util.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef FSP1_1_UTIL_H
#define FSP1_1_UTIL_H
 
#include <arch/cpu.h>
#include <fsp/api.h>
/* Current users expect to get the SoC's FSP definitions by including util.h. */
#include <fsp/soc_binding.h>
#include <program_loading.h>
#include <commonlib/region.h>
 
/* find_fsp() should only be called from assembly code. */
FSP_INFO_HEADER *find_fsp(uintptr_t fsp_base_address);
/* Set FSP's runtime information. */
void fsp_set_runtime(FSP_INFO_HEADER *fih, void *hob_list);
/* Use a new FSP_INFO_HEADER at runtime. */
void fsp_update_fih(FSP_INFO_HEADER *fih);
/* fsp_get_fih() is only valid after calling fsp_set_runtime(). */
FSP_INFO_HEADER *fsp_get_fih(void);
/* fsp_get_hob_list() is only valid after calling fsp_set_runtime(). */
void *fsp_get_hob_list(void);
void fsp_early_init(FSP_INFO_HEADER *fsp_info);
void fsp_notify(u32 phase);
void print_hob_type_structure(u16 hob_type, void *hob_list_ptr);
void print_fsp_info(FSP_INFO_HEADER *fsp_header);
void *get_resource_hob(const EFI_GUID *guid, const void *hob_start);
void fsp_display_upd_value(const char *name, uint32_t size, uint64_t old,
        uint64_t new);
void report_fsp_output(void);
 
/* Return version of FSP associated with fih. */
static inline uint32_t fsp_version(FSP_INFO_HEADER *fih)
{
        return fih->ImageRevision;
}
 
/*
 * Relocate FSP entire binary into ram. Returns < 0 on error, 0 on success.
 * The CBFS file name of the FSP source and the relocation information
 * is encoded in a struct prog with its entry point set to the FSP info header.
 */
int fsp_relocate(struct prog *fsp_relocd);
 
/* 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
 
/* 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_IMAGE_ATTRIBUTE_LOC                 32
#define  GRAPHICS_SUPPORT_BIT                   (1 << 0)
 
#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
#define ERROR_FSP_REV_MISMATCH                  7
 
#if ENV_RAMSTAGE
extern void *FspHobListPtr;
#endif
 
void *get_hob_list(void);
void *get_guid_hob(const EFI_GUID *guid, const void *hob_start);
 
asmlinkage void chipset_teardown_car_main(void);
 
#endif  /* FSP1_1_UTIL_H */