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99 lines
2.3 KiB
99 lines
2.3 KiB
5 months ago
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2025-11-10 kurisaw the first version
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*/
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#ifndef __DRV_ENET_H__
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#define __DRV_ENET_H__
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <board.h>
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#if defined(RT_USING_SAL) && defined(RT_USING_NETDEV) && defined(RT_USING_LWIP)
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "gd32h7xx.h"
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#include "synopsys_emac.h"
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#define EMAC_RXBUFNB 5
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#define EMAC_TXBUFNB 5
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#define EMAC_PHY_AUTO 0
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#define EMAC_PHY_10MBIT 1
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#define EMAC_PHY_100MBIT 2
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#define MAX_ADDR_LEN 6
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/* ENET pin configuration structure */
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struct enet_pin_config
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{
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const char *pin_name; /* Pin name in format "PxY" */
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const char *alternate; /* Alternate function in format "AFx" */
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};
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/* ENET configuration structure */
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struct enet_config
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{
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const struct enet_pin_config *pins;
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uint32_t pin_count;
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uint32_t enet_periph;
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rcu_periph_enum enet_clk;
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rcu_periph_enum enet_tx_clk;
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rcu_periph_enum enet_rx_clk;
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uint32_t phy_interface;
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uint32_t speed; /* GPIO speed - common for all pins */
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uint8_t otype; /* Output type - common for all pins */
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uint8_t pupd; /* Pull-up/pull-down - common for all pins */
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};
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struct gd32_emac
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{
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/* inherit from Ethernet device */
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struct eth_device parent;
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__ALIGNED(4)
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rt_uint8_t phy_mode;
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/* interface address info. */
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__ALIGNED(4)
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rt_uint8_t dev_addr[MAX_ADDR_LEN]; /* hw address */
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const struct enet_pin_config *pins;
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uint32_t pin_count;
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struct rt_synopsys_eth *ETHERNET_MAC;
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IRQn_Type ETHER_MAC_IRQ;
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EMAC_DMADESCTypeDef *DMATxDescToSet;
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EMAC_DMADESCTypeDef *DMARxDescToGet;
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#pragma pack(4)
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EMAC_DMADESCTypeDef DMARxDscrTab[EMAC_RXBUFNB];
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#pragma pack(4)
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EMAC_DMADESCTypeDef DMATxDscrTab[EMAC_TXBUFNB];
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#pragma pack(4)
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rt_uint8_t Rx_Buff[EMAC_RXBUFNB][EMAC_MAX_PACKET_SIZE];
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#pragma pack(4)
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rt_uint8_t Tx_Buff[EMAC_TXBUFNB][EMAC_MAX_PACKET_SIZE];
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struct rt_semaphore tx_buf_free;
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};
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/* Function declarations */
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rt_err_t gd32_enet_gpio_init(struct gd32_emac *emac);
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const struct enet_config *gd32_get_enet_config(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* RT_USING_SAL && RT_USING_NETDEV && RT_USING_LWIP */
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#endif /* __DRV_ENET_H__ */
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