bcm2835.c

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/*
 * Copyright (C) 2010 Broadcom
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/init.h>
#include <linux/irqchip/bcm2835.h>
#include <linux/of_platform.h>
#include <linux/bcm2835_timer.h>
#include <linux/clk/bcm2835.h>

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

#include <mach/bcm2835_soc.h>

static struct map_desc io_map __initdata = {
    .virtual = BCM2835_PERIPH_VIRT,
    .pfn = __phys_to_pfn(BCM2835_PERIPH_PHYS),
    .length = BCM2835_PERIPH_SIZE,
    .type = MT_DEVICE
};

void __init bcm2835_map_io(void)
{
    iotable_init(&io_map, 1);
}

void __init bcm2835_init(void)
{
    int ret;

    bcm2835_init_clocks();

    ret = of_platform_populate(NULL, of_default_bus_match_table, NULL,
                   NULL);
    if (ret) {
        pr_err("of_platform_populate failed: %d\n", ret);
        BUG();
    }
}

static const char * const bcm2835_compat[] = {
    "brcm,bcm2835",
    NULL
};

DT_MACHINE_START(BCM2835, "BCM2835")
    .map_io = bcm2835_map_io,
    .init_irq = bcm2835_init_irq,
    .handle_irq = bcm2835_handle_irq,
    .init_machine = bcm2835_init,
    .timer = &bcm2835_timer,
    .dt_compat = bcm2835_compat
MACHINE_END