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/*
* Copyright (C) 2013, Intel Corporation
* Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
*
* SPDX-License-Identifier: Intel
*/
#ifndef __FSP_API_H__
#define __FSP_API_H__
/*
* 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);
#pragma pack(1)
struct fsp_init_params_t {
/* Non-volatile storage buffer pointer */
void *nvs_buf;
/* Runtime buffer pointer */
void *rt_buf;
/* Continuation function address */
fsp_continuation_f continuation;
};
struct common_buf_t {
/*
* 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 reserved[7]; /* Reserved */
};
enum fsp_phase_t {
/* 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_t {
/* Notification phase used for NotifyPhase API */
enum fsp_phase_t phase;
};
#pragma pack()
/* FspInit API function prototype */
typedef u32 (*fsp_init_f)(struct fsp_init_params_t *param);
/* FspNotify API function prototype */
typedef u32 (*fsp_notify_f)(struct fsp_notify_params_t *param);
#endif
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