/* $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); }