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/* $OpenBSD: if_bse_acpi.c,v 1.3 2020/05/08 11:18:01 kettenis Exp $ */
/*
* Copyright (c) 2020 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 <machine/bus.h>
#include <machine/intr.h>
#include <net/if.h>
#include <net/if_media.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <dev/acpi/acpidev.h>
#include <dev/acpi/amltypes.h>
#include <dev/acpi/dsdt.h>
#include <dev/mii/miivar.h>
#include <dev/ic/bcmgenetvar.h>
struct bse_acpi_softc {
struct genet_softc sc;
struct acpi_softc *sc_acpi;
struct aml_node *sc_node;
};
int bse_acpi_match(struct device *, void *, void *);
void bse_acpi_attach(struct device *, struct device *, void *);
struct cfattach bse_acpi_ca = {
sizeof(struct bse_acpi_softc), bse_acpi_match, bse_acpi_attach
};
const char *bse_hids[] = {
"BCM6E4E",
NULL
};
int
bse_acpi_match(struct device *parent, void *match, void *aux)
{
struct acpi_attach_args *aaa = aux;
struct cfdata *cf = match;
return acpi_matchhids(aaa, bse_hids, cf->cf_driver->cd_name);
}
void
bse_acpi_attach(struct device *parent, struct device *self, void *aux)
{
struct bse_acpi_softc *sc = (struct bse_acpi_softc *)self;
struct acpi_attach_args *aaa = aux;
char phy_mode[16] = { 0 };
int error;
sc->sc_acpi = (struct acpi_softc *)parent;
sc->sc_node = aaa->aaa_node;
printf(" %s", sc->sc_node->name);
if (aaa->aaa_naddr < 1) {
printf(": no registers\n");
return;
}
if (aaa->aaa_nirq < 1) {
printf(": no interrupt\n");
return;
}
printf(" addr 0x%llx/0x%llx", aaa->aaa_addr[0], aaa->aaa_size[0]);
printf(" irq %d", aaa->aaa_irq[0]);
sc->sc.sc_bst = aaa->aaa_bst[0];
sc->sc.sc_dmat = aaa->aaa_dmat;
if (bus_space_map(sc->sc.sc_bst, aaa->aaa_addr[0], aaa->aaa_size[0],
0, &sc->sc.sc_bsh)) {
printf(": can't map registers\n");
return;
}
sc->sc.sc_ih = acpi_intr_establish(aaa->aaa_irq[0],
aaa->aaa_irq_flags[0], IPL_NET, genet_intr,
sc, sc->sc.sc_dev.dv_xname);
if (sc->sc.sc_ih == NULL) {
printf(": can't establish interrupt\n");
goto unmap;
}
/*
* UEFI firmware initializes the hardware MAC address
* registers. Read them here before we reset the hardware.
*/
genet_lladdr_read(&sc->sc, sc->sc.sc_lladdr);
acpi_getprop(sc->sc_node, "phy-mode", phy_mode, sizeof(phy_mode));
if (strcmp(phy_mode, "rgmii-id") == 0)
sc->sc.sc_phy_mode = GENET_PHY_MODE_RGMII_ID;
else if (strcmp(phy_mode, "rgmii-rxid") == 0)
sc->sc.sc_phy_mode = GENET_PHY_MODE_RGMII_RXID;
else if (strcmp(phy_mode, "rgmii-txid") == 0)
sc->sc.sc_phy_mode = GENET_PHY_MODE_RGMII_TXID;
else
sc->sc.sc_phy_mode = GENET_PHY_MODE_RGMII;
sc->sc.sc_phy_id = MII_PHY_ANY;
error = genet_attach(&sc->sc);
if (error)
goto disestablish;
return;
disestablish:
#ifdef notyet
acpi_intr_disestablish(sc->sc.sc_ih);
#endif
unmap:
bus_space_unmap(sc->sc.sc_bst, sc->sc.sc_bsh, aaa->aaa_size[0]);
}
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