1/*- 2 * Copyright (c) 2013 Thomas Skibo 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 * $FreeBSD: releng/10.3/sys/arm/xilinx/zy7_machdep.c 266379 2014-05-17 23:25:20Z ian $ 27 */ 28 29/* 30 * Machine dependent code for Xilinx Zynq-7000 Soc. 31 * 32 * Reference: Zynq-7000 All Programmable SoC Technical Reference Manual. 33 * (v1.4) November 16, 2012. Xilinx doc UG585. 34 */ 35 36#include "opt_global.h" 37 38#include <sys/cdefs.h> 39__FBSDID("$FreeBSD: releng/10.3/sys/arm/xilinx/zy7_machdep.c 266379 2014-05-17 23:25:20Z ian $"); 40 41#define _ARM32_BUS_DMA_PRIVATE 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/bus.h> 45 46#include <vm/vm.h> 47#include <vm/pmap.h> 48 49#include <dev/fdt/fdt_common.h> 50 51#include <machine/bus.h> 52#include <machine/devmap.h> 53#include <machine/machdep.h> 54 55#include <arm/xilinx/zy7_reg.h> 56 57void (*zynq7_cpu_reset)(void); 58 59vm_offset_t 60initarm_lastaddr(void) 61{ 62 63 return (arm_devmap_lastaddr()); 64} 65 66void 67initarm_early_init(void) 68{ 69 70} 71 72void 73initarm_gpio_init(void) 74{ 75} 76 77void 78initarm_late_init(void) 79{ 80} 81 82/* 83 * Set up static device mappings. Not strictly necessary -- simplebus will 84 * dynamically establish mappings as needed -- but doing it this way gets us 85 * nice efficient 1MB section mappings. 86 */ 87int 88initarm_devmap_init(void) 89{ 90 91 arm_devmap_add_entry(ZYNQ7_PSIO_HWBASE, ZYNQ7_PSIO_SIZE); 92 arm_devmap_add_entry(ZYNQ7_PSCTL_HWBASE, ZYNQ7_PSCTL_SIZE); 93 94 return (0); 95} 96 97 98struct fdt_fixup_entry fdt_fixup_table[] = { 99 { NULL, NULL } 100}; 101 102static int 103fdt_gic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig, 104 int *pol) 105{ 106 107 if (!fdt_is_compatible(node, "arm,gic")) 108 return (ENXIO); 109 110 *interrupt = fdt32_to_cpu(intr[0]); 111 *trig = INTR_TRIGGER_CONFORM; 112 *pol = INTR_POLARITY_CONFORM; 113 114 return (0); 115} 116 117fdt_pic_decode_t fdt_pic_table[] = { 118 &fdt_gic_decode_ic, 119 NULL 120}; 121 122 123struct arm32_dma_range * 124bus_dma_get_range(void) 125{ 126 127 return (NULL); 128} 129 130int 131bus_dma_get_range_nb(void) 132{ 133 134 return (0); 135} 136 137void 138cpu_reset() 139{ 140 if (zynq7_cpu_reset != NULL) 141 (*zynq7_cpu_reset)(); 142 143 printf("cpu_reset: no platform cpu_reset. hanging.\n"); 144 for (;;) 145 ; 146} 147