/* $OpenBSD: rkgrf.c,v 1.4 2020/09/04 01:10:29 jmatthew Exp $ */ /* * Copyright (c) 2017 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 #include #include #include #include #include #include #include #include #ifdef __armv7__ #include #else #include #endif struct rkgrf_softc { struct simplebus_softc sc_sbus; bus_space_tag_t sc_iot; bus_space_handle_t sc_ioh; }; int rkgrf_match(struct device *, void *, void *); void rkgrf_attach(struct device *, struct device *, void *); struct cfattach rkgrf_ca = { sizeof (struct rkgrf_softc), rkgrf_match, rkgrf_attach }; struct cfdriver rkgrf_cd = { NULL, "rkgrf", DV_DULL }; int rkgrf_match(struct device *parent, void *match, void *aux) { struct fdt_attach_args *faa = aux; return (OF_is_compatible(faa->fa_node, "rockchip,rk3288-grf") || OF_is_compatible(faa->fa_node, "rockchip,rk3288-pmu") || OF_is_compatible(faa->fa_node, "rockchip,rk3288-sgrf") || OF_is_compatible(faa->fa_node, "rockchip,rk3308-grf") || OF_is_compatible(faa->fa_node, "rockchip,rk3399-grf") || OF_is_compatible(faa->fa_node, "rockchip,rk3399-pmugrf")); } void rkgrf_attach(struct device *parent, struct device *self, void *aux) { struct rkgrf_softc *sc = (struct rkgrf_softc *)self; struct fdt_attach_args *faa = aux; if (faa->fa_nreg < 1) { printf(": no registers\n"); return; } 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)) { printf(": can't map registers\n"); return; } printf("\n"); regmap_register(faa->fa_node, sc->sc_iot, sc->sc_ioh, faa->fa_reg[0].size); /* Attach PHYs. */ simplebus_attach(parent, &sc->sc_sbus.sc_dev, faa); }