Quelle  sunxi.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree support for Allwinner A1X SoCs
 *
 * Copyright (C) 2012 Maxime Ripard
 *
 * Maxime Ripard <maxime.ripard@free-electrons.com>
 *
 */

#include <linux/clocksource.h>
#include <linux/init.h>
#include <linux/of_clk.h>
#include <linux/platform_device.h>
#include <linux/reset/sunxi.h>

#include <asm/mach/arch.h>
#include <asm/secure_cntvoff.h>

static const char * const sunxi_board_dt_compat[] = {
 "allwinner,sun4i-a10",
 "allwinner,sun5i-a10s",
 "allwinner,sun5i-a13",
 "allwinner,sun5i-r8",
 "nextthing,gr8",
 NULL,
};

DT_MACHINE_START(SUNXI_DT, "Allwinner sun4i/sun5i Families")
 .dt_compat = sunxi_board_dt_compat,
MACHINE_END

static const char * const sun6i_board_dt_compat[] = {
 "allwinner,sun6i-a31",
 "allwinner,sun6i-a31s",
 NULL,
};

static void __init sun6i_timer_init(void)
{
 of_clk_init(NULL);
 if (IS_ENABLED(CONFIG_RESET_CONTROLLER))
  sun6i_reset_init();
 timer_probe();
}

DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family")
 .init_time = sun6i_timer_init,
 .dt_compat = sun6i_board_dt_compat,
MACHINE_END

static const char * const sun7i_board_dt_compat[] = {
 "allwinner,sun7i-a20",
 NULL,
};

DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family")
 .dt_compat = sun7i_board_dt_compat,
MACHINE_END

static const char * const sun8i_board_dt_compat[] = {
 "allwinner,sun8i-a23",
 "allwinner,sun8i-a33",
 "allwinner,sun8i-h2-plus",
 "allwinner,sun8i-h3",
 "allwinner,sun8i-r40",
 "allwinner,sun8i-v3",
 "allwinner,sun8i-v3s",
 NULL,
};

DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i Family")
 .init_time = sun6i_timer_init,
 .dt_compat = sun8i_board_dt_compat,
MACHINE_END

static void __init sun8i_a83t_cntvoff_init(void)
{
#ifdef CONFIG_SMP
 secure_cntvoff_init();
#endif
}

static const char * const sun8i_a83t_cntvoff_board_dt_compat[] = {
 "allwinner,sun8i-a83t",
 NULL,
};

DT_MACHINE_START(SUN8I_A83T_CNTVOFF_DT, "Allwinner A83t board")
 .init_early = sun8i_a83t_cntvoff_init,
 .init_time = sun6i_timer_init,
 .dt_compat = sun8i_a83t_cntvoff_board_dt_compat,
MACHINE_END

static const char * const sun9i_board_dt_compat[] = {
 "allwinner,sun9i-a80",
 NULL,
};

DT_MACHINE_START(SUN9I_DT, "Allwinner sun9i Family")
 .dt_compat = sun9i_board_dt_compat,
MACHINE_END

static const char * const suniv_board_dt_compat[] = {
 "allwinner,suniv-f1c100s",
 NULL,
};

DT_MACHINE_START(SUNIV_DT, "Allwinner suniv Family")
 .dt_compat = suniv_board_dt_compat,
MACHINE_END