78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
|
/*
|
||
|
* linux/arch/mips/tx4938/toshiba_rbtx4938/prom.c
|
||
|
*
|
||
|
* rbtx4938 specific prom routines
|
||
|
* Copyright (C) 2000-2001 Toshiba Corporation
|
||
|
*
|
||
|
* 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
|
||
|
* terms of the GNU General Public License version 2. This program is
|
||
|
* licensed "as is" without any warranty of any kind, whether express
|
||
|
* or implied.
|
||
|
*
|
||
|
* Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
|
||
|
*/
|
||
|
|
||
|
#include <linux/init.h>
|
||
|
#include <linux/mm.h>
|
||
|
#include <linux/sched.h>
|
||
|
#include <linux/bootmem.h>
|
||
|
|
||
|
#include <asm/addrspace.h>
|
||
|
#include <asm/bootinfo.h>
|
||
|
#include <asm/tx4938/tx4938.h>
|
||
|
|
||
|
void __init prom_init_cmdline(void)
|
||
|
{
|
||
|
int argc = (int) fw_arg0;
|
||
|
char **argv = (char **) fw_arg1;
|
||
|
int i;
|
||
|
|
||
|
/* ignore all built-in args if any f/w args given */
|
||
|
if (argc > 1) {
|
||
|
*arcs_cmdline = '\0';
|
||
|
}
|
||
|
|
||
|
for (i = 1; i < argc; i++) {
|
||
|
if (i != 1) {
|
||
|
strcat(arcs_cmdline, " ");
|
||
|
}
|
||
|
strcat(arcs_cmdline, argv[i]);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void __init prom_init(void)
|
||
|
{
|
||
|
extern int tx4938_get_mem_size(void);
|
||
|
int msize;
|
||
|
#ifndef CONFIG_TX4938_NAND_BOOT
|
||
|
prom_init_cmdline();
|
||
|
#endif
|
||
|
mips_machgroup = MACH_GROUP_TOSHIBA;
|
||
|
mips_machtype = MACH_TOSHIBA_RBTX4938;
|
||
|
|
||
|
msize = tx4938_get_mem_size();
|
||
|
add_memory_region(0, msize << 20, BOOT_MEM_RAM);
|
||
|
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
unsigned long __init prom_free_prom_memory(void)
|
||
|
{
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
void __init prom_fixup_mem_map(unsigned long start, unsigned long end)
|
||
|
{
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
const char *get_system_type(void)
|
||
|
{
|
||
|
return "Toshiba RBTX4938";
|
||
|
}
|
||
|
|
||
|
char * __init prom_getcmdline(void)
|
||
|
{
|
||
|
return &(arcs_cmdline[0]);
|
||
|
}
|