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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 | * | |
6 | * Copyright (C) 2010 John Crispin <blogic@openwrt.org> | |
7 | */ | |
8 | ||
9 | #include <linux/export.h> | |
10 | #include <linux/clk.h> | |
11 | #include <asm/bootinfo.h> | |
12 | #include <asm/time.h> | |
13 | ||
14 | #include <lantiq_soc.h> | |
15 | ||
16 | #include "../prom.h" | |
17 | ||
18 | #define SOC_DANUBE "Danube" | |
19 | #define SOC_TWINPASS "Twinpass" | |
20 | #define SOC_AMAZON_SE "Amazon_SE" | |
21 | #define SOC_AR9 "AR9" | |
22 | #define SOC_GR9 "GR9" | |
23 | #define SOC_VR9 "VR9" | |
24 | ||
25 | #define COMP_DANUBE "lantiq,danube" | |
26 | #define COMP_TWINPASS "lantiq,twinpass" | |
27 | #define COMP_AMAZON_SE "lantiq,ase" | |
28 | #define COMP_AR9 "lantiq,ar9" | |
29 | #define COMP_GR9 "lantiq,gr9" | |
30 | #define COMP_VR9 "lantiq,vr9" | |
31 | ||
32 | #define PART_SHIFT 12 | |
33 | #define PART_MASK 0x0FFFFFFF | |
34 | #define REV_SHIFT 28 | |
35 | #define REV_MASK 0xF0000000 | |
36 | ||
37 | void __init ltq_soc_detect(struct ltq_soc_info *i) | |
38 | { | |
39 | i->partnum = (ltq_r32(LTQ_MPS_CHIPID) & PART_MASK) >> PART_SHIFT; | |
40 | i->rev = (ltq_r32(LTQ_MPS_CHIPID) & REV_MASK) >> REV_SHIFT; | |
41 | sprintf(i->rev_type, "1.%d", i->rev); | |
42 | switch (i->partnum) { | |
43 | case SOC_ID_DANUBE1: | |
44 | case SOC_ID_DANUBE2: | |
45 | i->name = SOC_DANUBE; | |
46 | i->type = SOC_TYPE_DANUBE; | |
47 | i->compatible = COMP_DANUBE; | |
48 | break; | |
49 | ||
50 | case SOC_ID_TWINPASS: | |
51 | i->name = SOC_TWINPASS; | |
52 | i->type = SOC_TYPE_DANUBE; | |
53 | i->compatible = COMP_TWINPASS; | |
54 | break; | |
55 | ||
56 | case SOC_ID_ARX188: | |
57 | case SOC_ID_ARX168_1: | |
58 | case SOC_ID_ARX168_2: | |
59 | case SOC_ID_ARX182: | |
60 | i->name = SOC_AR9; | |
61 | i->type = SOC_TYPE_AR9; | |
62 | i->compatible = COMP_AR9; | |
63 | break; | |
64 | ||
65 | case SOC_ID_GRX188: | |
66 | case SOC_ID_GRX168: | |
67 | i->name = SOC_GR9; | |
68 | i->type = SOC_TYPE_AR9; | |
69 | i->compatible = COMP_GR9; | |
70 | break; | |
71 | ||
72 | case SOC_ID_AMAZON_SE_1: | |
73 | case SOC_ID_AMAZON_SE_2: | |
74 | #ifdef CONFIG_PCI | |
75 | panic("ase is only supported for non pci kernels"); | |
76 | #endif | |
77 | i->name = SOC_AMAZON_SE; | |
78 | i->type = SOC_TYPE_AMAZON_SE; | |
79 | i->compatible = COMP_AMAZON_SE; | |
80 | break; | |
81 | ||
82 | case SOC_ID_VRX282: | |
83 | case SOC_ID_VRX268: | |
84 | case SOC_ID_VRX288: | |
85 | i->name = SOC_VR9; | |
86 | i->type = SOC_TYPE_VR9; | |
87 | i->compatible = COMP_VR9; | |
88 | break; | |
89 | ||
90 | case SOC_ID_GRX268: | |
91 | case SOC_ID_GRX288: | |
92 | i->name = SOC_GR9; | |
93 | i->type = SOC_TYPE_VR9; | |
94 | i->compatible = COMP_GR9; | |
95 | break; | |
96 | ||
97 | case SOC_ID_VRX268_2: | |
98 | case SOC_ID_VRX288_2: | |
99 | i->name = SOC_VR9; | |
100 | i->type = SOC_TYPE_VR9_2; | |
101 | i->compatible = COMP_VR9; | |
102 | break; | |
103 | ||
104 | case SOC_ID_GRX282_2: | |
105 | case SOC_ID_GRX288_2: | |
106 | i->name = SOC_GR9; | |
107 | i->type = SOC_TYPE_VR9_2; | |
108 | i->compatible = COMP_GR9; | |
109 | break; | |
110 | ||
111 | default: | |
112 | unreachable(); | |
113 | break; | |
114 | } | |
115 | } |