113 lines
3.3 KiB
C
113 lines
3.3 KiB
C
/**************************************************************************
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*
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* BRIEF MODULE DESCRIPTION
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* prom interface routines
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*
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* Copyright 2004 IDT Inc. (rischelp@idt.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. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* 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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*
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**************************************************************************
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* May 2004 rkt, neb
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*
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* Initial Release
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*
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*
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*
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**************************************************************************
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*/
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#include <linux/autoconf.h>
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/module.h>
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#include <linux/string.h>
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#include <linux/console.h>
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#include <asm/bootinfo.h>
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#include <linux/bootmem.h>
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#include <linux/ioport.h>
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#include <linux/serial.h>
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#include <linux/serialP.h>
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#include <asm/serial.h>
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#include <linux/ioport.h>
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unsigned int idt_cpu_freq;
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EXPORT_SYMBOL(idt_cpu_freq);
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unsigned int arch_has_pci=0;
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/* Kernel Boot parameters */
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static unsigned char bootparm[] =
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"root=/dev/mtdblock1 rootfstype=squashfs,jffs2 noinitrd console=ttyS0,9600 init=/etc/preinit";
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extern unsigned long mips_machgroup;
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extern unsigned long mips_machtype;
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extern void setup_serial_port(void);
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extern char * getenv(char *e);
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/* IDT 79EB434 memory map -- we really should be auto sizing it */
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#define RAM_SIZE 32*1024*1024
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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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void __init prom_init(void)
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{
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char *boardname;
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sprintf(arcs_cmdline, "%s", bootparm);
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/* set our arch type */
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mips_machgroup = MACH_GROUP_ARUBA;
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mips_machtype = MACH_ARUBA_UNKNOWN;
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boardname=getenv("boardname");
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if (!strcmp(boardname,"Muscat")) {
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mips_machtype = MACH_ARUBA_AP70;
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idt_cpu_freq = 133000000;
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arch_has_pci=1;
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} else if (!strcmp(boardname,"Mataro")) {
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mips_machtype = MACH_ARUBA_AP65;
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idt_cpu_freq = 110000000;
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} else if (!strcmp(boardname,"Merlot")) {
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mips_machtype = MACH_ARUBA_AP60;
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idt_cpu_freq = 90000000;
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}
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/* turn on the console */
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setup_serial_port();
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/*
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* give all RAM to boot allocator,
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* except where the kernel was loaded
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*/
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add_memory_region(0,RAM_SIZE,BOOT_MEM_RAM);
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}
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void prom_free_prom_memory(void)
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{
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printk("stubbed prom_free_prom_memory()\n");
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}
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