src/drivers/intel/fsp2_0/include/fsp/info_header.h

   1 /* This file is part of the coreboot project. */
   2 /* SPDX-License-Identifier: GPL-2.0-or-later */
   3
   4 #ifndef _FSP2_0_INFO_HEADER_H_
   5 #define _FSP2_0_INFO_HEADER_H_
   6
   7 #include <stdint.h>
   8 #include <types.h>
   9
  10 #define FSP_HDR_OFFSET                  0x94
  11 #define FSP_HDR_LEN                     0x48
  12 #define FSP_HDR_SIGNATURE               "FSPH"
  13 #define FSP_HDR_ATTRIB_FSPT             1
  14 #define FSP_HDR_ATTRIB_FSPM             2
  15 #define FSP_HDR_ATTRIB_FSPS             3
  16
  17 struct fsp_header {
  18         uint32_t fsp_revision;
  19         size_t image_size;
  20         uintptr_t image_base;
  21         uint16_t image_attribute;
  22         uint8_t spec_version;
  23         uint16_t component_attribute;
  24         size_t cfg_region_offset;
  25         size_t cfg_region_size;
  26         size_t temp_ram_init_entry;
  27         size_t temp_ram_exit_entry;
  28         size_t notify_phase_entry_offset;
  29         size_t memory_init_entry_offset;
  30         size_t silicon_init_entry_offset;
  31         char image_id[sizeof(uint64_t) + 1];
  32         uint8_t revision;
  33 };
  34
  35 enum cb_err fsp_identify(struct fsp_header *hdr, const void *fsp_blob);
  36
  37 /*
  38  * This is a FSP_INFO_HEADER that came from fsps.bin blob. It contains
  39  * both SiliconInit and Notify APIs. When SiliconInit is loaded the
  40  * header is saved so that when Notify is called we do not have to start
  41  * header parsing again.
  42  */
  43 extern struct fsp_header fsps_hdr;
  44
  45 #endif /* _FSP2_0_INFO_HEADER_H_ */