packet_count = 511,
+ .host_channels = 8,
+ .phy_type = 1, /* UTMI */
+ .phy_utmi_width = 8, /* 8 bits */
+ .phy_ulpi_ddr = 0, /* Single */
+ .phy_ulpi_ext_vbus = 0,
+ .i2c_enable = 0,
+ .ulpi_fs_ls = 0,
+ .host_support_fs_ls_low_power = 0,
+ .host_ls_low_power_phy_clk = 0, /* 48 MHz */
+ .ts_dline = 0,
+ .reload_ctl = 0,
+ .ahbcfg = 0x10,
+ .uframe_sched = 1,
+};
+
+static int bcmdwc2_match(device_t, struct cfdata *, void *);
+static void bcmdwc2_attach(device_t, device_t, void *);
+static void bcmdwc2_deferred(device_t);
+
+CFATTACH_DECL_NEW(bcmdwctwo, sizeof(struct bcmdwc2_softc),
+ bcmdwc2_match, bcmdwc2_attach, NULL, NULL);
+
+/* ARGSUSED */
+static int
+bcmdwc2_match(device_t parent, struct cfdata *match, void *aux)
+{
+ struct amba_attach_args *aaa = aux;
+
+ if (strcmp(aaa->aaa_name, "dwctwo") != 0)
+ return 0;
+
+ return 1;
+}
+
+/* ARGSUSED */
+static void
+bcmdwc2_attach(device_t parent, device_t self, void *aux)
+{
+ struct bcmdwc2_softc *sc = device_private(self);
+ struct amba_attach_args *aaa = aux;
+ int error;
+
+ sc->sc_dwc2.sc_dev = self;
+
+ sc->sc_dwc2.sc_iot = aaa->aaa_iot;
+ sc->sc_dwc2.sc_bus.dmatag = aaa->aaa_dmat;
+ sc->sc_dwc2.sc_params = &bcmdwc2_params;
+
+ error = bus_space_map(aaa->aaa_iot, aaa->aaa_addr, aaa->aaa_size, 0,
+ &sc->sc_dwc2.sc_ioh);
+ if (error) {
+ aprint_error_dev(self,
+ "can't map registers for %s: %d\n", aaa->aaa_name, error);
+ return;
+ }
+
+ aprint_naive(": USB controller\n");
+ aprint_normal(": USB controller\n");
+
+ sc->sc_ih = bcm2835_intr_establish(aaa->aaa_intr, IPL_USB,
+ dwc2_intr, &sc->sc_dwc2);
+
+ if (sc->sc_ih == NULL) {
+ aprint_error_dev(self, "failed to establish interrupt %d\n",
+ aaa->aaa_intr);
+ goto fail;
+ }
+ config_defer(self, bcmdwc2_deferred);
+
+ return;
+
+fail:
+ if (sc->sc_ih) {
+ intr_disestablish(sc->sc_ih);
+ sc->sc_ih = NULL;
+ }
+ bus_space_unmap(sc->sc_dwc2.sc_iot, sc->sc_dwc2.sc_ioh, aaa->aaa_size);
+}
+
+static void
+bcmdwc2_deferred(device_t self)
+{
+ struct bcmdwc2_softc *sc = device_private(self);
+ int error;
+
+ error = dwc2_init(&sc->sc_dwc2);
+ if (error != 0) {
+ aprint_error_dev(self, "couldn't initialize host, error=%d\n",
+ error);
+ return;
+ }
+ sc->sc_dwc2.sc_child = config_found(sc->sc_dwc2.sc_dev,
+ &sc->sc_dwc2.sc_bus, usbctlprint);
+}
