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jinkun.hongac490b82014-06-22 20:40:39 -07001/*
2 * This file is part of the coreboot project.
3 *
jinkun.hongac490b82014-06-22 20:40:39 -07004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
jinkun.hongac490b82014-06-22 20:40:39 -070013 */
14
jinkun.hongac490b82014-06-22 20:40:39 -070015#include <cbmem.h>
Elyes HAOUASba9b5042019-12-19 07:47:52 +010016#include <commonlib/helpers.h>
Lin Huang19eb7502016-03-26 11:50:05 +080017#include <soc/addressmap.h>
huang linee28c862015-01-26 21:04:55 +080018#include <soc/sdram.h>
Lin Huang19eb7502016-03-26 11:50:05 +080019#include <symbols.h>
Julius Werner7a453eb2014-10-20 13:14:55 -070020
Arthur Heymans340e4b82019-10-23 17:25:58 +020021void *cbmem_top_chipset(void)
jinkun.hongac490b82014-06-22 20:40:39 -070022{
Elyes HAOUASba9b5042019-12-19 07:47:52 +010023 return (void *)MIN((uintptr_t)_dram + sdram_size_mb() * MiB,
Lin Huang19eb7502016-03-26 11:50:05 +080024 MAX_DRAM_ADDRESS);
jinkun.hongac490b82014-06-22 20:40:39 -070025}