mirror of https://gitee.com/openkylin/linux.git
70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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* Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
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* Copyright (C) 2010 Joonas Lahtinen <joonas.lahtinen@gmail.com>
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* Copyright (C) 2013 John Crispin <blogic@openwrt.org>
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*/
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#include <linux/string.h>
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#include <linux/of_fdt.h>
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#include <linux/of_platform.h>
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#include <asm/bootinfo.h>
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#include <asm/addrspace.h>
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#include "common.h"
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struct ralink_soc_info soc_info;
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const char *get_system_type(void)
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{
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return soc_info.sys_type;
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}
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static __init void prom_init_cmdline(int argc, char **argv)
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{
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int i;
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pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n",
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(unsigned int)fw_arg0, (unsigned int)fw_arg1,
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(unsigned int)fw_arg2, (unsigned int)fw_arg3);
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argc = fw_arg0;
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argv = (char **) KSEG1ADDR(fw_arg1);
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if (!argv) {
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pr_debug("argv=%p is invalid, skipping\n",
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argv);
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return;
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}
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for (i = 0; i < argc; i++) {
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char *p = (char *) KSEG1ADDR(argv[i]);
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if (CPHYSADDR(p) && *p) {
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pr_debug("argv[%d]: %s\n", i, p);
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strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
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strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
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}
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}
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}
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void __init prom_init(void)
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{
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int argc;
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char **argv;
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prom_soc_init(&soc_info);
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pr_info("SoC Type: %s\n", get_system_type());
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prom_init_cmdline(argc, argv);
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}
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void __init prom_free_prom_memory(void)
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{
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}
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