blob: 397fd263d7127d23f0feca253768b88d4e2b4cbc [file] [log] [blame]
David Hendricks8cbd5692017-12-01 20:49:48 -08001/*
2 * This file is part of the coreboot project.
3 *
4 * Copyright 2014 Rockchip Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16#include <cbmem.h>
17#include <soc/addressmap.h>
18#include <soc/sdram.h>
19#include <stdlib.h>
20#include <symbols.h>
21
22void *cbmem_top(void)
23{
Patrick Rudolph52acef12018-08-08 12:46:18 +020024 /* Make sure not to overlap with reserved ATF scratchpad */
25 return (void *)min((uintptr_t)_dram + (sdram_size_mb() - 1) * MiB,
26 4ULL * GiB);
David Hendricks8cbd5692017-12-01 20:49:48 -080027}