57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
|
// 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)
|
||
|
|
{
|
||
|
|
}
|