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: head/sys/arm/xilinx/zy7_machdep.c 298068 2016-04-15 16:05:41Z andrew $
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 <sys/cdefs.h>
37__FBSDID("$FreeBSD: head/sys/arm/xilinx/zy7_machdep.c 298068 2016-04-15 16:05:41Z andrew $");
38
39#define _ARM32_BUS_DMA_PRIVATE
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/bus.h>
43
44#include <vm/vm.h>
45#include <vm/pmap.h>
46
47#include <dev/fdt/fdt_common.h>
48
49#include <machine/bus.h>
50#include <machine/devmap.h>
51#include <machine/machdep.h>
52#include <machine/platform.h>
53
54#include <arm/xilinx/zy7_reg.h>
55
56void (*zynq7_cpu_reset)(void);
57
58vm_offset_t
59platform_lastaddr(void)
60{
61
62 return (arm_devmap_lastaddr());
63}
64
65void
66platform_probe_and_attach(void)
67{
68
69}
70
71void
72platform_gpio_init(void)
73{
74}
75
76void
77platform_late_init(void)
78{
79}
80
81/*
82 * Set up static device mappings. Not strictly necessary -- simplebus will
83 * dynamically establish mappings as needed -- but doing it this way gets us
84 * nice efficient 1MB section mappings.
85 */
86int
87platform_devmap_init(void)
88{
89
90 arm_devmap_add_entry(ZYNQ7_PSIO_HWBASE, ZYNQ7_PSIO_SIZE);
91 arm_devmap_add_entry(ZYNQ7_PSCTL_HWBASE, ZYNQ7_PSCTL_SIZE);
92
93 return (0);
94}
95
96
97struct fdt_fixup_entry fdt_fixup_table[] = {
98 { NULL, NULL }
99};
100
101#ifndef INTRNG
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#endif
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}