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: stable/11/sys/arm/altera/socfpga/socfpga_machdep.c 314506 2017-03-01 19:55:04Z ian $"); 36 37#include <sys/param.h> 38#include <sys/systm.h> 39#include <sys/bus.h> 40#include <sys/devmap.h> 41 42#include <vm/vm.h> 43 44#include <machine/armreg.h> 45#include <machine/bus.h> 46#include <machine/machdep.h> 47#include <machine/platform.h> 48 49vm_offset_t 50platform_lastaddr(void) 51{ 52 53 return (devmap_lastaddr()); 54} 55 56void 57platform_probe_and_attach(void) 58{ 59 60} 61 62void 63platform_gpio_init(void) 64{ 65 66} 67 68void 69platform_late_init(void) 70{ 71 72} 73 74int 75platform_devmap_init(void) 76{ 77 78 /* UART */ 79 devmap_add_entry(0xffc00000, 0x100000); 80 81 /* 82 * USB OTG 83 * 84 * We use static device map for USB due to some bug in the Altera 85 * which throws Translation Fault (P) exception on high load. 86 * It might be caused due to some power save options being turned 87 * on or something else. 88 */ 89 devmap_add_entry(0xffb00000, 0x100000); 90 91 /* dwmmc */ 92 devmap_add_entry(0xff700000, 0x100000); 93 94 /* scu */ 95 devmap_add_entry(0xfff00000, 0x100000); 96 97 /* FPGA memory window, 256MB */ 98 devmap_add_entry(0xd0000000, 0x10000000); 99 100 return (0); 101} 102