rk30xx_machdep.c revision 259329 
1/*-
2 * Copyright (c) 2013 Ganbold Tsagaankhuu <ganbold@gmail.com>
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 259329 2013-12-13 20:43:11Z 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/machdep.h>
48
49#include <dev/fdt/fdt_common.h>
50
51/* Start of address space used for bootstrap map */
52#define DEVMAP_BOOTSTRAP_MAP_START	0xF0000000
53
54vm_offset_t
55initarm_lastaddr(void)
56{
57
58	return (DEVMAP_BOOTSTRAP_MAP_START - ARM_NOCACHE_KVA_SIZE);
59}
60
61void
62initarm_gpio_init(void)
63{
64}
65
66void
67initarm_late_init(void)
68{
69
70	/* Enable cache */
71	cpufunc_control(CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE,
72	    CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE);
73}
74
75#define FDT_DEVMAP_MAX		(1 + 2 + 1 + 1)
76static struct pmap_devmap fdt_devmap[FDT_DEVMAP_MAX] = {
77	{ 0, 0, 0, 0, 0, }
78};
79
80/*
81 * Construct pmap_devmap[] with DT-derived config data.
82 */
83int
84platform_devmap_init(void)
85{
86	int i = 0;
87
88	fdt_devmap[i].pd_va = 0xF0000000;
89	fdt_devmap[i].pd_pa = 0x20000000;
90	fdt_devmap[i].pd_size = 0x100000;
91	fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
92	fdt_devmap[i].pd_cache = PTE_DEVICE;
93	i++;
94
95	pmap_devmap_bootstrap_table = &fdt_devmap[0];
96
97	return (0);
98}
99
100struct arm32_dma_range *
101bus_dma_get_range(void)
102{
103
104	return (NULL);
105}
106
107int
108bus_dma_get_range_nb(void)
109{
110
111	return (0);
112}
113
114void
115cpu_reset()
116{
117
118	printf("No cpu_reset implementation!\n");
119	while (1);
120}
121