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-rw-r--r--src/soc/intel/alderlake/Makefile.inc1
-rw-r--r--src/soc/intel/alderlake/retimer.c32
2 files changed, 33 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/Makefile.inc b/src/soc/intel/alderlake/Makefile.inc
index 6962ab2695..d2c48b74c8 100644
--- a/src/soc/intel/alderlake/Makefile.inc
+++ b/src/soc/intel/alderlake/Makefile.inc
@@ -39,6 +39,7 @@ ramstage-y += p2sb.c
ramstage-y += pcie_rp.c
ramstage-y += pmc.c
ramstage-y += reset.c
+ramstage-y += retimer.c
ramstage-y += soundwire.c
ramstage-y += systemagent.c
ramstage-y += vr_config.c
diff --git a/src/soc/intel/alderlake/retimer.c b/src/soc/intel/alderlake/retimer.c
new file mode 100644
index 0000000000..09bf112160
--- /dev/null
+++ b/src/soc/intel/alderlake/retimer.c
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <drivers/intel/usb4/retimer/retimer.h>
+#include <intelblocks/tcss.h>
+
+int retimer_get_index_for_typec(uint8_t typec_port)
+{
+ int ec_port = 0;
+
+ const struct device *tcss_port_arr[] = {
+ DEV_PTR(tcss_usb3_port1),
+ DEV_PTR(tcss_usb3_port2),
+ DEV_PTR(tcss_usb3_port3),
+ DEV_PTR(tcss_usb3_port4),
+ };
+
+ for (uint8_t i = 0; i < MAX_TYPE_C_PORTS; i++) {
+ if (i == typec_port) {
+ printk(BIOS_ERR, "USB Type-C %d mapped to EC port %d\n", typec_port,
+ ec_port);
+ return ec_port;
+ }
+
+ if (is_dev_enabled(tcss_port_arr[i]))
+ ec_port++;
+ }
+
+ // Code should not come here if typec_port input is correct
+ return -1;
+}