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| 1 | +/* mbed Microcontroller Library |
| 2 | + * Copyright (c) 2018, STMicroelectronics |
| 3 | + * All rights reserved. |
| 4 | + * |
| 5 | + * Redistribution and use in source and binary forms, with or without |
| 6 | + * modification, are permitted provided that the following conditions are met: |
| 7 | + * |
| 8 | + * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | + * this list of conditions and the following disclaimer. |
| 10 | + * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | + * this list of conditions and the following disclaimer in the documentation |
| 12 | + * and/or other materials provided with the distribution. |
| 13 | + * 3. Neither the name of STMicroelectronics nor the names of its contributors |
| 14 | + * may be used to endorse or promote products derived from this software |
| 15 | + * without specific prior written permission. |
| 16 | + * |
| 17 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 18 | + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 19 | + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 20 | + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| 21 | + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 23 | + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| 24 | + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 25 | + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | + */ |
| 28 | + |
| 29 | +#define ETHERNET 1 |
| 30 | + |
| 31 | +#ifndef USE_USER_DEFINED_HAL_ETH_MSPINIT |
| 32 | + |
| 33 | +#include "stm32h7xx_hal.h" |
| 34 | + |
| 35 | +#define ETH_TX_EN_Pin GPIO_PIN_11 |
| 36 | +#define ETH_TX_EN_GPIO_Port GPIOG |
| 37 | +#define ETH_TXD1_Pin GPIO_PIN_12 |
| 38 | +#define ETH_TXD1_GPIO_Port GPIOG |
| 39 | +#define ETH_TXD0_Pin GPIO_PIN_13 |
| 40 | +#define ETH_TXD0_GPIO_Port GPIOG |
| 41 | +#define ETH_MDC_SAI4_D1_Pin GPIO_PIN_1 |
| 42 | +#define ETH_MDC_SAI4_D1_GPIO_Port GPIOC |
| 43 | +#define ETH_MDIO_Pin GPIO_PIN_2 |
| 44 | +#define ETH_MDIO_GPIO_Port GPIOA |
| 45 | +#define ETH_REF_CLK_Pin GPIO_PIN_1 |
| 46 | +#define ETH_REF_CLK_GPIO_Port GPIOA |
| 47 | +#define ETH_CRS_DV_Pin GPIO_PIN_7 |
| 48 | +#define ETH_CRS_DV_GPIO_Port GPIOA |
| 49 | +#define ETH_RXD0_Pin GPIO_PIN_4 |
| 50 | +#define ETH_RXD0_GPIO_Port GPIOC |
| 51 | +#define ETH_RXD1_Pin GPIO_PIN_5 |
| 52 | +#define ETH_RXD1_GPIO_Port GPIOC |
| 53 | + |
| 54 | +/** |
| 55 | + * Override HAL Eth Init function |
| 56 | + */ |
| 57 | +void HAL_ETH_MspInit(ETH_HandleTypeDef *heth) |
| 58 | +{ |
| 59 | + GPIO_InitTypeDef GPIO_InitStruct; |
| 60 | + if(heth->Instance == ETH) |
| 61 | + { |
| 62 | + #if !(defined(DUAL_CORE) && defined(CORE_CM4)) |
| 63 | + /* Disable DCache for STM32H7 family */ |
| 64 | + SCB_DisableDCache(); |
| 65 | + #endif |
| 66 | + |
| 67 | + /* GPIO Ports Clock Enable */ |
| 68 | + __HAL_RCC_GPIOA_CLK_ENABLE(); |
| 69 | + // __HAL_RCC_GPIOB_CLK_ENABLE(); |
| 70 | + __HAL_RCC_GPIOC_CLK_ENABLE(); |
| 71 | + __HAL_RCC_GPIOG_CLK_ENABLE(); |
| 72 | + // __HAL_RCC_GPIOH_CLK_ENABLE(); |
| 73 | + |
| 74 | + /* Enable Peripheral clock */ |
| 75 | + __HAL_RCC_ETH1MAC_CLK_ENABLE(); |
| 76 | + __HAL_RCC_ETH1TX_CLK_ENABLE(); |
| 77 | + __HAL_RCC_ETH1RX_CLK_ENABLE(); |
| 78 | + |
| 79 | + /* Set pinstrap for 100mbit */ |
| 80 | + // TODO |
| 81 | + |
| 82 | + /* Reset ETH Phy */ |
| 83 | + __HAL_RCC_GPIOJ_CLK_ENABLE(); |
| 84 | + GPIO_InitTypeDef gpio_eth_rst_init_structure; |
| 85 | + gpio_eth_rst_init_structure.Pin = GPIO_PIN_15; |
| 86 | + gpio_eth_rst_init_structure.Mode = GPIO_MODE_OUTPUT_PP; |
| 87 | + gpio_eth_rst_init_structure.Pull = GPIO_NOPULL; |
| 88 | + gpio_eth_rst_init_structure.Speed = GPIO_SPEED_FREQ_LOW; |
| 89 | + HAL_GPIO_Init(GPIOJ, &gpio_eth_rst_init_structure); |
| 90 | + |
| 91 | + gpio_eth_rst_init_structure.Pin = ETH_RXD0_Pin | ETH_RXD1_Pin; |
| 92 | + HAL_GPIO_Init(GPIOC, &gpio_eth_rst_init_structure); |
| 93 | + HAL_GPIO_WritePin(GPIOC, ETH_RXD0_Pin, 1); |
| 94 | + HAL_GPIO_WritePin(GPIOC, ETH_RXD1_Pin, 1); |
| 95 | + gpio_eth_rst_init_structure.Pin = ETH_CRS_DV_Pin; |
| 96 | + HAL_GPIO_Init(GPIOA, &gpio_eth_rst_init_structure); |
| 97 | + HAL_GPIO_WritePin(GPIOA, ETH_CRS_DV_Pin, 1); |
| 98 | + |
| 99 | + HAL_Delay(25); |
| 100 | + HAL_GPIO_WritePin(GPIOJ, GPIO_PIN_15, 0); |
| 101 | + HAL_Delay(100); |
| 102 | + HAL_GPIO_WritePin(GPIOJ, GPIO_PIN_15, 1); |
| 103 | + |
| 104 | + /**ETH GPIO Configuration |
| 105 | + PG11 ------> ETH_TX_EN |
| 106 | + PG12 ------> ETH_TXD1 |
| 107 | + PG13 ------> ETH_TXD0 |
| 108 | + PC1 ------> ETH_MDC |
| 109 | + PA2 ------> ETH_MDIO |
| 110 | + PA1 ------> ETH_REF_CLK |
| 111 | + PA7 ------> ETH_CRS_DV |
| 112 | + PC4 ------> ETH_RXD0 |
| 113 | + PC5 ------> ETH_RXD1 |
| 114 | + */ |
| 115 | + GPIO_InitStruct.Pin = ETH_TX_EN_Pin|ETH_TXD1_Pin|ETH_TXD0_Pin; |
| 116 | + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; |
| 117 | + GPIO_InitStruct.Pull = GPIO_NOPULL; |
| 118 | + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; |
| 119 | + GPIO_InitStruct.Alternate = GPIO_AF11_ETH; |
| 120 | + HAL_GPIO_Init(GPIOG, &GPIO_InitStruct); |
| 121 | + |
| 122 | + GPIO_InitStruct.Pin = ETH_MDC_SAI4_D1_Pin|ETH_RXD0_Pin|ETH_RXD1_Pin; |
| 123 | + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; |
| 124 | + GPIO_InitStruct.Pull = GPIO_NOPULL; |
| 125 | + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; |
| 126 | + GPIO_InitStruct.Alternate = GPIO_AF11_ETH; |
| 127 | + HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); |
| 128 | + |
| 129 | + GPIO_InitStruct.Pin = ETH_MDIO_Pin|ETH_REF_CLK_Pin|ETH_CRS_DV_Pin; |
| 130 | + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; |
| 131 | + GPIO_InitStruct.Pull = GPIO_NOPULL; |
| 132 | + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; |
| 133 | + GPIO_InitStruct.Alternate = GPIO_AF11_ETH; |
| 134 | + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); |
| 135 | + } |
| 136 | +} |
| 137 | + |
| 138 | +/** |
| 139 | + * Override HAL Eth DeInit function |
| 140 | + */ |
| 141 | +void HAL_ETH_MspDeInit(ETH_HandleTypeDef *heth) |
| 142 | +{ |
| 143 | + if(heth->Instance == ETH) |
| 144 | + { |
| 145 | + /* Peripheral clock disable */ |
| 146 | + __HAL_RCC_ETH1MAC_CLK_DISABLE(); |
| 147 | + __HAL_RCC_ETH1TX_CLK_DISABLE(); |
| 148 | + __HAL_RCC_ETH1RX_CLK_DISABLE(); |
| 149 | + |
| 150 | + /**ETH GPIO Configuration |
| 151 | + PG11 ------> ETH_TX_EN |
| 152 | + PG12 ------> ETH_TXD1 |
| 153 | + PG13 ------> ETH_TXD0 |
| 154 | + PC1 ------> ETH_MDC |
| 155 | + PA2 ------> ETH_MDIO |
| 156 | + PA1 ------> ETH_REF_CLK |
| 157 | + PA7 ------> ETH_CRS_DV |
| 158 | + PC4 ------> ETH_RXD0 |
| 159 | + PC5 ------> ETH_RXD1 |
| 160 | + */ |
| 161 | + HAL_GPIO_DeInit(GPIOG, ETH_TX_EN_Pin|ETH_TXD1_Pin|ETH_TXD0_Pin); |
| 162 | + |
| 163 | + HAL_GPIO_DeInit(GPIOC, ETH_MDC_SAI4_D1_Pin|ETH_RXD0_Pin|ETH_RXD1_Pin); |
| 164 | + |
| 165 | + HAL_GPIO_DeInit(GPIOA, ETH_MDIO_Pin|ETH_REF_CLK_Pin|ETH_CRS_DV_Pin); |
| 166 | + |
| 167 | + HAL_GPIO_WritePin(GPIOJ, GPIO_PIN_15, 0); |
| 168 | + } |
| 169 | +} |
| 170 | + |
| 171 | +#endif /* USE_USER_DEFINED_HAL_ETH_MSPINIT */ |
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