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/* SPDX-License-Identifier: GPL-2.0-or-later */
#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>
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;
const struct cbmem_entry *logo_entry = NULL;
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 *) (hdr->cfg_region_offset + hdr->image_base);
if (supd->FspUpdHeader.Signature != FSPS_UPD_SIGNATURE)
die_with_post_code(POST_INVALID_VENDOR_BINARY,
"Invalid FSPS signature\n");
/* Disallow invalid config regions. Default settings are likely bad
* choices for coreboot, and different sized UPD from what the region
* allows is potentially a build problem.
*/
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");
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(FSP2_0_DISPLAY_LOGO))
logo_entry = soc_load_logo(upd);
/* Call SiliconInit */
silicon_init = (void *) (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);
status = silicon_init(upd);
timestamp_add_now(TS_FSP_SILICON_INIT_END);
post_code(POST_FSP_SILICON_EXIT);
if (logo_entry)
cbmem_entry_remove(logo_entry);
fsp_debug_after_silicon_init(status);
fsps_return_value_handler(FSP_SILICON_INIT_API, status);
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 *) (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 int fsps_get_dest(const struct fsp_load_descriptor *fspld, void **dest,
size_t size, const struct region_device *source)
{
*dest = cbmem_add(CBMEM_ID_REFCODE, size);
if (*dest == NULL)
return -1;
return 0;
}
void fsps_load(bool s3wake)
{
struct fsp_load_descriptor fspld = {
.fsp_prog = PROG_INIT(PROG_REFCODE, CONFIG_FSP_S_CBFS),
.get_destination = fsps_get_dest,
};
struct prog *fsps = &fspld.fsp_prog;
static int load_done;
if (load_done)
return;
if (s3wake && !CONFIG(NO_STAGE_CACHE)) {
printk(BIOS_DEBUG, "Loading FSPS from stage_cache\n");
stage_cache_load_stage(STAGE_REFCODE, fsps);
if (fsp_validate_component(&fsps_hdr, prog_rdev(fsps)) != 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(bool s3wake)
{
fsps_load(s3wake);
do_silicon_init(&fsps_hdr);
}
/* Load bmp and set FSP parameters, fsp_load_logo can be used */
__weak const struct cbmem_entry *soc_load_logo(FSPS_UPD *supd)
{
return NULL;
}
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