text: /*
   *  pSeries firmware setup code.
   *
   *  Portions from arch/powerpc/platforms/pseries/setup.c:
   *   Copyright (C) 1995  Linus Torvalds
   *   Adapted from 'alpha' version by Gary Thomas
   *   Modified by Cort Dougan (cort@cs.nmt.edu)
   *   Modified by PPC64 Team, IBM Corp
   *
   *  Portions from arch/powerpc/kernel/firmware.c
   *   Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
   *   Modifications for ppc64:
   *    Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
   *    Copyright (C) 2005 Stephen Rothwell, IBM Corporation
   *
   *  Copyright 2006 IBM Corporation.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * as published by the Free Software Foundation; either version
   * 2 of the License, or (at your option) any later version.
   */
  
  #undef DEBUG
  
  #include <asm/firmware.h>
  #include <asm/prom.h>
  #include <asm/udbg.h>
  
  #ifdef DEBUG
  #define DBG(fmt...) udbg_printf(fmt)
  #else
  #define DBG(fmt...)
  #endif
  
  typedef struct {
      unsigned long val;
      char * name;
  } firmware_feature_t;
  
  static __initdata firmware_feature_t
  firmware_features_table[FIRMWARE_MAX_FEATURES] = {
  	{FW_FEATURE_PFT,		"hcall-pft"},
  	{FW_FEATURE_TCE,		"hcall-tce"},
  	{FW_FEATURE_SPRG0,		"hcall-sprg0"},
  	{FW_FEATURE_DABR,		"hcall-dabr"},
  	{FW_FEATURE_COPY,		"hcall-copy"},
  	{FW_FEATURE_ASR,		"hcall-asr"},
  	{FW_FEATURE_DEBUG,		"hcall-debug"},
  	{FW_FEATURE_PERF,		"hcall-perf"},
  	{FW_FEATURE_DUMP,		"hcall-dump"},
  	{FW_FEATURE_INTERRUPT,		"hcall-interrupt"},
  	{FW_FEATURE_MIGRATE,		"hcall-migrate"},
  	{FW_FEATURE_PERFMON,		"hcall-perfmon"},
  	{FW_FEATURE_CRQ,		"hcall-crq"},
  	{FW_FEATURE_VIO,		"hcall-vio"},
  	{FW_FEATURE_RDMA,		"hcall-rdma"},
  	{FW_FEATURE_LLAN,		"hcall-lLAN"},
  	{FW_FEATURE_BULK,		"hcall-bulk"},
  	{FW_FEATURE_XDABR,		"hcall-xdabr"},
  	{FW_FEATURE_MULTITCE,		"hcall-multi-tce"},
  	{FW_FEATURE_SPLPAR,		"hcall-splpar"},
  	{FW_FEATURE_BULK_REMOVE,	"hcall-bulk"},
  };
  
  /* Build up the firmware features bitmask using the contents of
   * device-tree/ibm,hypertas-functions.  Ultimately this functionality may
   * be moved into prom.c prom_init().
   */
  void __init fw_feature_init(const char *hypertas, unsigned long len)
  {
  	const char *s;
  	int i;
  
  	DBG(" -> fw_feature_init()\n");
  
  	for (s = hypertas; s < hypertas + len; s += strlen(s) + 1) {
  		for (i = 0; i < FIRMWARE_MAX_FEATURES; i++) {
  			/* check value against table of strings */
  			if (!firmware_features_table[i].name ||
  			    strcmp(firmware_features_table[i].name, s))
  				continue;
  
  			/* we have a match */
  			powerpc_firmware_features |=
  				firmware_features_table[i].val;
  			break;
  		}
  	}
  
  	DBG(" <- fw_feature_init()\n");
  }
  