80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/*
|
|
* BRIEF MODULE DESCRIPTION
|
|
* PB1000 board setup
|
|
*
|
|
* Copyright 2001 MontaVista Software Inc.
|
|
* Author: MontaVista Software, Inc.
|
|
* ppopov@mvista.com or source@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 <linux/string.h>
|
|
#include <linux/kernel.h>
|
|
|
|
#include <asm/addrspace.h>
|
|
#include <asm/bootinfo.h>
|
|
|
|
#include <prom.h>
|
|
|
|
const char *get_system_type(void)
|
|
{
|
|
#ifdef CONFIG_MIPS_BOSPORUS
|
|
return "Alchemy Bosporus Gateway Reference";
|
|
#else
|
|
return "Alchemy Db1x00";
|
|
#endif
|
|
}
|
|
|
|
void __init prom_init(void)
|
|
{
|
|
unsigned char *memsize_str;
|
|
unsigned long memsize;
|
|
|
|
prom_argc = fw_arg0;
|
|
prom_argv = (char **) fw_arg1;
|
|
prom_envp = (char **) fw_arg2;
|
|
|
|
/* Set the platform # */
|
|
#if defined(CONFIG_MIPS_DB1550)
|
|
mips_machtype = MACH_DB1550;
|
|
#elif defined(CONFIG_MIPS_DB1500)
|
|
mips_machtype = MACH_DB1500;
|
|
#elif defined(CONFIG_MIPS_DB1100)
|
|
mips_machtype = MACH_DB1100;
|
|
#else
|
|
mips_machtype = MACH_DB1000;
|
|
#endif
|
|
|
|
prom_init_cmdline();
|
|
|
|
memsize_str = prom_getenv("memsize");
|
|
if (!memsize_str)
|
|
memsize = 0x04000000;
|
|
else
|
|
memsize = simple_strtol(memsize_str, NULL, 0);
|
|
add_memory_region(0, memsize, BOOT_MEM_RAM);
|
|
}
|