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rt-thread-official/bsp/imxrt1052-evk/drivers/drv_eth.c

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/*
* File : application.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2017-06-08 tanek first implementation
*/
#include <rtthread.h>
#include "board.h"
#include <rtdevice.h>
#ifdef RT_USING_FINSH
#include <finsh.h>
#endif
#include "fsl_enet.h"
#include "fsl_gpio.h"
#include "fsl_iomuxc.h"
#include "fsl_phy.h"
#ifdef RT_USING_LWIP
#include <netif/ethernetif.h>
#include "lwipopts.h"
#define ENET_RXBD_NUM (4)
#define ENET_TXBD_NUM (4)
#define ENET_RXBUFF_SIZE (ENET_FRAME_MAX_FRAMELEN)
#define ENET_TXBUFF_SIZE (ENET_FRAME_MAX_FRAMELEN)
#define PHY_ADDRESS 0x02u
/* debug option */
//#define DEBUG
//#define ETH_RX_DUMP
//#define ETH_TX_DUMP
#ifdef DEBUG
#define ETH_PRINTF rt_kprintf
#else
#define ETH_PRINTF(...)
#endif
#define MAX_ADDR_LEN 6
struct rt_imxrt_eth
{
/* inherit from ethernet device */
struct eth_device parent;
enet_handle_t enet_handle;
ENET_Type *enet_base;
enet_data_error_stats_t error_statistic;
rt_uint8_t dev_addr[MAX_ADDR_LEN]; /* hw address */
rt_bool_t tx_is_waiting;
struct rt_semaphore tx_wait;
};
ALIGN(ENET_BUFF_ALIGNMENT) enet_tx_bd_struct_t g_txBuffDescrip[ENET_TXBD_NUM] SECTION("NonCacheable");
ALIGN(ENET_BUFF_ALIGNMENT) rt_uint8_t g_txDataBuff[ENET_TXBD_NUM][RT_ALIGN(ENET_TXBUFF_SIZE, ENET_BUFF_ALIGNMENT)];
ALIGN(ENET_BUFF_ALIGNMENT) enet_rx_bd_struct_t g_rxBuffDescrip[ENET_RXBD_NUM] SECTION("NonCacheable");
ALIGN(ENET_BUFF_ALIGNMENT) rt_uint8_t g_rxDataBuff[ENET_RXBD_NUM][RT_ALIGN(ENET_RXBUFF_SIZE, ENET_BUFF_ALIGNMENT)];
static struct rt_imxrt_eth imxrt_eth_device;
void _enet_rx_callback(struct rt_imxrt_eth * eth)
{
rt_err_t result;
ENET_DisableInterrupts(eth->enet_base, kENET_RxFrameInterrupt);
result = eth_device_ready(&(eth->parent));
if( result != RT_EOK )
rt_kprintf("RX err =%d\n", result );
}
void _enet_tx_callback(struct rt_imxrt_eth * eth)
{
if (eth->tx_is_waiting == RT_TRUE)
{
eth->tx_is_waiting = RT_FALSE;
rt_sem_release(&eth->tx_wait);
}
}
void _enet_callback(ENET_Type *base, enet_handle_t *handle, enet_event_t event, void *userData)
{
switch(event)
{
case kENET_RxEvent:
_enet_rx_callback((struct rt_imxrt_eth *)userData);
break;
case kENET_TxEvent:
_enet_tx_callback((struct rt_imxrt_eth *)userData);
break;
case kENET_ErrEvent:
//rt_kprintf("kENET_ErrEvent\n");
break;
case kENET_WakeUpEvent:
//rt_kprintf("kENET_WakeUpEvent\n");
break;
case kENET_TimeStampEvent:
//rt_kprintf("kENET_TimeStampEvent\n");
break;
case kENET_TimeStampAvailEvent:
//rt_kprintf("kENET_TimeStampAvailEvent \n");
break;
default:
//rt_kprintf("unknow error\n");
break;
}
}
static void _enet_io_init(void)
{
CLOCK_EnableClock(kCLOCK_Iomuxc); /* iomuxc clock (iomuxc_clk_enable): 0x03u */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_09_GPIO1_IO09, /* GPIO_AD_B0_09 is configured as GPIO1_IO09 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_10_GPIO1_IO10, /* GPIO_AD_B0_10 is configured as GPIO1_IO10 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_12_LPUART1_TX, /* GPIO_AD_B0_12 is configured as LPUART1_TX */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_13_LPUART1_RX, /* GPIO_AD_B0_13 is configured as LPUART1_RX */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_04_ENET_RX_DATA00, /* GPIO_B1_04 is configured as ENET_RX_DATA00 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_05_ENET_RX_DATA01, /* GPIO_B1_05 is configured as ENET_RX_DATA01 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_06_ENET_RX_EN, /* GPIO_B1_06 is configured as ENET_RX_EN */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_07_ENET_TX_DATA00, /* GPIO_B1_07 is configured as ENET_TX_DATA00 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_08_ENET_TX_DATA01, /* GPIO_B1_08 is configured as ENET_TX_DATA01 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_09_ENET_TX_EN, /* GPIO_B1_09 is configured as ENET_TX_EN */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_10_ENET_REF_CLK, /* GPIO_B1_10 is configured as ENET_REF_CLK */
1U); /* Software Input On Field: Force input path of pad GPIO_B1_10 */
IOMUXC_SetPinMux(
IOMUXC_GPIO_B1_11_ENET_RX_ER, /* GPIO_B1_11 is configured as ENET_RX_ER */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_EMC_40_ENET_MDC, /* GPIO_EMC_40 is configured as ENET_MDC */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_EMC_41_ENET_MDIO, /* GPIO_EMC_41 is configured as ENET_MDIO */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B0_09_GPIO1_IO09, /* GPIO_AD_B0_09 PAD functional properties : */
0xB0A9u); /* Slew Rate Field: Fast Slew Rate
Drive Strength Field: R0/5
Speed Field: medium(100MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Pull
Pull Up / Down Config. Field: 100K Ohm Pull Up
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B0_10_GPIO1_IO10, /* GPIO_AD_B0_10 PAD functional properties : */
0xB0A9u); /* Slew Rate Field: Fast Slew Rate
Drive Strength Field: R0/5
Speed Field: medium(100MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Pull
Pull Up / Down Config. Field: 100K Ohm Pull Up
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B0_12_LPUART1_TX, /* GPIO_AD_B0_12 PAD functional properties : */
0x10B0u); /* Slew Rate Field: Slow Slew Rate
Drive Strength Field: R0/6
Speed Field: medium(100MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Keeper
Pull Up / Down Config. Field: 100K Ohm Pull Down
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B0_13_LPUART1_RX, /* GPIO_AD_B0_13 PAD functional properties : */
0x10B0u); /* Slew Rate Field: Slow Slew Rate
Drive Strength Field: R0/6
Speed Field: medium(100MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Keeper
Pull Up / Down Config. Field: 100K Ohm Pull Down
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_B1_04_ENET_RX_DATA00, /* GPIO_B1_04 PAD functional properties : */
0xB0E9u); /* Slew Rate Field: Fast Slew Rate
Drive Strength Field: R0/5
Speed Field: max(200MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Pull
Pull Up / Down Config. Field: 100K Ohm Pull Up
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_B1_05_ENET_RX_DATA01, /* GPIO_B1_05 PAD functional properties : */
0xB0E9u); /* Slew Rate Field: Fast Slew Rate
Drive Strength Field: R0/5
Speed Field: max(200MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Pull
Pull Up / Down Config. Field: 100K Ohm Pull Up
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_B1_06_ENET_RX_EN, /* GPIO_B1_06 PAD functional properties : */
0xB0E9u); /* Slew Rate Field: Fast Slew Rate
Drive Strength Field: R0/5
Speed Field: max(200MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Pull
Pull Up / Down Config. Field: 100K Ohm Pull Up
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_B1_07_ENET_TX_DATA00, /* GPIO_B1_07 PAD functional properties : */
0xB0E9u); /* Slew Rate Field: Fast Slew Rate
Drive Strength Field: R0/5
Speed Field: max(200MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Pull
Pull Up / Down Config. Field: 100K Ohm Pull Up
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_B1_08_ENET_TX_DATA01, /* GPIO_B1_08 PAD functional properties : */
0xB0E9u); /* Slew Rate Field: Fast Slew Rate
Drive Strength Field: R0/5
Speed Field: max(200MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Pull
Pull Up / Down Config. Field: 100K Ohm Pull Up
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_B1_09_ENET_TX_EN, /* GPIO_B1_09 PAD functional properties : */
0xB0E9u); /* Slew Rate Field: Fast Slew Rate
Drive Strength Field: R0/5
Speed Field: max(200MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Pull
Pull Up / Down Config. Field: 100K Ohm Pull Up
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_B1_10_ENET_REF_CLK, /* GPIO_B1_10 PAD functional properties : */
0x31u); /* Slew Rate Field: Fast Slew Rate
Drive Strength Field: R0/6
Speed Field: low(50MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Disabled
Pull / Keep Select Field: Keeper
Pull Up / Down Config. Field: 100K Ohm Pull Down
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_B1_11_ENET_RX_ER, /* GPIO_B1_11 PAD functional properties : */
0xB0E9u); /* Slew Rate Field: Fast Slew Rate
Drive Strength Field: R0/5
Speed Field: max(200MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Pull
Pull Up / Down Config. Field: 100K Ohm Pull Up
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_EMC_40_ENET_MDC, /* GPIO_EMC_40 PAD functional properties : */
0xB0E9u); /* Slew Rate Field: Fast Slew Rate
Drive Strength Field: R0/5
Speed Field: max(200MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Pull
Pull Up / Down Config. Field: 100K Ohm Pull Up
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_EMC_41_ENET_MDIO, /* GPIO_EMC_41 PAD functional properties : */
0xB829u); /* Slew Rate Field: Fast Slew Rate
Drive Strength Field: R0/5
Speed Field: low(50MHz)
Open Drain Enable Field: Open Drain Enabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Pull
Pull Up / Down Config. Field: 100K Ohm Pull Up
Hyst. Enable Field: Hysteresis Disabled */
}
static void _enet_clk_init(void)
{
const clock_enet_pll_config_t config = {true, false, false, 1, 1};
CLOCK_InitEnetPll(&config);
IOMUXC_EnableMode(IOMUXC_GPR, kIOMUXC_GPR_ENET1TxClkOutputDir, true);
}
static void _delay(void)
{
volatile int i = 1000000;
while (i--)
i = i;
}
static void _enet_phy_reset_by_gpio(void)
{
gpio_pin_config_t gpio_config = {kGPIO_DigitalOutput, 0, kGPIO_NoIntmode};
GPIO_PinInit(GPIO1, 9, &gpio_config);
GPIO_PinInit(GPIO1, 10, &gpio_config);
/* pull up the ENET_INT before RESET. */
GPIO_WritePinOutput(GPIO1, 10, 1);
GPIO_WritePinOutput(GPIO1, 9, 0);
_delay();
GPIO_WritePinOutput(GPIO1, 9, 1);
}
static void _enet_config(void)
{
enet_config_t config;
uint32_t sysClock;
status_t status;
phy_speed_t speed;
phy_duplex_t duplex;
bool link = false;
/* prepare the buffer configuration. */
enet_buffer_config_t buffConfig = {
ENET_RXBD_NUM,
ENET_TXBD_NUM,
SDK_SIZEALIGN(ENET_RXBUFF_SIZE, ENET_BUFF_ALIGNMENT),
SDK_SIZEALIGN(ENET_TXBUFF_SIZE, ENET_BUFF_ALIGNMENT),
&g_rxBuffDescrip[0],
&g_txBuffDescrip[0],
&g_rxDataBuff[0][0],
&g_txDataBuff[0][0],
};
/* Get default configuration. */
/*
* config.miiMode = kENET_RmiiMode;
* config.miiSpeed = kENET_MiiSpeed100M;
* config.miiDuplex = kENET_MiiFullDuplex;
* config.rxMaxFrameLen = ENET_FRAME_MAX_FRAMELEN;
*/
ENET_GetDefaultConfig(&config);
config.interrupt = kENET_TxFrameInterrupt | kENET_RxFrameInterrupt;
//config.interrupt = 0xFFFFFFFF;
/* Set SMI to get PHY link status. */
sysClock = CLOCK_GetFreq(kCLOCK_AhbClk);
status = PHY_Init(imxrt_eth_device.enet_base, PHY_ADDRESS, sysClock);
while (status != kStatus_Success)
{
ETH_PRINTF("\r\nPHY Auto-negotiation failed. Please check the cable connection and link partner setting.\r\n");
status = PHY_Init(imxrt_eth_device.enet_base, PHY_ADDRESS, sysClock);
}
PHY_GetLinkStatus(imxrt_eth_device.enet_base, PHY_ADDRESS, &link);
if (link)
{
/* Get the actual PHY link speed. */
PHY_GetLinkSpeedDuplex(imxrt_eth_device.enet_base, PHY_ADDRESS, &speed, &duplex);
/* Change the MII speed and duplex for actual link status. */
config.miiSpeed = (enet_mii_speed_t)speed;
config.miiDuplex = (enet_mii_duplex_t)duplex;
}
ENET_Init(imxrt_eth_device.enet_base, &imxrt_eth_device.enet_handle, &config, &buffConfig, &imxrt_eth_device.dev_addr[0], sysClock);
ENET_SetCallback(&imxrt_eth_device.enet_handle, _enet_callback, &imxrt_eth_device);
ENET_ActiveRead(imxrt_eth_device.enet_base);
}
/* initialize the interface */
static rt_err_t rt_imxrt_eth_init(rt_device_t dev)
{
_enet_io_init();
_enet_clk_init();
_enet_phy_reset_by_gpio();
_enet_config();
return RT_EOK;
}
static rt_err_t rt_imxrt_eth_open(rt_device_t dev, rt_uint16_t oflag)
{
ETH_PRINTF("rt_imxrt_eth_open...\n");
return RT_EOK;
}
static rt_err_t rt_imxrt_eth_close(rt_device_t dev)
{
ETH_PRINTF("rt_imxrt_eth_close...\n");
return RT_EOK;
}
static rt_size_t rt_imxrt_eth_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
{
ETH_PRINTF("rt_imxrt_eth_read...\n");
rt_set_errno(-RT_ENOSYS);
return 0;
}
static rt_size_t rt_imxrt_eth_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
{
ETH_PRINTF("rt_imxrt_eth_write...\n");
rt_set_errno(-RT_ENOSYS);
return 0;
}
static rt_err_t rt_imxrt_eth_control(rt_device_t dev, int cmd, void *args)
{
ETH_PRINTF("rt_imxrt_eth_control...\n");
switch(cmd)
{
case NIOCTL_GADDR:
/* get mac address */
if(args) rt_memcpy(args, imxrt_eth_device.dev_addr, 6);
else return -RT_ERROR;
break;
default :
break;
}
return RT_EOK;
}
/* ethernet device interface */
/* transmit packet. */
rt_err_t rt_imxrt_eth_tx( rt_device_t dev, struct pbuf* p)
{
rt_err_t result = RT_EOK;
enet_handle_t * enet_handle = &imxrt_eth_device.enet_handle;
RT_ASSERT(p != NULL);
RT_ASSERT(enet_handle != RT_NULL);
ETH_PRINTF("rt_imxrt_eth_tx: %d\n", p->len);
#ifdef ETH_TX_DUMP
{
int i;
uint8_t * buf;
buf = (uint8_t *)p->payload;
for (i = 0; i < p->len; i++)
{
ETH_PRINTF("%02X ", buf[i]);
if (i % 16 == 15)
ETH_PRINTF("\n");
}
ETH_PRINTF("\n");
}
#endif
do
{
result = ENET_SendFrame(imxrt_eth_device.enet_base, enet_handle, p->payload, p->len);
if (result == kStatus_ENET_TxFrameBusy)
{
rt_sem_take(&imxrt_eth_device.tx_wait, RT_WAITING_FOREVER);
}
} while (result == kStatus_ENET_TxFrameBusy);
return RT_EOK;
}
/* reception packet. */
struct pbuf *rt_imxrt_eth_rx(rt_device_t dev)
{
uint32_t length = 0;
status_t status;
struct pbuf* p = RT_NULL;
enet_handle_t * enet_handle = &imxrt_eth_device.enet_handle;
ENET_Type *enet_base = imxrt_eth_device.enet_base;
enet_data_error_stats_t *error_statistic = &imxrt_eth_device.error_statistic;
/* Get the Frame size */
status = ENET_GetRxFrameSize(enet_handle, &length);
/* Call ENET_ReadFrame when there is a received frame. */
if (length != 0)
{
/* Received valid frame. Deliver the rx buffer with the size equal to length. */
p = pbuf_alloc(PBUF_RAW, length, PBUF_POOL);
if (p != NULL)
{
status = ENET_ReadFrame(enet_base, enet_handle, p->payload, length);
if (status == kStatus_Success)
{
#ifdef ETH_RX_DUMP
uint8_t *buf;
int i;
ETH_PRINTF("A frame received. the length:%d\n", p->len);
buf = (uint8_t *)p->payload;
for (i = 0; i < p->len; i++)
{
ETH_PRINTF("%02X ", buf[i]);
if (i % 16 == 15)
ETH_PRINTF("\n");
}
ETH_PRINTF("\n");
#endif
return p;
}
else
{
ETH_PRINTF(" A frame read failed\n");
pbuf_free(p);
}
}
else
{
ETH_PRINTF(" pbuf_alloc faild\n");
}
}
else if (status == kStatus_ENET_RxFrameError)
{
ETH_PRINTF("ENET_GetRxFrameSize: kStatus_ENET_RxFrameError\n");
/* Update the received buffer when error happened. */
/* Get the error information of the received g_frame. */
ENET_GetRxErrBeforeReadFrame(enet_handle, error_statistic);
/* update the receive buffer. */
ENET_ReadFrame(enet_base, enet_handle, NULL, 0);
}
ENET_EnableInterrupts(enet_base, kENET_RxFrameInterrupt);
return NULL;
}
static int rt_hw_imxrt_eth_init(void)
{
rt_err_t state;
/* OUI 00-80-E1 STMICROELECTRONICS. */
imxrt_eth_device.dev_addr[0] = 0x00;
imxrt_eth_device.dev_addr[1] = 0x80;
imxrt_eth_device.dev_addr[2] = 0xE1;
/* generate MAC addr from 96bit unique ID (only for test). */
imxrt_eth_device.dev_addr[3] = 0x12;
imxrt_eth_device.dev_addr[4] = 0x34;
imxrt_eth_device.dev_addr[5] = 0x56;
imxrt_eth_device.enet_base = ENET;
imxrt_eth_device.parent.parent.init = rt_imxrt_eth_init;
imxrt_eth_device.parent.parent.open = rt_imxrt_eth_open;
imxrt_eth_device.parent.parent.close = rt_imxrt_eth_close;
imxrt_eth_device.parent.parent.read = rt_imxrt_eth_read;
imxrt_eth_device.parent.parent.write = rt_imxrt_eth_write;
imxrt_eth_device.parent.parent.control = rt_imxrt_eth_control;
imxrt_eth_device.parent.parent.user_data = RT_NULL;
imxrt_eth_device.parent.eth_rx = rt_imxrt_eth_rx;
imxrt_eth_device.parent.eth_tx = rt_imxrt_eth_tx;
ETH_PRINTF("sem init: tx_wait\r\n");
/* init tx semaphore */
rt_sem_init(&imxrt_eth_device.tx_wait, "tx_wait", 0, RT_IPC_FLAG_FIFO);
/* register eth device */
ETH_PRINTF("eth_device_init start\r\n");
state = eth_device_init(&(imxrt_eth_device.parent), "e0");
if (RT_EOK == state)
{
ETH_PRINTF("eth_device_init success\r\n");
}
else
{
ETH_PRINTF("eth_device_init faild: %d\r\n", state);
}
return state;
}
INIT_DEVICE_EXPORT(rt_hw_imxrt_eth_init);
#endif
#ifdef RT_USING_FINSH
#include <finsh.h>
void phy_read(uint32_t phyReg)
{
uint32_t data;
status_t status;
status = PHY_Read(imxrt_eth_device.enet_base, PHY_ADDRESS, phyReg, &data);
if (kStatus_Success == status)
{
rt_kprintf("PHY_Read: %02X --> %08X", phyReg, data);
}
else
{
rt_kprintf("PHY_Read: %02X --> faild", phyReg);
}
}
void phy_write(uint32_t phyReg, uint32_t data)
{
status_t status;
status = PHY_Write(imxrt_eth_device.enet_base, PHY_ADDRESS, phyReg, data);
if (kStatus_Success == status)
{
rt_kprintf("PHY_Write: %02X --> %08X\n", phyReg, data);
}
else
{
rt_kprintf("PHY_Write: %02X --> faild\n", phyReg);
}
}
void phy_dump(void)
{
uint32_t data;
status_t status;
int i;
for (i = 0; i < 32; i++)
{
status = PHY_Read(imxrt_eth_device.enet_base, PHY_ADDRESS, i, &data);
if (kStatus_Success != status)
{
rt_kprintf("phy_dump: %02X --> faild", i);
break;
}
if (i % 8 == 7)
{
rt_kprintf("%02X --> %08X ", i, data);
}
else
{
rt_kprintf("%02X --> %08X\n", i, data);
}
}
}
void enet_reg_dump(void)
{
ENET_Type *enet_base = imxrt_eth_device.enet_base;
#define DUMP_REG(__REG) \
rt_kprintf("%s(%08X): %08X\n", #__REG, (uint32_t)&enet_base->__REG, enet_base->__REG)
DUMP_REG(EIR);
DUMP_REG(EIMR);
DUMP_REG(RDAR);
DUMP_REG(TDAR);
DUMP_REG(ECR);
DUMP_REG(MMFR);
DUMP_REG(MSCR);
DUMP_REG(MIBC);
DUMP_REG(RCR);
DUMP_REG(TCR);
DUMP_REG(PALR);
DUMP_REG(PAUR);
DUMP_REG(OPD);
DUMP_REG(TXIC);
DUMP_REG(RXIC);
DUMP_REG(IAUR);
DUMP_REG(IALR);
DUMP_REG(GAUR);
DUMP_REG(GALR);
DUMP_REG(TFWR);
DUMP_REG(RDSR);
DUMP_REG(TDSR);
DUMP_REG(MRBR);
DUMP_REG(RSFL);
DUMP_REG(RSEM);
DUMP_REG(RAEM);
DUMP_REG(RAFL);
DUMP_REG(TSEM);
DUMP_REG(TAEM);
DUMP_REG(TAFL);
DUMP_REG(TIPG);
DUMP_REG(FTRL);
DUMP_REG(TACC);
DUMP_REG(RACC);
DUMP_REG(RMON_T_DROP);
DUMP_REG(RMON_T_PACKETS);
DUMP_REG(RMON_T_BC_PKT);
DUMP_REG(RMON_T_MC_PKT);
DUMP_REG(RMON_T_CRC_ALIGN);
DUMP_REG(RMON_T_UNDERSIZE);
DUMP_REG(RMON_T_OVERSIZE);
DUMP_REG(RMON_T_FRAG);
DUMP_REG(RMON_T_JAB);
DUMP_REG(RMON_T_COL);
DUMP_REG(RMON_T_P64);
DUMP_REG(RMON_T_P65TO127);
DUMP_REG(RMON_T_P128TO255);
DUMP_REG(RMON_T_P256TO511);
DUMP_REG(RMON_T_P512TO1023);
DUMP_REG(RMON_T_P1024TO2047);
DUMP_REG(RMON_T_P_GTE2048);
DUMP_REG(RMON_T_OCTETS);
DUMP_REG(IEEE_T_DROP);
DUMP_REG(IEEE_T_FRAME_OK);
DUMP_REG(IEEE_T_1COL);
DUMP_REG(IEEE_T_MCOL);
DUMP_REG(IEEE_T_DEF);
DUMP_REG(IEEE_T_LCOL);
DUMP_REG(IEEE_T_EXCOL);
DUMP_REG(IEEE_T_MACERR);
DUMP_REG(IEEE_T_CSERR);
DUMP_REG(IEEE_T_SQE);
DUMP_REG(IEEE_T_FDXFC);
DUMP_REG(IEEE_T_OCTETS_OK);
DUMP_REG(RMON_R_PACKETS);
DUMP_REG(RMON_R_BC_PKT);
DUMP_REG(RMON_R_MC_PKT);
DUMP_REG(RMON_R_CRC_ALIGN);
DUMP_REG(RMON_R_UNDERSIZE);
DUMP_REG(RMON_R_OVERSIZE);
DUMP_REG(RMON_R_FRAG);
DUMP_REG(RMON_R_JAB);
DUMP_REG(RMON_R_RESVD_0);
DUMP_REG(RMON_R_P64);
DUMP_REG(RMON_R_P65TO127);
DUMP_REG(RMON_R_P128TO255);
DUMP_REG(RMON_R_P256TO511);
DUMP_REG(RMON_R_P512TO1023);
DUMP_REG(RMON_R_P1024TO2047);
DUMP_REG(RMON_R_P_GTE2048);
DUMP_REG(RMON_R_OCTETS);
DUMP_REG(IEEE_R_DROP);
DUMP_REG(IEEE_R_FRAME_OK);
DUMP_REG(IEEE_R_CRC);
DUMP_REG(IEEE_R_ALIGN);
DUMP_REG(IEEE_R_MACERR);
DUMP_REG(IEEE_R_FDXFC);
DUMP_REG(IEEE_R_OCTETS_OK);
DUMP_REG(ATCR);
DUMP_REG(ATVR);
DUMP_REG(ATOFF);
DUMP_REG(ATPER);
DUMP_REG(ATCOR);
DUMP_REG(ATINC);
DUMP_REG(ATSTMP);
DUMP_REG(TGSR);
}
void enet_nvic_tog(void)
{
NVIC_SetPendingIRQ(ENET_IRQn);
}
void enet_rx_stat(void)
{
enet_data_error_stats_t *error_statistic = &imxrt_eth_device.error_statistic;
#define DUMP_STAT(__VAR) \
rt_kprintf("%-25s: %08X\n", #__VAR, error_statistic->__VAR);
DUMP_STAT(statsRxLenGreaterErr);
DUMP_STAT(statsRxAlignErr);
DUMP_STAT(statsRxFcsErr);
DUMP_STAT(statsRxOverRunErr);
DUMP_STAT(statsRxTruncateErr);
#ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE
DUMP_STAT(statsRxProtocolChecksumErr);
DUMP_STAT(statsRxIpHeadChecksumErr);
DUMP_STAT(statsRxMacErr);
DUMP_STAT(statsRxPhyErr);
DUMP_STAT(statsRxCollisionErr);
DUMP_STAT(statsTxErr);
DUMP_STAT(statsTxFrameErr);
DUMP_STAT(statsTxOverFlowErr);
DUMP_STAT(statsTxLateCollisionErr);
DUMP_STAT(statsTxExcessCollisionErr);
DUMP_STAT(statsTxUnderFlowErr);
DUMP_STAT(statsTxTsErr);
#endif
}
void enet_buf_info(void)
{
int i = 0;
for (i = 0; i < ENET_RXBD_NUM; i++)
{
rt_kprintf("%d: length: %-8d, control: %04X, buffer:%p\n",
i,
g_rxBuffDescrip[i].length,
g_rxBuffDescrip[i].control,
g_rxBuffDescrip[i].buffer);
}
for (i = 0; i < ENET_TXBD_NUM; i++)
{
rt_kprintf("%d: length: %-8d, control: %04X, buffer:%p\n",
i,
g_txBuffDescrip[i].length,
g_txBuffDescrip[i].control,
g_txBuffDescrip[i].buffer);
}
}
FINSH_FUNCTION_EXPORT(phy_read, read phy register);
FINSH_FUNCTION_EXPORT(phy_write, write phy register);
FINSH_FUNCTION_EXPORT(phy_dump, dump phy registers);
FINSH_FUNCTION_EXPORT(enet_reg_dump, dump enet registers);
FINSH_FUNCTION_EXPORT(enet_nvic_tog, toggle enet nvic pendding bit);
FINSH_FUNCTION_EXPORT(enet_rx_stat, dump enet rx statistic);
FINSH_FUNCTION_EXPORT(enet_buf_info, dump enet tx and tx buffer descripter);
#endif
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