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
|
/* $OpenBSD: palm_hdd.c,v 1.2 2009/09/09 11:30:56 marex Exp $ */
/*
* Copyright (c) 2009 Marek Vasut <marex@openbsd.org>
*
* 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/device.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <machine/bus.h>
#include <machine/palm_var.h>
#include <dev/ata/atavar.h>
#include <dev/ic/wdcvar.h>
#include <arch/arm/xscale/pxa2x0_gpio.h>
#include <arch/arm/xscale/pxa2x0var.h>
struct palm_hdd_softc {
struct wdc_softc sc_wdcdev;
struct channel_softc sc_channel;
void *sc_ih;
};
int palm_hdd_match(struct device *, void *, void *);
void palm_hdd_attach(struct device *, struct device *, void *);
struct cfattach palm_hdd_ca = {
sizeof(struct palm_hdd_softc),
palm_hdd_match,
palm_hdd_attach,
};
int palm_hdd_match(struct device *parent, void *match, void *aux)
{
return mach_is_palmld;
}
void palm_hdd_attach(struct device *parent, struct device *self, void *aux)
{
struct palm_hdd_softc *sc = (void *)self;
struct channel_softc *chp = &sc->sc_channel;
struct pxaip_attach_args *pxa = aux;
int ret;
chp->cmd_iot = pxa->pxa_iot;
chp->ctl_iot = pxa->pxa_iot;
ret = bus_space_map(chp->cmd_iot, 0x20000010, WDC_NREG,
0, &chp->cmd_ioh);
if (ret) {
printf(": Failed mapping CMD register\n");
return;
}
ret = bus_space_map(chp->ctl_iot, 0x2000000e, 2, 0, &chp->ctl_ioh);
if (ret) {
printf(": Failed mapping CTL register\n");
return;
}
sc->sc_ih = pxa2x0_gpio_intr_establish(95, IST_EDGE_BOTH, IPL_BIO, wdcintr, chp, self->dv_xname);
pxa2x0_gpio_set_bit(115); /* PWEN */
pxa2x0_gpio_clear_bit(98); /* RESET */
delay(50);
pxa2x0_gpio_set_bit(98); /* RESET */
delay(50);
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DMA | WDC_CAPABILITY_SINGLE_DRIVE/* | WDC_CAPABILITY_IRQACK*/;
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.channels = &chp;
sc->sc_wdcdev.nchannels = 1;
chp->channel = 0;
chp->wdc = &sc->sc_wdcdev;
chp->ch_queue = malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT);
printf("\n");
wdcattach(chp);
wdc_print_current_modes(chp);
}
|
