From 1de688c35239745774491f7f1c06ceb293a61dc6 Mon Sep 17 00:00:00 2001
From: Alexandre Abadie <alexandre.abadie@inria.fr>
Date: Sun, 13 Mar 2022 18:17:33 +0100
Subject: [PATCH] boards/nucleo-f429zi: add support for ethernet

---
 boards/nucleo-f429zi/Kconfig               |  1 +
 boards/nucleo-f429zi/Makefile.dep          |  4 +++
 boards/nucleo-f429zi/Makefile.features     |  1 +
 boards/nucleo-f429zi/include/periph_conf.h | 29 ++++++++++++++++++++++
 tests/Makefile.boards.netif                |  1 +
 5 files changed, 36 insertions(+)

diff --git a/boards/nucleo-f429zi/Kconfig b/boards/nucleo-f429zi/Kconfig
index 67369229d7..6180a1b3ed 100644
--- a/boards/nucleo-f429zi/Kconfig
+++ b/boards/nucleo-f429zi/Kconfig
@@ -17,6 +17,7 @@ config BOARD_NUCLEO_F429ZI
     # Put defined MCU peripherals here (in alphabetical order)
     select HAS_PERIPH_ADC
     select HAS_PERIPH_DMA
+    select HAS_PERIPH_ETH
     select HAS_PERIPH_I2C
     select HAS_PERIPH_PWM
     select HAS_PERIPH_RTC
diff --git a/boards/nucleo-f429zi/Makefile.dep b/boards/nucleo-f429zi/Makefile.dep
index 7294858272..3e965d26ad 100644
--- a/boards/nucleo-f429zi/Makefile.dep
+++ b/boards/nucleo-f429zi/Makefile.dep
@@ -1 +1,5 @@
+ifneq (,$(filter netdev_default,$(USEMODULE)))
+  USEMODULE += stm32_eth
+endif
+
 include $(RIOTBOARD)/common/nucleo/Makefile.dep
diff --git a/boards/nucleo-f429zi/Makefile.features b/boards/nucleo-f429zi/Makefile.features
index a718321d99..9e973c9028 100644
--- a/boards/nucleo-f429zi/Makefile.features
+++ b/boards/nucleo-f429zi/Makefile.features
@@ -4,6 +4,7 @@ CPU_MODEL = stm32f429zi
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_dma
+FEATURES_PROVIDED += periph_eth
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
diff --git a/boards/nucleo-f429zi/include/periph_conf.h b/boards/nucleo-f429zi/include/periph_conf.h
index d3c5c94e3c..1cf3b9501c 100644
--- a/boards/nucleo-f429zi/include/periph_conf.h
+++ b/boards/nucleo-f429zi/include/periph_conf.h
@@ -34,6 +34,7 @@
 #include "cfg_i2c1_pb8_pb9.h"
 #include "cfg_timer_tim5.h"
 #include "cfg_usb_otg_fs.h"
+#include "mii.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -46,10 +47,12 @@ extern "C" {
 static const dma_conf_t dma_config[] = {
     { .stream = 11 },   /* DMA2 Stream 3 - SPI1_TX */
     { .stream = 10 },   /* DMA2 Stream 2 - SPI1_RX */
+    { .stream = 8 },    /* DMA2 Stream 0 - ETH_TX  */
 };
 
 #define DMA_0_ISR           isr_dma2_stream3
 #define DMA_1_ISR           isr_dma2_stream2
+#define DMA_2_ISR           isr_dma2_stream0
 
 #define DMA_NUMOF           ARRAY_SIZE(dma_config)
 /** @} */
@@ -193,6 +196,32 @@ static const adc_conf_t adc_config[] = {
 #define ADC_NUMOF           ARRAY_SIZE(adc_config)
 /** @} */
 
+/**
+ * @name ETH configuration
+ * @{
+ */
+static const eth_conf_t eth_config = {
+    .mode = RMII,
+    .speed = MII_BMCR_SPEED_100 | MII_BMCR_FULL_DPLX,
+    .dma = 2,
+    .dma_chan = 8,
+    .phy_addr = 0x00,
+    .pins = {
+        GPIO_PIN(PORT_G, 13),
+        GPIO_PIN(PORT_B, 13),
+        GPIO_PIN(PORT_G, 11),
+        GPIO_PIN(PORT_C, 4),
+        GPIO_PIN(PORT_C, 5),
+        GPIO_PIN(PORT_A, 7),
+        GPIO_PIN(PORT_C, 1),
+        GPIO_PIN(PORT_A, 2),
+        GPIO_PIN(PORT_A, 1),
+    }
+};
+
+#define ETH_DMA_ISR        isr_dma2_stream0
+/** @} */
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/tests/Makefile.boards.netif b/tests/Makefile.boards.netif
index 6dfcb2ea97..aaf746ec44 100644
--- a/tests/Makefile.boards.netif
+++ b/tests/Makefile.boards.netif
@@ -32,6 +32,7 @@ BOARD_PROVIDES_NETIF := \
     nrf52dk \
     nrf6310 \
     nucleo-f207zg \
+    nucleo-f429zi \
     nucleo-f767zi \
     openlabs-kw41z-mini \
     openlabs-kw41z-mini-256kib \