arch/mips/jmr3927/rbhma3100/init.c

   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 }