2 * Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@freebsd.org>
3 * Copyright (c) 2015-2016 Emmanuel Vadot <manu@bidouilliste.com>
6 * This code is derived from software written for Brini by Mark Brinicombe
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
29 * from: FreeBSD: //depot/projects/arm/src/sys/arm/ti/ti_machdep.c
33 #include "opt_platform.h"
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #define _ARM32_BUS_DMA_PRIVATE
39 #include <sys/param.h>
40 #include <sys/systm.h>
42 #include <sys/devmap.h>
47 #include <machine/bus.h>
48 #include <machine/machdep.h>
49 #include <machine/platformvar.h>
51 #include <dev/fdt/fdt_common.h>
53 #include <arm/allwinner/aw_mp.h>
54 #include <arm/allwinner/aw_wdog.h>
55 #include <arm/allwinner/allwinner_machdep.h>
57 #include "platform_if.h"
59 static u_int soc_type;
60 static u_int soc_family;
63 a10_attach(platform_t plat)
65 soc_type = ALLWINNERSOC_A10;
66 soc_family = ALLWINNERSOC_SUN4I;
71 a20_attach(platform_t plat)
73 soc_type = ALLWINNERSOC_A20;
74 soc_family = ALLWINNERSOC_SUN7I;
80 a31_attach(platform_t plat)
82 soc_type = ALLWINNERSOC_A31;
83 soc_family = ALLWINNERSOC_SUN6I;
89 a31s_attach(platform_t plat)
91 soc_type = ALLWINNERSOC_A31S;
92 soc_family = ALLWINNERSOC_SUN6I;
98 a83t_attach(platform_t plat)
100 soc_type = ALLWINNERSOC_A83T;
101 soc_family = ALLWINNERSOC_SUN8I;
107 h3_attach(platform_t plat)
109 soc_type = ALLWINNERSOC_H3;
110 soc_family = ALLWINNERSOC_SUN8I;
116 allwinner_lastaddr(platform_t plat)
119 return (devmap_lastaddr());
123 * Set up static device mappings.
125 * This covers all the on-chip device with 1MB section mappings, which is good
126 * for performance (uses fewer TLB entries for device access).
128 * XXX It also covers a block of SRAM and some GPU (mali400) stuff that maybe
129 * shouldn't be device-mapped. The original code mapped a 4MB block, but
130 * perhaps a 1MB block would be more appropriate.
133 allwinner_devmap_init(platform_t plat)
136 devmap_add_entry(0x01C00000, 0x00400000); /* 4MB */
141 struct arm32_dma_range *
142 bus_dma_get_range(void)
148 bus_dma_get_range_nb(void)
156 aw_wdog_watchdog_reset();
157 printf("Reset failed!\n");
161 #if defined(SOC_ALLWINNER_A10)
162 static platform_method_t a10_methods[] = {
163 PLATFORMMETHOD(platform_attach, a10_attach),
164 PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
165 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
169 FDT_PLATFORM_DEF(a10, "a10", 0, "allwinner,sun4i-a10", 200);
172 #if defined(SOC_ALLWINNER_A20)
173 static platform_method_t a20_methods[] = {
174 PLATFORMMETHOD(platform_attach, a20_attach),
175 PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
176 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
179 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
180 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
184 FDT_PLATFORM_DEF(a20, "a20", 0, "allwinner,sun7i-a20", 200);
187 #if defined(SOC_ALLWINNER_A31)
188 static platform_method_t a31_methods[] = {
189 PLATFORMMETHOD(platform_attach, a31_attach),
190 PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
191 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
194 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
195 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
199 FDT_PLATFORM_DEF(a31, "a31", 0, "allwinner,sun6i-a31", 200);
202 #if defined(SOC_ALLWINNER_A31S)
203 static platform_method_t a31s_methods[] = {
204 PLATFORMMETHOD(platform_attach, a31s_attach),
205 PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
206 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
209 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
210 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
214 FDT_PLATFORM_DEF(a31s, "a31s", 0, "allwinner,sun6i-a31s", 200);
217 #if defined(SOC_ALLWINNER_A83T)
218 static platform_method_t a83t_methods[] = {
219 PLATFORMMETHOD(platform_attach, a83t_attach),
220 PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
221 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
224 PLATFORMMETHOD(platform_mp_start_ap, a83t_mp_start_ap),
225 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
229 FDT_PLATFORM_DEF(a83t, "a83t", 0, "allwinner,sun8i-a83t", 200);
232 #if defined(SOC_ALLWINNER_H3)
233 static platform_method_t h3_methods[] = {
234 PLATFORMMETHOD(platform_attach, h3_attach),
235 PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
236 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
239 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
240 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
244 FDT_PLATFORM_DEF(h3, "h3", 0, "allwinner,sun8i-h3", 200);
248 allwinner_soc_type(void)
254 allwinner_soc_family(void)