diff --git a/mongoose.h b/mongoose.h
index 1c7c25aa..0b647f20 100644
--- a/mongoose.h
+++ b/mongoose.h
@@ -3186,6 +3186,35 @@ struct mg_tcpip_driver_ra_data {
   uint8_t phy_addr;  // PHY address
 };
 
+#ifndef MG_DRIVER_CLK_FREQ
+#define MG_DRIVER_CLK_FREQ 100000000UL
+#endif
+
+#ifndef MG_DRIVER_IRQ_NO
+#define MG_DRIVER_IRQ_NO 0
+#endif
+
+#ifndef MG_TCPIP_PHY_ADDR
+#define MG_TCPIP_PHY_ADDR 0
+#endif
+
+#define MG_TCPIP_DRIVER_INIT(mgr)                             \
+  do {                                                        \
+    static struct mg_tcpip_driver_ra_data driver_data_;       \
+    static struct mg_tcpip_if mif_;                           \
+    driver_data_.clock = MG_DRIVER_CLK_FREQ;                  \
+    driver_data_.irqno = MG_DRIVER_IRQ_NO;                    \
+    driver_data_.phy_addr = MG_TCPIP_PHY_ADDR;                \
+    mif_.ip = MG_TCPIP_IP;                                    \
+    mif_.mask = MG_TCPIP_MASK;                                \
+    mif_.gw = MG_TCPIP_GW;                                    \
+    mif_.driver = &mg_tcpip_driver_ra;                        \
+    mif_.driver_data = &driver_data_;                         \
+    MG_SET_MAC_ADDRESS(mif_.mac);                             \
+    mg_tcpip_init(mgr, &mif_);                                \
+    MG_INFO(("Driver: ra, MAC: %M", mg_print_mac, mif_.mac)); \
+  } while (0)
+
 #endif
 
 
diff --git a/src/drivers/ra.h b/src/drivers/ra.h
index 79059482..762bfaae 100644
--- a/src/drivers/ra.h
+++ b/src/drivers/ra.h
@@ -9,4 +9,33 @@ struct mg_tcpip_driver_ra_data {
   uint8_t phy_addr;  // PHY address
 };
 
+#ifndef MG_DRIVER_CLK_FREQ
+#define MG_DRIVER_CLK_FREQ 100000000UL
+#endif
+
+#ifndef MG_DRIVER_IRQ_NO
+#define MG_DRIVER_IRQ_NO 0
+#endif
+
+#ifndef MG_TCPIP_PHY_ADDR
+#define MG_TCPIP_PHY_ADDR 0
+#endif
+
+#define MG_TCPIP_DRIVER_INIT(mgr)                             \
+  do {                                                        \
+    static struct mg_tcpip_driver_ra_data driver_data_;       \
+    static struct mg_tcpip_if mif_;                           \
+    driver_data_.clock = MG_DRIVER_CLK_FREQ;                  \
+    driver_data_.irqno = MG_DRIVER_IRQ_NO;                    \
+    driver_data_.phy_addr = MG_TCPIP_PHY_ADDR;                \
+    mif_.ip = MG_TCPIP_IP;                                    \
+    mif_.mask = MG_TCPIP_MASK;                                \
+    mif_.gw = MG_TCPIP_GW;                                    \
+    mif_.driver = &mg_tcpip_driver_ra;                        \
+    mif_.driver_data = &driver_data_;                         \
+    MG_SET_MAC_ADDRESS(mif_.mac);                             \
+    mg_tcpip_init(mgr, &mif_);                                \
+    MG_INFO(("Driver: ra, MAC: %M", mg_print_mac, mif_.mac)); \
+  } while (0)
+
 #endif