diff options
author | Tom Rini <trini@konsulko.com> | 2019-10-08 18:45:26 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2019-10-08 18:45:26 -0400 |
commit | efea5a34bb5be542630ce7161bd3b9cc26a0bcf3 (patch) | |
tree | fb747d83d81f9c3400a561782114e4c6ecd61a07 /arch/x86/include/asm/fsp1/fsp_api.h | |
parent | 9d536fe8ae7672bdee091f9100389b6f3e53cfc6 (diff) | |
parent | cc2d27dcdc3e1c76d09d54015e3992380bd7e0fa (diff) |
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-x86
- Rename existing FSP code to fsp1
- Add fsp2 directory in preparation to support FSP 2.0
- Various x86 platform codes update
- Various bug fixes and updates in dm core, sandbox and spl
Diffstat (limited to 'arch/x86/include/asm/fsp1/fsp_api.h')
-rw-r--r-- | arch/x86/include/asm/fsp1/fsp_api.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/x86/include/asm/fsp1/fsp_api.h b/arch/x86/include/asm/fsp1/fsp_api.h new file mode 100644 index 00000000000..f2d70799f33 --- /dev/null +++ b/arch/x86/include/asm/fsp1/fsp_api.h @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: Intel */ +/* + * Copyright (C) 2013, Intel Corporation + * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com> + */ + +#ifndef __FSP_API_H__ +#define __FSP_API_H__ + +#include <linux/linkage.h> + +/* + * FSP common configuration structure. + * This needs to be included in the platform-specific struct fsp_config_data. + */ +struct fsp_cfg_common { + struct fsp_header *fsp_hdr; + u32 stack_top; + u32 boot_mode; +}; + +/* + * FspInit continuation function prototype. + * Control will be returned to this callback function after FspInit API call. + */ +typedef void (*fsp_continuation_f)(u32 status, void *hob_list); + +struct fsp_init_params { + /* Non-volatile storage buffer pointer */ + void *nvs_buf; + /* Runtime buffer pointer */ + void *rt_buf; + /* Continuation function address */ + fsp_continuation_f continuation; +}; + +struct common_buf { + /* + * Stack top pointer used by the bootloader. The new stack frame will be + * set up at this location after FspInit API call. + */ + u32 stack_top; + u32 boot_mode; /* Current system boot mode */ + void *upd_data; /* User platform configuraiton data region */ + u32 tolum_size; /* Top of low usable memory size (FSP 1.1) */ + u32 reserved[6]; /* Reserved */ +}; + +enum fsp_phase { + /* Notification code for post PCI enuermation */ + INIT_PHASE_PCI = 0x20, + /* Notification code before transfering control to the payload */ + INIT_PHASE_BOOT = 0x40 +}; + +struct fsp_notify_params { + /* Notification phase used for NotifyPhase API */ + enum fsp_phase phase; +}; + +/* FspInit API function prototype */ +typedef asmlinkage u32 (*fsp_init_f)(struct fsp_init_params *params); + +/* FspNotify API function prototype */ +typedef asmlinkage u32 (*fsp_notify_f)(struct fsp_notify_params *params); + +#endif |