Release 4.7 arch/mips/xilfpga/init.c

/*
 * Xilfpga platform setup
 *
 * Copyright (C) 2015 Imagination Technologies
 * Author: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 */

#include <linux/of_fdt.h>
#include <linux/of_platform.h>

#include <asm/prom.h>


#define XILFPGA_UART_BASE	0xb0401000



const char *get_system_type(void)
{
	return "MIPSfpga";
}

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void __init plat_mem_setup(void)
{
	__dt_setup_arch(__dtb_start);
	strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
}

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void __init prom_init(void)
{
	setup_8250_early_printk_port(XILFPGA_UART_BASE, 2, 50000);
}

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void __init prom_free_prom_memory(void)
{
}

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void __init device_tree_init(void)
{
	if (!initial_boot_params)
		return;

	unflatten_and_copy_device_tree();
}

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static int __init plat_of_setup(void)
{
	if (!of_have_populated_dt())
		panic("Device tree not present");

	if (of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL))
		panic("Failed to populate DT");

	return 0;
}
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arch_initcall(plat_of_setup);
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Directory: arch/mips/xilfpga

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