mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-10 03:39:22 +02:00
0dedaffb32
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7294 3c298f89-4303-0410-b956-a3cf2f4a3e73
113 lines
3.3 KiB
C
113 lines
3.3 KiB
C
/**************************************************************************
|
|
*
|
|
* BRIEF MODULE DESCRIPTION
|
|
* prom interface routines
|
|
*
|
|
* Copyright 2004 IDT Inc. (rischelp@idt.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.
|
|
*
|
|
*
|
|
**************************************************************************
|
|
* May 2004 rkt, neb
|
|
*
|
|
* Initial Release
|
|
*
|
|
*
|
|
*
|
|
**************************************************************************
|
|
*/
|
|
|
|
#include <linux/autoconf.h>
|
|
#include <linux/init.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/module.h>
|
|
#include <linux/string.h>
|
|
#include <linux/console.h>
|
|
#include <asm/bootinfo.h>
|
|
#include <linux/bootmem.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/serial.h>
|
|
#include <linux/serialP.h>
|
|
#include <asm/serial.h>
|
|
#include <linux/ioport.h>
|
|
|
|
unsigned int idt_cpu_freq;
|
|
EXPORT_SYMBOL(idt_cpu_freq);
|
|
|
|
unsigned int arch_has_pci=0;
|
|
|
|
/* Kernel Boot parameters */
|
|
static unsigned char bootparm[] =
|
|
"root=/dev/mtdblock1 rootfstype=squashfs,jffs2 noinitrd console=ttyS0,9600 init=/etc/preinit";
|
|
|
|
extern unsigned long mips_machgroup;
|
|
extern unsigned long mips_machtype;
|
|
|
|
extern void setup_serial_port(void);
|
|
extern char * getenv(char *e);
|
|
|
|
/* IDT 79EB434 memory map -- we really should be auto sizing it */
|
|
#define RAM_SIZE 32*1024*1024
|
|
|
|
char *__init prom_getcmdline(void)
|
|
{
|
|
return &(arcs_cmdline[0]);
|
|
}
|
|
|
|
void __init prom_init(void)
|
|
{
|
|
char *boardname;
|
|
sprintf(arcs_cmdline, "%s", bootparm);
|
|
|
|
/* set our arch type */
|
|
mips_machgroup = MACH_GROUP_ARUBA;
|
|
mips_machtype = MACH_ARUBA_UNKNOWN;
|
|
|
|
boardname=getenv("boardname");
|
|
|
|
if (!strcmp(boardname,"Muscat")) {
|
|
mips_machtype = MACH_ARUBA_AP70;
|
|
idt_cpu_freq = 133000000;
|
|
arch_has_pci=1;
|
|
} else if (!strcmp(boardname,"Mataro")) {
|
|
mips_machtype = MACH_ARUBA_AP65;
|
|
idt_cpu_freq = 110000000;
|
|
} else if (!strcmp(boardname,"Merlot")) {
|
|
mips_machtype = MACH_ARUBA_AP60;
|
|
idt_cpu_freq = 90000000;
|
|
}
|
|
|
|
/* turn on the console */
|
|
setup_serial_port();
|
|
|
|
/*
|
|
* give all RAM to boot allocator,
|
|
* except where the kernel was loaded
|
|
*/
|
|
add_memory_region(0,RAM_SIZE,BOOT_MEM_RAM);
|
|
}
|
|
|
|
void prom_free_prom_memory(void)
|
|
{
|
|
printk("stubbed prom_free_prom_memory()\n");
|
|
}
|