cca48a59de
implementations. Early in the boot the kernel will use an approximate, however after the timer has been probed it will switch to a more accurate implementation. Reviewed by: manu Sponsored by: ABT Systems Ltd Differential Revision: https://reviews.freebsd.org/D5762
105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/*-
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* Copyright (c) 2013 Ian Lepore <ian@freebsd.org>
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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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#include "opt_platform.h"
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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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/reboot.h>
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#include <sys/devmap.h>
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#include <vm/vm.h>
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#include <machine/bus.h>
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#include <machine/machdep.h>
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#include <machine/platformvar.h>
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#include <arm/freescale/imx/imx_machdep.h>
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#include "platform_if.h"
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static vm_offset_t
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imx51_lastaddr(platform_t plat)
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{
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return (devmap_lastaddr());
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}
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static int
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imx51_attach(platform_t plat)
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{
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/* XXX - Get rid of this stuff soon. */
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boothowto |= RB_VERBOSE|RB_MULTIPLE;
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bootverbose = 1;
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return (0);
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}
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/*
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* Set up static device mappings. This is hand-optimized platform-specific
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* config data which covers most of the common on-chip devices with a few 1MB
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* section mappings.
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*
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* Notably missing are entries for GPU, IPU, in general anything video related.
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*/
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static int
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imx51_devmap_init(platform_t plat)
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{
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devmap_add_entry(0x70000000, 0x00100000);
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devmap_add_entry(0x73f00000, 0x00100000);
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devmap_add_entry(0x83f00000, 0x00100000);
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return (0);
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}
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void
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cpu_reset(void)
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{
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imx_wdog_cpu_reset(0x73F98000);
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}
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u_int imx_soc_type()
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{
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return (IMXSOC_51);
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}
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static platform_method_t imx51_methods[] = {
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PLATFORMMETHOD(platform_attach, imx51_attach),
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PLATFORMMETHOD(platform_devmap_init, imx51_devmap_init),
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PLATFORMMETHOD(platform_lastaddr, imx51_lastaddr),
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PLATFORMMETHOD_END,
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};
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FDT_PLATFORM_DEF(imx51, "i.MX51", 0, "fsl,imx51", 0);
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