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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013-2014 Sage Electronic Engineering, LLC.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef FSP_UTIL_H
#define FSP_UTIL_H
#include <compiler.h>
#include <chipset_fsp_util.h>
#include "fsp_values.h"
#if IS_ENABLED(CONFIG_ENABLE_MRC_CACHE)
int save_mrc_data(void *hob_start);
void * find_and_set_fastboot_cache(void);
#endif
volatile u8 * find_fsp (void);
void fsp_early_init(FSP_INFO_HEADER *fsp_info);
void FspNotify(u32 Phase);
void FspNotifyReturnPoint(EFI_STATUS Status, VOID *HobListPtr);
void romstage_fsp_rt_buffer_callback(FSP_INIT_RT_BUFFER *FspRtBuffer);
void print_fsp_info(void);
void chipset_fsp_early_init(FSP_INIT_PARAMS *FspInitParams,
FSP_INFO_HEADER *fsp_ptr);
void ChipsetFspReturnPoint(EFI_STATUS Status, VOID *HobListPtr);
void * find_saved_temp_mem(void *hob_list_ptr);
void * find_fsp_reserved_mem(void *hob_list_ptr);
/* functions in hob.c */
void print_hob_mem_attributes(void *Hobptr);
void print_hob_type_structure(u16 Hobtype, void *Hoblistptr);
void print_hob_resource_attributes(void *Hobptr);
void print_guid_type_attributes(void *Hobptr);
const char * get_hob_type_string(void *Hobptr);
void * find_hob_by_guid(void *Hoblistptr, EFI_GUID *guid1);
uint8_t guids_are_equal(EFI_GUID *guid1, EFI_GUID *guid2);
void printguid(EFI_GUID *guid);
/* Additional HOB types not included in the FSP:
* #define EFI_HOB_TYPE_HANDOFF 0x0001
* #define EFI_HOB_TYPE_MEMORY_ALLOCATION 0x0002
* #define EFI_HOB_TYPE_RESOURCE_DESCRIPTOR 0x0003
* #define EFI_HOB_TYPE_GUID_EXTENSION 0x0004
* #define EFI_HOB_TYPE_FV 0x0005
* #define EFI_HOB_TYPE_CPU 0x0006
* #define EFI_HOB_TYPE_MEMORY_POOL 0x0007
* #define EFI_HOB_TYPE_CV 0x0008
* #define EFI_HOB_TYPE_UNUSED 0xFFFE
* #define EFI_HOB_TYPE_END_OF_HOB_LIST 0xffff
*/
#define EFI_HOB_TYPE_HANDOFF 0x0001
#define EFI_HOB_TYPE_MEMORY_POOL 0x0007
#if IS_ENABLED(CONFIG_ENABLE_MRC_CACHE)
#define MRC_DATA_ALIGN 0x1000
#define MRC_DATA_SIGNATURE (('M'<<0)|('R'<<8)|('C'<<16)|('D'<<24))
struct mrc_data_container {
u32 mrc_signature; // "MRCD"
u32 mrc_data_size; // Actual total size of this structure
u32 mrc_checksum; // IP style checksum
u32 reserved; // For header alignment
u8 mrc_data[0]; // Variable size, platform/run time dependent.
} __packed;
struct mrc_data_container *find_current_mrc_cache(void);
#if !defined(__PRE_RAM__)
void update_mrc_cache(void *unused);
#endif
#endif
/* The offset in bytes from the start of the info structure */
#define FSP_IMAGE_SIG_LOC 0
#define FSP_IMAGE_ID_LOC 16
#define FSP_IMAGE_BASE_LOC 28
#define FSP_SIG 0x48505346 /* 'FSPH' */
#define ERROR_NO_FV_SIG 1
#define ERROR_NO_FFS_GUID 2
#define ERROR_NO_INFO_HEADER 3
#define ERROR_IMAGEBASE_MISMATCH 4
#define ERROR_INFO_HEAD_SIG_MISMATCH 5
#define ERROR_FSP_SIG_MISMATCH 6
#ifndef __PRE_RAM__
extern void *FspHobListPtr;
#endif
#define UPD_DEFAULT_CHECK(member) \
if (config->member != UPD_DEFAULT) { \
UpdData->member = config->member - 1; \
} \
printk(FSP_INFO_LEVEL, #member ":\t\t0x%02x %s\n", UpdData->member, \
config->member ? "(set)" : "(default)");
#define UPD_SPD_CHECK(member) \
if (config->member == UPD_SPD_ADDR_DISABLED) { \
UpdData->member = 0x00; \
} else if (config->member != UPD_SPD_ADDR_DEFAULT) { \
UpdData->member = config->member; \
} \
printk(FSP_INFO_LEVEL, #member ":\t\t0x%02x %s\n", UpdData->member, \
config->member ? "(set)" : "(default)");
#define UPD_DEVICE_CHECK(devicename, member, statement) \
case devicename: \
UpdData->member = dev->enabled; \
printk(FSP_INFO_LEVEL, statement "%s\n", \
UpdData->member?"Enabled":"Disabled"); \
break;
#ifndef FSP_BOOTLOADER_TEMPORARY_MEMORY_HOB_GUID
#define FSP_BOOTLOADER_TEMPORARY_MEMORY_HOB_GUID \
{ 0xbbcff46c, 0xc8d3, 0x4113, { 0x89, 0x85, 0xb9, 0xd4, 0xf3, 0xb3, 0xf6, 0x4e } };
#endif
#endif /* FSP_UTIL_H */
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