#include <bsp.h>
#include <kern.h>
#include <config.h>
#include <bfin_dma.h>
#include <string.h>
#include "lw_emac.h"

Include dependency graph for lw_emac.c:

Go to the source code of this file.

Classes
struct	bfin_emac_regs

struct	ethernet_data

Macros
#define	ETH_FRAME_SIZE 0x614

#define	ETH_RX_BUF_SIZE 2

#define	ETH_TX_BUF_SIZE 1

#define	MII_ANAR_100_FD BIT (8) /* Can do 100BASE-TX full duplex */

#define	MII_ANAR_10_FD BIT (6) /* Can do 10BASE-T full duplex */

#define	MII_BMCR 0x00 /* Basic Mode Control Register */

#define	MII_BMCR_ANEG_EN BIT (12)

#define	MII_BMCR_ANEG_RST BIT (9)

#define	MII_BMCR_RST BIT (15)

#define	MII_BMSR 0x01 /* Basic Mode Status Register */

#define	MII_BMSR_ANEGACK BIT (5)

#define	MII_BMSR_LINK BIT (2)

#define	MII_LPAR 0x05 /* Auto-Negotiation Link Partner Ability Register */

#define	MII_PHYIDR1 0x02 /* PHY Identifier Register 1 */

#define	MII_PHYIDR2 0x03 /* PHY Identifier Register 2 */

#define	PHY_ADDR 0

#define	PHY_MDC_Hz 2500000

#define	PHY_RETRIES 3000

Typedefs
typedef struct bfin_emac_regs	bfin_emac_regs_t

typedef struct ethernet_data	ethernet_data_t

Functions
static ethernet_data_t rxBuffer [ETH_RX_BUF_SIZE]	__attribute__ ((section(".dma")))

int	bfin_EMAC_init (uint8_t *ethAddr)

int	bfin_EMAC_recv (uint8_t *packet, size_t size)

int	bfin_EMAC_send (void *packet, int length)

	COMPILETIME_ASSERT (offsetof(bfin_emac_regs_t, opmode)==0x0)

	COMPILETIME_ASSERT (offsetof(bfin_emac_regs_t, staadd)==0x14)

	COMPILETIME_ASSERT (offsetof(bfin_emac_regs_t, wkup_ctl)==0x2c)

	COMPILETIME_ASSERT (offsetof(bfin_emac_regs_t, wkup_ffcrc1)==0x4c)

	COMPILETIME_ASSERT (offsetof(bfin_emac_regs_t, sysctl)==0x60)

	COMPILETIME_ASSERT (offsetof(bfin_emac_regs_t, rx_stat)==0x68)

	COMPILETIME_ASSERT (offsetof(bfin_emac_regs_t, mmc_ctl)==0x80)

	COMPILETIME_ASSERT (offsetof(bfin_emac_regs_t, mmc_tirqe)==0x90)

	COMPILETIME_ASSERT (offsetof(bfin_emac_regs_t, mmc_rxc_ok)==0x100)

	COMPILETIME_ASSERT (offsetof(bfin_emac_regs_t, mmc_rxc_dmaovf)==0x110)

	COMPILETIME_ASSERT (offsetof(bfin_emac_regs_t, mmc_rxc_ge1024)==0x15c)

	COMPILETIME_ASSERT (sizeof(ethernet_data_t)==0x618)

static uint8_t	lw_emac_init_registers (uint8_t *ethAddr)

static uint32_t	lw_emac_read_phy_reg (uint8_t phy_addr, uint8_t reg_addr)

static void	lw_emac_set_mac_addr (uint8_t *ethAddr)

static void	lw_emac_write_phy_reg (uint8_t phy_addr, uint8_t reg_addr, uint32_t data)

Variables
static volatile bfin_emac_regs_t *	pEth = (bfin_emac_regs_t *) EMAC_OPMODE

static uint8_t	rxIdx

static uint8_t	txIdx

Macro Definition Documentation

◆ ETH_FRAME_SIZE

#define ETH_FRAME_SIZE 0x614

Definition at line 66 of file lw_emac.c.

◆ ETH_RX_BUF_SIZE

#define ETH_RX_BUF_SIZE 2

Definition at line 64 of file lw_emac.c.

◆ ETH_TX_BUF_SIZE

#define ETH_TX_BUF_SIZE 1

Definition at line 65 of file lw_emac.c.

◆ MII_ANAR_100_FD

#define MII_ANAR_100_FD BIT (8) /* Can do 100BASE-TX full duplex */

Definition at line 52 of file lw_emac.c.

◆ MII_ANAR_10_FD

#define MII_ANAR_10_FD BIT (6) /* Can do 10BASE-T full duplex */

Definition at line 53 of file lw_emac.c.

◆ MII_BMCR

#define MII_BMCR 0x00 /* Basic Mode Control Register */

Definition at line 36 of file lw_emac.c.

◆ MII_BMCR_ANEG_EN

#define MII_BMCR_ANEG_EN BIT (12)

Definition at line 44 of file lw_emac.c.

◆ MII_BMCR_ANEG_RST

#define MII_BMCR_ANEG_RST BIT (9)

Definition at line 45 of file lw_emac.c.

◆ MII_BMCR_RST

#define MII_BMCR_RST BIT (15)

Definition at line 43 of file lw_emac.c.

◆ MII_BMSR

#define MII_BMSR 0x01 /* Basic Mode Status Register */

Definition at line 37 of file lw_emac.c.

◆ MII_BMSR_ANEGACK

#define MII_BMSR_ANEGACK BIT (5)

Definition at line 48 of file lw_emac.c.

◆ MII_BMSR_LINK

#define MII_BMSR_LINK BIT (2)

Definition at line 49 of file lw_emac.c.

◆ MII_LPAR

#define MII_LPAR 0x05 /* Auto-Negotiation Link Partner Ability Register */

Definition at line 40 of file lw_emac.c.

◆ MII_PHYIDR1

#define MII_PHYIDR1 0x02 /* PHY Identifier Register 1 */

Definition at line 38 of file lw_emac.c.

◆ MII_PHYIDR2

#define MII_PHYIDR2 0x03 /* PHY Identifier Register 2 */

Definition at line 39 of file lw_emac.c.

◆ PHY_ADDR

#define PHY_ADDR 0

Definition at line 62 of file lw_emac.c.

◆ PHY_MDC_Hz

#define PHY_MDC_Hz 2500000

Definition at line 59 of file lw_emac.c.

◆ PHY_RETRIES

#define PHY_RETRIES 3000

Definition at line 60 of file lw_emac.c.

Typedef Documentation

◆ bfin_emac_regs_t

typedef struct bfin_emac_regs bfin_emac_regs_t

◆ ethernet_data_t

typedef struct ethernet_data ethernet_data_t

Function Documentation

◆ attribute()

static ethernet_data_t rxBuffer [ETH_RX_BUF_SIZE] __attribute__ ( (section(".dma")) )

static

◆ bfin_EMAC_init()

int bfin_EMAC_init ( uint8_t * ethAddr )

Definition at line 288 of file lw_emac.c.

◆ bfin_EMAC_recv()

int bfin_EMAC_recv	(	uint8_t *	packet,
		size_t	size
	)

Definition at line 384 of file lw_emac.c.

◆ bfin_EMAC_send()

int bfin_EMAC_send	(	void *	packet,
		int	length
	)

Definition at line 354 of file lw_emac.c.

◆ COMPILETIME_ASSERT() [1/12]

COMPILETIME_ASSERT ( offsetof(bfin_emac_regs_t, opmode) = =0x0 )

◆ COMPILETIME_ASSERT() [2/12]

COMPILETIME_ASSERT ( offsetof(bfin_emac_regs_t, staadd) = =0x14 )

◆ COMPILETIME_ASSERT() [3/12]

COMPILETIME_ASSERT ( offsetof(bfin_emac_regs_t, wkup_ctl) = =0x2c )

◆ COMPILETIME_ASSERT() [4/12]

COMPILETIME_ASSERT ( offsetof(bfin_emac_regs_t, wkup_ffcrc1) = =0x4c )

◆ COMPILETIME_ASSERT() [5/12]

COMPILETIME_ASSERT ( offsetof(bfin_emac_regs_t, sysctl) = =0x60 )

◆ COMPILETIME_ASSERT() [6/12]

COMPILETIME_ASSERT ( offsetof(bfin_emac_regs_t, rx_stat) = =0x68 )

◆ COMPILETIME_ASSERT() [7/12]

COMPILETIME_ASSERT ( offsetof(bfin_emac_regs_t, mmc_ctl) = =0x80 )

◆ COMPILETIME_ASSERT() [8/12]

COMPILETIME_ASSERT ( offsetof(bfin_emac_regs_t, mmc_tirqe) = =0x90 )

◆ COMPILETIME_ASSERT() [9/12]

COMPILETIME_ASSERT ( offsetof(bfin_emac_regs_t, mmc_rxc_ok) = =0x100 )

◆ COMPILETIME_ASSERT() [10/12]

COMPILETIME_ASSERT ( offsetof(bfin_emac_regs_t, mmc_rxc_dmaovf) = =0x110 )

◆ COMPILETIME_ASSERT() [11/12]

COMPILETIME_ASSERT ( offsetof(bfin_emac_regs_t, mmc_rxc_ge1024) = =0x15c )

◆ COMPILETIME_ASSERT() [12/12]

COMPILETIME_ASSERT ( sizeof(ethernet_data_t) = =0x618 )

◆ lw_emac_init_registers()

static uint8_t lw_emac_init_registers ( uint8_t * ethAddr )

static

Definition at line 202 of file lw_emac.c.

◆ lw_emac_read_phy_reg()

static uint32_t lw_emac_read_phy_reg	(	uint8_t	phy_addr,
		uint8_t	reg_addr
	)

static

Definition at line 182 of file lw_emac.c.

◆ lw_emac_set_mac_addr()

static void lw_emac_set_mac_addr ( uint8_t * ethAddr )

static

Definition at line 190 of file lw_emac.c.

◆ lw_emac_write_phy_reg()

static void lw_emac_write_phy_reg	(	uint8_t	phy_addr,
		uint8_t	reg_addr,
		uint32_t	data
	)

static

Definition at line 172 of file lw_emac.c.

Variable Documentation

◆ pEth

volatile bfin_emac_regs_t* pEth = (bfin_emac_regs_t *) EMAC_OPMODE

static

Definition at line 157 of file lw_emac.c.

◆ rxIdx

uint8_t rxIdx

static

Definition at line 168 of file lw_emac.c.

◆ txIdx

uint8_t txIdx

static

Definition at line 168 of file lw_emac.c.

Classes

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ ETH_FRAME_SIZE

◆ ETH_RX_BUF_SIZE

◆ ETH_TX_BUF_SIZE

◆ MII_ANAR_100_FD

◆ MII_ANAR_10_FD

◆ MII_BMCR

◆ MII_BMCR_ANEG_EN

◆ MII_BMCR_ANEG_RST

◆ MII_BMCR_RST

◆ MII_BMSR

◆ MII_BMSR_ANEGACK

◆ MII_BMSR_LINK

◆ MII_LPAR

◆ MII_PHYIDR1

◆ MII_PHYIDR2

◆ PHY_ADDR

◆ PHY_MDC_Hz

◆ PHY_RETRIES

Typedef Documentation

◆ bfin_emac_regs_t

◆ ethernet_data_t

Function Documentation

◆ __attribute__()

◆ bfin_EMAC_init()

◆ bfin_EMAC_recv()

◆ bfin_EMAC_send()

◆ COMPILETIME_ASSERT() [1/12]

◆ COMPILETIME_ASSERT() [2/12]

◆ COMPILETIME_ASSERT() [3/12]

◆ COMPILETIME_ASSERT() [4/12]

◆ COMPILETIME_ASSERT() [5/12]

◆ COMPILETIME_ASSERT() [6/12]

◆ COMPILETIME_ASSERT() [7/12]

◆ COMPILETIME_ASSERT() [8/12]

◆ COMPILETIME_ASSERT() [9/12]

◆ COMPILETIME_ASSERT() [10/12]

◆ COMPILETIME_ASSERT() [11/12]

◆ COMPILETIME_ASSERT() [12/12]

◆ lw_emac_init_registers()

◆ lw_emac_read_phy_reg()

◆ lw_emac_set_mac_addr()

◆ lw_emac_write_phy_reg()

Variable Documentation

◆ pEth

◆ rxIdx

◆ txIdx

◆ attribute()