mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-19 17:08:26 +02:00
015aed1317
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7916 3c298f89-4303-0410-b956-a3cf2f4a3e73
143 lines
2.9 KiB
C
143 lines
2.9 KiB
C
/*
|
|
* $Id$
|
|
*
|
|
* Mikrotik's RouterBOOT specific prom routines
|
|
*
|
|
* Copyright (C) 2007 OpenWrt.org
|
|
* Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
|
|
*
|
|
* 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 program is distributed in the hope that 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., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/autoconf.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/string.h>
|
|
|
|
#include <asm/bootinfo.h>
|
|
#include <asm/addrspace.h>
|
|
|
|
#include <adm5120_defs.h>
|
|
#include <prom/routerboot.h>
|
|
#include "prom_read.h"
|
|
|
|
static struct rb_hard_settings rb_hs;
|
|
static int rb_found = 0;
|
|
|
|
static int __init routerboot_load_hs(u8 *buf, u16 buflen)
|
|
{
|
|
u16 id,len;
|
|
u8 *mac;
|
|
int i,j;
|
|
|
|
memset(&rb_hs, 0, sizeof(rb_hs));
|
|
|
|
if (buflen < 4)
|
|
return -1;
|
|
|
|
if (prom_read_le32(buf) != RB_MAGIC_HARD)
|
|
return -1;
|
|
|
|
/* skip magic value */
|
|
buf += 4;
|
|
buflen -= 4;
|
|
|
|
while (buflen > 2) {
|
|
id = prom_read_le16(buf);
|
|
buf += 2;
|
|
buflen -= 2;
|
|
if (id == RB_ID_TERMINATOR || buflen < 2)
|
|
break;
|
|
|
|
len = prom_read_le16(buf);
|
|
buf += 2;
|
|
buflen -= 2;
|
|
|
|
if (buflen < len)
|
|
break;
|
|
|
|
switch (id) {
|
|
case RB_ID_BIOS_VERSION:
|
|
rb_hs.bios_ver = (char *)buf;
|
|
break;
|
|
case RB_ID_BOARD_NAME:
|
|
rb_hs.name = (char *)buf;
|
|
break;
|
|
case RB_ID_MEMORY_SIZE:
|
|
rb_hs.mem_size = prom_read_le32(buf);
|
|
break;
|
|
case RB_ID_MAC_ADDRESS_COUNT:
|
|
rb_hs.mac_count = prom_read_le32(buf);
|
|
break;
|
|
case RB_ID_MAC_ADDRESS_PACK:
|
|
rb_hs.mac_count = len/RB_MAC_SIZE;
|
|
if (rb_hs.mac_count > RB_MAX_MAC_COUNT)
|
|
rb_hs.mac_count = RB_MAX_MAC_COUNT;
|
|
mac = buf;
|
|
for (i=0; i < rb_hs.mac_count; i++) {
|
|
for (j=0; j < RB_MAC_SIZE; j++)
|
|
rb_hs.macs[i][j] = mac[j];
|
|
mac += RB_MAC_SIZE;
|
|
}
|
|
break;
|
|
}
|
|
|
|
buf += len;
|
|
buflen -= len;
|
|
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define RB_BS_OFFS 0x14
|
|
#define RB_OFFS_MAX (128*1024)
|
|
|
|
int __init routerboot_present(void)
|
|
{
|
|
struct rb_bios_settings *bs;
|
|
u8 *base;
|
|
u32 off,len;
|
|
|
|
if (rb_found)
|
|
goto out;
|
|
|
|
base = (u8 *)KSEG1ADDR(ADM5120_SRAM0_BASE);
|
|
bs = (struct rb_bios_settings *)(base + RB_BS_OFFS);
|
|
|
|
off = prom_read_le32(&bs->hs_offs);
|
|
len = prom_read_le32(&bs->hs_size);
|
|
if (off > RB_OFFS_MAX)
|
|
goto out;
|
|
|
|
if (routerboot_load_hs(base+off, len) != 0)
|
|
goto out;
|
|
|
|
rb_found = 1;
|
|
|
|
out:
|
|
return rb_found;
|
|
}
|
|
|
|
char *routerboot_get_boardname(void)
|
|
{
|
|
if (rb_found == 0)
|
|
return NULL;
|
|
|
|
return rb_hs.name;
|
|
}
|