xref: /openbmc/linux/arch/arm/mach-sunxi/sunxi.c (revision ba61bb17)
1 /*
2  * Device Tree support for Allwinner A1X SoCs
3  *
4  * Copyright (C) 2012 Maxime Ripard
5  *
6  * Maxime Ripard <maxime.ripard@free-electrons.com>
7  *
8  * This file is licensed under the terms of the GNU General Public
9  * License version 2.  This program is licensed "as is" without any
10  * warranty of any kind, whether express or implied.
11  */
12 
13 #include <linux/clk-provider.h>
14 #include <linux/clocksource.h>
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
17 
18 #include <asm/mach/arch.h>
19 #include <asm/secure_cntvoff.h>
20 
21 static const char * const sunxi_board_dt_compat[] = {
22 	"allwinner,sun4i-a10",
23 	"allwinner,sun5i-a10s",
24 	"allwinner,sun5i-a13",
25 	"allwinner,sun5i-r8",
26 	"nextthing,gr8",
27 	NULL,
28 };
29 
30 DT_MACHINE_START(SUNXI_DT, "Allwinner sun4i/sun5i Families")
31 	.dt_compat	= sunxi_board_dt_compat,
32 MACHINE_END
33 
34 static const char * const sun6i_board_dt_compat[] = {
35 	"allwinner,sun6i-a31",
36 	"allwinner,sun6i-a31s",
37 	NULL,
38 };
39 
40 extern void __init sun6i_reset_init(void);
41 static void __init sun6i_timer_init(void)
42 {
43 	of_clk_init(NULL);
44 	if (IS_ENABLED(CONFIG_RESET_CONTROLLER))
45 		sun6i_reset_init();
46 	timer_probe();
47 }
48 
49 DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family")
50 	.init_time	= sun6i_timer_init,
51 	.dt_compat	= sun6i_board_dt_compat,
52 MACHINE_END
53 
54 static const char * const sun7i_board_dt_compat[] = {
55 	"allwinner,sun7i-a20",
56 	NULL,
57 };
58 
59 DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family")
60 	.dt_compat	= sun7i_board_dt_compat,
61 MACHINE_END
62 
63 static const char * const sun8i_board_dt_compat[] = {
64 	"allwinner,sun8i-a23",
65 	"allwinner,sun8i-a33",
66 	"allwinner,sun8i-h2-plus",
67 	"allwinner,sun8i-h3",
68 	"allwinner,sun8i-r40",
69 	"allwinner,sun8i-v3s",
70 	NULL,
71 };
72 
73 DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i Family")
74 	.init_time	= sun6i_timer_init,
75 	.dt_compat	= sun8i_board_dt_compat,
76 MACHINE_END
77 
78 static void __init sun8i_a83t_cntvoff_init(void)
79 {
80 #ifdef CONFIG_SMP
81 	secure_cntvoff_init();
82 #endif
83 }
84 
85 static const char * const sun8i_a83t_cntvoff_board_dt_compat[] = {
86 	"allwinner,sun8i-a83t",
87 	NULL,
88 };
89 
90 DT_MACHINE_START(SUN8I_A83T_CNTVOFF_DT, "Allwinner A83t board")
91 	.init_early	= sun8i_a83t_cntvoff_init,
92 	.init_time	= sun6i_timer_init,
93 	.dt_compat	= sun8i_a83t_cntvoff_board_dt_compat,
94 MACHINE_END
95 
96 static const char * const sun9i_board_dt_compat[] = {
97 	"allwinner,sun9i-a80",
98 	NULL,
99 };
100 
101 DT_MACHINE_START(SUN9I_DT, "Allwinner sun9i Family")
102 	.dt_compat	= sun9i_board_dt_compat,
103 MACHINE_END
104