1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (C) 2010 John Crispin <john@phrozen.org>
5 * Copyright (C) 2013-2015 Lantiq Beteiligungs-GmbH & Co.KG
8 #include <linux/export.h>
10 #include <asm/bootinfo.h>
13 #include <lantiq_soc.h>
17 #define SOC_DANUBE "Danube"
18 #define SOC_TWINPASS "Twinpass"
19 #define SOC_AMAZON_SE "Amazon_SE"
21 #define SOC_GR9 "GRX200"
22 #define SOC_VR9 "xRX200"
23 #define SOC_VRX220 "xRX220"
24 #define SOC_AR10 "xRX300"
25 #define SOC_GRX390 "xRX330"
27 #define COMP_DANUBE "lantiq,danube"
28 #define COMP_TWINPASS "lantiq,twinpass"
29 #define COMP_AMAZON_SE "lantiq,ase"
30 #define COMP_AR9 "lantiq,ar9"
31 #define COMP_GR9 "lantiq,gr9"
32 #define COMP_VR9 "lantiq,vr9"
33 #define COMP_AR10 "lantiq,ar10"
34 #define COMP_GRX390 "lantiq,grx390"
37 #define PART_MASK 0x0FFFFFFF
39 #define REV_MASK 0xF0000000
41 void __init ltq_soc_detect(struct ltq_soc_info *i)
43 i->partnum = (ltq_r32(LTQ_MPS_CHIPID) & PART_MASK) >> PART_SHIFT;
44 i->rev = (ltq_r32(LTQ_MPS_CHIPID) & REV_MASK) >> REV_SHIFT;
45 sprintf(i->rev_type, "1.%d", i->rev);
50 i->type = SOC_TYPE_DANUBE;
51 i->compatible = COMP_DANUBE;
55 i->name = SOC_TWINPASS;
56 i->type = SOC_TYPE_DANUBE;
57 i->compatible = COMP_TWINPASS;
65 i->type = SOC_TYPE_AR9;
66 i->compatible = COMP_AR9;
72 i->type = SOC_TYPE_AR9;
73 i->compatible = COMP_GR9;
76 case SOC_ID_AMAZON_SE_1:
77 case SOC_ID_AMAZON_SE_2:
79 panic("ase is only supported for non pci kernels");
81 i->name = SOC_AMAZON_SE;
82 i->type = SOC_TYPE_AMAZON_SE;
83 i->compatible = COMP_AMAZON_SE;
90 i->type = SOC_TYPE_VR9;
91 i->compatible = COMP_VR9;
97 i->type = SOC_TYPE_VR9;
98 i->compatible = COMP_GR9;
101 case SOC_ID_VRX268_2:
102 case SOC_ID_VRX288_2:
104 i->type = SOC_TYPE_VR9_2;
105 i->compatible = COMP_VR9;
109 i->name = SOC_VRX220;
110 i->type = SOC_TYPE_VRX220;
111 i->compatible = COMP_VR9;
114 case SOC_ID_GRX282_2:
115 case SOC_ID_GRX288_2:
117 i->type = SOC_TYPE_VR9_2;
118 i->compatible = COMP_GR9;
127 i->type = SOC_TYPE_AR10;
128 i->compatible = COMP_AR10;
135 i->name = SOC_GRX390;
136 i->type = SOC_TYPE_GRX390;
137 i->compatible = COMP_GRX390;