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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <bootsplash.h>
#include <cbfs.h>
#include <cbmem.h>
#include <commonlib/fsp.h>
#include <commonlib/stdlib.h>
#include <console/console.h>
#include <fsp/api.h>
#include <fsp/util.h>
#include <program_loading.h>
#include <soc/intel/common/vbt.h>
#include <stage_cache.h>
#include <string.h>
#include <timestamp.h>
#include <types.h>
#include <mode_switch.h>
struct fsp_header fsps_hdr;
struct fsp_multi_phase_get_number_of_phases_params {
uint32_t number_of_phases;
uint32_t phases_executed;
};
/* Callbacks for SoC/Mainboard specific overrides */
void __weak platform_fsp_multi_phase_init_cb(uint32_t phase_index)
{
/* Leave for the SoC/Mainboard to implement if necessary. */
}
int __weak soc_fsp_multi_phase_init_is_enable(void)
{
return 1;
}
/* FSP Specification < 2.2 has only 1 stage like FspSiliconInit. FSP specification >= 2.2
* has multiple stages as below.
*/
enum fsp_silicon_init_phases {
FSP_SILICON_INIT_API,
FSP_MULTI_PHASE_SI_INIT_GET_NUMBER_OF_PHASES_API,
FSP_MULTI_PHASE_SI_INIT_EXECUTE_PHASE_API
};
static void fsps_return_value_handler(enum fsp_silicon_init_phases phases, uint32_t status)
{
uint8_t postcode;
/* Handle any reset request returned by FSP-S APIs */
fsp_handle_reset(status);
if (status == FSP_SUCCESS)
return;
/* Handle all other errors returned by FSP-S APIs */
/* Assume video failure if attempted to initialize graphics */
if (CONFIG(RUN_FSP_GOP) && vbt_get())
postcode = POST_VIDEO_FAILURE;
else
postcode = POST_HW_INIT_FAILURE; /* else generic */
switch (phases) {
case FSP_SILICON_INIT_API:
die_with_post_code(postcode, "FspSiliconInit returned with error 0x%08x\n",
status);
break;
case FSP_MULTI_PHASE_SI_INIT_GET_NUMBER_OF_PHASES_API:
printk(BIOS_SPEW, "FspMultiPhaseSiInit NumberOfPhases returned 0x%08x\n",
status);
break;
case FSP_MULTI_PHASE_SI_INIT_EXECUTE_PHASE_API:
printk(BIOS_SPEW, "FspMultiPhaseSiInit ExecutePhase returned 0x%08x\n",
status);
break;
default:
break;
}
}
static void do_silicon_init(struct fsp_header *hdr)
{
FSPS_UPD *upd, *supd;
fsp_silicon_init_fn silicon_init;
uint32_t status;
fsp_multi_phase_si_init_fn multi_phase_si_init;
struct fsp_multi_phase_params multi_phase_params;
struct fsp_multi_phase_get_number_of_phases_params multi_phase_get_number;
supd = (FSPS_UPD *) (uintptr_t)(hdr->cfg_region_offset + hdr->image_base);
fsp_verify_upd_header_signature(supd->FspUpdHeader.Signature, FSPS_UPD_SIGNATURE);
/* FSPS UPD and coreboot structure sizes should match. However, enforcing the exact
* match mandates simultaneous updates to coreboot and FSP repos. Allow coreboot
* to proceed if its UPD structure is smaller than FSP one to enable staggered UPD
* update process on both sides. The mismatch indicates a temporary build problem,
* don't leave it like this as FSP default settings can be bad choices for coreboot.
*/
if (!hdr->cfg_region_size || hdr->cfg_region_size < sizeof(FSPS_UPD))
die_with_post_code(POST_INVALID_VENDOR_BINARY,
"Invalid FSPS UPD region\n");
else if (hdr->cfg_region_size > sizeof(FSPS_UPD))
printk(BIOS_ERR, "FSP and coreboot are out of sync! FSPS UPD size > coreboot\n");
upd = xmalloc(hdr->cfg_region_size);
memcpy(upd, supd, hdr->cfg_region_size);
/* Give SoC/mainboard a chance to populate entries */
platform_fsp_silicon_init_params_cb(upd);
/* Populate logo related entries */
if (CONFIG(BMP_LOGO))
soc_load_logo(upd);
/* Call SiliconInit */
silicon_init = (void *) (uintptr_t)(hdr->image_base +
hdr->silicon_init_entry_offset);
fsp_debug_before_silicon_init(silicon_init, supd, upd);
timestamp_add_now(TS_FSP_SILICON_INIT_START);
post_code(POST_FSP_SILICON_INIT);
if (ENV_X86_64 && CONFIG(PLATFORM_USES_FSP2_X86_32))
status = protected_mode_call_1arg(silicon_init, (uintptr_t)upd);
else
status = silicon_init(upd);
printk(BIOS_ERR, "FSPS returned %x\n", status);
timestamp_add_now(TS_FSP_SILICON_INIT_END);
post_code(POST_FSP_SILICON_EXIT);
if (CONFIG(BMP_LOGO))
bmp_release_logo();
fsp_debug_after_silicon_init(status);
fsps_return_value_handler(FSP_SILICON_INIT_API, status);
/* Reinitialize CPUs if FSP-S has done MP Init */
if (CONFIG(USE_INTEL_FSP_MP_INIT))
do_mpinit_after_fsp();
if (!CONFIG(PLATFORM_USES_FSP2_2))
return;
/* Check if SoC user would like to call Multi Phase Init */
if (!soc_fsp_multi_phase_init_is_enable())
return;
/* Call MultiPhaseSiInit */
multi_phase_si_init = (void *) (uintptr_t)(hdr->image_base +
hdr->multi_phase_si_init_entry_offset);
/* Implementing multi_phase_si_init() is optional as per FSP 2.2 spec */
if (multi_phase_si_init == NULL)
return;
post_code(POST_FSP_MULTI_PHASE_SI_INIT_ENTRY);
timestamp_add_now(TS_FSP_MULTI_PHASE_SI_INIT_START);
/* Get NumberOfPhases Value */
multi_phase_params.multi_phase_action = GET_NUMBER_OF_PHASES;
multi_phase_params.phase_index = 0;
multi_phase_params.multi_phase_param_ptr = &multi_phase_get_number;
status = multi_phase_si_init(&multi_phase_params);
fsps_return_value_handler(FSP_MULTI_PHASE_SI_INIT_GET_NUMBER_OF_PHASES_API, status);
/* Execute Multi Phase Execution */
for (int i = 1; i <= multi_phase_get_number.number_of_phases; i++) {
printk(BIOS_SPEW, "Executing Phase %d of FspMultiPhaseSiInit\n", i);
/*
* Give SoC/mainboard a chance to perform any operation before
* Multi Phase Execution
*/
platform_fsp_multi_phase_init_cb(i);
multi_phase_params.multi_phase_action = EXECUTE_PHASE;
multi_phase_params.phase_index = i;
multi_phase_params.multi_phase_param_ptr = NULL;
status = multi_phase_si_init(&multi_phase_params);
fsps_return_value_handler(FSP_MULTI_PHASE_SI_INIT_EXECUTE_PHASE_API, status);
}
timestamp_add_now(TS_FSP_MULTI_PHASE_SI_INIT_END);
post_code(POST_FSP_MULTI_PHASE_SI_INIT_EXIT);
}
static void *fsps_allocator(void *arg_unused, size_t size, const union cbfs_mdata *mdata_unused)
{
return cbmem_add(CBMEM_ID_REFCODE, size);
}
void fsps_load(void)
{
struct fsp_load_descriptor fspld = {
.fsp_prog = PROG_INIT(PROG_REFCODE, CONFIG_FSP_S_CBFS),
.alloc = fsps_allocator,
};
struct prog *fsps = &fspld.fsp_prog;
static int load_done;
if (load_done)
return;
if (resume_from_stage_cache()) {
printk(BIOS_DEBUG, "Loading FSPS from stage_cache\n");
stage_cache_load_stage(STAGE_REFCODE, fsps);
struct region_device prog_rdev;
prog_chain_rdev(fsps, &prog_rdev);
if (fsp_validate_component(&fsps_hdr, &prog_rdev) != CB_SUCCESS)
die("On resume fsps header is invalid\n");
load_done = 1;
return;
}
if (fsp_load_component(&fspld, &fsps_hdr) != CB_SUCCESS)
die("FSP-S failed to load\n");
stage_cache_add(STAGE_REFCODE, fsps);
load_done = 1;
}
void fsp_silicon_init(void)
{
fsps_load();
do_silicon_init(&fsps_hdr);
}
__weak void soc_load_logo(FSPS_UPD *supd) { }
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