u-boot/arch/x86/include/asm/fsp/fsp_api.h
Simon Glass 82196cf34f x86: Adjust the FSP types slightly
To avoid casts, find_fsp_header() should return a pointer. Add asmlinkage
to two API functions which use that convention. UPD_TERMINATOR is common
so move it into a common file.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
2015-02-05 22:16:43 -07:00

57 lines
1.4 KiB
C

/*
* 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__
#include <linux/linkage.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);
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 reserved[7]; /* 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