aopen/dxplplusu: Support SMM_ASEG and SMM_TSEG

Both SMM_ASEG and SMM_TSEG choices work.

There is periodic TCO timeout occurring.
At least with DEBUG_SMI kernel reports low memory corruption.

Change-Id: If20a7092117612a1a9e25eb6ac480e105acd57d7
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61517
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/southbridge/intel/i82801dx/smihandler.c b/src/southbridge/intel/i82801dx/smihandler.c
new file mode 100644
index 0000000000..050567a11c
--- /dev/null
+++ b/src/southbridge/intel/i82801dx/smihandler.c
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <southbridge/intel/common/pmutil.h>
+#include "i82801dx.h"
+
+void southbridge_smi_monitor(void)
+{
+}
+
+void southbridge_finalize_all(void)
+{
+}