From fbd0b064c475f92e81e2d9b340acacffb54c12cd Mon Sep 17 00:00:00 2001 From: wuyangyong Date: Fri, 25 Nov 2011 06:55:20 +0000 Subject: [PATCH] update stm32f107 ethernet driver git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1804 bbd45198-f89e-11dd-88c7-29a3b14d5316 --- bsp/stm32f107/stm32_eth.c | 186 +------------------------------------- bsp/stm32f107/stm32_eth.h | 2 +- 2 files changed, 6 insertions(+), 182 deletions(-) diff --git a/bsp/stm32f107/stm32_eth.c b/bsp/stm32f107/stm32_eth.c index 0903f6ca1..bead74272 100644 --- a/bsp/stm32f107/stm32_eth.c +++ b/bsp/stm32f107/stm32_eth.c @@ -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(Ð_InitStructure, PHY_ADDRESS); + Value = ETH_Init(Ð_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 -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); - diff --git a/bsp/stm32f107/stm32_eth.h b/bsp/stm32f107/stm32_eth.h index 17c5caf39..b80c4685f 100644 --- a/bsp/stm32f107/stm32_eth.h +++ b/bsp/stm32f107/stm32_eth.h @@ -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);