mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-13 06:22:51 +02:00
d4aeb1b5c8
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6848 3c298f89-4303-0410-b956-a3cf2f4a3e73
144 lines
3.7 KiB
C
144 lines
3.7 KiB
C
/*
|
|
<:copyright-gpl
|
|
Copyright 2004 Broadcom Corp. All Rights Reserved.
|
|
|
|
This program is free software; you can distribute it and/or modify it
|
|
under the terms of the GNU General Public License (Version 2) as
|
|
published by the Free Software Foundation.
|
|
|
|
This program is distributed in the hope it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
for more details.
|
|
|
|
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.,
|
|
59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
|
|
:>
|
|
*/
|
|
/*
|
|
* prom.c: PROM library initialization code.
|
|
*
|
|
*/
|
|
#include <linux/init.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/bootmem.h>
|
|
#include <linux/blkdev.h>
|
|
#include <asm/addrspace.h>
|
|
#include <asm/bootinfo.h>
|
|
#include <asm/cpu.h>
|
|
#include <asm/time.h>
|
|
|
|
#include <bcm_map_part.h>
|
|
#include <board.h>
|
|
#include "boardparms.h"
|
|
#include "softdsl/AdslCoreDefs.h"
|
|
|
|
|
|
//char arcs_cmdline[CL_SIZE] __initdata = {0};
|
|
/* inv_xde */
|
|
int boot_loader_type;
|
|
int prom_argc;
|
|
char **prom_argv, **prom_envp;
|
|
|
|
extern int do_syslog(int, char *, int);
|
|
extern void serial_init(void);
|
|
extern void __init InitNvramInfo( void );
|
|
extern void kerSysFlashInit( void );
|
|
extern unsigned long get_nvram_start_addr(void);
|
|
void __init create_root_nfs_cmdline( char *cmdline );
|
|
|
|
#define MACH_BCM MACH_BCM96348
|
|
|
|
const char *get_system_type(void)
|
|
{
|
|
/*PNVRAM_DATA pNvramData = (PNVRAM_DATA) get_nvram_start_addr();
|
|
|
|
return( pNvramData->szBoardId );*/
|
|
return "brcm63xx";
|
|
}
|
|
|
|
unsigned long getMemorySize(void)
|
|
{
|
|
unsigned long ulSdramType = BOARD_SDRAM_TYPE;
|
|
|
|
unsigned long ulSdramSize;
|
|
|
|
switch( ulSdramType )
|
|
{
|
|
case BP_MEMORY_16MB_1_CHIP:
|
|
case BP_MEMORY_16MB_2_CHIP:
|
|
ulSdramSize = 16 * 1024 * 1024;
|
|
break;
|
|
case BP_MEMORY_32MB_1_CHIP:
|
|
case BP_MEMORY_32MB_2_CHIP:
|
|
ulSdramSize = 32 * 1024 * 1024;
|
|
break;
|
|
case BP_MEMORY_64MB_2_CHIP:
|
|
ulSdramSize = 64 * 1024 * 1024;
|
|
break;
|
|
default:
|
|
ulSdramSize = 8 * 1024 * 1024;
|
|
break;
|
|
}
|
|
if (boot_loader_type == BOOT_CFE)
|
|
return ulSdramSize;
|
|
else
|
|
// assume that there is one contiguous memory map
|
|
return boot_mem_map.map[0].size;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------
|
|
Name: prom_init
|
|
-------------------------------------------------------------------------- */
|
|
void __init prom_init(void)
|
|
{
|
|
extern ulong r4k_interval;
|
|
|
|
serial_init();
|
|
|
|
prom_argc = fw_arg0;
|
|
prom_argv = (char **) fw_arg1;
|
|
prom_envp = (char **) fw_arg2;
|
|
|
|
if ((prom_argv > 0x80000000) && (prom_argv < 0x82000000)) {
|
|
strncpy(arcs_cmdline, prom_argv[1], CL_SIZE);
|
|
}
|
|
|
|
if (strncmp(arcs_cmdline, "boot_loader=RedBoot", 19) != 0) {
|
|
boot_loader_type = BOOT_CFE;
|
|
}
|
|
else {
|
|
boot_loader_type = BOOT_REDBOOT;
|
|
}
|
|
|
|
do_syslog(8, NULL, 8);
|
|
|
|
printk( "%s prom init\n", get_system_type() );
|
|
|
|
PERF->IrqMask = 0;
|
|
|
|
arcs_cmdline[0] = '\0';
|
|
|
|
if (boot_loader_type == BOOT_CFE)
|
|
add_memory_region(0, (getMemorySize() - ADSL_SDRAM_IMAGE_SIZE), BOOT_MEM_RAM);
|
|
else
|
|
add_memory_region(0, (0x01000000 - ADSL_SDRAM_IMAGE_SIZE), BOOT_MEM_RAM);
|
|
|
|
mips_machgroup = MACH_GROUP_BRCM;
|
|
mips_machtype = MACH_BCM;
|
|
|
|
BpSetBoardId("96348GW-10");
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------
|
|
Name: prom_free_prom_memory
|
|
Abstract:
|
|
-------------------------------------------------------------------------- */
|
|
void __init prom_free_prom_memory(void)
|
|
{
|
|
|
|
}
|
|
|