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