blob: a0674d73962ff950092546cab9aae3827a1c748d [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Copyright 2001 MontaVista Software Inc.
3 * Author: MontaVista Software, Inc.
4 * ahennessy@mvista.com
5 *
6 * arch/mips/jmr3927/common/init.c
7 *
8 * Copyright (C) 2000-2001 Toshiba Corporation
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 *
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
16 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
18 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
21 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
22 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * You should have received a copy of the GNU General Public License along
27 * with this program; if not, write to the Free Software Foundation, Inc.,
28 * 675 Mass Ave, Cambridge, MA 02139, USA.
29 */
30#include <linux/config.h>
31#include <linux/init.h>
32#include <linux/mm.h>
33#include <linux/sched.h>
34#include <linux/bootmem.h>
35
36#include <asm/addrspace.h>
37#include <asm/bootinfo.h>
38#include <asm/mipsregs.h>
39#include <asm/jmr3927/jmr3927.h>
40
41int prom_argc;
42char **prom_argv, **prom_envp;
43extern void __init prom_init_cmdline(void);
44extern char *prom_getenv(char *envname);
45unsigned long mips_nofpu = 0;
46
47const char *get_system_type(void)
48{
49 return "Toshiba"
50#ifdef CONFIG_TOSHIBA_JMR3927
51 " JMR_TX3927"
52#endif
53 ;
54}
55
56extern void puts(unsigned char *cp);
57
58void __init prom_init(void)
59{
60#ifdef CONFIG_TOSHIBA_JMR3927
61 /* CCFG */
62 if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0)
63 puts("Warning: TX3927 TLB off\n");
64#endif
65 prom_argc = fw_arg0;
66 prom_argv = (char **) fw_arg1;
67 prom_envp = (char **) fw_arg2;
68
69 mips_machgroup = MACH_GROUP_TOSHIBA;
70
71#ifdef CONFIG_TOSHIBA_JMR3927
72 mips_machtype = MACH_TOSHIBA_JMR3927;
73#endif
74
75 prom_init_cmdline();
76 add_memory_region(0, JMR3927_SDRAM_SIZE, BOOT_MEM_RAM);
77}