stm32f767-st-nucleo BSP 添加以太网驱动支持

bsp/stm32/stm32f767-st-nucleo/README.md

@@ -38,7 +38,7 @@ NUCLEO-F767ZI 是st推出的一款基于 ARM Cortex-M7 内核的开发板，最
 | **板载外设**      | **支持情况** | **备注**                              |
 | :-----------------| :----------: | :-------------------------------------|
 | USB 转串口3        |     支持     |                                       |
-| 以太网            |   暂不支持   | 即将支持                              |
+| 以太网            |   支持   | PHY 选项 LAN8720A（兼容 LAN8742A） |
 | **片上外设**      | **支持情况** | **备注**                              |
 | GPIO              |     支持     | PA0, PA1... PK15 ---> PIN: 0, 1...144 |
 | UART              |     支持     | UART3                                 |

bsp/stm32/stm32f767-st-nucleo/board/Kconfig

@@ -12,6 +12,24 @@ menu "Onboard Peripheral Drivers"
         select BSP_USING_UART3
         default y
         
+	config BSP_USING_ETH
+		bool "Enable Ethernet"
+		select RT_USING_LWIP
+		default n
+
+		if BSP_USING_ETH
+			choice
+				prompt "On-board PHY chip"
+				default PHY_USING_LAN8720A
+
+				config PHY_USING_LAN8720A
+					bool "LAN8720A"
+
+				config PHY_USING_DM9161CEP
+					bool "DM9161CEP"
+
+			endchoice
+		endif
  
 endmenu
 

bsp/stm32/stm32f767-st-nucleo/board/SConscript

@@ -7,8 +7,12 @@ cwd = GetCurrentDir()
 src = Glob('board.c')
 src += Glob('CubeMX_Config/Src/stm32f7xx_hal_msp.c')
 
+if GetDepend(['BSP_USING_ETH']):
+    src += Glob('ports/phy_reset.c')
+
 path = [cwd]
 path += [cwd + '/CubeMX_Config/Inc']
+path += [cwd + '/ports']
 
 if rtconfig.CROSS_TOOL == 'gcc':
     src += [cwd + '/../../libraries/STM32F7xx_HAL/CMSIS/Device/ST/STM32F7xx/Source/Templates/gcc/startup_stm32f767xx.s']

bsp/stm32/stm32f767-st-nucleo/board/ports/phy_reset.c

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2006-2019, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-06-27     luhuadong    first version
+ */
+
+#include <board.h>
+
+void phy_reset(void)
+{
+	/*
+	 * The PHY reset pin of NUCLEO-F767ZI is connected to the MCU reset pin,
+	 * so no additional reset is required.
+	 */
+	
+	return ;
+}