diff options
Diffstat (limited to 'target/linux/aruba-2.6/files/arch/mips/aruba/prom.c')
| -rw-r--r-- | target/linux/aruba-2.6/files/arch/mips/aruba/prom.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/target/linux/aruba-2.6/files/arch/mips/aruba/prom.c b/target/linux/aruba-2.6/files/arch/mips/aruba/prom.c new file mode 100644 index 0000000000..b70a0e70e4 --- /dev/null +++ b/target/linux/aruba-2.6/files/arch/mips/aruba/prom.c @@ -0,0 +1,114 @@ +/************************************************************************** + * + * 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[] = + "init=/etc/preinit noinitrd " + "mtdparts=physmap-flash.0:3520k@0x080000(kernel),2752k@0x140000(rootfs),8k@0x3f8000(NVRAM) " + "console=ttyS0,9600 root=/dev/mtdblock1 rootfstype=squashfs,jffs2 "; + +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"); +} |