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