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update stm32f107 ethernet driver 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1804 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
wuyangyong 2011-11-25 06:55:20 +00:00
parent 7eaac75bcb
commit fbd0b064c4
2 changed files with 6 additions and 182 deletions
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186
bsp/stm32f107/stm32_eth.c
View File

@ -26,7 +26,6 @@
#define CHECKSUM_BY_HARDWARE
#define MII_MODE /* MII mode for STM3210C-EVAL Board (MB784) (check jumpers setting) */
//#define RMII_MODE /* RMII mode for STM3210C-EVAL Board (MB784) (check jumpers setting) */
#define PHY_ADDRESS 0x01 /* Relative to STM3210C-EVAL Board */
/** @addtogroup STM32_ETH_Driver
@ -134,17 +133,17 @@ void ETH_DeInit(void)
* parameters in the ETH_InitStruct .
* @param ETH_InitStruct: pointer to a ETH_InitTypeDef structure that contains
* the configuration information for the specified ETHERNET peripheral.
* @param PHYAddress: external PHY address
* @retval ETH_ERROR: Ethernet initialization failed
* ETH_SUCCESS: Ethernet successfully initialized
*/
uint32_t ETH_Init(ETH_InitTypeDef* ETH_InitStruct, uint16_t PHYAddress)
uint32_t ETH_Init(ETH_InitTypeDef* ETH_InitStruct)
{
uint32_t RegValue = 0, tmpreg = 0;
uint32_t tmpreg = 0;
__IO uint32_t i = 0;
RCC_ClocksTypeDef rcc_clocks;
uint32_t hclk = 60000000;
__IO uint32_t timeout = 0;
/* Check the parameters */
/* MAC --------------------------*/
assert_param(IS_ETH_AUTONEGOTIATION(ETH_InitStruct->ETH_AutoNegotiation));
@ -193,6 +192,7 @@ uint32_t ETH_Init(ETH_InitTypeDef* ETH_InitStruct, uint16_t PHYAddress)
assert_param(IS_ETH_TXDMA_BURST_LENGTH(ETH_InitStruct->ETH_TxDMABurstLength));
assert_param(IS_ETH_DMA_DESC_SKIP_LENGTH(ETH_InitStruct->ETH_DescriptorSkipLength));
assert_param(IS_ETH_DMA_ARBITRATION_ROUNDROBIN_RXTX(ETH_InitStruct->ETH_DMAArbitration));
/*-------------------------------- MAC Config ------------------------------*/
/*---------------------- ETHERNET MACMIIAR Configuration -------------------*/
/* Get the ETHERNET MACMIIAR value */
@ -220,94 +220,7 @@ uint32_t ETH_Init(ETH_InitTypeDef* ETH_InitStruct, uint16_t PHYAddress)
}
/* Write to ETHERNET MAC MIIAR: Configure the ETHERNET CSR Clock Range */
ETH->MACMIIAR = (uint32_t)tmpreg;
/*-------------------- PHY initialization and configuration ----------------*/
/* Put the PHY in reset mode */
if(!(ETH_WritePHYRegister(PHYAddress, PHY_BCR, PHY_Reset)))
{
/* Return ERROR in case of write timeout */
return ETH_ERROR;
}
/* Delay to assure PHY reset */
for(i = PHY_ResetDelay; i != 0; i--)
{
}
if(ETH_InitStruct->ETH_AutoNegotiation != ETH_AutoNegotiation_Disable)
{
/* We wait for linked satus... */
do
{
timeout++;
} while (!(ETH_ReadPHYRegister(PHYAddress, PHY_BSR) & PHY_Linked_Status) && (timeout < PHY_READ_TO));
/* Return ERROR in case of timeout */
if(timeout == PHY_READ_TO)
{
return ETH_ERROR;
}
/* Reset Timeout counter */
timeout = 0;
/* Enable Auto-Negotiation */
if(!(ETH_WritePHYRegister(PHYAddress, PHY_BCR, PHY_AutoNegotiation)))
{
/* Return ERROR in case of write timeout */
return ETH_ERROR;
}
/* Wait until the autonegotiation will be completed */
do
{
timeout++;
} while (!(ETH_ReadPHYRegister(PHYAddress, PHY_BSR) & PHY_AutoNego_Complete) && (timeout < (uint32_t)PHY_READ_TO));
/* Return ERROR in case of timeout */
if(timeout == PHY_READ_TO)
{
return ETH_ERROR;
}
/* Reset Timeout counter */
timeout = 0;
/* Read the result of the autonegotiation */
RegValue = ETH_ReadPHYRegister(PHYAddress, PHY_SR);
/* Configure the MAC with the Duplex Mode fixed by the autonegotiation process */
if((RegValue & PHY_Duplex_Status) != (uint32_t)RESET)
{
/* Set Ethernet duplex mode to FullDuplex following the autonegotiation */
ETH_InitStruct->ETH_Mode = ETH_Mode_FullDuplex;
}
else
{
/* Set Ethernet duplex mode to HalfDuplex following the autonegotiation */
ETH_InitStruct->ETH_Mode = ETH_Mode_HalfDuplex;
}
/* Configure the MAC with the speed fixed by the autonegotiation process */
if(RegValue & PHY_Speed_Status)
{
/* Set Ethernet speed to 10M following the autonegotiation */
ETH_InitStruct->ETH_Speed = ETH_Speed_10M;
}
else
{
/* Set Ethernet speed to 100M following the autonegotiation */
ETH_InitStruct->ETH_Speed = ETH_Speed_100M;
}
}
else
{
if(!ETH_WritePHYRegister(PHYAddress, PHY_BCR, ((uint16_t)(ETH_InitStruct->ETH_Mode >> 3) |
(uint16_t)(ETH_InitStruct->ETH_Speed >> 1))))
{
/* Return ERROR in case of write timeout */
return ETH_ERROR;
}
/* Delay to assure PHY configuration */
for(i = PHY_ConfigDelay; i != 0; i--)
{
}
}
/*------------------------ ETHERNET MACCR Configuration --------------------*/
/* Get the ETHERNET MACCR value */
tmpreg = ETH->MACCR;
@ -3139,77 +3052,6 @@ void ETH_IRQHandler(void)
rt_interrupt_leave();
}
#define MICR 0x11
#define MISR 0x12
void EXTI9_5_IRQHandler(void)
{
volatile rt_uint16_t status;
/* enter interrupt */
rt_interrupt_enter();
status = ETH_ReadPHYRegister(PHY_ADDRESS, MISR);
if (status & (1 << 13))
{
/* change of link */
status = ETH_ReadPHYRegister(PHY_ADDRESS, PHY_SR);
if (status & 0x01) /* link established */
{
netif_set_link_up(stm32_eth_device.parent.netif);
}
else
{
netif_set_link_down(stm32_eth_device.parent.netif);
}
}
/* Clear the Key Button EXTI line pending bit */
EXTI_ClearITPendingBit(EXTI_Line5);
/* leave interrupt */
rt_interrupt_leave();
}
void rt_eth_phy_init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Configure PC5 as input for PHY interrupt */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* Connect PHY Interrupt Line to GPIOC Pin 5 */
GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource5);
/* Configure PHY Interrupt Line to generate an interrupt on falling edge */
EXTI_InitStructure.EXTI_Line = EXTI_Line5;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* set PHY interrupt */
ETH_WritePHYRegister(PHY_ADDRESS, MICR, 0x0003);
ETH_WritePHYRegister(PHY_ADDRESS, MISR, 0x0060);
/* Clear PHY Interrupt Line pending bit */
EXTI_ClearITPendingBit(EXTI_Line5);
/* Enable the EXTI0 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/* RT-Thread Device Interface */
/* initialize the interface */
@ -3267,7 +3109,7 @@ static rt_err_t rt_stm32_eth_init(rt_device_t dev)
ETH_InitStructure.ETH_DMAArbitration = ETH_DMAArbitration_RoundRobin_RxTx_2_1;
/* Configure ETHERNET */
Value = ETH_Init(&ETH_InitStructure, PHY_ADDRESS);
Value = ETH_Init(&ETH_InitStructure);
/* Enable DMA Receive interrupt (need to enable in this case Normal interrupt) */
ETH_DMAITConfig(ETH_DMA_IT_NIS | ETH_DMA_IT_R | ETH_DMA_IT_T, ENABLE);
@ -3674,21 +3516,3 @@ void rt_hw_stm32_eth_init()
eth_device_init(&(stm32_eth_device.parent), "e0");
}
#include <finsh.h>
void phy(void)
{
rt_uint16_t v;
v = ETH_ReadPHYRegister(PHY_ADDRESS, PHY_BCR);
rt_kprintf("PHY BCR: 0x%04x\n", v);
v = ETH_ReadPHYRegister(PHY_ADDRESS, PHY_BSR);
rt_kprintf("PHY BSR: 0x%04x\n", v);
v = ETH_ReadPHYRegister(PHY_ADDRESS, PHY_SR);
rt_kprintf("PHY SR: 0x%04x\n", v);
v = ETH_ReadPHYRegister(PHY_ADDRESS, 0x11);
rt_kprintf("PHY MICR: 0x%04x\n", v);
v = ETH_ReadPHYRegister(PHY_ADDRESS, 0x12);
rt_kprintf("PHY MISR: 0x%04x\n", v);
}
FINSH_FUNCTION_EXPORT(phy, read phy);

2
bsp/stm32f107/stm32_eth.h
View File

@ -1581,7 +1581,7 @@ typedef struct {
* @{
*/
void ETH_DeInit(void);
uint32_t ETH_Init(ETH_InitTypeDef* ETH_InitStruct, u16 PHYAddress);
uint32_t ETH_Init(ETH_InitTypeDef* ETH_InitStruct);
void ETH_StructInit(ETH_InitTypeDef* ETH_InitStruct);
void ETH_SoftwareReset(void);
FlagStatus ETH_GetSoftwareResetStatus(void);