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-rw-r--r--src/soc/intel/alderlake/Makefile.inc1
-rw-r--r--src/soc/intel/alderlake/smbios.c14
2 files changed, 15 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/Makefile.inc b/src/soc/intel/alderlake/Makefile.inc
index b40083796156..e9266c0da494 100644
--- a/src/soc/intel/alderlake/Makefile.inc
+++ b/src/soc/intel/alderlake/Makefile.inc
@@ -45,6 +45,7 @@ ramstage-y += tcss.c
ramstage-y += vr_config.c
ramstage-y += xhci.c
ramstage-$(CONFIG_SOC_INTEL_CRASHLOG) += crashlog.c
+ramstage-y += smbios.c
smm-y += elog.c
smm-y += p2sb.c
diff --git a/src/soc/intel/alderlake/smbios.c b/src/soc/intel/alderlake/smbios.c
new file mode 100644
index 000000000000..d0d9d7906210
--- /dev/null
+++ b/src/soc/intel/alderlake/smbios.c
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <intelblocks/cpulib.h>
+#include <intelblocks/msr.h>
+#include <smbios.h>
+
+/* AlderLake bus clock is fixed at 100MHz */
+#define ADL_BCLK 100
+
+/* Provide the max turbo frequency of the CPU */
+unsigned int smbios_cpu_get_max_speed_mhz(void)
+{
+ return cpu_get_max_turbo_ratio() * ADL_BCLK;
+}