93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
/* $NetBSD: amdccp_fdt.c,v 1.1 2018/10/19 21:09:10 jakllsch Exp $ */
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/*
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* Copyright (c) 2018 Jonathan A. Kollasch
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: amdccp_fdt.c,v 1.1 2018/10/19 21:09:10 jakllsch Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/bus.h>
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#include <dev/fdt/fdtvar.h>
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#include <dev/ic/amdccpvar.h>
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struct amdccp_fdt_softc {
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struct amdccp_softc sc_sc;
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};
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static int amdccp_fdt_match(device_t, cfdata_t, void *);
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static void amdccp_fdt_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(amdccp_fdt, sizeof(struct amdccp_fdt_softc),
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amdccp_fdt_match, amdccp_fdt_attach, NULL, NULL);
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static const struct of_compat_data compat_data[] = {
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{ "amd,ccp-seattle-v1a", },
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{ NULL }
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};
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static int
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amdccp_fdt_match(device_t parent, cfdata_t cf, void *aux)
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{
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const struct fdt_attach_args * const faa = aux;
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return of_match_compat_data(faa->faa_phandle, compat_data);
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}
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static void
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amdccp_fdt_attach(device_t parent, device_t self, void *aux)
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{
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struct amdccp_fdt_softc * const fsc = device_private(self);
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struct amdccp_softc * const sc = &fsc->sc_sc;
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const struct fdt_attach_args * const faa = aux;
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const int phandle = faa->faa_phandle;
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bus_addr_t addr;
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bus_size_t size;
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fsc->sc_sc.sc_dev = self;
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if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
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aprint_error(": couldn't get registers\n");
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return;
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}
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sc->sc_bst = faa->faa_bst;
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if (bus_space_map(sc->sc_bst, addr, size, 0, &sc->sc_bsh) != 0) {
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aprint_error(": couldn't map registers\n");
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return;
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}
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aprint_naive("\n");
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aprint_normal(": AMD CCP\n");
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amdccp_common_attach(sc);
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}
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