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/* $OpenBSD: pluart_fdt.c,v 1.1 2018/07/02 12:46:20 kettenis Exp $ */
/*
* Copyright (c) 2014 Patrick Wildt <patrick@blueri.se>
* Copyright (c) 2005 Dale Rahn <drahn@dalerahn.com>
*
* 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/tty.h>
#include <machine/bus.h>
#include <machine/fdt.h>
#include <dev/ic/pluartvar.h>
#include <dev/ofw/fdt.h>
#include <dev/ofw/openfirm.h>
int pluart_fdt_match(struct device *, void *, void *);
void pluart_fdt_attach(struct device *, struct device *, void *);
struct cfattach pluart_fdt_ca = {
sizeof(struct pluart_softc), pluart_fdt_match, pluart_fdt_attach
};
void
pluart_init_cons(void)
{
struct fdt_reg reg;
void *node;
if ((node = fdt_find_cons("arm,pl011")) == NULL)
return;
if (fdt_get_reg(node, 0, ®))
return;
pluartcnattach(fdt_cons_bs_tag, reg.addr, B115200, TTYDEF_CFLAG);
}
int
pluart_fdt_match(struct device *parent, void *self, void *aux)
{
struct fdt_attach_args *faa = aux;
return OF_is_compatible(faa->fa_node, "arm,pl011");
}
void
pluart_fdt_attach(struct device *parent, struct device *self, void *aux)
{
struct fdt_attach_args *faa = aux;
struct pluart_softc *sc = (struct pluart_softc *) self;
if (faa->fa_nreg < 1) {
printf(": no registers\n");
return;
}
sc->sc_irq = arm_intr_establish_fdt(faa->fa_node, IPL_TTY, pluart_intr,
sc, sc->sc_dev.dv_xname);
sc->sc_iot = faa->fa_iot;
if (bus_space_map(sc->sc_iot, faa->fa_reg[0].addr, faa->fa_reg[0].size,
0, &sc->sc_ioh))
panic("pluartattach: bus_space_map failed!");
pluart_attach_common(sc, stdout_node == faa->fa_node);
}
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