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