socfpga_machdep.c revision 298627
1/*- 2 * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com> 3 * All rights reserved. 4 * 5 * This software was developed by SRI International and the University of 6 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) 7 * ("CTSRD"), as part of the DARPA CRASH research programme. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31#include "opt_ddb.h" 32#include "opt_platform.h" 33 34#include <sys/cdefs.h> 35__FBSDID("$FreeBSD: head/sys/arm/altera/socfpga/socfpga_machdep.c 298627 2016-04-26 11:53:37Z br $"); 36 37#define _ARM32_BUS_DMA_PRIVATE 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/bus.h> 41#include <sys/devmap.h> 42 43#include <vm/vm.h> 44 45#include <machine/armreg.h> 46#include <machine/bus.h> 47#include <machine/machdep.h> 48#include <machine/platform.h> 49 50vm_offset_t 51platform_lastaddr(void) 52{ 53 54 return (devmap_lastaddr()); 55} 56 57void 58platform_probe_and_attach(void) 59{ 60 61} 62 63void 64platform_gpio_init(void) 65{ 66 67} 68 69void 70platform_late_init(void) 71{ 72 73} 74 75int 76platform_devmap_init(void) 77{ 78 79 /* UART */ 80 devmap_add_entry(0xffc00000, 0x100000); 81 82 /* 83 * USB OTG 84 * 85 * We use static device map for USB due to some bug in the Altera 86 * which throws Translation Fault (P) exception on high load. 87 * It might be caused due to some power save options being turned 88 * on or something else. 89 */ 90 devmap_add_entry(0xffb00000, 0x100000); 91 92 /* dwmmc */ 93 devmap_add_entry(0xff700000, 0x100000); 94 95 /* scu */ 96 devmap_add_entry(0xfff00000, 0x100000); 97 98 /* FPGA memory window, 256MB */ 99 devmap_add_entry(0xd0000000, 0x10000000); 100 101 return (0); 102} 103 104struct arm32_dma_range * 105bus_dma_get_range(void) 106{ 107 108 return (NULL); 109} 110 111int 112bus_dma_get_range_nb(void) 113{ 114 115 return (0); 116} 117