1 files changed, 22 insertions, 0 deletions
diff --git a/src/include/ramdetect.h b/src/include/ramdetect.h
new file mode 100644
index 0000000000..b63cdf14cf
--- /dev/null
+++ b/src/include/ramdetect.h
@@ -0,0 +1,22 @@
+/*
+ * 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.
+ */
+
+/*
+ * Probe an area if it's read/writable.
+ * Primary use case is the detection of DRAM amount on emulators.
+ *
+ * @param dram_start Physical address of DRAM start
+ * @param probe_size Maximum size in MiB to probe for
+ * @return The detected DRAM size in MiB
+ */
+size_t probe_ramsize(const uintptr_t dram_start, const size_t probe_size);