93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
/* $NetBSD: l2cc_fdt.c,v 1.3 2021/01/27 03:10:19 thorpej Exp $ */
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/*
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* Copyright (c) 2018 Genetec Corporation. All rights reserved.
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* Written by Hashimoto Kenichi for Genetec Corporation.
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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 GENETEC CORPORATION ``AS IS'' AND
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* 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 GENETEC CORPORATION
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: l2cc_fdt.c,v 1.3 2021/01/27 03:10:19 thorpej Exp $");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/device.h>
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#include <sys/intr.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/kmem.h>
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#include <arm/cortex/mpcore_var.h>
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#include <dev/fdt/fdtvar.h>
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#include <arm/fdt/arm_fdtvar.h>
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static int l2cc_fdt_match(device_t, cfdata_t, void *);
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static void l2cc_fdt_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(l2cc_fdt, 0, l2cc_fdt_match, l2cc_fdt_attach, NULL, NULL);
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static const struct device_compatible_entry compat_data[] = {
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{ .compat = "arm,pl310-cache" },
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DEVICE_COMPAT_EOL
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};
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static int
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l2cc_fdt_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct fdt_attach_args * const faa = aux;
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return of_compatible_match(faa->faa_phandle, compat_data);
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}
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static void
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l2cc_fdt_attach(device_t parent, device_t self, void *aux)
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{
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struct fdt_attach_args * const faa = aux;
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const int phandle = faa->faa_phandle;
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bus_space_handle_t bsh;
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bus_addr_t addr;
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bus_size_t size;
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if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
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aprint_error(": couldn't get distributor address\n");
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return;
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}
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if (bus_space_map(faa->faa_bst, addr, size, 0, &bsh)) {
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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("\n");
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struct mpcore_attach_args mpcaa = {
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.mpcaa_name = "arml2cc",
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.mpcaa_memt = faa->faa_bst,
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.mpcaa_memh = bsh,
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.mpcaa_off1 = 0,
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.mpcaa_off2 = 0,
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};
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config_found(self, &mpcaa, NULL);
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}
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