diff --git a/ports/samd/mbedtls/mbedtls_config.h b/ports/samd/mbedtls/mbedtls_config_port.h
similarity index 96%
rename from ports/samd/mbedtls/mbedtls_config.h
rename to ports/samd/mbedtls/mbedtls_config_port.h
index 7de7821388359..4dee6db9b04bd 100644
--- a/ports/samd/mbedtls/mbedtls_config.h
+++ b/ports/samd/mbedtls/mbedtls_config_port.h
@@ -30,6 +30,8 @@
 #include <time.h>
 extern time_t samd_rtctime_seconds(time_t *timer);
 #define MBEDTLS_PLATFORM_TIME_MACRO samd_rtctime_seconds
+#define MBEDTLS_PLATFORM_MS_TIME_ALT mbedtls_ms_time
+
 // Set MicroPython-specific options.
 #define MICROPY_MBEDTLS_CONFIG_BARE_METAL (1)
 #define MBEDTLS_ECP_NIST_OPTIM
diff --git a/ports/samd/mbedtls/mbedtls_port.c b/ports/samd/mbedtls/mbedtls_port.c
index 8376df9641531..923b356e3b227 100644
--- a/ports/samd/mbedtls/mbedtls_port.c
+++ b/ports/samd/mbedtls/mbedtls_port.c
@@ -26,13 +26,14 @@
 
 #ifdef MICROPY_SSL_MBEDTLS
 
-#include "mbedtls_config.h"
+#include "mbedtls_config_port.h"
 #include <stdint.h>
 uint32_t trng_random_u32(void);
 #if defined(MBEDTLS_HAVE_TIME) || defined(MBEDTLS_HAVE_TIME_DATE)
 #include <stdbool.h>
 #include "py/runtime.h"
 #include "shared/timeutils/timeutils.h"
+#include "mbedtls/platform_time.h"
 extern void rtc_gettime(timeutils_struct_time_t *tm);
 #endif
 
@@ -59,6 +60,13 @@ time_t samd_rtctime_seconds(time_t *timer) {
     rtc_gettime(&tm);
     return timeutils_seconds_since_epoch(tm.tm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
 }
+
+mbedtls_ms_time_t mbedtls_ms_time(void) {
+    time_t *tv = NULL;
+    mbedtls_ms_time_t current_ms;
+    current_ms = samd_rtctime_seconds(tv) * 1000;
+    return current_ms;
+}
 #endif
 
 #if defined(MBEDTLS_HAVE_TIME_DATE)
diff --git a/ports/samd/mcu/samd51/mpconfigmcu.mk b/ports/samd/mcu/samd51/mpconfigmcu.mk
index 5446fdd40f97c..4273579290d8c 100644
--- a/ports/samd/mcu/samd51/mpconfigmcu.mk
+++ b/ports/samd/mcu/samd51/mpconfigmcu.mk
@@ -19,10 +19,15 @@ ifneq ($(BOARD_VARIANT),)
     MICROPY_PY_NETWORK = 1
     CFLAGS += -DMICROPY_PY_NETWORK=1
     MICROPY_PY_NETWORK_ESP_HOSTED = 1
-
     MICROPY_PY_LWIP = 1
-    MICROPY_PY_SSL = 1
-    MICROPY_SSL_MBEDTLS = 1
+
+    ifeq ($(MICROPY_HW_CODESIZE), 1008K)
+        MICROPY_PY_SSL = 1
+        MICROPY_SSL_MBEDTLS = 1
+    else ifeq ($(BOARD_VARIANT), WLAN)
+        MICROPY_PY_SSL = 1
+        MICROPY_SSL_MBEDTLS = 1
+    endif
 
     ifeq ($(BOARD_VARIANT), WLAN_BLE)
         MICROPY_PY_BLUETOOTH = 1