arch/arm/mach-sunxi/sunxi.c

   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/clocksource.h>
  14 #include <linux/init.h>
  15 #include <linux/of_clk.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/reset/sunxi.h>
  18
  19 #include <asm/mach/arch.h>
  20 #include <asm/secure_cntvoff.h>
  21
  22 static const char * const sunxi_board_dt_compat[] = {
  23         "allwinner,sun4i-a10",
  24         "allwinner,sun5i-a10s",
  25         "allwinner,sun5i-a13",
  26         "allwinner,sun5i-r8",
  27         "nextthing,gr8",
  28         NULL,
  29 };
  30
  31 DT_MACHINE_START(SUNXI_DT, "Allwinner sun4i/sun5i Families")
  32         .dt_compat      = sunxi_board_dt_compat,
  33 MACHINE_END
  34
  35 static const char * const sun6i_board_dt_compat[] = {
  36         "allwinner,sun6i-a31",
  37         "allwinner,sun6i-a31s",
  38         NULL,
  39 };
  40
  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
 105 static const char * const suniv_board_dt_compat[] = {
 106         "allwinner,suniv-f1c100s",
 107         NULL,
 108 };
 109
 110 DT_MACHINE_START(SUNIV_DT, "Allwinner suniv Family")
 111         .dt_compat      = suniv_board_dt_compat,
 112 MACHINE_END