1 /***********************************************************************
2 *
3 * Copyright 2001 MontaVista Software Inc.
4 * Author: MontaVista Software, Inc.
5 * ahennessy@mvista.com
6 *
7 * arch/mips/jmr3927/common/init.c
8 *
9 * Copyright (C) 2000-2001 Toshiba Corporation
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 ***********************************************************************
32 */
33 #include <linux/config.h>
34 #include <linux/init.h>
35 #include <linux/mm.h>
36 #include <linux/sched.h>
37 #include <linux/bootmem.h>
38
39 #include <asm/addrspace.h>
40 #include <asm/bootinfo.h>
41 #include <asm/mipsregs.h>
42 #include <asm/jmr3927/jmr3927.h>
43
44 int prom_argc;
45 char **prom_argv, **prom_envp;
46 extern void __init prom_init_cmdline(void);
47 extern char *prom_getenv(char *envname);
48 unsigned long mips_nofpu = 0;
49
50 const char *get_system_type(void)
51 {
52 return "Toshiba"
53 #ifdef CONFIG_TOSHIBA_JMR3927
54 " JMR_TX3927"
55 #endif
56 ;
57 }
58
59 extern void puts(unsigned char *cp);
60 int __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
61 {
62 #ifdef CONFIG_TOSHIBA_JMR3927
63 /* CCFG */
64 if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0)
65 puts("Warning: TX3927 TLB off\n");
66 #endif
67 prom_argc = argc;
68 prom_argv = argv;
69 prom_envp = envp;
70
71 mips_machgroup = MACH_GROUP_TOSHIBA;
72
73 #ifdef CONFIG_TOSHIBA_JMR3927
74 mips_machtype = MACH_TOSHIBA_JMR3927;
75 #endif
76
77 prom_init_cmdline();
78 add_memory_region(0, JMR3927_SDRAM_SIZE, BOOT_MEM_RAM);
79 return 0;
80 }
81
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