diff --git a/src/soc/amd/turin_poc/Makefile.mk b/src/soc/amd/turin_poc/Makefile.mk
index 68144574c2..5cbcbea405 100644
--- a/src/soc/amd/turin_poc/Makefile.mk
+++ b/src/soc/amd/turin_poc/Makefile.mk
@@ -8,6 +8,9 @@ all-y		+= i2c.c
 all-y		+= i3c.c
 all-y		+= uart.c
 
+all-y		+= lpc.c
+smm-y		+= lpc.c
+
 bootblock-y	+= early_fch.c
 bootblock-y	+= aoac.c
 
diff --git a/src/soc/amd/turin_poc/lpc.c b/src/soc/amd/turin_poc/lpc.c
new file mode 100644
index 0000000000..23a32f5de3
--- /dev/null
+++ b/src/soc/amd/turin_poc/lpc.c
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <amdblocks/lpc.h>
+#include <device/pci.h>
+#include <soc/pci_devs.h>
+
+void soc_lpc_tpm_decode_spi(void)
+{
+	/* SoC-specific SPI TPM setting */
+	pci_or_config32(SOC_LPC_DEV, 0xdc, 1);
+}