1 /*- 2 * Copyright (c) 2013 Ruslan Bukin <br@bsdpad.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include "opt_ddb.h" 28 #include "opt_platform.h" 29 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #define _ARM32_BUS_DMA_PRIVATE 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/bus.h> 37 38 #include <vm/vm.h> 39 40 #include <machine/armreg.h> 41 #include <machine/bus.h> 42 #include <machine/devmap.h> 43 #include <machine/machdep.h> 44 45 #include <dev/fdt/fdt_common.h> 46 47 vm_offset_t 48 initarm_lastaddr(void) 49 { 50 51 return (arm_devmap_lastaddr()); 52 } 53 54 void 55 initarm_early_init(void) 56 { 57 58 } 59 60 void 61 initarm_gpio_init(void) 62 { 63 64 } 65 66 void 67 initarm_late_init(void) 68 { 69 70 } 71 72 int 73 initarm_devmap_init(void) 74 { 75 76 arm_devmap_add_entry(0x40000000, 0x100000); 77 78 return (0); 79 } 80 81 struct arm32_dma_range * 82 bus_dma_get_range(void) 83 { 84 85 return (NULL); 86 } 87 88 int 89 bus_dma_get_range_nb(void) 90 { 91 92 return (0); 93 } 94