05dc8c02bf
This has not been any serious user of this ill conceived thing since the original invention in like '95. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
/*
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* rbtx4927 specific prom routines
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*
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* Author: MontaVista Software, Inc.
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* source@mvista.com
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*
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* Copyright 2001-2002 MontaVista Software Inc.
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*
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* Copyright (C) 2004 MontaVista Software Inc.
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* Author: Manish Lachwani, mlachwani@mvista.com
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/sched.h>
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#include <linux/bootmem.h>
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#include <asm/addrspace.h>
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#include <asm/bootinfo.h>
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#include <asm/cpu.h>
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#include <asm/tx4927/tx4927.h>
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void __init prom_init_cmdline(void)
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{
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int argc = (int) fw_arg0;
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char **argv = (char **) fw_arg1;
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int i; /* Always ignore the "-c" at argv[0] */
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/* ignore all built-in args if any f/w args given */
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if (argc > 1) {
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*arcs_cmdline = '\0';
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}
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for (i = 1; i < argc; i++) {
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if (i != 1) {
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strcat(arcs_cmdline, " ");
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}
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strcat(arcs_cmdline, argv[i]);
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}
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}
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void __init prom_init(void)
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{
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extern int tx4927_get_mem_size(void);
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extern char* toshiba_name;
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int msize;
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prom_init_cmdline();
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if ((read_c0_prid() & 0xff) == PRID_REV_TX4927) {
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mips_machtype = MACH_TOSHIBA_RBTX4927;
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toshiba_name = "TX4927";
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} else {
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mips_machtype = MACH_TOSHIBA_RBTX4937;
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toshiba_name = "TX4937";
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}
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msize = tx4927_get_mem_size();
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add_memory_region(0, msize << 20, BOOT_MEM_RAM);
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}
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void __init prom_free_prom_memory(void)
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{
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}
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const char *get_system_type(void)
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{
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return "Toshiba RBTX4927/RBTX4937";
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}
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char * __init prom_getcmdline(void)
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{
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return &(arcs_cmdline[0]);
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}
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