diff options
| author | Huacai Chen <chenhuacai@kernel.org> | 2020-09-22 10:49:25 +0800 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-01-04 23:32:27 +0100 |
| commit | 313d1e910ac0eb12bbfe83f158cab60f600319f1 (patch) | |
| tree | abeba77112981d44dd11afe2372db80502d7f63a /hw/mips | |
| parent | dea96332327f2651f726244cc5bb41c4f9350f8b (diff) | |
hw/mips: Implement fw_cfg_arch_key_name()
Implement fw_cfg_arch_key_name(), which returns the name of a
mips-specific key.
Co-developed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@kernel.org>
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1600742967-12933-7-git-send-email-chenhc@lemote.com>
[PMD: Add FW_CFG_MIPS Kconfig selector]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Diffstat (limited to 'hw/mips')
| -rw-r--r-- | hw/mips/Kconfig | 3 | ||||
| -rw-r--r-- | hw/mips/fw_cfg.c | 35 | ||||
| -rw-r--r-- | hw/mips/fw_cfg.h | 19 | ||||
| -rw-r--r-- | hw/mips/meson.build | 1 |
4 files changed, 58 insertions, 0 deletions
diff --git a/hw/mips/Kconfig b/hw/mips/Kconfig index 8be70122f4..64ef42dd3f 100644 --- a/hw/mips/Kconfig +++ b/hw/mips/Kconfig @@ -38,3 +38,6 @@ config MIPS_CPS config MIPS_BOSTON bool + +config FW_CFG_MIPS + bool diff --git a/hw/mips/fw_cfg.c b/hw/mips/fw_cfg.c new file mode 100644 index 0000000000..67c4a74f4b --- /dev/null +++ b/hw/mips/fw_cfg.c @@ -0,0 +1,35 @@ +/* + * QEMU fw_cfg helpers (MIPS specific) + * + * Copyright (c) 2020 Lemote, Inc. + * + * Author: + * Huacai Chen (chenhc@lemote.com) + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "hw/mips/fw_cfg.h" +#include "hw/nvram/fw_cfg.h" + +const char *fw_cfg_arch_key_name(uint16_t key) +{ + static const struct { + uint16_t key; + const char *name; + } fw_cfg_arch_wellknown_keys[] = { + {FW_CFG_MACHINE_VERSION, "machine_version"}, + {FW_CFG_CPU_FREQ, "cpu_frequency"}, + }; + + for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) { + if (fw_cfg_arch_wellknown_keys[i].key == key) { + return fw_cfg_arch_wellknown_keys[i].name; + } + } + return NULL; +} diff --git a/hw/mips/fw_cfg.h b/hw/mips/fw_cfg.h new file mode 100644 index 0000000000..e317d5b9a3 --- /dev/null +++ b/hw/mips/fw_cfg.h @@ -0,0 +1,19 @@ +/* + * QEMU fw_cfg helpers (MIPS specific) + * + * Copyright (c) 2020 Huacai Chen + * + * SPDX-License-Identifier: MIT + */ + +#ifndef HW_MIPS_FW_CFG_H +#define HW_MIPS_FW_CFG_H + +#include "hw/boards.h" +#include "hw/nvram/fw_cfg.h" + +/* Data for BIOS to identify machine */ +#define FW_CFG_MACHINE_VERSION (FW_CFG_ARCH_LOCAL + 0) +#define FW_CFG_CPU_FREQ (FW_CFG_ARCH_LOCAL + 1) + +#endif diff --git a/hw/mips/meson.build b/hw/mips/meson.build index 77b4d8f365..ca5e4d0f94 100644 --- a/hw/mips/meson.build +++ b/hw/mips/meson.build @@ -1,5 +1,6 @@ mips_ss = ss.source_set() mips_ss.add(files('mips_int.c')) +mips_ss.add(when: 'CONFIG_FW_CFG_MIPS', if_true: files('fw_cfg.c')) mips_ss.add(when: 'CONFIG_FULOONG', if_true: files('fuloong2e.c')) mips_ss.add(when: 'CONFIG_JAZZ', if_true: files('jazz.c')) mips_ss.add(when: 'CONFIG_MALTA', if_true: files('gt64xxx_pci.c', 'malta.c')) |