xref: /openbmc/qemu/hw/ppc/fw_cfg.c (revision 623d7e3551a6fc5693c06ea938c60fe281b52e27)
1  /*
2   * fw_cfg helpers (PPC specific)
3   *
4   * Copyright (c) 2019 Red Hat, Inc.
5   *
6   * Author:
7   *   Philippe Mathieu-Daudé <philmd@redhat.com>
8   *
9   * SPDX-License-Identifier: GPL-2.0-or-later
10   *
11   * This work is licensed under the terms of the GNU GPL, version 2 or later.
12   * See the COPYING file in the top-level directory.
13   */
14  
15  #include "qemu/osdep.h"
16  #include "hw/ppc/ppc.h"
17  #include "hw/nvram/fw_cfg.h"
18  
19  const char *fw_cfg_arch_key_name(uint16_t key)
20  {
21      static const struct {
22          uint16_t key;
23          const char *name;
24      } fw_cfg_arch_wellknown_keys[] = {
25          {FW_CFG_PPC_WIDTH, "width"},
26          {FW_CFG_PPC_HEIGHT, "height"},
27          {FW_CFG_PPC_DEPTH, "depth"},
28          {FW_CFG_PPC_TBFREQ, "tbfreq"},
29          {FW_CFG_PPC_CLOCKFREQ, "clockfreq"},
30          {FW_CFG_PPC_IS_KVM, "is_kvm"},
31          {FW_CFG_PPC_KVM_HC, "kvm_hc"},
32          {FW_CFG_PPC_KVM_PID, "pid"},
33          {FW_CFG_PPC_NVRAM_ADDR, "nvram_addr"},
34          {FW_CFG_PPC_BUSFREQ, "busfreq"},
35          {FW_CFG_PPC_NVRAM_FLAT, "nvram_flat"},
36          {FW_CFG_PPC_VIACONFIG, "viaconfig"},
37      };
38  
39      for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
40          if (fw_cfg_arch_wellknown_keys[i].key == key) {
41              return fw_cfg_arch_wellknown_keys[i].name;
42          }
43      }
44      return NULL;
45  }
46