1/*-
2 * Copyright (c) 1994-1998 Mark Brinicombe.
3 * Copyright (c) 1994 Brini.
4 * All rights reserved.
5 *
6 * This code is derived from software written for Brini by Mark Brinicombe
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *      This product includes software developed by Brini.
19 * 4. The name of the company nor the name of the author may be used to
20 *    endorse or promote products derived from this software without specific
21 *    prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * from: FreeBSD: //depot/projects/arm/src/sys/arm/at91/kb920x_machdep.c, rev 45
36 */
37
38#include "opt_platform.h"
39
40#include <sys/cdefs.h>
41__FBSDID("$FreeBSD$");
42
43#define _ARM32_BUS_DMA_PRIVATE
44#include <sys/param.h>
45#include <sys/systm.h>
46#include <sys/bus.h>
47
48#include <vm/vm.h>
49#include <vm/pmap.h>
50
51#include <machine/bus.h>
52#include <machine/frame.h> /* For trapframe_t, used in <machine/machdep.h> */
53#include <machine/machdep.h>
54#include <machine/pmap.h>
55
56#include <arm/ti/omap4/omap4_reg.h>
57
58/* Start of address space used for bootstrap map */
59#define DEVMAP_BOOTSTRAP_MAP_START	0xF0000000
60
61void (*ti_cpu_reset)(void);
62
63vm_offset_t
64initarm_lastaddr(void)
65{
66
67	ti_cpu_reset = NULL;
68	return (DEVMAP_BOOTSTRAP_MAP_START - ARM_NOCACHE_KVA_SIZE);
69}
70
71void
72initarm_gpio_init(void)
73{
74}
75
76void
77initarm_late_init(void)
78{
79}
80
81#define FDT_DEVMAP_MAX	(2)		// FIXME
82static struct pmap_devmap fdt_devmap[FDT_DEVMAP_MAX] = {
83	{ 0, 0, 0, 0, 0, }
84};
85
86
87/*
88 * Construct pmap_devmap[] with DT-derived config data.
89 */
90int
91platform_devmap_init(void)
92{
93	int i = 0;
94#if defined(SOC_OMAP4)
95	fdt_devmap[i].pd_va = 0xF8000000;
96	fdt_devmap[i].pd_pa = 0x48000000;
97	fdt_devmap[i].pd_size = 0x1000000;
98	fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
99	fdt_devmap[i].pd_cache = PTE_DEVICE;
100	i++;
101#elif defined(SOC_TI_AM335X)
102	fdt_devmap[i].pd_va = 0xF4C00000;
103	fdt_devmap[i].pd_pa = 0x44C00000;       /* L4_WKUP */
104	fdt_devmap[i].pd_size = 0x400000;       /* 4 MB */
105	fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
106	fdt_devmap[i].pd_cache = PTE_DEVICE;
107	i++;
108#else
109#error "Unknown SoC"
110#endif
111
112	pmap_devmap_bootstrap_table = &fdt_devmap[0];
113	return (0);
114}
115
116struct arm32_dma_range *
117bus_dma_get_range(void)
118{
119
120	return (NULL);
121}
122
123int
124bus_dma_get_range_nb(void)
125{
126
127	return (0);
128}
129
130void
131cpu_reset()
132{
133	if (ti_cpu_reset)
134		(*ti_cpu_reset)();
135	else
136		printf("no cpu_reset implementation\n");
137	printf("Reset failed!\n");
138	while (1);
139}
140