/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c
https://bitbucket.org/evzijst/gittest · C · 97 lines · 51 code · 14 blank · 32 comment · 6 complexity · 96a7352c767840b8cfc447c8e30a3708 MD5 · raw file
- /*
- * rbtx4927 specific prom routines
- *
- * Author: MontaVista Software, Inc.
- * source@mvista.com
- *
- * Copyright 2001-2002 MontaVista Software Inc.
- *
- * Copyright (C) 2004 MontaVista Software Inc.
- * Author: Manish Lachwani, mlachwani@mvista.com
- *
- * 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/init.h>
- #include <linux/mm.h>
- #include <linux/sched.h>
- #include <linux/bootmem.h>
- #include <asm/addrspace.h>
- #include <asm/bootinfo.h>
- #include <asm/cpu.h>
- #include <asm/tx4927/tx4927.h>
- void __init prom_init_cmdline(void)
- {
- int argc = (int) fw_arg0;
- char **argv = (char **) fw_arg1;
- int i; /* Always ignore the "-c" at argv[0] */
- /* ignore all built-in args if any f/w args given */
- if (argc > 1) {
- *arcs_cmdline = '\0';
- }
- for (i = 1; i < argc; i++) {
- if (i != 1) {
- strcat(arcs_cmdline, " ");
- }
- strcat(arcs_cmdline, argv[i]);
- }
- }
- void __init prom_init(void)
- {
- const char* toshiba_name_list[] = GROUP_TOSHIBA_NAMES;
- extern int tx4927_get_mem_size(void);
- extern char* toshiba_name;
- int msize;
- prom_init_cmdline();
- mips_machgroup = MACH_GROUP_TOSHIBA;
- if ((read_c0_prid() & 0xff) == PRID_REV_TX4927)
- mips_machtype = MACH_TOSHIBA_RBTX4927;
- else
- mips_machtype = MACH_TOSHIBA_RBTX4937;
- toshiba_name = toshiba_name_list[mips_machtype];
- msize = tx4927_get_mem_size();
- add_memory_region(0, msize << 20, BOOT_MEM_RAM);
- }
- unsigned long __init prom_free_prom_memory(void)
- {
- return 0;
- }
- const char *get_system_type(void)
- {
- return "Toshiba RBTX4927/RBTX4937";
- }
- char * __init prom_getcmdline(void)
- {
- return &(arcs_cmdline[0]);
- }