57 строки
1.2 KiB
C
57 строки
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) NEC Electronics Corporation 2004-2006
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*
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* This file is based on the arch/mips/ddb5xxx/common/prom.c
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*
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* Copyright 2001 MontaVista Software Inc.
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*/
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/sched.h>
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#include <linux/memblock.h>
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#include <asm/addrspace.h>
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#include <asm/bootinfo.h>
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#include <asm/emma/emma2rh.h>
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const char *get_system_type(void)
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{
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#ifdef CONFIG_NEC_MARKEINS
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return "NEC EMMA2RH Mark-eins";
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#else
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#error Unknown NEC board
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#endif
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}
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/* [jsun@junsun.net] PMON passes arguments in C main() style */
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void __init prom_init(void)
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{
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int argc = fw_arg0;
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char **arg = (char **)fw_arg1;
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int i;
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/* if user passes kernel args, ignore the default one */
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if (argc > 1)
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arcs_cmdline[0] = '\0';
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/* arg[0] is "g", the rest is boot parameters */
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for (i = 1; i < argc; i++) {
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if (strlen(arcs_cmdline) + strlen(arg[i]) + 1
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>= sizeof(arcs_cmdline))
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break;
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strcat(arcs_cmdline, arg[i]);
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strcat(arcs_cmdline, " ");
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}
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#ifdef CONFIG_NEC_MARKEINS
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add_memory_region(0, EMMA2RH_RAM_SIZE, BOOT_MEM_RAM);
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#else
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#error Unknown NEC board
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#endif
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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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