[bsp][gd32] add eth device for gd32f527;

Author: Maihuanyi

bsp/gd32/arm/gd32527I-eval/board/Kconfig

@@ -377,7 +377,7 @@ menu "On-chip Peripheral Drivers"
         bool "Enable SDRAM"
         select RT_USING_SDRAM
         default n
-    
+
     menuconfig BSP_USING_CAN
         bool "Enable CAN BUS"
         default n
@@ -421,6 +421,11 @@ menu "On-chip Peripheral Drivers"
 
         endif
 
+    config BSP_USING_ETH
+        bool "Enable Ethernet"
+        default n
+        select RT_USING_LWIP
+
     source "$(BSP_DIR)/../libraries/gd32_drivers/Kconfig"
 
 endmenu

bsp/gd32/arm/gd32527I-eval/board/gd32f5xx_libopt.h

@@ -20,7 +20,7 @@
 #include "gd32f5xx_dbg.h"
 #include "gd32f5xx_dci.h"
 #include "gd32f5xx_dma.h"
-//#include "gd32f5xx_enet.h"
+#include "gd32f5xx_enet.h"
 #include "gd32f5xx_exmc.h"
 #include "gd32f5xx_exti.h"
 #include "gd32f5xx_fmc.h"

bsp/gd32/arm/libraries/gd32_drivers/SConscript

@@ -64,6 +64,10 @@ if GetDepend('RT_USING_CAN'):
 if GetDepend('BSP_USING_SDRAM'):
     src += ['drv_sdram.c']
 
+# add eth drivers.
+if GetDepend(['BSP_USING_ETH', 'RT_USING_LWIP']):
+    src += ['drv_eth.c']
+
 path = [cwd]
 
 group = DefineGroup('Drivers', src, depend = [''], CPPPATH = path)