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rt-thread/bsp/imxrt/Libraries/imxrt1021/drivers/drv_eth.c

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Add RT1021-EVK BSP Support For RTThread By JiCheng
2019-03-11 13:10:36 +08:00
/*
* 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"
#include "fsl_cache.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)
#if defined(BOARD_RT1021_EVK)
#define PHY_ADDRESS 0x02u
#endif
/* debug option */
//#define ETH_RX_DUMP
//#define ETH_TX_DUMP
#define DBG_ENABLE
#define DBG_SECTION_NAME "ETH"
#define DBG_COLOR
#define DBG_LEVEL DBG_INFO
#include <rtdbg.h>
#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;
enet_mii_speed_t speed;
enet_mii_duplex_t duplex;
};
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;
}
}
#if defined (BOARD_RT1021_EVK)
static void evk_enet_io_init(void)
{
CLOCK_EnableClock(kCLOCK_Iomuxc); /* iomuxc clock (iomuxc_clk_enable): 0x03u */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_04_GPIO1_IO04, /* GPIO_AD_B0_04 is configured as GPIO1_IO04 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_06_LPUART1_TX, /* GPIO_AD_B0_06 is configured as LPUART1_TX */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_07_LPUART1_RX, /* GPIO_AD_B0_07 is configured as LPUART1_RX */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_08_ENET_REF_CLK1, /* GPIO_AD_B0_08 is configured as ENET_REF_CLK1 */
1U); /* Software Input On Field: Force input path of pad GPIO_AD_B0_08 */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_09_ENET_RDATA01, /* GPIO_AD_B0_09 is configured as ENET_RDATA01 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_10_ENET_RDATA00, /* GPIO_AD_B0_10 is configured as ENET_RDATA00 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_11_ENET_RX_EN, /* GPIO_AD_B0_11 is configured as ENET_RX_EN */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_12_ENET_RX_ER, /* GPIO_AD_B0_12 is configured as ENET_RX_ER */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_13_ENET_TX_EN, /* GPIO_AD_B0_13 is configured as ENET_TX_EN */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_14_ENET_TDATA00, /* GPIO_AD_B0_14 is configured as ENET_TDATA00 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_15_ENET_TDATA01, /* GPIO_AD_B0_15 is configured as ENET_TDATA01 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_06_GPIO1_IO22, /* GPIO_AD_B1_06 is configured as GPIO1_IO22 */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_EMC_40_ENET_MDIO, /* GPIO_EMC_40 is configured as ENET_MDIO */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_EMC_41_ENET_MDC, /* GPIO_EMC_41 is configured as ENET_MDC */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B0_04_GPIO1_IO04, /* GPIO_AD_B0_04 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_06_LPUART1_TX, /* GPIO_AD_B0_06 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_07_LPUART1_RX, /* GPIO_AD_B0_07 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_08_ENET_REF_CLK1, /* GPIO_AD_B0_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_AD_B0_09_ENET_RDATA01, /* GPIO_AD_B0_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_AD_B0_10_ENET_RDATA00, /* GPIO_AD_B0_10 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_AD_B0_11_ENET_RX_EN, /* GPIO_AD_B0_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_AD_B0_12_ENET_RX_ER, /* GPIO_AD_B0_12 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_AD_B0_13_ENET_TX_EN, /* GPIO_AD_B0_13 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_AD_B0_14_ENET_TDATA00, /* GPIO_AD_B0_14 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_AD_B0_15_ENET_TDATA01, /* GPIO_AD_B0_15 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_AD_B1_06_GPIO1_IO22, /* GPIO_AD_B1_06 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_EMC_40_ENET_MDIO, /* 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_MDC, /* GPIO_EMC_41 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 */
}
#endif
static void _enet_clk_init(void)
{
const clock_enet_pll_config_t config = {true, false, false, 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, 4, &gpio_config);
GPIO_PinInit(GPIO1, 22, &gpio_config);
/* pull up the ENET_INT before RESET. */
GPIO_WritePinOutput(GPIO1, 22, 1);
GPIO_WritePinOutput(GPIO1, 4, 0);
_delay();
GPIO_WritePinOutput(GPIO1, 4, 1);
}
static void _enet_config(void)
{
enet_config_t config;
uint32_t sysClock;
/* 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;
config.miiSpeed = imxrt_eth_device.speed;
config.miiDuplex = imxrt_eth_device.duplex;
/* Set SMI to get PHY link status. */
sysClock = CLOCK_GetFreq(kCLOCK_AhbClk);
dbg_log(DBG_LOG, "deinit\n");
ENET_Deinit(imxrt_eth_device.enet_base);
dbg_log(DBG_LOG, "init\n");
ENET_Init(imxrt_eth_device.enet_base, &imxrt_eth_device.enet_handle, &config, &buffConfig, &imxrt_eth_device.dev_addr[0], sysClock);
dbg_log(DBG_LOG, "set call back\n");
ENET_SetCallback(&imxrt_eth_device.enet_handle, _enet_callback, &imxrt_eth_device);
dbg_log(DBG_LOG, "active read\n");
ENET_ActiveRead(imxrt_eth_device.enet_base);
}
#if defined(ETH_RX_DUMP) || defined(ETH_TX_DUMP)
static void packet_dump(const char *msg, const struct pbuf *p)
{
const struct pbuf *q;
rt_uint32_t i, j;
rt_uint8_t *ptr;
rt_kprintf("%s %d byte\n", msg, p->tot_len);
i = 0;
for (q = p; q != RT_NULL; q = q->next)
{
ptr = q->payload;
for (j = 0; j < q->len; j++)
{
if ((i % 8) == 0)
{
rt_kprintf(" ");
}
if ((i % 16) == 0)
{
rt_kprintf("\r\n");
}
rt_kprintf("%02x ", *ptr);
i++;
ptr++;
}
}
rt_kprintf("\n\n");
}
#else
#define packet_dump(...)
#endif /* dump */
/* initialize the interface */
static rt_err_t rt_imxrt_eth_init(rt_device_t dev)
{
dbg_log(DBG_LOG, "rt_imxrt_eth_init...\n");
_enet_config();
return RT_EOK;
}
static rt_err_t rt_imxrt_eth_open(rt_device_t dev, rt_uint16_t oflag)
{
dbg_log(DBG_LOG, "rt_imxrt_eth_open...\n");
return RT_EOK;
}
static rt_err_t rt_imxrt_eth_close(rt_device_t dev)
{
dbg_log(DBG_LOG, "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)
{
dbg_log(DBG_LOG, "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)
{
dbg_log(DBG_LOG, "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)
{
dbg_log(DBG_LOG, "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;
}
static void _ENET_ActiveSend(ENET_Type *base, uint32_t ringId)
{
assert(ringId < FSL_FEATURE_ENET_QUEUE);
switch (ringId)
{
case 0:
base->TDAR = ENET_TDAR_TDAR_MASK;
break;
#if FSL_FEATURE_ENET_QUEUE > 1
case kENET_Ring1:
base->TDAR1 = ENET_TDAR1_TDAR_MASK;
break;
case kENET_Ring2:
base->TDAR2 = ENET_TDAR2_TDAR_MASK;
break;
#endif /* FSL_FEATURE_ENET_QUEUE > 1 */
default:
base->TDAR = ENET_TDAR_TDAR_MASK;
break;
}
}
static status_t _ENET_SendFrame(ENET_Type *base, enet_handle_t *handle, const uint8_t *data, uint32_t length)
{
assert(handle);
assert(data);
volatile enet_tx_bd_struct_t *curBuffDescrip;
uint32_t len = 0;
uint32_t sizeleft = 0;
uint32_t address;
/* Check the frame length. */
if (length > ENET_FRAME_MAX_FRAMELEN)
{
return kStatus_ENET_TxFrameOverLen;
}
/* Check if the transmit buffer is ready. */
curBuffDescrip = handle->txBdCurrent[0];
if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_READY_MASK)
{
return kStatus_ENET_TxFrameBusy;
}
#ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE
bool isPtpEventMessage = false;
/* Check PTP message with the PTP header. */
isPtpEventMessage = ENET_Ptp1588ParseFrame(data, NULL, true);
#endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */
/* One transmit buffer is enough for one frame. */
if (handle->txBuffSizeAlign[0] >= length)
{
/* Copy data to the buffer for uDMA transfer. */
#if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET
address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer,kMEMORY_DMA2Local);
#else
address = (uint32_t)curBuffDescrip->buffer;
#endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */
pbuf_copy_partial((const struct pbuf *)data, (void *)address, length, 0);
/* Set data length. */
curBuffDescrip->length = length;
#ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE
/* For enable the timestamp. */
if (isPtpEventMessage)
{
curBuffDescrip->controlExtend1 |= ENET_BUFFDESCRIPTOR_TX_TIMESTAMP_MASK;
}
else
{
curBuffDescrip->controlExtend1 &= ~ENET_BUFFDESCRIPTOR_TX_TIMESTAMP_MASK;
}
#endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */
curBuffDescrip->control |= (ENET_BUFFDESCRIPTOR_TX_READY_MASK | ENET_BUFFDESCRIPTOR_TX_LAST_MASK);
/* Increase the buffer descriptor address. */
if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_WRAP_MASK)
{
handle->txBdCurrent[0] = handle->txBdBase[0];
}
else
{
handle->txBdCurrent[0]++;
}
#if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
/* Add the cache clean maintain. */
#if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET
address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer,kMEMORY_DMA2Local);
#else
address = (uint32_t)curBuffDescrip->buffer;
#endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */
DCACHE_CleanByRange(address, length);
#endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */
/* Active the transmit buffer descriptor. */
_ENET_ActiveSend(base, 0);
return kStatus_Success;
}
else
{
/* One frame requires more than one transmit buffers. */
do
{
#ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE
/* For enable the timestamp. */
if (isPtpEventMessage)
{
curBuffDescrip->controlExtend1 |= ENET_BUFFDESCRIPTOR_TX_TIMESTAMP_MASK;
}
else
{
curBuffDescrip->controlExtend1 &= ~ENET_BUFFDESCRIPTOR_TX_TIMESTAMP_MASK;
}
#endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */
/* Increase the buffer descriptor address. */
if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_WRAP_MASK)
{
handle->txBdCurrent[0] = handle->txBdBase[0];
}
else
{
handle->txBdCurrent[0]++;
}
/* update the size left to be transmit. */
sizeleft = length - len;
if (sizeleft > handle->txBuffSizeAlign[0])
{
/* Data copy. */
#if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET
address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer,kMEMORY_DMA2Local);
#else
address = (uint32_t)curBuffDescrip->buffer;
#endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */
memcpy((void *)address, data + len, handle->txBuffSizeAlign[0]);
/* Data length update. */
curBuffDescrip->length = handle->txBuffSizeAlign[0];
len += handle->txBuffSizeAlign[0];
/* Sets the control flag. */
curBuffDescrip->control &= ~ENET_BUFFDESCRIPTOR_TX_LAST_MASK;
curBuffDescrip->control |= ENET_BUFFDESCRIPTOR_TX_READY_MASK;
/* Active the transmit buffer descriptor*/
_ENET_ActiveSend(base, 0);
}
else
{
#if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET
address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer,kMEMORY_DMA2Local);
#else
address = (uint32_t)curBuffDescrip->buffer;
#endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */
memcpy((void *)address, data + len, sizeleft);
curBuffDescrip->length = sizeleft;
/* Set Last buffer wrap flag. */
curBuffDescrip->control |= ENET_BUFFDESCRIPTOR_TX_READY_MASK | ENET_BUFFDESCRIPTOR_TX_LAST_MASK;
#if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
/* Add the cache clean maintain. */
#if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET
address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer,kMEMORY_DMA2Local);
#else
address = (uint32_t)curBuffDescrip->buffer;
#endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */
DCACHE_CleanByRange(address, handle->txBuffSizeAlign[0]);
#endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */
/* Active the transmit buffer descriptor. */
_ENET_ActiveSend(base, 0);
return kStatus_Success;
}
/* Get the current buffer descriptor address. */
curBuffDescrip = handle->txBdCurrent[0];
}
while (!(curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_READY_MASK));
return kStatus_ENET_TxFrameBusy;
}
}
/* 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);
dbg_log(DBG_LOG, "rt_imxrt_eth_tx: %d\n", p->len);
#ifdef ETH_TX_DUMP
packet_dump("send", p);
#endif
do
{
result = _ENET_SendFrame(imxrt_eth_device.enet_base, enet_handle, (const uint8_t *)p, p->tot_len);
if (result == kStatus_ENET_TxFrameBusy)
{
imxrt_eth_device.tx_is_waiting = RT_TRUE;
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
packet_dump("recv", p);
#endif
return p;
}
else
{
dbg_log(DBG_LOG, " A frame read failed\n");
pbuf_free(p);
}
}
else
{
dbg_log(DBG_LOG, " pbuf_alloc faild\n");
}
}
else if (status == kStatus_ENET_RxFrameError)
{
dbg_log(DBG_WARNING, "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 void phy_monitor_thread_entry(void *parameter)
{
phy_speed_t speed;
phy_duplex_t duplex;
bool link = false;
_enet_phy_reset_by_gpio();
PHY_Init(imxrt_eth_device.enet_base, PHY_ADDRESS, CLOCK_GetFreq(kCLOCK_AhbClk));
while (1)
{
bool new_link = false;
status_t status = PHY_GetLinkStatus(imxrt_eth_device.enet_base, PHY_ADDRESS, &new_link);
if ((status == kStatus_Success) && (link != new_link))
{
link = new_link;
if (link) // link up
{
PHY_GetLinkSpeedDuplex(imxrt_eth_device.enet_base,
PHY_ADDRESS, &speed, &duplex);
if (kPHY_Speed10M == speed)
{
dbg_log(DBG_LOG, "10M\n");
}
else
{
dbg_log(DBG_LOG, "100M\n");
}
if (kPHY_HalfDuplex == duplex)
{
dbg_log(DBG_LOG, "half dumplex\n");
}
else
{
dbg_log(DBG_LOG, "full dumplex\n");
}
if ((imxrt_eth_device.speed != (enet_mii_speed_t)speed)
|| (imxrt_eth_device.duplex != (enet_mii_duplex_t)duplex))
{
imxrt_eth_device.speed = (enet_mii_speed_t)speed;
imxrt_eth_device.duplex = (enet_mii_duplex_t)duplex;
dbg_log(DBG_LOG, "link up, and update eth mode.\n");
rt_imxrt_eth_init((rt_device_t)&imxrt_eth_device);
}
else
{
dbg_log(DBG_LOG, "link up, eth not need re-config.\n");
}
dbg_log(DBG_LOG, "link up.\n");
eth_device_linkchange(&imxrt_eth_device.parent, RT_TRUE);
}
else // link down
{
dbg_log(DBG_LOG, "link down.\n");
eth_device_linkchange(&imxrt_eth_device.parent, RT_FALSE);
}
}
rt_thread_delay(RT_TICK_PER_SECOND * 2);
}
}
static int rt_hw_imxrt_eth_init(void)
{
rt_err_t state;
#if defined (BOARD_RT1021_EVK)
evk_enet_io_init();
#endif
_enet_clk_init();
/* OUI 00-80-E1 STMICROELECTRONICS. */
imxrt_eth_device.dev_addr[0] = 0x00;
imxrt_eth_device.dev_addr[1] = 0x04;
imxrt_eth_device.dev_addr[2] = 0x9F;
/* generate MAC addr from 96bit unique ID (only for test). */
imxrt_eth_device.dev_addr[3] = 0x08;
imxrt_eth_device.dev_addr[4] = 0x43;
imxrt_eth_device.dev_addr[5] = 0x75;
imxrt_eth_device.speed = kENET_MiiSpeed100M;
imxrt_eth_device.duplex = kENET_MiiFullDuplex;
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;
dbg_log(DBG_LOG, "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 */
dbg_log(DBG_LOG, "eth_device_init start\r\n");
state = eth_device_init(&(imxrt_eth_device.parent), "e0");
if (RT_EOK == state)
{
dbg_log(DBG_LOG, "eth_device_init success\r\n");
}
else
{
dbg_log(DBG_LOG, "eth_device_init faild: %d\r\n", state);
}
eth_device_linkchange(&imxrt_eth_device.parent, RT_FALSE);
/* start phy monitor */
{
rt_thread_t tid;
tid = rt_thread_create("phy",
phy_monitor_thread_entry,
RT_NULL,
512,
RT_THREAD_PRIORITY_MAX - 2,
2);
if (tid != RT_NULL)
rt_thread_startup(tid);
}
return state;
}
#ifdef BOARD_rt1021_ATK
INIT_ENV_EXPORT(rt_hw_imxrt_eth_init);
#else
INIT_DEVICE_EXPORT(rt_hw_imxrt_eth_init);
#endif
#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