101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2013 Thomas Skibo
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Machine dependent code for Xilinx Zynq-7000 Soc.
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*
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* Reference: Zynq-7000 All Programmable SoC Technical Reference Manual.
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* (v1.4) November 16, 2012. Xilinx doc UG585.
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*/
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#include "opt_platform.h"
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#include <sys/cdefs.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/devmap.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/bus.h>
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#include <machine/machdep.h>
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#include <machine/platform.h>
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#include <machine/platformvar.h>
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#include <arm/xilinx/zy7_machdep.h>
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#include <arm/xilinx/zy7_reg.h>
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#include "platform_if.h"
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#include "platform_pl310_if.h"
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void (*zynq7_cpu_reset)(void);
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/*
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* Set up static device mappings. Not strictly necessary -- simplebus will
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* dynamically establish mappings as needed -- but doing it this way gets us
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* nice efficient 1MB section mappings.
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*/
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static int
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zynq7_devmap_init(platform_t plat)
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{
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devmap_add_entry(ZYNQ7_PSIO_HWBASE, ZYNQ7_PSIO_SIZE);
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devmap_add_entry(ZYNQ7_PSCTL_HWBASE, ZYNQ7_PSCTL_SIZE);
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return (0);
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}
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static void
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zynq7_do_cpu_reset(platform_t plat)
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{
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if (zynq7_cpu_reset != NULL)
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(*zynq7_cpu_reset)();
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printf("cpu_reset: no platform cpu_reset. hanging.\n");
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for (;;)
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;
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}
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static platform_method_t zynq7_methods[] = {
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PLATFORMMETHOD(platform_devmap_init, zynq7_devmap_init),
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PLATFORMMETHOD(platform_cpu_reset, zynq7_do_cpu_reset),
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#ifdef SMP
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PLATFORMMETHOD(platform_mp_setmaxid, zynq7_mp_setmaxid),
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PLATFORMMETHOD(platform_mp_start_ap, zynq7_mp_start_ap),
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#endif
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PLATFORMMETHOD(platform_pl310_init, zynq7_pl310_init),
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PLATFORMMETHOD_END,
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};
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FDT_PLATFORM_DEF(zynq7, "zynq7", 0, "xlnx,zynq-7000", 200);
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