ppc8xx.h

开放源码实时操作系统源码.

    unsigned short	nosec;		/* Rx noise counter */
    unsigned short	brkec;		/* Rx break character counter */
    unsigned short	brkln;		/* Reaceive break length */

    unsigned short	uaddr1;		/* address character 1 */
    unsigned short	uaddr2;		/* address character 2 */
    unsigned short	rtemp;		/* temp storage */
    unsigned short	toseq;		/* Tx out of sequence char */
    unsigned short	cc[8];		/* Rx control characters */
    unsigned short	rccm;		/* Rx control char mask */
    unsigned short	rccr;		/* Rx control char register */
    unsigned short	rlbc;		/* Receive last break char */
};



/*****************************************************************
	BISYNC parameter RAM
*****************************************************************/

struct bisync_pram {
    /*
     * SCC parameter RAM
     */
    unsigned short	rbase;		/* RX BD base address */
    unsigned short	tbase;		/* TX BD base address */
    unsigned char	rfcr;		/* Rx function code */
    unsigned char	tfcr;		/* Tx function code */
    unsigned short	mrblr;		/* Rx buffer length */
    unsigned long	rstate;		/* Rx internal state */
    unsigned long	rptr;		/* Rx internal data pointer */
    unsigned short	rbptr;		/* rb BD Pointer */
    unsigned short	rcount;		/* Rx internal byte count */
    unsigned long	rtemp;		/* Rx temp */
    unsigned long	tstate;		/* Tx internal state */
    unsigned long	tptr;		/* Tx internal data pointer */
    unsigned short	tbptr;		/* Tx BD pointer */
    unsigned short	tcount;		/* Tx byte count */
    unsigned long	ttemp;		/* Tx temp */
    unsigned long	rcrc;		/* temp receive CRC */
    unsigned long	tcrc;		/* temp transmit CRC */

    /*
     * BISYNC specific parameter RAM
     */
    unsigned char	RSRVD1[4];	
    unsigned long	crcc;		/* CRC Constant Temp Value */
    unsigned short	prcrc;		/* Preset Receiver CRC-16/LRC */
    unsigned short	ptcrc;		/* Preset Transmitter CRC-16/LRC */
    unsigned short	parec;		/* Receive Parity Error Counter */
    unsigned short	bsync;		/* BISYNC SYNC Character */
    unsigned short	bdle;		/* BISYNC DLE Character */
    unsigned short	cc[8];		/* Rx control characters */
    unsigned short	rccm;		/* Receive Control Character Mask */
};

/*****************************************************************
	IOM2 parameter RAM
	(overlaid on tx bd[5] of SCC channel[2])
*****************************************************************/
struct iom2_pram {
    unsigned short	ci_data;	/* ci data */
    unsigned short	monitor_data;	/* monitor data */
    unsigned short	tstate;		/* transmitter state */
    unsigned short	rstate;		/* receiver state */
};

/*****************************************************************
	SPI/SMC parameter RAM
	(overlaid on tx bd[6,7] of SCC channel[2])
*****************************************************************/

#define	SPI_R	0x8000		/* Ready bit in BD */

struct spi_pram {
    unsigned short	rbase;		/* Rx BD Base Address */
    unsigned short	tbase;		/* Tx BD Base Address */
    unsigned char	rfcr;		/* Rx function code */
    unsigned char	tfcr;		/* Tx function code */
    unsigned short	mrblr;		/* Rx buffer length */
    unsigned long	rstate;		/* Rx internal state */
    unsigned long	rptr;		/* Rx internal data pointer */
    unsigned short	rbptr;		/* rb BD Pointer */
    unsigned short	rcount;		/* Rx internal byte count */
    unsigned long	rtemp;		/* Rx temp */
    unsigned long	tstate;		/* Tx internal state */
    unsigned long	tptr;		/* Tx internal data pointer */
    unsigned short	tbptr;		/* Tx BD pointer */
    unsigned short	tcount;		/* Tx byte count */
    unsigned long	ttemp[2];	/* Tx temp */
    unsigned short	rpbase;		/* Relocated param block pointer */
    unsigned short	res;		/* unused */
};

struct smc_uart_pram {
    unsigned short	rbase;		/* Rx BD Base Address */
    unsigned short	tbase;		/* Tx BD Base Address */
    unsigned char	rfcr;		/* Rx function code */
    unsigned char	tfcr;		/* Tx function code */
    unsigned short	mrblr;		/* Rx buffer length */
    unsigned long	rstate;		/* Rx internal state */
    unsigned long	rptr;		/* Rx internal data pointer */
    unsigned short	rbptr;		/* rb BD Pointer */
    unsigned short	rcount;		/* Rx internal byte count */
    unsigned long	rtemp;		/* Rx temp */
    unsigned long	tstate;		/* Tx internal state */
    unsigned long	tptr;		/* Tx internal data pointer */
    unsigned short	tbptr;		/* Tx BD pointer */
    unsigned short	tcount;		/* Tx byte count */
    unsigned long	ttemp;		/* Tx temp */
    unsigned short	max_idl;	/* Maximum IDLE Characters */
    unsigned short	idlc;		/* Temporary IDLE Counter */
    unsigned short	brkln;		/* Last Rx Break Length */
    unsigned short	brkec;		/* Rx Break Condition Counter */
    unsigned short	brkcr;		/* Break Count Register (Tx) */
    unsigned short	r_mask;		/* Temporary bit mask */
};

struct smc_trnsp_pram {
    unsigned short	rbase;		/* Rx BD Base Address */
    unsigned short	tbase;		/* Tx BD Base Address */
    unsigned char	rfcr;		/* Rx function code */
    unsigned char	tfcr;		/* Tx function code */
    unsigned short	mrblr;		/* Rx buffer length */
    unsigned long	rstate;		/* Rx internal state */
    unsigned long	rptr;		/* Rx internal data pointer */
    unsigned short	rbptr;		/* rb BD Pointer */
    unsigned short	rcount;		/* Rx internal byte count */
    unsigned long	rtemp;		/* Rx temp */
    unsigned long	tstate;		/* Tx internal state */
    unsigned long	tptr;		/* Tx internal data pointer */
    unsigned short	tbptr;		/* Tx BD pointer */
    unsigned short	tcount;		/* Tx byte count */
    unsigned long	ttemp;		/* Tx temp */
    unsigned short	RSRVD[5];	/* RSRVD */
};

struct centronics_pram {
    unsigned short	rbase;		/* Rx BD Base Address */
    unsigned short	tbase;		/* Tx BD Base Address */
    unsigned char	fcr;		/* function code */
    unsigned char	smask;		/* Status Mask */
    unsigned short	mrblr;		/* Rx buffer length */
    unsigned long	rstate;		/* Rx internal state */
    unsigned long	rptr;		/* Rx internal data pointer */
    unsigned short	rbptr;		/* rb BD Pointer */
    unsigned short	rcount;		/* Rx internal byte count */
    unsigned long	rtemp;		/* Rx temp */
    unsigned long	tstate;		/* Tx internal state */
    unsigned long	tptr;		/* Tx internal data pointer */
    unsigned short	tbptr;		/* Tx BD pointer */
    unsigned short	tcount;		/* Tx byte count */
    unsigned long	ttemp;		/* Tx temp */
    unsigned short	max_sl;		/* Maximum Silence period */
    unsigned short	sl_cnt;		/* Silence Counter */
    unsigned short	char1;		/* CONTROL char 1 */
    unsigned short	char2;		/* CONTROL char 2 */
    unsigned short	char3;		/* CONTROL char 3 */
    unsigned short	char4;		/* CONTROL char 4 */
    unsigned short	char5;		/* CONTROL char 5 */
    unsigned short	char6;		/* CONTROL char 6 */
    unsigned short	char7;		/* CONTROL char 7 */
    unsigned short	char8;		/* CONTROL char 8 */
    unsigned short	rccm;		/* Rx Control Char Mask */
    unsigned short	rccr;		/* Rx Char Control Register */
};

struct idma_pram {
    unsigned short	ibase;		/* IDMA BD Base Address */
    unsigned short	ibptr;		/* IDMA buffer descriptor pointer */
    unsigned long	istate;		/* IDMA internal state */
    unsigned long	itemp;		/* IDMA temp */
};

struct ethernet_pram {
    /*
     * SCC parameter RAM
     */
    unsigned short	rbase;		/* RX BD base address */
    unsigned short	tbase;		/* TX BD base address */
    unsigned char	rfcr;		/* Rx function code */
    unsigned char	tfcr;		/* Tx function code */
    unsigned short	mrblr;		/* Rx buffer length */
    unsigned long	rstate;		/* Rx internal state */
    unsigned long	rptr;		/* Rx internal data pointer */
    unsigned short	rbptr;		/* rb BD Pointer */
    unsigned short	rcount;		/* Rx internal byte count */
    unsigned long	rtemp;		/* Rx temp */
    unsigned long	tstate;		/* Tx internal state */
    unsigned long	tptr;		/* Tx internal data pointer */
    unsigned short	tbptr;		/* Tx BD pointer */
    unsigned short	tcount;		/* Tx byte count */
    unsigned long	ttemp;		/* Tx temp */
    unsigned long	rcrc;		/* temp receive CRC */
    unsigned long	tcrc;		/* temp transmit CRC */

    /*
     * ETHERNET specific parameter RAM
     */
    unsigned long	c_pres;		/* preset CRC */
    unsigned long	c_mask;		/* constant mask for CRC */
    unsigned long	crcec;		/* CRC error counter */
    unsigned long	alec;		/* alighnment error counter */
    unsigned long	disfc;		/* discard frame counter */
    unsigned short	pads;		/* short frame PAD characters */
    unsigned short	ret_lim;	/* retry limit threshold */
    unsigned short	ret_cnt;	/* retry limit counter */
    unsigned short	mflr;		/* maximum frame length reg */
    unsigned short	minflr;		/* minimum frame length reg */
    unsigned short	maxd1;		/* maximum DMA1 length reg */
    unsigned short	maxd2;		/* maximum DMA2 length reg */
    unsigned short	maxd;		/* rx max DMA */
    unsigned short	dma_cnt;	/* rx dma counter */
    unsigned short	max_b;		/* max bd byte count */
    unsigned short	gaddr1;		/* group address filter 1 */
    unsigned short	gaddr2;		/* group address filter 2 */
    unsigned short	gaddr3;		/* group address filter 3 */
    unsigned short	gaddr4;		/* group address filter 4 */
    unsigned long	tbuf0_data0;	/* save area 0 - current frm */
    unsigned long	tbuf0_data1;	/* save area 1 - current frm */
    unsigned long	tbuf0_rba0;
    unsigned long	tbuf0_crc;
    unsigned short	tbuf0_bcnt;
    unsigned short	paddr_h;	/* physical address (MSB) */
    unsigned short	paddr_m;	/* physical address */
    unsigned short	paddr_l;	/* physical address (LSB) */
    unsigned short	p_per;		/* persistence */
    unsigned short	rfbd_ptr;	/* rx first bd pointer */
    unsigned short	tfbd_ptr;	/* tx first bd pointer */
    unsigned short	tlbd_ptr;	/* tx last bd pointer */
    unsigned long	tbuf1_data0;	/* save area 0 - next frame */
    unsigned long	tbuf1_data1;	/* save area 1 - next frame */
    unsigned long	tbuf1_rba0;
    unsigned long	tbuf1_crc;
    unsigned short	tbuf1_bcnt;
    unsigned short	tx_len;		/* tx frame length counter */
    unsigned short	iaddr1;		/* individual address filter 1*/
    unsigned short	iaddr2;		/* individual address filter 2*/
    unsigned short	iaddr3;		/* individual address filter 3*/
    unsigned short	iaddr4;		/* individual address filter 4*/
    unsigned short	boff_cnt;	/* back-off counter */
    unsigned short	taddr_h;	/* temp address (MSB) */
    unsigned short	taddr_m;	/* temp address */
    unsigned short	taddr_l;	/* temp address (LSB) */
};

struct transparent_pram {
    /*
     * SCC parameter RAM
     */
    unsigned short	rbase;		/* RX BD base address */
    unsigned short	tbase;		/* TX BD base address */
    unsigned char	rfcr;		/* Rx function code */
    unsigned char	tfcr;		/* Tx function code */
    unsigned short	mrblr;		/* Rx buffer length */
    unsigned long	rstate;		/* Rx internal state */
    unsigned long	rptr;		/* Rx internal data pointer */
    unsigned short	rbptr;		/* rb BD Pointer */
    unsigned short	rcount;		/* Rx internal byte count */
    unsigned long	rtemp;		/* Rx temp */
    unsigned long	tstate;		/* Tx internal state */