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Files
openwrt-xburst/target/linux/lantiq/files-3.3/arch/mips/lantiq/xway/prom.c
blogic 1048c7b452 [lantiq] move files/ -> files-3.3/
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34060 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-11-02 20:07:02 +00:00

111 lines
2.1 KiB
C

/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* Copyright (C) 2010 John Crispin <blogic@openwrt.org>
*/
#include <linux/export.h>
#include <linux/clk.h>
#include <asm/bootinfo.h>
#include <asm/time.h>
#include <lantiq_soc.h>
#include "../prom.h"
#include "devices.h"
#define SOC_DANUBE "Danube"
#define SOC_TWINPASS "Twinpass"
#define SOC_AMAZON_SE "Amazon_SE"
#define SOC_AR9 "AR9"
#define SOC_GR9 "GR9"
#define SOC_VR9 "VR9"
#define PART_SHIFT 12
#define PART_MASK 0x0FFFFFFF
#define REV_SHIFT 28
#define REV_MASK 0xF0000000
void __init ltq_soc_detect(struct ltq_soc_info *i)
{
i->partnum = (ltq_r32(LTQ_MPS_CHIPID) & PART_MASK) >> PART_SHIFT;
i->rev = (ltq_r32(LTQ_MPS_CHIPID) & REV_MASK) >> REV_SHIFT;
sprintf(i->rev_type, "1.%d", i->rev);
switch (i->partnum) {
case SOC_ID_DANUBE1:
case SOC_ID_DANUBE2:
i->name = SOC_DANUBE;
i->type = SOC_TYPE_DANUBE;
break;
case SOC_ID_TWINPASS:
i->name = SOC_TWINPASS;
i->type = SOC_TYPE_DANUBE;
break;
case SOC_ID_ARX188:
case SOC_ID_ARX168_1:
case SOC_ID_ARX168_2:
case SOC_ID_ARX182:
i->name = SOC_AR9;
i->type = SOC_TYPE_AR9;
break;
case SOC_ID_GRX188:
case SOC_ID_GRX168:
i->name = SOC_GR9;
i->type = SOC_TYPE_AR9;
break;
case SOC_ID_AMAZON_SE_1:
case SOC_ID_AMAZON_SE_2:
i->name = SOC_AMAZON_SE;
i->type = SOC_TYPE_AMAZON_SE;
#ifdef CONFIG_PCI
panic("ase is only supported for non pci kernels");
#endif
break;
case SOC_ID_VRX282:
case SOC_ID_VRX268:
case SOC_ID_VRX288:
i->name = SOC_VR9;
i->type = SOC_TYPE_VR9_1;
break;
case SOC_ID_GRX268:
case SOC_ID_GRX288:
i->name = SOC_GR9;
i->type = SOC_TYPE_VR9_1;
break;
case SOC_ID_VRX268_2:
case SOC_ID_VRX288_2:
i->name = SOC_VR9;
i->type = SOC_TYPE_VR9_2;
break;
case SOC_ID_GRX282_2:
case SOC_ID_GRX288_2:
i->name = SOC_GR9;
i->type = SOC_TYPE_VR9_2;
default:
unreachable();
break;
}
}
void __init ltq_soc_setup(void)
{
if (ltq_is_ase())
ltq_register_ase_asc();
else
ltq_register_asc(1);
ltq_register_gpio();
ltq_register_wdt();
}