diff --git a/ports/esp32/esp32_common.cmake b/ports/esp32/esp32_common.cmake
index 059989c..0995236 100644
--- a/ports/esp32/esp32_common.cmake
+++ b/ports/esp32/esp32_common.cmake
@@ -14,6 +14,18 @@
     get_filename_component(MICROPY_PORT_DIR ${MICROPY_DIR}/ports/esp32 ABSOLUTE)
 endif()
 
+# RISC-V specific inclusions
+if(CONFIG_IDF_TARGET_ARCH_RISCV)
+    list(APPEND MICROPY_SOURCE_LIB ${MICROPY_DIR}/shared/runtime/gchelper_generic.c)
+    list(APPEND IDF_COMPONENTS riscv)
+endif()
+
+if(NOT DEFINED MICROPY_PY_TINYUSB)
+    if(CONFIG_IDF_TARGET_ESP32S2 OR CONFIG_IDF_TARGET_ESP32S3)
+        set(MICROPY_PY_TINYUSB ON)
+    endif()
+endif()
+
 # Include core source components.
 include(${MICROPY_DIR}/py/py.cmake)
 
@@ -182,7 +194,7 @@
 if (MICROPY_USER_LDFRAGMENTS)
     set(MICROPY_LDFRAGMENTS ${MICROPY_USER_LDFRAGMENTS})
 else()
-    set(MICROPY_LDFRAGMENTS linker.lf)
+    set(MICROPY_LDFRAGMENTS linker_esp32.lf)
 endif()
 
 # Register the main IDF component.