arch/arm/mach-sunxi/sunxi.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device Tree support for Allwinner A1X SoCs
   4  *
   5  * Copyright (C) 2012 Maxime Ripard
   6  *
   7  * Maxime Ripard <maxime.ripard@free-electrons.com>
   8  *
   9  */
  10
  11 #include <linux/clocksource.h>
  12 #include <linux/init.h>
  13 #include <linux/of_clk.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/reset/sunxi.h>
  16
  17 #include <asm/mach/arch.h>
  18 #include <asm/secure_cntvoff.h>
  19
  20 static const char * const sunxi_board_dt_compat[] = {
  21         "allwinner,sun4i-a10",
  22         "allwinner,sun5i-a10s",
  23         "allwinner,sun5i-a13",
  24         "allwinner,sun5i-r8",
  25         "nextthing,gr8",
  26         NULL,
  27 };
  28
  29 DT_MACHINE_START(SUNXI_DT, "Allwinner sun4i/sun5i Families")
  30         .dt_compat      = sunxi_board_dt_compat,
  31 MACHINE_END
  32
  33 static const char * const sun6i_board_dt_compat[] = {
  34         "allwinner,sun6i-a31",
  35         "allwinner,sun6i-a31s",
  36         NULL,
  37 };
  38
  39 static void __init sun6i_timer_init(void)
  40 {
  41         of_clk_init(NULL);
  42         if (IS_ENABLED(CONFIG_RESET_CONTROLLER))
  43                 sun6i_reset_init();
  44         timer_probe();
  45 }
  46
  47 DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family")
  48         .init_time      = sun6i_timer_init,
  49         .dt_compat      = sun6i_board_dt_compat,
  50 MACHINE_END
  51
  52 static const char * const sun7i_board_dt_compat[] = {
  53         "allwinner,sun7i-a20",
  54         NULL,
  55 };
  56
  57 DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family")
  58         .dt_compat      = sun7i_board_dt_compat,
  59 MACHINE_END
  60
  61 static const char * const sun8i_board_dt_compat[] = {
  62         "allwinner,sun8i-a23",
  63         "allwinner,sun8i-a33",
  64         "allwinner,sun8i-h2-plus",
  65         "allwinner,sun8i-h3",
  66         "allwinner,sun8i-r40",
  67         "allwinner,sun8i-v3",
  68         "allwinner,sun8i-v3s",
  69         NULL,
  70 };
  71
  72 DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i Family")
  73         .init_time      = sun6i_timer_init,
  74         .dt_compat      = sun8i_board_dt_compat,
  75 MACHINE_END
  76
  77 static void __init sun8i_a83t_cntvoff_init(void)
  78 {
  79 #ifdef CONFIG_SMP
  80         secure_cntvoff_init();
  81 #endif
  82 }
  83
  84 static const char * const sun8i_a83t_cntvoff_board_dt_compat[] = {
  85         "allwinner,sun8i-a83t",
  86         NULL,
  87 };
  88
  89 DT_MACHINE_START(SUN8I_A83T_CNTVOFF_DT, "Allwinner A83t board")
  90         .init_early     = sun8i_a83t_cntvoff_init,
  91         .init_time      = sun6i_timer_init,
  92         .dt_compat      = sun8i_a83t_cntvoff_board_dt_compat,
  93 MACHINE_END
  94
  95 static const char * const sun9i_board_dt_compat[] = {
  96         "allwinner,sun9i-a80",
  97         NULL,
  98 };
  99
 100 DT_MACHINE_START(SUN9I_DT, "Allwinner sun9i Family")
 101         .dt_compat      = sun9i_board_dt_compat,
 102 MACHINE_END
 103
 104 static const char * const suniv_board_dt_compat[] = {
 105         "allwinner,suniv-f1c100s",
 106         NULL,
 107 };
 108
 109 DT_MACHINE_START(SUNIV_DT, "Allwinner suniv Family")
 110         .dt_compat      = suniv_board_dt_compat,
 111 MACHINE_END