src/drivers/intel/fsp2_0/notify.c


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/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2015-2016 Intel Corp.
 * (Written by Andrey Petrov <andrey.petrov@intel.com> for Intel Corp.)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#include <arch/cpu.h>
#include <console/console.h>
#include <fsp/api.h>
#include <fsp/util.h>
#include <string.h>
#include <timestamp.h>

struct fsp_notify_params {
	enum fsp_notify_phase phase;
};

typedef asmlinkage enum fsp_status (*fsp_notify_fn)
				   (struct fsp_notify_params *);

enum fsp_status fsp_notify(enum fsp_notify_phase phase)
{
	enum fsp_status ret;
	fsp_notify_fn fspnotify;
	struct fsp_notify_params notify_params = { .phase = phase };

	if (!fsps_hdr.silicon_init_entry_offset)
		return FSP_NOT_FOUND;

	fspnotify = (void*) (fsps_hdr.image_base +
			    fsps_hdr.notify_phase_entry_offset);

	printk(BIOS_DEBUG, "FspNotify %x\n", (uint32_t) phase);

	if (phase == AFTER_PCI_ENUM) {
		timestamp_add_now(TS_FSP_BEFORE_ENUMERATE);
		post_code(POST_FSP_NOTIFY_BEFORE_ENUMERATE);
	} else if (phase == READY_TO_BOOT) {
		timestamp_add_now(TS_FSP_BEFORE_FINALIZE);
		post_code(POST_FSP_NOTIFY_BEFORE_FINALIZE);
	}

	ret = fspnotify(&notify_params);

	if (phase == AFTER_PCI_ENUM) {
		timestamp_add_now(TS_FSP_AFTER_ENUMERATE);
		post_code(POST_FSP_NOTIFY_BEFORE_ENUMERATE);
	} else if (phase == READY_TO_BOOT) {
		timestamp_add_now(TS_FSP_AFTER_FINALIZE);
		post_code(POST_FSP_NOTIFY_BEFORE_FINALIZE);
	}

	return ret;
}