110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
/*-
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* Copyright (c) 2013 Ruslan Bukin <br@bsdpad.com>
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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_ddb.h"
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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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#define _ARM32_BUS_DMA_PRIVATE
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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 <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/frame.h> /* For trapframe_t, used in <machine/machdep.h> */
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#include <machine/machdep.h>
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#include <machine/pmap.h>
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#include <dev/fdt/fdt_common.h>
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#define DEVMAP_BOOTSTRAP_MAP_START 0xF0000000
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extern int unmapped_buf_allowed;
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vm_offset_t
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initarm_lastaddr(void)
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{
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return (DEVMAP_BOOTSTRAP_MAP_START - ARM_NOCACHE_KVA_SIZE);
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}
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void
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initarm_gpio_init(void)
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{
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}
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void
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initarm_late_init(void)
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{
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/* XXX: PR arm/180080 */
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unmapped_buf_allowed = 0;
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}
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#define FDT_DEVMAP_MAX (1 + 2 + 1 + 1) /* FIXME */
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static struct pmap_devmap fdt_devmap[FDT_DEVMAP_MAX] = {
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{ 0, 0, 0, 0, 0, }
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};
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/*
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* Construct pmap_devmap[] with DT-derived config data.
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*/
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int
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platform_devmap_init(void)
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{
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int i;
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i = 0;
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fdt_devmap[i].pd_va = 0xf2C00000;
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fdt_devmap[i].pd_pa = 0x12C00000;
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fdt_devmap[i].pd_size = 0x100000;
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fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
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fdt_devmap[i].pd_cache = PTE_NOCACHE;
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i++;
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pmap_devmap_bootstrap_table = &fdt_devmap[0];
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return (0);
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}
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struct arm32_dma_range *
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bus_dma_get_range(void)
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{
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return (NULL);
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}
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int
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bus_dma_get_range_nb(void)
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{
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return (0);
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}
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