romstage.c

Go to the documentation of this file.

/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <acpi/acpi.h>
#include <amdblocks/acpimmio.h>
#include <amdblocks/memmap.h>
#include <amdblocks/pmlib.h>
#include <arch/cpu.h>
#include <console/console.h>
#include <fsp/api.h>
#include <program_loading.h>
#include <timestamp.h>
 
asmlinkage void car_stage_entry(void)
{
        timestamp_add_now(TS_ROMSTAGE_START);
 
        post_code(0x40);
 
        console_init();
 
        post_code(0x41);
 
        /* Snapshot chipset state prior to any FSP call */
        fill_chipset_state();
 
        fsp_memory_init(acpi_is_wakeup_s3());
 
        /* Fixup settings FSP-M should not be changing */
        fch_disable_legacy_dma_io();
 
        memmap_stash_early_dram_usage();
 
        run_ramstage();
}