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-rw-r--r--src/arch/x86/boot/Makefile.inc1
-rw-r--r--src/arch/x86/boot/cbmem.c35
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