mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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1048c7b452
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34060 3c298f89-4303-0410-b956-a3cf2f4a3e73
85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
/*
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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) 2011 Thomas Langer <thomas.langer@lantiq.com>
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* Copyright (C) 2011 John Crispin <blogic@openwrt.org>
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*/
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#include <lantiq_soc.h>
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#include "devices.h"
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#include "../prom.h"
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#define SOC_FALCON "Falcon"
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#define SOC_FALCON_D "Falcon-D"
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#define SOC_FALCON_V "Falcon-V"
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#define SOC_FALCON_M "Falcon-M"
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#define PART_SHIFT 12
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#define PART_MASK 0x0FFFF000
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#define REV_SHIFT 28
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#define REV_MASK 0xF0000000
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#define SREV_SHIFT 22
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#define SREV_MASK 0x03C00000
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#define TYPE_SHIFT 26
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#define TYPE_MASK 0x3C000000
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/* this parameter allows us enable/disable asc1 via commandline */
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static int register_asc1;
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static int __init
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ltq_parse_asc1(char *p)
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{
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register_asc1 = 1;
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return 0;
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}
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__setup("use_asc1", ltq_parse_asc1);
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void __init
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ltq_soc_setup(void)
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{
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ltq_register_asc(0);
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ltq_register_wdt();
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falcon_register_gpio();
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if (register_asc1)
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ltq_register_asc(1);
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}
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void __init
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ltq_soc_detect(struct ltq_soc_info *i)
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{
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u32 type;
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i->partnum = (ltq_r32(LTQ_FALCON_CHIPID) & PART_MASK) >> PART_SHIFT;
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i->rev = (ltq_r32(LTQ_FALCON_CHIPID) & REV_MASK) >> REV_SHIFT;
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i->srev = ((ltq_r32(LTQ_FALCON_CHIPCONF) & SREV_MASK) >> SREV_SHIFT);
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sprintf(i->rev_type, "%c%d%d", (i->srev & 0x4) ? ('B') : ('A'),
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i->rev & 0x7, (i->srev & 0x3) + 1);
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switch (i->partnum) {
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case SOC_ID_FALCON:
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type = (ltq_r32(LTQ_FALCON_CHIPTYPE) & TYPE_MASK) >> TYPE_SHIFT;
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switch (type) {
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case 0:
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i->name = SOC_FALCON_D;
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break;
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case 1:
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i->name = SOC_FALCON_V;
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break;
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case 2:
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i->name = SOC_FALCON_M;
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break;
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default:
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i->name = SOC_FALCON;
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break;
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}
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i->type = SOC_TYPE_FALCON;
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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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