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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2013-06-27 08:20:09 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2013-09-11 07:06:15 +0200 |
| commit | e7e847cd5c60d51bf5a50663a191b4e622c5c234 (patch) | |
| tree | 9428184b19d697da741c9f87280df227c7f3c872 /src/arch/x86/boot | |
| parent | 9c7d73ca3f5b2985cb0f498038a746bcc0f2cac7 (diff) | |
CBMEM AMD: Remove references to global high_tables_base
Prepare for removal of globals high_tables_base and _size
by replacing the references with a helper function.
Added set_top_of_ram_once() may be called several times,
but only the first call (with non-zero argument) takes effect.
Change-Id: I5b5f71630f03b6a01e9c8ff96cb78e9da03e5cc3
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/3894
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src/arch/x86/boot')
| -rw-r--r-- | src/arch/x86/boot/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/arch/x86/boot/cbmem.c | 35 |
2 files changed, 36 insertions, 0 deletions
diff --git a/src/arch/x86/boot/Makefile.inc b/src/arch/x86/boot/Makefile.inc index 7b67e49c1c..9334839a62 100644 --- a/src/arch/x86/boot/Makefile.inc +++ b/src/arch/x86/boot/Makefile.inc @@ -2,6 +2,7 @@ ramstage-y += boot.c ramstage-$(CONFIG_MULTIBOOT) += multiboot.c ramstage-y += gdt.c ramstage-y += tables.c +ramstage-y += cbmem.c ramstage-$(CONFIG_GENERATE_MP_TABLE) += mpspec.c ramstage-$(CONFIG_GENERATE_PIRQ_TABLE) += pirq_routing.c ramstage-$(CONFIG_GENERATE_ACPI_TABLES) += acpi.c 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 |