xref: /openbmc/qemu/hw/ppc/fw_cfg.c (revision 764a6ee9)
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