diff options
Diffstat (limited to 'src/soc/mediatek/common/cbmem.c')
-rw-r--r-- | src/soc/mediatek/common/cbmem.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/soc/mediatek/common/cbmem.c b/src/soc/mediatek/common/cbmem.c new file mode 100644 index 0000000000..8906565bd5 --- /dev/null +++ b/src/soc/mediatek/common/cbmem.c @@ -0,0 +1,27 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 MediaTek Inc. + * + * 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; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <cbmem.h> +#include <stddef.h> +#include <stdlib.h> +#include <symbols.h> +#include <soc/emi.h> + +#define MAX_DRAM_ADDRESS ((uintptr_t)4 * GiB) + +void *cbmem_top(void) +{ + return (void *)min((uintptr_t)_dram + sdram_size(), MAX_DRAM_ADDRESS); +} |