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-rw-r--r--arch/mips/au1000/mtx-1/init.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/mips/au1000/mtx-1/init.c b/arch/mips/au1000/mtx-1/init.c
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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}