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Diffstat (limited to 'src/arch/x86/boot/cbmem.c')
| -rw-r--r-- | src/arch/x86/boot/cbmem.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/arch/x86/boot/cbmem.c b/src/arch/x86/boot/cbmem.c new file mode 100644 index 0000000000..888c1f4058 --- /dev/null +++ b/src/arch/x86/boot/cbmem.c @@ -0,0 +1,35 @@ +/* + * This file is part of the coreboot project. + * + * 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 + */ + +#include <console/console.h> +#include <cbmem.h> + +#if !CONFIG_DYNAMIC_CBMEM +/* This is for compatibility with old boards only. Any new chipset and board + * must implement get_top_of_ram() for both romstage and ramstage to support + * features like CAR_MIGRATION and CBMEM_CONSOLE. + */ +void set_top_of_ram_once(uint64_t ramtop) +{ + if (high_tables_base == 0) { + high_tables_base = ramtop - HIGH_MEMORY_SIZE; + high_tables_size = HIGH_MEMORY_SIZE; + } + printk(BIOS_DEBUG, "high_tables_base: %08llx, size %lld\n", + high_tables_base, high_tables_size); +} +#endif |