rk30xx_machdep.c revision 266381 
1/*-
2 * Copyright (c) 2013 Ganbold Tsagaankhuu <ganbold@freebsd.org>
3 * All rights reserved.
4 *
5 * This code is derived from software written for Brini by Mark Brinicombe
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * from: FreeBSD: //depot/projects/arm/src/sys/arm/ti/ti_machdep.c
29 */
30
31#include "opt_ddb.h"
32#include "opt_platform.h"
33
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD: stable/10/sys/arm/rockchip/rk30xx_machdep.c 266381 2014-05-17 23:29:45Z ian $");
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#include <vm/pmap.h>
44
45#include <machine/armreg.h>
46#include <machine/bus.h>
47#include <machine/devmap.h>
48#include <machine/machdep.h>
49
50#include <dev/fdt/fdt_common.h>
51
52vm_offset_t
53initarm_lastaddr(void)
54{
55
56	return (arm_devmap_lastaddr());
57}
58
59void
60initarm_early_init(void)
61{
62
63}
64
65void
66initarm_gpio_init(void)
67{
68}
69
70void
71initarm_late_init(void)
72{
73
74	/* Enable cache */
75	cpufunc_control(CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE,
76	    CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE);
77}
78
79/*
80 * Set up static device mappings.
81 */
82int
83initarm_devmap_init(void)
84{
85
86	arm_devmap_add_entry(0x20000000, 0x00100000);
87
88	return (0);
89}
90
91struct arm32_dma_range *
92bus_dma_get_range(void)
93{
94
95	return (NULL);
96}
97
98int
99bus_dma_get_range_nb(void)
100{
101
102	return (0);
103}
104
105void
106cpu_reset()
107{
108
109	printf("No cpu_reset implementation!\n");
110	while (1);
111}
112