2 * linux/arch/mips/tx4938/toshiba_rbtx4938/prom.c
4 * rbtx4938 specific prom routines
5 * Copyright (C) 2000-2001 Toshiba Corporation
7 * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
8 * terms of the GNU General Public License version 2. This program is
9 * licensed "as is" without any warranty of any kind, whether express
12 * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
15 #include <linux/init.h>
17 #include <linux/sched.h>
18 #include <linux/bootmem.h>
20 #include <asm/addrspace.h>
21 #include <asm/bootinfo.h>
22 #include <asm/tx4938/tx4938.h>
24 void __init prom_init_cmdline(void)
26 int argc = (int) fw_arg0;
27 char **argv = (char **) fw_arg1;
30 /* ignore all built-in args if any f/w args given */
35 for (i = 1; i < argc; i++) {
37 strcat(arcs_cmdline, " ");
39 strcat(arcs_cmdline, argv[i]);
43 void __init prom_init(void)
45 extern int tx4938_get_mem_size(void);
47 #ifndef CONFIG_TX4938_NAND_BOOT
50 mips_machtype = MACH_TOSHIBA_RBTX4938;
52 msize = tx4938_get_mem_size();
53 add_memory_region(0, msize << 20, BOOT_MEM_RAM);
58 void __init prom_free_prom_memory(void)
62 void __init prom_fixup_mem_map(unsigned long start, unsigned long end)
67 const char *get_system_type(void)
69 return "Toshiba RBTX4938";
72 char * __init prom_getcmdline(void)
74 return &(arcs_cmdline[0]);