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: sys/arm/lpc/lpc_machdep.c
36 */
37
38#include "opt_ddb.h"
39#include "opt_platform.h"
40
41#include <sys/cdefs.h>
42__FBSDID("$FreeBSD$");
43
44#define	_ARM32_BUS_DMA_PRIVATE
45#include <sys/param.h>
46#include <sys/systm.h>
47#include <sys/bus.h>
48#include <sys/reboot.h>
49#include <sys/devmap.h>
50
51#include <vm/vm.h>
52#include <vm/pmap.h>
53
54#include <machine/bus.h>
55#include <machine/fdt.h>
56#include <machine/machdep.h>
57#include <machine/platform.h>
58#include <machine/cpu.h>
59
60#include <arm/ralink/rt1310reg.h>
61#include <arm/ralink/rt1310var.h>
62
63#include <dev/fdt/fdt_common.h>
64
65#ifdef  EARLY_PRINTF
66early_putc_t *early_putc;
67#endif
68
69
70uint32_t rt1310_master_clock;
71
72vm_offset_t
73platform_lastaddr(void)
74{
75
76	return (devmap_lastaddr());
77}
78
79void
80platform_probe_and_attach(void)
81{
82}
83
84void
85platform_gpio_init(void)
86{
87
88	/*
89	 * Set initial values of GPIO output ports
90	 */
91}
92
93void
94platform_late_init(void)
95{
96	bootverbose = 1;
97}
98
99/*
100 * Add a single static device mapping.
101 * The values used were taken from the ranges property of the SoC node in the
102 * dts file when this code was converted to arm_devmap_add_entry().
103 */
104int
105platform_devmap_init(void)
106{
107	devmap_add_entry(0x19C00000, 0xE0000);
108	devmap_add_entry(0x1e800000, 0x800000);
109	devmap_add_entry(0x1f000000, 0x400000);
110	return (0);
111}
112
113struct arm32_dma_range *
114bus_dma_get_range(void)
115{
116
117	return (NULL);
118}
119
120int
121bus_dma_get_range_nb(void)
122{
123
124	return (0);
125}
126
127void
128cpu_reset(void)
129{
130	bus_space_tag_t bst;
131	bus_space_handle_t bsh;
132
133	bst = fdtbus_bs_tag;
134
135	/* Enable WDT */
136	/* Instant assert of RESETOUT_N with pulse length 1ms */
137	bus_space_map(bst, 0x1e8c0000, 0x20000, 0, &bsh);
138	bus_space_write_4(bst, bsh, 0, 13000);
139	bus_space_write_4(bst, bsh, 8, (1<<3) | (1<<4) | 7);
140	bus_space_unmap(bst, bsh, 0x20000);
141
142	for (;;)
143		continue;
144}
145
146#ifdef RALINK_BOOT_DEBUG
147void bootdebug1(int c);
148void bootdebug1(int c)
149{
150	/* direct put uart physical address */
151        uint8_t* uart_base_addr=(uint8_t*)0x1e840000;
152	*(uart_base_addr) = c;
153}
154
155void bootdebug2(int c);
156void bootdebug2(int c)
157{
158#if defined(SOCDEV_PA) && defined(SOCDEV_VA)
159	/* direct put uart map address at locore-v4.S */
160        uint8_t* uart_base_addr=(uint8_t*)0xce840000;
161	*(uart_base_addr) = c;
162#endif
163}
164
165void bootdebug3(int c);
166void bootdebug3(int c)
167{
168	bus_space_tag_t bst;
169	bus_space_handle_t bsh;
170
171	bst = fdtbus_bs_tag;
172	bus_space_map(bst, 0x1e840000, 0x20000, 0, &bsh);
173	bus_space_write_1(bst, bsh, 0, c);
174	bus_space_unmap(bst, bsh, 0x20000);
175}
176#endif
177