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("$FreeBSD$"); 36 37 #define _ARM32_BUS_DMA_PRIVATE 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/bus.h> 41 42 #include <vm/vm.h> 43 44 #include <machine/armreg.h> 45 #include <machine/bus.h> 46 #include <machine/devmap.h> 47 #include <machine/machdep.h> 48 #include <machine/platform.h> 49 50 vm_offset_t 51 platform_lastaddr(void) 52 { 53 54 return (arm_devmap_lastaddr()); 55 } 56 57 void 58 platform_probe_and_attach(void) 59 { 60 61 } 62 63 void 64 platform_gpio_init(void) 65 { 66 67 } 68 69 void 70 platform_late_init(void) 71 { 72 73 } 74 75 int 76 platform_devmap_init(void) 77 { 78 79 /* UART */ 80 arm_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 arm_devmap_add_entry(0xffb00000, 0x100000); 91 92 /* dwmmc */ 93 arm_devmap_add_entry(0xff700000, 0x100000); 94 95 /* scu */ 96 arm_devmap_add_entry(0xfff00000, 0x100000); 97 98 /* FPGA memory window, 256MB */ 99 arm_devmap_add_entry(0xd0000000, 0x10000000); 100 101 return (0); 102 } 103 104 struct arm32_dma_range * 105 bus_dma_get_range(void) 106 { 107 108 return (NULL); 109 } 110 111 int 112 bus_dma_get_range_nb(void) 113 { 114 115 return (0); 116 } 117