1/*-
2 * Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@freebsd.org>
3 * Copyright (c) 2015-2016 Emmanuel Vadot <manu@freebsd.org>
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 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29
30 * from: FreeBSD: //depot/projects/arm/src/sys/arm/ti/ti_machdep.c
31 */
32
33#include "opt_ddb.h"
34#include "opt_platform.h"
35
36#include <sys/cdefs.h>
37__FBSDID("$FreeBSD$");
38
39#include <sys/param.h>
40#include <sys/systm.h>
41#include <sys/bus.h>
42#include <sys/devmap.h>
43
44#include <vm/vm.h>
45#include <vm/pmap.h>
46
47#include <machine/bus.h>
48#include <machine/machdep.h>
49#include <machine/platformvar.h>
50
51#include <arm/allwinner/aw_mp.h>
52#include <arm/allwinner/aw_wdog.h>
53#include <arm/allwinner/aw_machdep.h>
54
55#include "platform_if.h"
56
57static platform_attach_t a10_attach;
58static platform_attach_t a13_attach;
59static platform_attach_t a20_attach;
60static platform_attach_t a31_attach;
61static platform_attach_t a31s_attach;
62static platform_attach_t a83t_attach;
63static platform_attach_t h3_attach;
64static platform_devmap_init_t allwinner_devmap_init;
65static platform_cpu_reset_t allwinner_cpu_reset;
66
67static u_int soc_type;
68static u_int soc_family;
69
70static int
71a10_attach(platform_t plat)
72{
73	soc_type = ALLWINNERSOC_A10;
74	soc_family = ALLWINNERSOC_SUN4I;
75	return (0);
76}
77
78static int
79a13_attach(platform_t plat)
80{
81	soc_type = ALLWINNERSOC_A13;
82	soc_family = ALLWINNERSOC_SUN5I;
83	return (0);
84}
85
86static int
87a20_attach(platform_t plat)
88{
89	soc_type = ALLWINNERSOC_A20;
90	soc_family = ALLWINNERSOC_SUN7I;
91
92	return (0);
93}
94
95static int
96a31_attach(platform_t plat)
97{
98	soc_type = ALLWINNERSOC_A31;
99	soc_family = ALLWINNERSOC_SUN6I;
100
101	return (0);
102}
103
104static int
105a31s_attach(platform_t plat)
106{
107	soc_type = ALLWINNERSOC_A31S;
108	soc_family = ALLWINNERSOC_SUN6I;
109
110	return (0);
111}
112
113static int
114a33_attach(platform_t plat)
115{
116	soc_type = ALLWINNERSOC_A33;
117	soc_family = ALLWINNERSOC_SUN8I;
118
119	return (0);
120}
121
122static int
123a83t_attach(platform_t plat)
124{
125	soc_type = ALLWINNERSOC_A83T;
126	soc_family = ALLWINNERSOC_SUN8I;
127
128	return (0);
129}
130
131static int
132h3_attach(platform_t plat)
133{
134	soc_type = ALLWINNERSOC_H3;
135	soc_family = ALLWINNERSOC_SUN8I;
136
137	return (0);
138}
139
140/*
141 * Set up static device mappings.
142 *
143 * This covers all the on-chip device with 1MB section mappings, which is good
144 * for performance (uses fewer TLB entries for device access).
145 *
146 * XXX It also covers a block of SRAM and some GPU (mali400) stuff that maybe
147 * shouldn't be device-mapped.  The original code mapped a 4MB block, but
148 * perhaps a 1MB block would be more appropriate.
149 */
150static int
151allwinner_devmap_init(platform_t plat)
152{
153
154	devmap_add_entry(0x01C00000, 0x00400000); /* 4MB */
155
156	return (0);
157}
158
159static void
160allwinner_cpu_reset(platform_t plat)
161{
162	aw_wdog_watchdog_reset();
163	printf("Reset failed!\n");
164	while (1);
165}
166
167#if defined(SOC_ALLWINNER_A10)
168static platform_method_t a10_methods[] = {
169	PLATFORMMETHOD(platform_attach,         a10_attach),
170	PLATFORMMETHOD(platform_devmap_init,    allwinner_devmap_init),
171	PLATFORMMETHOD(platform_cpu_reset,	allwinner_cpu_reset),
172
173	PLATFORMMETHOD_END,
174};
175FDT_PLATFORM_DEF(a10, "a10", 0, "allwinner,sun4i-a10", 200);
176#endif
177
178#if defined(SOC_ALLWINNER_A13)
179static platform_method_t a13_methods[] = {
180	PLATFORMMETHOD(platform_attach,         a13_attach),
181	PLATFORMMETHOD(platform_devmap_init,    allwinner_devmap_init),
182	PLATFORMMETHOD(platform_cpu_reset,	allwinner_cpu_reset),
183
184	PLATFORMMETHOD_END,
185};
186FDT_PLATFORM_DEF(a13, "a13", 0, "allwinner,sun5i-a13", 200);
187#endif
188
189#if defined(SOC_ALLWINNER_A20)
190static platform_method_t a20_methods[] = {
191	PLATFORMMETHOD(platform_attach,         a20_attach),
192	PLATFORMMETHOD(platform_devmap_init,    allwinner_devmap_init),
193	PLATFORMMETHOD(platform_cpu_reset,	allwinner_cpu_reset),
194
195#ifdef SMP
196	PLATFORMMETHOD(platform_mp_start_ap,	aw_mp_start_ap),
197	PLATFORMMETHOD(platform_mp_setmaxid,	aw_mp_setmaxid),
198#endif
199	PLATFORMMETHOD_END,
200};
201FDT_PLATFORM_DEF(a20, "a20", 0, "allwinner,sun7i-a20", 200);
202#endif
203
204#if defined(SOC_ALLWINNER_A31)
205static platform_method_t a31_methods[] = {
206	PLATFORMMETHOD(platform_attach,         a31_attach),
207	PLATFORMMETHOD(platform_devmap_init,    allwinner_devmap_init),
208	PLATFORMMETHOD(platform_cpu_reset,	allwinner_cpu_reset),
209
210#ifdef SMP
211	PLATFORMMETHOD(platform_mp_start_ap,	aw_mp_start_ap),
212	PLATFORMMETHOD(platform_mp_setmaxid,	aw_mp_setmaxid),
213#endif
214	PLATFORMMETHOD_END,
215};
216FDT_PLATFORM_DEF(a31, "a31", 0, "allwinner,sun6i-a31", 200);
217#endif
218
219#if defined(SOC_ALLWINNER_A31S)
220static platform_method_t a31s_methods[] = {
221	PLATFORMMETHOD(platform_attach,         a31s_attach),
222	PLATFORMMETHOD(platform_devmap_init,    allwinner_devmap_init),
223	PLATFORMMETHOD(platform_cpu_reset,	allwinner_cpu_reset),
224
225#ifdef SMP
226	PLATFORMMETHOD(platform_mp_start_ap,	aw_mp_start_ap),
227	PLATFORMMETHOD(platform_mp_setmaxid,	aw_mp_setmaxid),
228#endif
229	PLATFORMMETHOD_END,
230};
231FDT_PLATFORM_DEF(a31s, "a31s", 0, "allwinner,sun6i-a31s", 200);
232#endif
233
234#if defined(SOC_ALLWINNER_A33)
235static platform_method_t a33_methods[] = {
236	PLATFORMMETHOD(platform_attach,         a33_attach),
237	PLATFORMMETHOD(platform_devmap_init,    allwinner_devmap_init),
238	PLATFORMMETHOD(platform_cpu_reset,	allwinner_cpu_reset),
239
240#ifdef SMP
241	PLATFORMMETHOD(platform_mp_start_ap,	aw_mp_start_ap),
242	PLATFORMMETHOD(platform_mp_setmaxid,	aw_mp_setmaxid),
243#endif
244	PLATFORMMETHOD_END,
245};
246FDT_PLATFORM_DEF(a33, "a33", 0, "allwinner,sun8i-a33", 200);
247#endif
248
249#if defined(SOC_ALLWINNER_A83T)
250static platform_method_t a83t_methods[] = {
251	PLATFORMMETHOD(platform_attach,         a83t_attach),
252	PLATFORMMETHOD(platform_devmap_init,    allwinner_devmap_init),
253	PLATFORMMETHOD(platform_cpu_reset,	allwinner_cpu_reset),
254
255#ifdef SMP
256	PLATFORMMETHOD(platform_mp_start_ap,	a83t_mp_start_ap),
257	PLATFORMMETHOD(platform_mp_setmaxid,	aw_mp_setmaxid),
258#endif
259	PLATFORMMETHOD_END,
260};
261FDT_PLATFORM_DEF(a83t, "a83t", 0, "allwinner,sun8i-a83t", 200);
262#endif
263
264#if defined(SOC_ALLWINNER_H2PLUS)
265static platform_method_t h2_plus_methods[] = {
266	PLATFORMMETHOD(platform_attach,         h3_attach),
267	PLATFORMMETHOD(platform_devmap_init,    allwinner_devmap_init),
268	PLATFORMMETHOD(platform_cpu_reset,	allwinner_cpu_reset),
269
270#ifdef SMP
271	PLATFORMMETHOD(platform_mp_start_ap,	aw_mp_start_ap),
272	PLATFORMMETHOD(platform_mp_setmaxid,	aw_mp_setmaxid),
273#endif
274	PLATFORMMETHOD_END,
275};
276FDT_PLATFORM_DEF(h2_plus, "h2_plus", 0, "allwinner,sun8i-h2-plus", 200);
277#endif
278
279#if defined(SOC_ALLWINNER_H3)
280static platform_method_t h3_methods[] = {
281	PLATFORMMETHOD(platform_attach,         h3_attach),
282	PLATFORMMETHOD(platform_devmap_init,    allwinner_devmap_init),
283	PLATFORMMETHOD(platform_cpu_reset,	allwinner_cpu_reset),
284
285#ifdef SMP
286	PLATFORMMETHOD(platform_mp_start_ap,	aw_mp_start_ap),
287	PLATFORMMETHOD(platform_mp_setmaxid,	aw_mp_setmaxid),
288#endif
289	PLATFORMMETHOD_END,
290};
291FDT_PLATFORM_DEF(h3, "h3", 0, "allwinner,sun8i-h3", 200);
292#endif
293
294u_int
295allwinner_soc_type(void)
296{
297	return (soc_type);
298}
299
300u_int
301allwinner_soc_family(void)
302{
303	return (soc_family);
304}
305