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-rw-r--r--src/soc/amd/common/block/acpimmio/biosram.c1
-rw-r--r--src/soc/amd/common/block/include/amdblocks/biosram.h8
-rw-r--r--src/soc/amd/common/block/pi/agesawrapper.c1
3 files changed, 8 insertions, 2 deletions
diff --git a/src/soc/amd/common/block/acpimmio/biosram.c b/src/soc/amd/common/block/acpimmio/biosram.c
index b01c196013..06bbed99e0 100644
--- a/src/soc/amd/common/block/acpimmio/biosram.c
+++ b/src/soc/amd/common/block/acpimmio/biosram.c
@@ -2,7 +2,6 @@
#include <amdblocks/acpimmio.h>
#include <amdblocks/biosram.h>
-#include <cbmem.h>
#include <device/mmio.h>
#include <stdint.h>
diff --git a/src/soc/amd/common/block/include/amdblocks/biosram.h b/src/soc/amd/common/block/include/amdblocks/biosram.h
index 39ce112c0e..226fc173d4 100644
--- a/src/soc/amd/common/block/include/amdblocks/biosram.h
+++ b/src/soc/amd/common/block/include/amdblocks/biosram.h
@@ -5,6 +5,14 @@
#include <stdint.h>
+/* Any new chipset and board must implement cbmem_top() for both
+ * romstage and ramstage to support early features like COLLECT_TIMESTAMPS
+ * and CBMEM_CONSOLE. With AMD it is necessary to have cbmem_top()
+ * value stored in nvram to enable early recovery on S3 path.
+ */
+void backup_top_of_low_cacheable(uintptr_t ramtop);
+uintptr_t restore_top_of_low_cacheable(void);
+
/* Returns the bootblock C entry point for APs */
void *get_ap_entry_ptr(void);
/* Used by BSP to store the bootblock entry point for APs */
diff --git a/src/soc/amd/common/block/pi/agesawrapper.c b/src/soc/amd/common/block/pi/agesawrapper.c
index de9144c02f..ff52fbd8c8 100644
--- a/src/soc/amd/common/block/pi/agesawrapper.c
+++ b/src/soc/amd/common/block/pi/agesawrapper.c
@@ -1,7 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
-#include <cbmem.h>
#include <console/console.h>
#include <timestamp.h>
#include <amdblocks/biosram.h>