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