/* $NetBSD: amdccp_fdt.c,v 1.6.18.1 2022/12/19 11:37:15 martin Exp $ */ /* * Copyright (c) 2018 Jonathan A. Kollasch * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: amdccp_fdt.c,v 1.6.18.1 2022/12/19 11:37:15 martin Exp $"); #include #include #include #include #include #include struct amdccp_fdt_softc { struct amdccp_softc sc_sc; }; static int amdccp_fdt_match(device_t, cfdata_t, void *); static void amdccp_fdt_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(amdccp_fdt, sizeof(struct amdccp_fdt_softc), amdccp_fdt_match, amdccp_fdt_attach, NULL, NULL); static const struct device_compatible_entry compat_data[] = { { .compat = "amd,ccp-seattle-v1a" }, DEVICE_COMPAT_EOL }; static int amdccp_fdt_match(device_t parent, cfdata_t cf, void *aux) { const struct fdt_attach_args * const faa = aux; return of_compatible_match(faa->faa_phandle, compat_data); } static void amdccp_fdt_attach(device_t parent, device_t self, void *aux) { struct amdccp_fdt_softc * const fsc = device_private(self); struct amdccp_softc * const sc = &fsc->sc_sc; const struct fdt_attach_args * const faa = aux; const int phandle = faa->faa_phandle; bus_addr_t addr; bus_size_t size; fsc->sc_sc.sc_dev = self; if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) { aprint_error(": couldn't get registers\n"); return; } sc->sc_bst = faa->faa_bst; if (bus_space_map(sc->sc_bst, addr, size, 0, &sc->sc_bsh) != 0) { aprint_error(": couldn't map registers\n"); return; } aprint_naive("\n"); aprint_normal(": AMD CCP\n"); amdccp_common_attach(sc); pmf_device_register(self, NULL, NULL); }