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// SPDX-License-Identifier: GPL-2.0-only
/*
*
* Copyright (C) 2010 John Crispin <john@phrozen.org>
* Copyright (C) 2013-2015 Lantiq Beteiligungs-GmbH & Co.KG
*/
#include <linux/export.h>
#include <linux/clk.h>
#include <asm/bootinfo.h>
#include <asm/time.h>
#include <lantiq_soc.h>
#include "../prom.h"
#define SOC_DANUBE "Danube"
#define SOC_TWINPASS "Twinpass"
#define SOC_AMAZON_SE "Amazon_SE"
#define SOC_AR9 "AR9"
#define SOC_GR9 "GRX200"
#define SOC_VR9 "xRX200"
#define SOC_VRX220 "xRX220"
#define SOC_AR10 "xRX300"
#define SOC_GRX390 "xRX330"
#define COMP_DANUBE "lantiq,danube"
#define COMP_TWINPASS "lantiq,twinpass"
#define COMP_AMAZON_SE "lantiq,ase"
#define COMP_AR9 "lantiq,ar9"
#define COMP_GR9 "lantiq,gr9"
#define COMP_VR9 "lantiq,vr9"
#define COMP_AR10 "lantiq,ar10"
#define COMP_GRX390 "lantiq,grx390"
#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;
i->compatible = COMP_DANUBE;
break;
case SOC_ID_TWINPASS:
i->name = SOC_TWINPASS;
i->type = SOC_TYPE_DANUBE;
i->compatible = COMP_TWINPASS;
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;
i->compatible = COMP_AR9;
break;
case SOC_ID_GRX188:
case SOC_ID_GRX168:
i->name = SOC_GR9;
i->type = SOC_TYPE_AR9;
i->compatible = COMP_GR9;
break;
case SOC_ID_AMAZON_SE_1:
case SOC_ID_AMAZON_SE_2:
#ifdef CONFIG_PCI
panic("ase is only supported for non pci kernels");
#endif
i->name = SOC_AMAZON_SE;
i->type = SOC_TYPE_AMAZON_SE;
i->compatible = COMP_AMAZON_SE;
break;
case SOC_ID_VRX282:
case SOC_ID_VRX268:
case SOC_ID_VRX288:
i->name = SOC_VR9;
i->type = SOC_TYPE_VR9;
i->compatible = COMP_VR9;
break;
case SOC_ID_GRX268:
case SOC_ID_GRX288:
i->name = SOC_GR9;
i->type = SOC_TYPE_VR9;
i->compatible = COMP_GR9;
break;
case SOC_ID_VRX268_2:
case SOC_ID_VRX288_2:
i->name = SOC_VR9;
i->type = SOC_TYPE_VR9_2;
i->compatible = COMP_VR9;
break;
case SOC_ID_VRX220:
i->name = SOC_VRX220;
i->type = SOC_TYPE_VRX220;
i->compatible = COMP_VR9;
break;
case SOC_ID_GRX282_2:
case SOC_ID_GRX288_2:
i->name = SOC_GR9;
i->type = SOC_TYPE_VR9_2;
i->compatible = COMP_GR9;
break;
case SOC_ID_ARX362:
case SOC_ID_ARX368:
case SOC_ID_ARX382:
case SOC_ID_ARX388:
case SOC_ID_URX388:
i->name = SOC_AR10;
i->type = SOC_TYPE_AR10;
i->compatible = COMP_AR10;
break;
case SOC_ID_GRX383:
case SOC_ID_GRX369:
case SOC_ID_GRX387:
case SOC_ID_GRX389:
i->name = SOC_GRX390;
i->type = SOC_TYPE_GRX390;
i->compatible = COMP_GRX390;
break;
default:
unreachable();
break;
}
}
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