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-rw-r--r--src/drivers/ocp/vpd/Makefile.mk11
-rw-r--r--src/drivers/ocp/vpd/xeonsp_cxl.c17
2 files changed, 26 insertions, 2 deletions
diff --git a/src/drivers/ocp/vpd/Makefile.mk b/src/drivers/ocp/vpd/Makefile.mk
index 1cdc63b524..29aad05374 100644
--- a/src/drivers/ocp/vpd/Makefile.mk
+++ b/src/drivers/ocp/vpd/Makefile.mk
@@ -1,7 +1,14 @@
## SPDX-License-Identifier: GPL-2.0-only
-romstage-$(CONFIG_OCP_VPD) += vpd_util.c
-ramstage-$(CONFIG_OCP_VPD) += vpd_util.c
+ifeq ($(CONFIG_OCP_VPD),y)
+romstage-y += vpd_util.c
+ramstage-y += vpd_util.c
+ifeq ($(CONFIG_XEON_SP_COMMON_BASE),y)
+romstage-$(CONFIG_SOC_INTEL_HAS_CXL) += xeonsp_cxl.c
+ramstage-$(CONFIG_SOC_INTEL_HAS_CXL) += xeonsp_cxl.c
+endif
+endif
+
ramstage-$(CONFIG_LINUXPAYLOAD_CMDLINE_VPD_OVERWRITE) += vpd_cmdline.c
ifeq ($(CONFIG_VPD),y)
all-$(CONFIG_CONSOLE_OVERRIDE_LOGLEVEL) += loglevel_vpd.c
diff --git a/src/drivers/ocp/vpd/xeonsp_cxl.c b/src/drivers/ocp/vpd/xeonsp_cxl.c
new file mode 100644
index 0000000000..92a8eba0f8
--- /dev/null
+++ b/src/drivers/ocp/vpd/xeonsp_cxl.c
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <drivers/ocp/include/vpd.h>
+#include <soc/config.h>
+
+enum xeonsp_cxl_mode get_cxl_mode(void)
+{
+ int ocp_cxl_mode = get_cxl_mode_from_vpd();
+ switch (ocp_cxl_mode) {
+ case CXL_SYSTEM_MEMORY:
+ return XEONSP_CXL_SYS_MEM;
+ case CXL_SPM:
+ return XEONSP_CXL_SP_MEM;
+ default:
+ return XEONSP_CXL_DISABLED;
+ }
+}