summaryrefslogtreecommitdiff
path: root/sys/arch/socppc/dev/ehci_obio.c
blob: 93039e455331bae3443fe83f1b6a518baa1a8d91 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
/*	$OpenBSD: ehci_obio.c,v 1.1 2008/05/10 12:02:20 kettenis Exp $	*/

/*
 * Copyright (c) 2008 Mark Kettenis
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/rwlock.h>
#include <sys/timeout.h>

#include <machine/autoconf.h>

#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>
#include <dev/usb/usb_mem.h>

#include <dev/usb/ehcireg.h>
#include <dev/usb/ehcivar.h>

#include <dev/pci/pcidevs.h>

int	ehci_obio_match(struct device *, void *, void *);
void	ehci_obio_attach(struct device *, struct device *, void *);

struct cfattach ehci_obio_ca = {
	sizeof(struct ehci_softc), ehci_obio_match, ehci_obio_attach
};

struct cfdriver ehci_obio_cd = {
	NULL, "ehci", DV_DULL
};

struct powerpc_bus_dma_tag ehci_bus_dma_tag = {
	NULL,
	_dmamap_create,
	_dmamap_destroy,
	_dmamap_load,
	_dmamap_load_mbuf,
	_dmamap_load_uio,
	_dmamap_load_raw,
	_dmamap_unload,
	_dmamap_sync,
	_dmamem_alloc,
	_dmamem_free,
	_dmamem_map,
	_dmamem_unmap,
	_dmamem_mmap
};

int
ehci_obio_match(struct device *parent, void *cfdata, void *aux)
{
	return (1);
}

void
ehci_obio_attach(struct device *parent, struct device *self, void *aux)
{
	struct ehci_softc *sc = (void *)self;
	struct obio_attach_args *oa = aux;
	usbd_status r;
	int s;

	sc->iot = oa->oa_iot;
	sc->sc_size = 1024;
	if (bus_space_map(sc->iot, oa->oa_offset, sc->sc_size, 0, &sc->ioh)) {
		printf(": can't map registers\n");
		return;
	}

	sc->sc_id_vendor = PCI_VENDOR_FREESCALE;
	strlcpy(sc->sc_vendor, "Freescale", sizeof sc->sc_vendor);

	sc->sc_bus.dmatag = &ehci_bus_dma_tag;

	bus_space_write_4(sc->iot, sc->ioh, 0x400, 0x04000000);
	bus_space_write_4(sc->iot, sc->ioh, 0x300, 0x1e000000);

	s = splhardusb();
	sc->sc_offs = EREAD1(sc, EHCI_CAPLENGTH);
	EOWRITE2(sc, EHCI_USBINTR, 0);

	intr_establish(oa->oa_ivec, IST_LEVEL, IPL_USB, ehci_intr, sc,
	    sc->sc_bus.bdev.dv_xname);

	r = ehci_init(sc);
	if (r != USBD_NORMAL_COMPLETION) {
		printf(": init failed, error=%d\n", r);
		goto unmap_ret;
	}
	splx(s);

	printf("\n");

	/* Attach usb device. */
	sc->sc_child = config_found((void *)sc, &sc->sc_bus, usbctlprint);

	return;

unmap_ret:
	bus_space_unmap(sc->iot, sc->ioh, sc->sc_size);
	splx(s);
}