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215ed200 JC |
1 | /* |
2 | * This program is free software; you can redistribute it and/or modify it | |
3 | * under the terms of the GNU General Public License version 2 as published | |
4 | * by the Free Software Foundation. | |
5 | * | |
97b92108 | 6 | * Copyright (C) 2010 John Crispin <john@phrozen.org> |
a5c1aad8 | 7 | * Copyright (C) 2013-2015 Lantiq Beteiligungs-GmbH & Co.KG |
215ed200 JC |
8 | */ |
9 | ||
10 | #include <linux/export.h> | |
11 | #include <linux/clk.h> | |
12 | #include <asm/bootinfo.h> | |
13 | #include <asm/time.h> | |
14 | ||
15 | #include <lantiq_soc.h> | |
16 | ||
17 | #include "../prom.h" | |
18 | ||
19 | #define SOC_DANUBE "Danube" | |
20 | #define SOC_TWINPASS "Twinpass" | |
21 | #define SOC_AMAZON_SE "Amazon_SE" | |
22 | #define SOC_AR9 "AR9" | |
a5c1aad8 HM |
23 | #define SOC_GR9 "GRX200" |
24 | #define SOC_VR9 "xRX200" | |
13648d72 | 25 | #define SOC_VRX220 "xRX220" |
a5c1aad8 HM |
26 | #define SOC_AR10 "xRX300" |
27 | #define SOC_GRX390 "xRX330" | |
215ed200 JC |
28 | |
29 | #define COMP_DANUBE "lantiq,danube" | |
30 | #define COMP_TWINPASS "lantiq,twinpass" | |
31 | #define COMP_AMAZON_SE "lantiq,ase" | |
32 | #define COMP_AR9 "lantiq,ar9" | |
33 | #define COMP_GR9 "lantiq,gr9" | |
34 | #define COMP_VR9 "lantiq,vr9" | |
a5c1aad8 HM |
35 | #define COMP_AR10 "lantiq,ar10" |
36 | #define COMP_GRX390 "lantiq,grx390" | |
215ed200 JC |
37 | |
38 | #define PART_SHIFT 12 | |
39 | #define PART_MASK 0x0FFFFFFF | |
40 | #define REV_SHIFT 28 | |
41 | #define REV_MASK 0xF0000000 | |
42 | ||
43 | void __init ltq_soc_detect(struct ltq_soc_info *i) | |
44 | { | |
45 | i->partnum = (ltq_r32(LTQ_MPS_CHIPID) & PART_MASK) >> PART_SHIFT; | |
46 | i->rev = (ltq_r32(LTQ_MPS_CHIPID) & REV_MASK) >> REV_SHIFT; | |
47 | sprintf(i->rev_type, "1.%d", i->rev); | |
48 | switch (i->partnum) { | |
49 | case SOC_ID_DANUBE1: | |
50 | case SOC_ID_DANUBE2: | |
51 | i->name = SOC_DANUBE; | |
52 | i->type = SOC_TYPE_DANUBE; | |
53 | i->compatible = COMP_DANUBE; | |
54 | break; | |
55 | ||
56 | case SOC_ID_TWINPASS: | |
57 | i->name = SOC_TWINPASS; | |
58 | i->type = SOC_TYPE_DANUBE; | |
59 | i->compatible = COMP_TWINPASS; | |
60 | break; | |
61 | ||
62 | case SOC_ID_ARX188: | |
63 | case SOC_ID_ARX168_1: | |
64 | case SOC_ID_ARX168_2: | |
65 | case SOC_ID_ARX182: | |
66 | i->name = SOC_AR9; | |
67 | i->type = SOC_TYPE_AR9; | |
68 | i->compatible = COMP_AR9; | |
69 | break; | |
70 | ||
71 | case SOC_ID_GRX188: | |
72 | case SOC_ID_GRX168: | |
73 | i->name = SOC_GR9; | |
74 | i->type = SOC_TYPE_AR9; | |
75 | i->compatible = COMP_GR9; | |
76 | break; | |
77 | ||
78 | case SOC_ID_AMAZON_SE_1: | |
79 | case SOC_ID_AMAZON_SE_2: | |
80 | #ifdef CONFIG_PCI | |
81 | panic("ase is only supported for non pci kernels"); | |
82 | #endif | |
83 | i->name = SOC_AMAZON_SE; | |
84 | i->type = SOC_TYPE_AMAZON_SE; | |
85 | i->compatible = COMP_AMAZON_SE; | |
86 | break; | |
87 | ||
88 | case SOC_ID_VRX282: | |
89 | case SOC_ID_VRX268: | |
90 | case SOC_ID_VRX288: | |
91 | i->name = SOC_VR9; | |
92 | i->type = SOC_TYPE_VR9; | |
93 | i->compatible = COMP_VR9; | |
94 | break; | |
95 | ||
96 | case SOC_ID_GRX268: | |
97 | case SOC_ID_GRX288: | |
98 | i->name = SOC_GR9; | |
99 | i->type = SOC_TYPE_VR9; | |
100 | i->compatible = COMP_GR9; | |
101 | break; | |
102 | ||
103 | case SOC_ID_VRX268_2: | |
104 | case SOC_ID_VRX288_2: | |
105 | i->name = SOC_VR9; | |
106 | i->type = SOC_TYPE_VR9_2; | |
107 | i->compatible = COMP_VR9; | |
108 | break; | |
109 | ||
13648d72 HM |
110 | case SOC_ID_VRX220: |
111 | i->name = SOC_VRX220; | |
112 | i->type = SOC_TYPE_VRX220; | |
113 | i->compatible = COMP_VR9; | |
114 | break; | |
115 | ||
215ed200 JC |
116 | case SOC_ID_GRX282_2: |
117 | case SOC_ID_GRX288_2: | |
118 | i->name = SOC_GR9; | |
119 | i->type = SOC_TYPE_VR9_2; | |
120 | i->compatible = COMP_GR9; | |
121 | break; | |
122 | ||
a5c1aad8 HM |
123 | case SOC_ID_ARX362: |
124 | case SOC_ID_ARX368: | |
125 | case SOC_ID_ARX382: | |
126 | case SOC_ID_ARX388: | |
127 | case SOC_ID_URX388: | |
128 | i->name = SOC_AR10; | |
129 | i->type = SOC_TYPE_AR10; | |
130 | i->compatible = COMP_AR10; | |
131 | break; | |
132 | ||
133 | case SOC_ID_GRX383: | |
134 | case SOC_ID_GRX369: | |
135 | case SOC_ID_GRX387: | |
136 | case SOC_ID_GRX389: | |
137 | i->name = SOC_GRX390; | |
138 | i->type = SOC_TYPE_GRX390; | |
139 | i->compatible = COMP_GRX390; | |
140 | break; | |
141 | ||
215ed200 JC |
142 | default: |
143 | unreachable(); | |
144 | break; | |
145 | } | |
146 | } |