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/arch/mips/au1000/mtx-1/init.c

https://bitbucket.org/evzijst/gittest
C | 71 lines | 34 code | 7 blank | 30 comment | 1 complexity | 488743626e6c00304ae2929ce5941c6f MD5 | raw file
 1/*
 2 *
 3 * BRIEF MODULE DESCRIPTION
 4 *	4G Systems MTX-1 board setup
 5 *
 6 * Copyright 2003 MontaVista Software Inc.
 7 * Author: MontaVista Software, Inc.
 8 *         	ppopov@mvista.com or source@mvista.com
 9 *         Bruno Randolf <bruno.randolf@4g-systems.biz>
10 *
11 *  This program is free software; you can redistribute  it and/or modify it
12 *  under  the terms of  the GNU General  Public License as published by the
13 *  Free Software Foundation;  either version 2 of the  License, or (at your
14 *  option) any later version.
15 *
16 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
17 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
18 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
19 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
20 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
22 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
23 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
24 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 *  You should have received a copy of the  GNU General Public License along
28 *  with this program; if not, write  to the Free Software Foundation, Inc.,
29 *  675 Mass Ave, Cambridge, MA 02139, USA.
30 */
31#include <linux/string.h>
32#include <linux/kernel.h>
33#include <linux/sched.h>
34#include <linux/init.h>
35#include <linux/mm.h>
36#include <linux/sched.h>
37#include <linux/bootmem.h>
38#include <asm/addrspace.h>
39#include <asm/bootinfo.h>
40
41int prom_argc;
42char **prom_argv, **prom_envp;
43extern void  __init prom_init_cmdline(void);
44extern char *prom_getenv(char *envname);
45
46const char *get_system_type(void)
47{
48	return "MTX-1";
49}
50
51void __init prom_init(void)
52{
53	unsigned char *memsize_str;
54	unsigned long memsize;
55
56	prom_argc = fw_arg0;
57	prom_argv = (char **) fw_arg1;
58	prom_envp = (char **) fw_arg2;
59
60	mips_machgroup = MACH_GROUP_ALCHEMY;
61	mips_machtype = MACH_MTX1;	/* set the platform # */
62
63	prom_init_cmdline();
64
65	memsize_str = prom_getenv("memsize");
66	if (!memsize_str)
67		memsize = 0x04000000;
68	else
69		memsize = simple_strtol(memsize_str, NULL, 0);
70	add_memory_region(0, memsize, BOOT_MEM_RAM);
71}