emac_sl2312.h

某个ARM9板子的实际bootloader 对裁剪

/****************************************************************************
* Copyright  Storlink Corp 2005.  All rights reserved.                
*--------------------------------------------------------------------------
* Name			: emac_sl2312.h
* Description	: 
*		Define for device driver of Storlink SL2312 Chip
*
* History
*
*	Date		Writer		Description
*	-----------	-----------	-------------------------------------------------
*	04/25/2005	Gary Chen	Create and implement from Jason's Redboot code
*
****************************************************************************/
#ifndef _EMAC_SL2312_H
#define _EMAC_SL2312_H

#define EMAC_STATISTICS		1

typedef unsigned int		dma_addr_t;
#define ETHER_ADDR_LEN		6
#define BIG_ENDIAN  		0

/* define chip information */
#define DRV_NAME			"SL2312"
#define DRV_VERSION			"0.1.1"
#define SL2312_DRIVER_NAME  DRV_NAME " Fast Ethernet driver " DRV_VERSION

#define TX_DESC_NUM			16
#define RX_DESC_NUM			16
#define RX_BUF_NUM			(RX_DESC_NUM * 1)

#define MAX_ETH_FRAME_SIZE	1536

#undef TX_DESC_NUM
#undef RX_DESC_NUM
#define BUF_COUNT					512
#define TX_DESC_NUM           		(BUF_COUNT)
#define RX_DESC_NUM					(BUF_COUNT)
#define EMAC_BUF_SIZE				(RX_DESC_NUM * MAX_ETH_FRAME_SIZE)


/* define TX/RX descriptor parameter */
#define TX_BUF_SIZE			MAX_ETH_FRAME_SIZE
#define TX_BUF_TOT_LEN		(TX_BUF_SIZE * TX_DESC_NUM)
#define RX_BUF_SIZE			MAX_ETH_FRAME_SIZE
#define RX_BUF_TOT_LEN		(RX_BUF_SIZE * RX_BUF_NUM)

/* define EMAC base address */
#define EMAC_BASE_ADDR		(SL2312_EMAC_BASE)

/* define owner bit */
#define CPU					0
#define DMA					1

/* define PHY address */
#define PHY_ADDR    		0x01

#define ADM_EECS			0x01
#define ADM_EECK			0x02
#define ADM_EDIO			0x04

#define LDN_GPIO			0x07
#define LPC_BASE_ADDR		SL2312_LPC_IO_BASE
#define IT8712_GPIO_BASE	0x800	// 0x800-0x804 for GPIO set1-set5
#define BASE_OFF			0x03

/***************************************/
/* the offset address of EMAC register */
/***************************************/
enum EMAC_REGISTER {
	EMAC_STA_ADD0 	= 0x0000,
	EMAC_STA_ADD1	= 0x0004,
	EMAC_STA_ADD2	= 0x0008,
	EMAC_RX_FLTR	= 0x000c,
	EMAC_MCAST_FIL0 = 0x0010,
	EMAC_MCAST_FIL1 = 0x0014,
	EMAC_CONFIG0	= 0x0018,
	EMAC_CONFIG1	= 0x001c,
	EMAC_CONFIG2	= 0x0020,
	EMAC_BNCR		= 0x0024,
	EMAC_RBNR		= 0x0028,
	EMAC_STATUS		= 0x002c,
	EMAC_IN_DISCARDS= 0x0030,
	EMAC_IN_ERRORS  = 0x0034
};		

/*******************************************/
/* the offset address of EMAC DMA register */
/*******************************************/
enum EMAC_DMA_REGISTER {
	EMAC_DMA_DEVICE_ID		= 0xff00,
	EMAC_DMA_STATUS			= 0xff04,
	EMAC_TXDMA_CTRL 	 	= 0xff08,
	EMAC_TXDMA_FIRST_DESC 	= 0xff0c,
	EMAC_TXDMA_CURR_DESC	= 0xff10,
	EMAC_RXDMA_CTRL			= 0xff14,
	EMAC_RXDMA_FIRST_DESC	= 0xff18,
	EMAC_RXDMA_CURR_DESC	= 0xff1c,
};

/*******************************************/
/* the register structure of EMAC          */
/*******************************************/
typedef union
{
	unsigned int bits32;
	struct bit1_0004
	{
#if (BIG_ENDIAN==1) 	    
		unsigned int sta_add2_l16	: 16;	/* station MAC address2 bits 15 to 0 */
		unsigned int sta_add1_h16	: 16;	/* station MAC address1 bits 47 to 32 */
#else
		unsigned int sta_add1_h16	: 16;	/* station MAC address1 bits 47 to 32 */
		unsigned int sta_add2_l16	: 16;	/* station MAC address2 bits 15 to 0 */
#endif		
	} bits;
} EMAC_STA_ADD1_T;		

typedef union
{
	unsigned int bits32;
	struct bit1_000c
	{
#if (BIG_ENDIAN==1) 	    
		unsigned int 				: 27;
		unsigned int error			:  1;	/* enable receive of all error frames */
		unsigned int promiscuous	:  1;   /* enable receive of all frames */
		unsigned int broadcast		:  1;	/* enable receive of broadcast frames */
		unsigned int multicast		:  1;	/* enable receive of multicast frames that pass multicast filter */
		unsigned int unicast		:  1;	/* enable receive of unicast frames that are sent to STA address */
#else
		unsigned int unicast		:  1;	/* enable receive of unicast frames that are sent to STA address */
		unsigned int multicast		:  1;	/* enable receive of multicast frames that pass multicast filter */
		unsigned int broadcast		:  1;	/* enable receive of broadcast frames */
		unsigned int promiscuous	:  1;   /* enable receive of all frames */
		unsigned int error			:  1;	/* enable receive of all error frames */
		unsigned int 				: 27;
#endif
	} bits;
} EMAC_RX_FLTR_T;

typedef union
{
	unsigned int bits32;
	struct bit1_0018
	{
#if (BIG_ENDIAN==1) 	    
		unsigned int 				: 19;
		unsigned int sim_test		:  1;	/* speed up timers in simulation */
		unsigned int dis_col		:  1;	/* disable 16 collisions abort function */
		unsigned int dis_bkoff		:  1;	/* disable back-off function */
		unsigned int max_len		:  2;	/* maximum receive frame length allowed */
		unsigned int adj_ifg		:  4;	/* adjust IFG from 96+/-56 */
		unsigned int fc_en			:  1;	/* flow control enable */
		unsigned int loop_back		:  1;	/* transmit data loopback enable */
		unsigned int dis_rx			:  1;	/* disable receive */
		unsigned int dis_tx			:  1;	/* disable transmit */
#else
		unsigned int dis_tx			:  1;	/* disable transmit */
		unsigned int dis_rx			:  1;	/* disable receive */
		unsigned int loop_back		:  1;	/* transmit data loopback enable */
		unsigned int fc_en			:  1;	/* flow control enable */
		unsigned int adj_ifg		:  4;	/* adjust IFG from 96+/-56 */
		unsigned int max_len		:  2;	/* maximum receive frame length allowed */
		unsigned int dis_bkoff		:  1;	/* disable back-off function */
		unsigned int dis_col		:  1;	/* disable 16 collisions abort function */
		unsigned int sim_test		:  1;	/* speed up timers in simulation */
		unsigned int 				: 19;
#endif
	} bits;
} EMAC_CONFIG0_T;		

typedef union
{
	unsigned int bits32;
	struct bit1_001c
	{
#if (BIG_ENDIAN==1) 	    
		unsigned int 				: 28;
		unsigned int buf_size		:  4; 	/* per packet buffer size */
#else
		unsigned int buf_size		:  4; 	/* per packet buffer size */
		unsigned int 				: 28;
#endif
	} bits;
} EMAC_CONFIG1_T;

typedef union
{
	unsigned int bits32;
	struct bit1_0020
	{
#if (BIG_ENDIAN==1) 	    
		unsigned int rel_threshold	: 16;	/* flow control release threshold */
		unsigned int set_threshold	: 16; 	/* flow control set threshold */
#else
		unsigned int set_threshold	: 16; 	/* flow control set threshold */
		unsigned int rel_threshold	: 16;	/* flow control release threshold */
#endif
	} bits;
} EMAC_CONFIG2_T;

typedef union
{
	unsigned int bits32;
	struct bit1_0024
	{
#if (BIG_ENDIAN==1) 	    
		unsigned int 				: 16;
		unsigned int buf_num		: 16; 	/* return buffer number from software */
#else
		unsigned int buf_num		: 16; 	/* return buffer number from software */
		unsigned int 				: 16;
#endif
	} bits;
} EMAC_BNCR_T;

typedef union
{
	unsigned int bits32;
	struct bit1_0028
	{
#if (BIG_ENDIAN==1) 	    
		unsigned int				: 16;
		unsigned int buf_remain		: 16;	/* remaining buffer number */
#else
		unsigned int buf_remain		: 16;	/* remaining buffer number */
		unsigned int				: 16;
#endif
	} bits;
} EMAC_RBNR_T;

typedef union
{
	unsigned int bits32;
	struct bit1_002c
	{
#if (BIG_ENDIAN==1) 	    
		unsigned int 				: 27;
		unsigned int phy_mode		:  1;	/* PHY interface mode in 10M-bps */
		unsigned int mii_rmii		:  1;   /* PHY interface type */
		unsigned int duplex			:  1;	/* duplex mode */
		unsigned int speed			:  1;	/* link speed */
		unsigned int link			:  1;	/* link status */
#else
		unsigned int link			:  1;	/* link status */
		unsigned int speed			:  1;	/* link speed */
		unsigned int duplex			:  1;	/* duplex mode */
		unsigned int mii_rmii		:  1;   /* PHY interface type */
		unsigned int phy_mode		:  1;	/* PHY interface mode in 10M-bps */
		unsigned int 				: 27;
#endif
	} bits;
} EMAC_STATUS_T;

		
typedef union
{
	unsigned int bits32;
	struct bit1_009
	{
#if (BIG_ENDIAN==1) 	    
		unsigned int 				: 10;
		unsigned int tx_fail		:  1; 	/* Tx fail interrupt */
		unsigned int cnt_full		:  1;	/* MIB counters half full interrupt */
		unsigned int rx_pause_on	:  1;	/* received pause on frame interrupt */
		unsigned int tx_pause_on	:  1;	/* transmit pause on frame interrupt */	 
		unsigned int rx_pause_off   :  1;	/* received pause off frame interrupt */
		unsigned int tx_pause_off	:  1;	/* received pause off frame interrupt */
		unsigned int rx_overrun		:  1;   /* EMAC Rx FIFO overrun interrupt */
		unsigned int tx_underrun	:  1;	/* EMAC Tx FIFO underrun interrupt */
		unsigned int				:  6;
		unsigned int m_tx_fail 		:  1;	/* Tx fail interrupt mask */
		unsigned int m_cnt_full		:  1;	/* MIB counters half full interrupt mask */
		unsigned int m_rx_pause_on	:  1;	/* received pause on frame interrupt mask */
		unsigned int m_tx_pause_on  :  1;	/* transmit pause on frame interrupt mask */
		unsigned int m_rx_pause_off :  1;	/* received pause off frame interrupt mask */
		unsigned int m_tx_pause_off	:  1;	/* received pause off frame interrupt mask */
		unsigned int m_rx_overrun	:  1;   /* EMAC Rx FIFO overrun interrupt mask */
		unsigned int m_tx_underrun	:  1;	/* EMAC Tx FIFO underrun interrupt mask */
#else
		unsigned int m_tx_underrun	:  1;	/* EMAC Tx FIFO underrun interrupt mask */
		unsigned int m_rx_overrun	:  1;   /* EMAC Rx FIFO overrun interrupt mask */
		unsigned int m_tx_pause_off	:  1;	/* received pause off frame interrupt mask */
		unsigned int m_rx_pause_off :  1;	/* received pause off frame interrupt mask */
		unsigned int m_tx_pause_on  :  1;	/* transmit pause on frame interrupt mask */