init.c 993 字节
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/*
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 * Copyright (C) 2009 Lemote Inc.
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 * Author: Wu Zhangjin, wuzhangjin@gmail.com
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 *
 * 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.
 */

#include <linux/bootmem.h>

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#include <loongson.h>
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/* Loongson CPU address windows config space base address */
unsigned long __maybe_unused _loongson_addrwincfg_base;

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void __init prom_init(void)
{
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	/* init base address of io space */
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	set_io_port_base((unsigned long)
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		ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
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#ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG
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	_loongson_addrwincfg_base = (unsigned long)
		ioremap(LOONGSON_ADDRWINCFG_BASE, LOONGSON_ADDRWINCFG_SIZE);
#endif

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	prom_init_cmdline();
	prom_init_env();
	prom_init_memory();
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	/*init the uart base address */
	prom_init_uart_base();
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}

void __init prom_free_prom_memory(void)
{
}