55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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* Copyright (C) 2010 John Crispin <blogic@openwrt.org>
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*/
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#include <linux/export.h>
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#include <linux/clk.h>
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#include <asm/bootinfo.h>
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#include <asm/time.h>
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#include <lantiq_soc.h>
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#include "../prom.h"
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#define SOC_DANUBE "Danube"
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#define SOC_TWINPASS "Twinpass"
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#define SOC_AR9 "AR9"
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#define PART_SHIFT 12
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#define PART_MASK 0x0FFFFFFF
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#define REV_SHIFT 28
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#define REV_MASK 0xF0000000
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void __init ltq_soc_detect(struct ltq_soc_info *i)
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{
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i->partnum = (ltq_r32(LTQ_MPS_CHIPID) & PART_MASK) >> PART_SHIFT;
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i->rev = (ltq_r32(LTQ_MPS_CHIPID) & REV_MASK) >> REV_SHIFT;
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switch (i->partnum) {
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case SOC_ID_DANUBE1:
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case SOC_ID_DANUBE2:
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i->name = SOC_DANUBE;
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i->type = SOC_TYPE_DANUBE;
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break;
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case SOC_ID_TWINPASS:
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i->name = SOC_TWINPASS;
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i->type = SOC_TYPE_DANUBE;
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break;
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case SOC_ID_ARX188:
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case SOC_ID_ARX168:
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case SOC_ID_ARX182:
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i->name = SOC_AR9;
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i->type = SOC_TYPE_AR9;
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break;
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default:
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unreachable();
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break;
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}
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}
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