143 lines
3.7 KiB
C
143 lines
3.7 KiB
C
/*-
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* Copyright (c) 1994-1998 Mark Brinicombe.
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* Copyright (c) 1994 Brini.
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* Copyright (c) 2012, 2013 The FreeBSD Foundation
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* All rights reserved.
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*
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*
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* This code is derived from software written for Brini by Mark Brinicombe
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* Portions of this software were developed by Oleksandr Rybalko
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* under sponsorship from the FreeBSD Foundation.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Brini.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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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* from: FreeBSD: //depot/projects/arm/src/sys/arm/at91/kb920x_machdep.c, rev 45
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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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#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 <sys/reboot.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 IMX51_DEV_VIRT_BASE 0xe0000000
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vm_offset_t
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initarm_lastaddr(void)
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{
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boothowto |= RB_VERBOSE|RB_MULTIPLE;
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bootverbose = 1;
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if (fdt_immr_addr(IMX51_DEV_VIRT_BASE) != 0)
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while (1);
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/* Platform-specific initialisation */
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return (fdt_immr_va - ARM_NOCACHE_KVA_SIZE);
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}
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/*
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* Set initial values of GPIO output ports
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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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}
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#define FDT_DEVMAP_MAX 2
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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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{ 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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/*
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* Map segment where UART1 and UART2 located.
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*/
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fdt_devmap[0].pd_va = IMX51_DEV_VIRT_BASE + 0x03f00000;
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fdt_devmap[0].pd_pa = 0x73f00000;
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fdt_devmap[0].pd_size = 0x00100000;
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fdt_devmap[0].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
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fdt_devmap[0].pd_cache = PTE_NOCACHE;
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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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void
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cpu_reset(void)
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{
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printf("Reset ...\n");
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/* Clear n_reset flag */
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*((volatile u_int16_t *)(IMX51_DEV_VIRT_BASE + 0x03f98000)) =
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(u_int16_t)0;
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while (1);
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}
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