rk30xx_machdep.c revision 259364 
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 259364 2013-12-13 23:56:53Z 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
52/* Start of address space used for bootstrap map */
53#define DEVMAP_BOOTSTRAP_MAP_START	0xF0000000
54
55vm_offset_t
56initarm_lastaddr(void)
57{
58
59	return (DEVMAP_BOOTSTRAP_MAP_START);
60}
61
62void
63initarm_gpio_init(void)
64{
65}
66
67void
68initarm_late_init(void)
69{
70
71	/* Enable cache */
72	cpufunc_control(CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE,
73	    CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE);
74}
75
76#define FDT_DEVMAP_MAX		(1 + 2 + 1 + 1)
77static struct arm_devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = {
78	{ 0, 0, 0, 0, 0, }
79};
80
81/*
82 * Construct pmap_devmap[] with DT-derived config data.
83 */
84int
85platform_devmap_init(void)
86{
87	int i = 0;
88
89	fdt_devmap[i].pd_va = 0xF0000000;
90	fdt_devmap[i].pd_pa = 0x20000000;
91	fdt_devmap[i].pd_size = 0x100000;
92	fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
93	fdt_devmap[i].pd_cache = PTE_DEVICE;
94	i++;
95
96	arm_devmap_register_table(&fdt_devmap[0]);
97
98	return (0);
99}
100
101struct arm32_dma_range *
102bus_dma_get_range(void)
103{
104
105	return (NULL);
106}
107
108int
109bus_dma_get_range_nb(void)
110{
111
112	return (0);
113}
114
115void
116cpu_reset()
117{
118
119	printf("No cpu_reset implementation!\n");
120	while (1);
121}
122