projects / mirror_ubuntu-kernels.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 ME |
30 | |
| 31 | typedef struct { | |
| 32 | unsigned long val; | |
| 33 | char * name; | |
| 34 | } firmware_feature_t; | |
| 35 | ||
| 36 | static __initdata firmware_feature_t | |
| 37 | firmware_features_table[FIRMWARE_MAX_FEATURES] = { | |
| 38 | {FW_FEATURE_PFT, "hcall-pft"}, | |
| 39 | {FW_FEATURE_TCE, "hcall-tce"}, | |
| 40 | {FW_FEATURE_SPRG0, "hcall-sprg0"}, | |
| 41 | {FW_FEATURE_DABR, "hcall-dabr"}, | |
| 42 | {FW_FEATURE_COPY, "hcall-copy"}, | |
| 43 | {FW_FEATURE_ASR, "hcall-asr"}, | |
| 44 | {FW_FEATURE_DEBUG, "hcall-debug"}, | |
| 45 | {FW_FEATURE_PERF, "hcall-perf"}, | |
| 46 | {FW_FEATURE_DUMP, "hcall-dump"}, | |
| 47 | {FW_FEATURE_INTERRUPT, "hcall-interrupt"}, | |
| 48 | {FW_FEATURE_MIGRATE, "hcall-migrate"}, | |
| 49 | {FW_FEATURE_PERFMON, "hcall-perfmon"}, | |
| 50 | {FW_FEATURE_CRQ, "hcall-crq"}, | |
| 51 | {FW_FEATURE_VIO, "hcall-vio"}, | |
| 52 | {FW_FEATURE_RDMA, "hcall-rdma"}, | |
| 53 | {FW_FEATURE_LLAN, "hcall-lLAN"}, | |
| b6dcde5c | 54 | {FW_FEATURE_BULK_REMOVE, "hcall-bulk"}, |
| 1965746b ME |
55 | {FW_FEATURE_XDABR, "hcall-xdabr"}, |
| 56 | {FW_FEATURE_MULTITCE, "hcall-multi-tce"}, | |
| 57 | {FW_FEATURE_SPLPAR, "hcall-splpar"}, | |
| 36f567b4 | 58 | {FW_FEATURE_VPHN, "hcall-vphn"}, |
| d8f48ecc | 59 | {FW_FEATURE_SET_MODE, "hcall-set-mode"}, |
| 1965746b ME |
60 | }; |
| 61 | ||
| 62 | /* Build up the firmware features bitmask using the contents of | |
| 63 | * device-tree/ibm,hypertas-functions. Ultimately this functionality may | |
| 64 | * be moved into prom.c prom_init(). | |
| 65 | */ | |
| ca8ffc97 | 66 | void __init fw_feature_init(const char *hypertas, unsigned long len) |
| 1965746b | 67 | { |
| ca8ffc97 MN |
68 | const char *s; |
| 69 | int i; | |
| 1965746b | 70 | |
| f7ebf352 | 71 | pr_debug(" -> fw_feature_init()\n"); |
| 1965746b | 72 | |
| 1965746b ME |
73 | for (s = hypertas; s < hypertas + len; s += strlen(s) + 1) { |
| 74 | for (i = 0; i < FIRMWARE_MAX_FEATURES; i++) { | |
| 75 | /* check value against table of strings */ | |
| 76 | if (!firmware_features_table[i].name || | |
| 77 | strcmp(firmware_features_table[i].name, s)) | |
| 78 | continue; | |
| 79 | ||
| 80 | /* we have a match */ | |
| d0160bf0 | 81 | powerpc_firmware_features |= |
| 1965746b ME |
82 | firmware_features_table[i].val; |
| 83 | break; | |
| 84 | } | |
| 85 | } | |
| 86 | ||
| f7ebf352 | 87 | pr_debug(" <- fw_feature_init()\n"); |
| 1965746b | 88 | } |