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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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+
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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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+
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+#include <lantiq_soc.h>
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+
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+#include "../prom.h"
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+
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+#define SOC_DANUBE "Danube"
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+#define SOC_TWINPASS "Twinpass"
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+#define SOC_AMAZON_SE "Amazon_SE"
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+#define SOC_AR9 "AR9"
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+#define SOC_GR9 "GR9"
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+#define SOC_VR9 "VR9"
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+
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+#define COMP_DANUBE "lantiq,danube"
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+#define COMP_TWINPASS "lantiq,twinpass"
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+#define COMP_AMAZON_SE "lantiq,ase"
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+#define COMP_AR9 "lantiq,ar9"
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+#define COMP_GR9 "lantiq,gr9"
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+#define COMP_VR9 "lantiq,vr9"
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+
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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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+
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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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+ sprintf(i->rev_type, "1.%d", i->rev);
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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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+ i->compatible = COMP_DANUBE;
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+ break;
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+
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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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+ i->compatible = COMP_TWINPASS;
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+ break;
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+
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+ case SOC_ID_ARX188:
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+ case SOC_ID_ARX168_1:
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+ case SOC_ID_ARX168_2:
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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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+ i->compatible = COMP_AR9;
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+ break;
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+
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+ case SOC_ID_GRX188:
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+ case SOC_ID_GRX168:
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+ i->name = SOC_GR9;
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+ i->type = SOC_TYPE_AR9;
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+ i->compatible = COMP_GR9;
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+ break;
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+
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+ case SOC_ID_AMAZON_SE_1:
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+ case SOC_ID_AMAZON_SE_2:
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+#ifdef CONFIG_PCI
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+ panic("ase is only supported for non pci kernels");
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+#endif
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+ i->name = SOC_AMAZON_SE;
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+ i->type = SOC_TYPE_AMAZON_SE;
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+ i->compatible = COMP_AMAZON_SE;
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+ break;
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+
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+ case SOC_ID_VRX282:
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+ case SOC_ID_VRX268:
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+ case SOC_ID_VRX288:
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+ i->name = SOC_VR9;
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+ i->type = SOC_TYPE_VR9;
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+ i->compatible = COMP_VR9;
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+ break;
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+
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+ case SOC_ID_GRX268:
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+ case SOC_ID_GRX288:
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+ i->name = SOC_GR9;
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+ i->type = SOC_TYPE_VR9;
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+ i->compatible = COMP_GR9;
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+ break;
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+
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+ case SOC_ID_VRX268_2:
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+ case SOC_ID_VRX288_2:
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+ i->name = SOC_VR9;
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+ i->type = SOC_TYPE_VR9_2;
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+ i->compatible = COMP_VR9;
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+ break;
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+
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+ case SOC_ID_GRX282_2:
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+ case SOC_ID_GRX288_2:
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+ i->name = SOC_GR9;
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+ i->type = SOC_TYPE_VR9_2;
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+ i->compatible = COMP_GR9;
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+ break;
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+
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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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