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1965746b ME |
1 | /* |
2 | * pSeries firmware setup code. | |
3 | * | |
4 | * Portions from arch/powerpc/platforms/pseries/setup.c: | |
5 | * Copyright (C) 1995 Linus Torvalds | |
6 | * Adapted from 'alpha' version by Gary Thomas | |
7 | * Modified by Cort Dougan (cort@cs.nmt.edu) | |
8 | * Modified by PPC64 Team, IBM Corp | |
9 | * | |
10 | * Portions from arch/powerpc/kernel/firmware.c | |
11 | * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) | |
12 | * Modifications for ppc64: | |
13 | * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com> | |
14 | * Copyright (C) 2005 Stephen Rothwell, IBM Corporation | |
15 | * | |
16 | * Copyright 2006 IBM Corporation. | |
17 | * | |
18 | * This program is free software; you can redistribute it and/or | |
19 | * modify it under the terms of the GNU General Public License | |
20 | * as published by the Free Software Foundation; either version | |
21 | * 2 of the License, or (at your option) any later version. | |
22 | */ | |
23 | ||
1965746b ME |
24 | |
25 | #include <asm/firmware.h> | |
26 | #include <asm/prom.h> | |
aa39be09 | 27 | #include <asm/udbg.h> |
1965746b | 28 | |
3ff1999b | 29 | #include "pseries.h" |
1965746b | 30 | |
f0ff7eb4 | 31 | struct hypertas_fw_feature { |
1965746b ME |
32 | unsigned long val; |
33 | char * name; | |
f0ff7eb4 | 34 | }; |
1965746b | 35 | |
2f1d4ea7 MN |
36 | /* |
37 | * The names in this table match names in rtas/ibm,hypertas-functions. If the | |
38 | * entry ends in a '*', only upto the '*' is matched. Otherwise the entire | |
39 | * string must match. | |
40 | */ | |
f0ff7eb4 NF |
41 | static __initdata struct hypertas_fw_feature |
42 | hypertas_fw_features_table[] = { | |
1965746b ME |
43 | {FW_FEATURE_PFT, "hcall-pft"}, |
44 | {FW_FEATURE_TCE, "hcall-tce"}, | |
45 | {FW_FEATURE_SPRG0, "hcall-sprg0"}, | |
46 | {FW_FEATURE_DABR, "hcall-dabr"}, | |
47 | {FW_FEATURE_COPY, "hcall-copy"}, | |
48 | {FW_FEATURE_ASR, "hcall-asr"}, | |
49 | {FW_FEATURE_DEBUG, "hcall-debug"}, | |
50 | {FW_FEATURE_PERF, "hcall-perf"}, | |
51 | {FW_FEATURE_DUMP, "hcall-dump"}, | |
52 | {FW_FEATURE_INTERRUPT, "hcall-interrupt"}, | |
53 | {FW_FEATURE_MIGRATE, "hcall-migrate"}, | |
54 | {FW_FEATURE_PERFMON, "hcall-perfmon"}, | |
55 | {FW_FEATURE_CRQ, "hcall-crq"}, | |
56 | {FW_FEATURE_VIO, "hcall-vio"}, | |
57 | {FW_FEATURE_RDMA, "hcall-rdma"}, | |
58 | {FW_FEATURE_LLAN, "hcall-lLAN"}, | |
b6dcde5c | 59 | {FW_FEATURE_BULK_REMOVE, "hcall-bulk"}, |
1965746b ME |
60 | {FW_FEATURE_XDABR, "hcall-xdabr"}, |
61 | {FW_FEATURE_MULTITCE, "hcall-multi-tce"}, | |
62 | {FW_FEATURE_SPLPAR, "hcall-splpar"}, | |
36f567b4 | 63 | {FW_FEATURE_VPHN, "hcall-vphn"}, |
d8f48ecc | 64 | {FW_FEATURE_SET_MODE, "hcall-set-mode"}, |
0388c79c | 65 | {FW_FEATURE_BEST_ENERGY, "hcall-best-energy-1*"}, |
1965746b ME |
66 | }; |
67 | ||
68 | /* Build up the firmware features bitmask using the contents of | |
69 | * device-tree/ibm,hypertas-functions. Ultimately this functionality may | |
70 | * be moved into prom.c prom_init(). | |
71 | */ | |
f0ff7eb4 | 72 | void __init fw_hypertas_feature_init(const char *hypertas, unsigned long len) |
1965746b | 73 | { |
ca8ffc97 MN |
74 | const char *s; |
75 | int i; | |
1965746b | 76 | |
f0ff7eb4 | 77 | pr_debug(" -> fw_hypertas_feature_init()\n"); |
1965746b | 78 | |
1965746b | 79 | for (s = hypertas; s < hypertas + len; s += strlen(s) + 1) { |
f0ff7eb4 NF |
80 | for (i = 0; i < ARRAY_SIZE(hypertas_fw_features_table); i++) { |
81 | const char *name = hypertas_fw_features_table[i].name; | |
2f1d4ea7 | 82 | size_t size; |
43c0ea60 | 83 | |
2f1d4ea7 MN |
84 | /* |
85 | * If there is a '*' at the end of name, only check | |
86 | * upto there | |
87 | */ | |
88 | size = strlen(name); | |
89 | if (size && name[size - 1] == '*') { | |
90 | if (strncmp(name, s, size - 1)) | |
91 | continue; | |
92 | } else if (strcmp(name, s)) | |
1965746b ME |
93 | continue; |
94 | ||
95 | /* we have a match */ | |
d0160bf0 | 96 | powerpc_firmware_features |= |
f0ff7eb4 | 97 | hypertas_fw_features_table[i].val; |
1965746b ME |
98 | break; |
99 | } | |
100 | } | |
101 | ||
f0ff7eb4 NF |
102 | pr_debug(" <- fw_hypertas_feature_init()\n"); |
103 | } | |
104 | ||
105 | struct vec5_fw_feature { | |
106 | unsigned long val; | |
107 | unsigned int feature; | |
108 | }; | |
109 | ||
110 | static __initdata struct vec5_fw_feature | |
111 | vec5_fw_features_table[] = { | |
112 | {FW_FEATURE_TYPE1_AFFINITY, OV5_TYPE1_AFFINITY}, | |
113 | }; | |
114 | ||
115 | void __init fw_vec5_feature_init(const char *vec5, unsigned long len) | |
116 | { | |
117 | unsigned int index, feat; | |
118 | int i; | |
119 | ||
120 | pr_debug(" -> fw_vec5_feature_init()\n"); | |
121 | ||
122 | for (i = 0; i < ARRAY_SIZE(vec5_fw_features_table); i++) { | |
123 | index = OV5_INDX(vec5_fw_features_table[i].feature); | |
124 | feat = OV5_FEAT(vec5_fw_features_table[i].feature); | |
125 | ||
126 | if (vec5[index] & feat) | |
127 | powerpc_firmware_features |= | |
128 | vec5_fw_features_table[i].val; | |
129 | } | |
130 | ||
131 | pr_debug(" <- fw_vec5_feature_init()\n"); | |
1965746b | 132 | } |