init.c
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上传日期:2013-04-10
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- /***********************************************************************
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ahennessy@mvista.com
- *
- * arch/mips/jmr3927/common/init.c
- *
- * Copyright (C) 2000-2001 Toshiba Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- ***********************************************************************
- */
- #include <linux/config.h>
- #include <linux/init.h>
- #include <linux/mm.h>
- #include <linux/sched.h>
- #include <linux/bootmem.h>
- #include <asm/addrspace.h>
- #include <asm/bootinfo.h>
- #include <asm/mipsregs.h>
- #include <asm/jmr3927/jmr3927.h>
- int prom_argc;
- char **prom_argv, **prom_envp;
- extern void __init prom_init_cmdline(void);
- extern char *prom_getenv(char *envname);
- unsigned long mips_nofpu = 0;
- const char *get_system_type(void)
- {
- return "Toshiba"
- #ifdef CONFIG_TOSHIBA_JMR3927
- " JMR_TX3927"
- #endif
- ;
- }
- extern void puts(unsigned char *cp);
- int __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
- {
- #ifdef CONFIG_TOSHIBA_JMR3927
- /* CCFG */
- if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0)
- puts("Warning: TX3927 TLB offn");
- #endif
- prom_argc = argc;
- prom_argv = argv;
- prom_envp = envp;
- mips_machgroup = MACH_GROUP_TOSHIBA;
- #ifdef CONFIG_TOSHIBA_JMR3927
- mips_machtype = MACH_TOSHIBA_JMR3927;
- #endif
- prom_init_cmdline();
- add_memory_region(0, JMR3927_SDRAM_SIZE, BOOT_MEM_RAM);
- return 0;
- }