u-boot/arch/x86/include/asm/fsp1/fsp_support.h
Simon Glass b2d544a15d x86: Move common fsp functions into a common file
Some of this file can be shared between FSP1 and FSP2. Move it into a
shared 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>
2019-10-08 13:54:01 +08:00

72 lines
1.9 KiB
C

/* SPDX-License-Identifier: Intel */
/*
* Copyright (C) 2013, Intel Corporation
* Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
*/
#ifndef __FSP1_SUPPORT_H__
#define __FSP1_SUPPORT_H__
#include <asm/fsp/fsp_support.h>
#include "fsp_ffs.h"
/**
* fsp_asm_continuation() - FSP Continuation assembly helper routine
*
* This routine jumps to the C version of FSP continuation function
*/
void fsp_asm_continuation(void);
/**
* fsp_init_done() - FSP initialization complete
*
* This is the function that indicates FSP initialization is complete and jumps
* back to the bootloader with HOB list pointer as the parameter.
*
* @hob_list: HOB list pointer
*/
void fsp_init_done(void *hob_list);
/**
* fsp_continue() - FSP Continuation function
*
* @status: Always 0
* @hob_list: HOB list pointer
*
* @return Never returns
*/
void fsp_continue(u32 status, void *hob_list);
/**
* fsp_init() - FSP initialization wrapper function
*
* @stack_top: bootloader stack top address
* @boot_mode: boot mode defined in fsp_bootmode.h
* @nvs_buf: Non-volatile memory buffer pointer
*/
void fsp_init(u32 stack_top, u32 boot_mode, void *nvs_buf);
/**
* fsp_get_bootloader_tmp_mem() - retrieves temporary stack buffer and size
*
* @hob_list: A HOB list pointer.
* @len: A pointer to the bootloader temporary stack length.
* If the HOB is located, the length will be updated.
*
* @return NULL: Failed to find the bootloader temporary stack HOB.
* @return others: Bootloader temporary stackbuffer pointer.
*/
void *fsp_get_bootloader_tmp_mem(const void *hob_list, u32 *len);
/**
* fsp_update_configs() - overrides the default configurations of FSP
*
* @config: A pointer to the FSP configuration data structure
* @rt_buf: A pointer to the FSP runtime buffer data structure
*
* @return None
*/
void fsp_update_configs(struct fsp_config_data *config,
struct fspinit_rtbuf *rt_buf);
#endif