diff options
Diffstat (limited to 'src/include/cbmem.h')
| -rw-r--r-- | src/include/cbmem.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/include/cbmem.h b/src/include/cbmem.h new file mode 100644 index 000000000000..5048a5d1ff78 --- /dev/null +++ b/src/include/cbmem.h @@ -0,0 +1,49 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2009 coresystems GmbH + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA + */ + +#ifndef _CBMEM_H_ +#define _CBMEM_H_ + +/* Reserve 64k for ACPI and other tables */ +#define HIGH_MEMORY_TABLES ( 64 * 1024 ) + +#if CONFIG_HAVE_ACPI_RESUME +#define HIGH_MEMORY_SIZE ( 1024 * 1024 ) +#define HIGH_MEMORY_SAVE ( HIGH_MEMORY_SIZE - HIGH_MEMORY_TABLES ) +#else +#define HIGH_MEMORY_SIZE HIGH_MEMORY_TABLES +#endif + +#define CBMEM_ID_FREESPACE 0x46524545 +#define CBMEM_ID_GDT 0x4c474454 +#define CBMEM_ID_ACPI 0x41435049 +#define CBMEM_ID_CBTABLE 0x43425442 +#define CBMEM_ID_PIRQ 0x49525154 +#define CBMEM_ID_MPTABLE 0x534d5054 +#define CBMEM_ID_RESUME 0x5245534d +#define CBMEM_ID_NONE 0x00000000 + +void cbmem_initialize(void); + +void cbmem_init(u64 baseaddr, u64 size); +int cbmem_reinit(u64 baseaddr); +void *cbmem_add(u32 id, u64 size); +void *cbmem_find(u32 id); + +#endif |