mirror of https://gitee.com/openkylin/linux.git
78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
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/*
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* Copyright (C) 2010 Broadcom
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/init.h>
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#include <linux/of_platform.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/time.h>
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#include <asm/exception.h>
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#include <mach/bcm2835_soc.h>
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static struct map_desc io_map __initdata = {
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.virtual = BCM2835_PERIPH_VIRT,
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.pfn = __phys_to_pfn(BCM2835_PERIPH_PHYS),
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.length = BCM2835_PERIPH_SIZE,
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.type = MT_DEVICE
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};
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void __init bcm2835_map_io(void)
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{
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iotable_init(&io_map, 1);
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}
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void __init bcm2835_init_irq(void)
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{
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}
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asmlinkage void __exception_irq_entry bcm2835_handle_irq(struct pt_regs *regs)
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{
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}
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void __init bcm2835_init(void)
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{
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int ret;
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ret = of_platform_populate(NULL, of_default_bus_match_table, NULL,
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NULL);
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if (ret) {
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pr_err("of_platform_populate failed: %d\n", ret);
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BUG();
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}
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}
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static void __init bcm2835_timer_init(void)
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{
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}
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struct sys_timer bcm2835_timer = {
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.init = bcm2835_timer_init
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};
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static const char * const bcm2835_compat[] = {
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"brcm,bcm2835",
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NULL
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};
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DT_MACHINE_START(BCM2835, "BCM2835")
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.map_io = bcm2835_map_io,
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.init_irq = bcm2835_init_irq,
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.handle_irq = bcm2835_handle_irq,
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.init_machine = bcm2835_init,
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.timer = &bcm2835_timer,
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.dt_compat = bcm2835_compat
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MACHINE_END
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