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/* SPDX-License-Identifier: GPL-2.0-only */
#include <bootblock_common.h>
#include <console/console.h>
#include <soc/psp_transfer.h>
#include <symbols.h>
#include <timestamp.h>
void boot_with_psp_timestamp(uint64_t base_timestamp)
{
const struct transfer_info_struct *info = (const struct transfer_info_struct *)
(void *)(uintptr_t)_transfer_buffer;
if (!transfer_buffer_valid(info) || info->timestamp == 0)
return;
replay_transfer_buffer_cbmemc();
/*
* info->timestamp is PSP's timestamp (in microseconds)
* when x86 processor is released.
*/
uint64_t psp_last_ts = info->timestamp;
int i;
struct timestamp_table *psp_ts_table =
(struct timestamp_table *)(void *)
((uintptr_t)_transfer_buffer + info->timestamp_offset);
/* new base_timestamp will be offset for all PSP timestamps. */
base_timestamp -= psp_last_ts;
for (i = 0; i < psp_ts_table->num_entries; i++) {
struct timestamp_entry *tse = &psp_ts_table->entries[i];
/*
* We ignore the time between x86 processor release and bootblock.
* Since timestamp_add subtracts base_time, we first add old base_time
* to make it absolute then add base_timestamp again since
* it'll be a new base_time.
*
* We don't need to convert unit since both PSP and coreboot
* will use 1us granularity.
*
*/
tse->entry_stamp += psp_ts_table->base_time + base_timestamp;
}
bootblock_main_with_timestamp(base_timestamp, psp_ts_table->entries,
psp_ts_table->num_entries);
}
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