cpm_8260.h

一个非常有用的SPI驱动程序,是在LINUX平台下的,但也可以一直到其他平台

#define SCC_GSMRL_TSNC_3	((uint)0x0c000000)
#define SCC_GSMRL_TSNC_4	((uint)0x08000000)
#define SCC_GSMRL_TSNC_14	((uint)0x04000000)
#define SCC_GSMRL_TSNC_INF	((uint)0x00000000)
#define SCC_GSMRL_RINV		((uint)0x02000000)
#define SCC_GSMRL_TINV		((uint)0x01000000)
#define SCC_GSMRL_TPL_128	((uint)0x00c00000)
#define SCC_GSMRL_TPL_64	((uint)0x00a00000)
#define SCC_GSMRL_TPL_48	((uint)0x00800000)
#define SCC_GSMRL_TPL_32	((uint)0x00600000)
#define SCC_GSMRL_TPL_16	((uint)0x00400000)
#define SCC_GSMRL_TPL_8		((uint)0x00200000)
#define SCC_GSMRL_TPL_NONE	((uint)0x00000000)
#define SCC_GSMRL_TPP_ALL1	((uint)0x00180000)
#define SCC_GSMRL_TPP_01	((uint)0x00100000)
#define SCC_GSMRL_TPP_10	((uint)0x00080000)
#define SCC_GSMRL_TPP_ZEROS	((uint)0x00000000)
#define SCC_GSMRL_TEND		((uint)0x00040000)
#define SCC_GSMRL_TDCR_32	((uint)0x00030000)
#define SCC_GSMRL_TDCR_16	((uint)0x00020000)
#define SCC_GSMRL_TDCR_8	((uint)0x00010000)
#define SCC_GSMRL_TDCR_1	((uint)0x00000000)
#define SCC_GSMRL_RDCR_32	((uint)0x0000c000)
#define SCC_GSMRL_RDCR_16	((uint)0x00008000)
#define SCC_GSMRL_RDCR_8	((uint)0x00004000)
#define SCC_GSMRL_RDCR_1	((uint)0x00000000)
#define SCC_GSMRL_RENC_DFMAN	((uint)0x00003000)
#define SCC_GSMRL_RENC_MANCH	((uint)0x00002000)
#define SCC_GSMRL_RENC_FM0	((uint)0x00001000)
#define SCC_GSMRL_RENC_NRZI	((uint)0x00000800)
#define SCC_GSMRL_RENC_NRZ	((uint)0x00000000)
#define SCC_GSMRL_TENC_DFMAN	((uint)0x00000600)
#define SCC_GSMRL_TENC_MANCH	((uint)0x00000400)
#define SCC_GSMRL_TENC_FM0	((uint)0x00000200)
#define SCC_GSMRL_TENC_NRZI	((uint)0x00000100)
#define SCC_GSMRL_TENC_NRZ	((uint)0x00000000)
#define SCC_GSMRL_DIAG_LE	((uint)0x000000c0)	/* Loop and echo */
#define SCC_GSMRL_DIAG_ECHO	((uint)0x00000080)
#define SCC_GSMRL_DIAG_LOOP	((uint)0x00000040)
#define SCC_GSMRL_DIAG_NORM	((uint)0x00000000)
#define SCC_GSMRL_ENR		((uint)0x00000020)
#define SCC_GSMRL_ENT		((uint)0x00000010)
#define SCC_GSMRL_MODE_ENET	((uint)0x0000000c)
#define SCC_GSMRL_MODE_DDCMP	((uint)0x00000009)
#define SCC_GSMRL_MODE_BISYNC	((uint)0x00000008)
#define SCC_GSMRL_MODE_V14	((uint)0x00000007)
#define SCC_GSMRL_MODE_AHDLC	((uint)0x00000006)
#define SCC_GSMRL_MODE_PROFIBUS	((uint)0x00000005)
#define SCC_GSMRL_MODE_UART	((uint)0x00000004)
#define SCC_GSMRL_MODE_SS7	((uint)0x00000003)
#define SCC_GSMRL_MODE_ATALK	((uint)0x00000002)
#define SCC_GSMRL_MODE_HDLC	((uint)0x00000000)

#define SCC_TODR_TOD		((ushort)0x8000)

/* SCC Event and Mask register.
*/
#define	SCCM_TXE	((unsigned char)0x10)
#define	SCCM_BSY	((unsigned char)0x04)
#define	SCCM_TX		((unsigned char)0x02)
#define	SCCM_RX		((unsigned char)0x01)

typedef struct scc_param {
	ushort	scc_rbase;	/* Rx Buffer descriptor base address */
	ushort	scc_tbase;	/* Tx Buffer descriptor base address */
	u_char	scc_rfcr;	/* Rx function code */
	u_char	scc_tfcr;	/* Tx function code */
	ushort	scc_mrblr;	/* Max receive buffer length */
	uint	scc_rstate;	/* Internal */
	uint	scc_idp;	/* Internal */
	ushort	scc_rbptr;	/* Internal */
	ushort	scc_ibc;	/* Internal */
	uint	scc_rxtmp;	/* Internal */
	uint	scc_tstate;	/* Internal */
	uint	scc_tdp;	/* Internal */
	ushort	scc_tbptr;	/* Internal */
	ushort	scc_tbc;	/* Internal */
	uint	scc_txtmp;	/* Internal */
	uint	scc_rcrc;	/* Internal */
	uint	scc_tcrc;	/* Internal */
} sccp_t;

/* CPM Ethernet through SCC1.
 */
typedef struct scc_enet {
	sccp_t	sen_genscc;
	uint	sen_cpres;	/* Preset CRC */
	uint	sen_cmask;	/* Constant mask for CRC */
	uint	sen_crcec;	/* CRC Error counter */
	uint	sen_alec;	/* alignment error counter */
	uint	sen_disfc;	/* discard frame counter */
	ushort	sen_pads;	/* Tx short frame pad character */
	ushort	sen_retlim;	/* Retry limit threshold */
	ushort	sen_retcnt;	/* Retry limit counter */
	ushort	sen_maxflr;	/* maximum frame length register */
	ushort	sen_minflr;	/* minimum frame length register */
	ushort	sen_maxd1;	/* maximum DMA1 length */
	ushort	sen_maxd2;	/* maximum DMA2 length */
	ushort	sen_maxd;	/* Rx max DMA */
	ushort	sen_dmacnt;	/* Rx DMA counter */
	ushort	sen_maxb;	/* Max BD byte count */
	ushort	sen_gaddr1;	/* Group address filter */
	ushort	sen_gaddr2;
	ushort	sen_gaddr3;
	ushort	sen_gaddr4;
	uint	sen_tbuf0data0;	/* Save area 0 - current frame */
	uint	sen_tbuf0data1;	/* Save area 1 - current frame */
	uint	sen_tbuf0rba;	/* Internal */
	uint	sen_tbuf0crc;	/* Internal */
	ushort	sen_tbuf0bcnt;	/* Internal */
	ushort	sen_paddrh;	/* physical address (MSB) */
	ushort	sen_paddrm;
	ushort	sen_paddrl;	/* physical address (LSB) */
	ushort	sen_pper;	/* persistence */
	ushort	sen_rfbdptr;	/* Rx first BD pointer */
	ushort	sen_tfbdptr;	/* Tx first BD pointer */
	ushort	sen_tlbdptr;	/* Tx last BD pointer */
	uint	sen_tbuf1data0;	/* Save area 0 - current frame */
	uint	sen_tbuf1data1;	/* Save area 1 - current frame */
	uint	sen_tbuf1rba;	/* Internal */
	uint	sen_tbuf1crc;	/* Internal */
	ushort	sen_tbuf1bcnt;	/* Internal */
	ushort	sen_txlen;	/* Tx Frame length counter */
	ushort	sen_iaddr1;	/* Individual address filter */
	ushort	sen_iaddr2;
	ushort	sen_iaddr3;
	ushort	sen_iaddr4;
	ushort	sen_boffcnt;	/* Backoff counter */

	/* NOTE: Some versions of the manual have the following items
	 * incorrectly documented.  Below is the proper order.
	 */
	ushort	sen_taddrh;	/* temp address (MSB) */
	ushort	sen_taddrm;
	ushort	sen_taddrl;	/* temp address (LSB) */
} scc_enet_t;


/* SCC Event register as used by Ethernet.
*/
#define SCCE_ENET_GRA	((ushort)0x0080)	/* Graceful stop complete */
#define SCCE_ENET_TXE	((ushort)0x0010)	/* Transmit Error */
#define SCCE_ENET_RXF	((ushort)0x0008)	/* Full frame received */
#define SCCE_ENET_BSY	((ushort)0x0004)	/* All incoming buffers full */
#define SCCE_ENET_TXB	((ushort)0x0002)	/* A buffer was transmitted */
#define SCCE_ENET_RXB	((ushort)0x0001)	/* A buffer was received */

/* SCC Mode Register (PSMR) as used by Ethernet.
*/
#define SCC_PSMR_HBC	((ushort)0x8000)	/* Enable heartbeat */
#define SCC_PSMR_FC	((ushort)0x4000)	/* Force collision */
#define SCC_PSMR_RSH	((ushort)0x2000)	/* Receive short frames */
#define SCC_PSMR_IAM	((ushort)0x1000)	/* Check individual hash */
#define SCC_PSMR_ENCRC	((ushort)0x0800)	/* Ethernet CRC mode */
#define SCC_PSMR_PRO	((ushort)0x0200)	/* Promiscuous mode */
#define SCC_PSMR_BRO	((ushort)0x0100)	/* Catch broadcast pkts */
#define SCC_PSMR_SBT	((ushort)0x0080)	/* Special backoff timer */
#define SCC_PSMR_LPB	((ushort)0x0040)	/* Set Loopback mode */
#define SCC_PSMR_SIP	((ushort)0x0020)	/* Sample Input Pins */
#define SCC_PSMR_LCW	((ushort)0x0010)	/* Late collision window */
#define SCC_PSMR_NIB22	((ushort)0x000a)	/* Start frame search */
#define SCC_PSMR_FDE	((ushort)0x0001)	/* Full duplex enable */

/* Buffer descriptor control/status used by Ethernet receive.
 * Common to SCC and FCC.
 */
#define BD_ENET_RX_EMPTY	((ushort)0x8000)
#define BD_ENET_RX_WRAP		((ushort)0x2000)
#define BD_ENET_RX_INTR		((ushort)0x1000)
#define BD_ENET_RX_LAST		((ushort)0x0800)
#define BD_ENET_RX_FIRST	((ushort)0x0400)
#define BD_ENET_RX_MISS		((ushort)0x0100)
#define BD_ENET_RX_BC		((ushort)0x0080)	/* FCC Only */
#define BD_ENET_RX_MC		((ushort)0x0040)	/* FCC Only */
#define BD_ENET_RX_LG		((ushort)0x0020)
#define BD_ENET_RX_NO		((ushort)0x0010)
#define BD_ENET_RX_SH		((ushort)0x0008)
#define BD_ENET_RX_CR		((ushort)0x0004)
#define BD_ENET_RX_OV		((ushort)0x0002)
#define BD_ENET_RX_CL		((ushort)0x0001)
#define BD_ENET_RX_STATS	((ushort)0x01ff)	/* All status bits */

/* Buffer descriptor control/status used by Ethernet transmit.
 * Common to SCC and FCC.
 */
#define BD_ENET_TX_READY	((ushort)0x8000)
#define BD_ENET_TX_PAD		((ushort)0x4000)
#define BD_ENET_TX_WRAP		((ushort)0x2000)
#define BD_ENET_TX_INTR		((ushort)0x1000)
#define BD_ENET_TX_LAST		((ushort)0x0800)
#define BD_ENET_TX_TC		((ushort)0x0400)
#define BD_ENET_TX_DEF		((ushort)0x0200)
#define BD_ENET_TX_HB		((ushort)0x0100)
#define BD_ENET_TX_LC		((ushort)0x0080)
#define BD_ENET_TX_RL		((ushort)0x0040)
#define BD_ENET_TX_RCMASK	((ushort)0x003c)
#define BD_ENET_TX_UN		((ushort)0x0002)
#define BD_ENET_TX_CSL		((ushort)0x0001)
#define BD_ENET_TX_STATS	((ushort)0x03ff)	/* All status bits */

/* SCC as UART
*/
typedef struct scc_uart {
	sccp_t	scc_genscc;
	uint	scc_res1;	/* Reserved */
	uint	scc_res2;	/* Reserved */
	ushort	scc_maxidl;	/* Maximum idle chars */
	ushort	scc_idlc;	/* temp idle counter */
	ushort	scc_brkcr;	/* Break count register */
	ushort	scc_parec;	/* receive parity error counter */
	ushort	scc_frmec;	/* receive framing error counter */
	ushort	scc_nosec;	/* receive noise counter */
	ushort	scc_brkec;	/* receive break condition counter */
	ushort	scc_brkln;	/* last received break length */
	ushort	scc_uaddr1;	/* UART address character 1 */
	ushort	scc_uaddr2;	/* UART address character 2 */
	ushort	scc_rtemp;	/* Temp storage */
	ushort	scc_toseq;	/* Transmit out of sequence char */
	ushort	scc_char1;	/* control character 1 */
	ushort	scc_char2;	/* control character 2 */
	ushort	scc_char3;	/* control character 3 */
	ushort	scc_char4;	/* control character 4 */
	ushort	scc_char5;	/* control character 5 */
	ushort	scc_char6;	/* control character 6 */
	ushort	scc_char7;	/* control character 7 */
	ushort	scc_char8;	/* control character 8 */
	ushort	scc_rccm;	/* receive control character mask */
	ushort	scc_rccr;	/* receive control character register */
	ushort	scc_rlbc;	/* receive last break character */
} scc_uart_t;

/* SCC Event and Mask registers when it is used as a UART.
*/
#define UART_SCCM_GLR		((ushort)0x1000)
#define UART_SCCM_GLT		((ushort)0x0800)
#define UART_SCCM_AB		((ushort)0x0200)
#define UART_SCCM_IDL		((ushort)0x0100)
#define UART_SCCM_GRA		((ushort)0x0080)
#define UART_SCCM_BRKE		((ushort)0x0040)
#define UART_SCCM_BRKS		((ushort)0x0020)
#define UART_SCCM_CCR		((ushort)0x0008)
#define UART_SCCM_BSY		((ushort)0x0004)
#define UART_SCCM_TX		((ushort)0x0002)
#define UART_SCCM_RX		((ushort)0x0001)

/* The SCC PMSR when used as a UART.
*/
#define SCU_PMSR_FLC		((ushort)0x8000)
#define SCU_PMSR_SL		((ushort)0x4000)
#define SCU_PMSR_CL		((ushort)0x3000)
#define SCU_PMSR_UM		((ushort)0x0c00)
#define SCU_PMSR_FRZ		((ushort)0x0200)
#define SCU_PMSR_RZS		((ushort)0x0100)
#define SCU_PMSR_SYN		((ushort)0x0080)
#define SCU_PMSR_DRT		((ushort)0x0040)
#define SCU_PMSR_PEN		((ushort)0x0010)
#define SCU_PMSR_RPM		((ushort)0x000c)
#define SCU_PMSR_REVP		((ushort)0x0008)
#define SCU_PMSR_TPM		((ushort)0x0003)
#define SCU_PMSR_TEVP		((ushort)0x0002)//????0x0003

/* CPM Transparent mode SCC.
 */
typedef struct scc_trans {
	sccp_t	st_genscc;
	uint	st_cpres;	/* Preset CRC */
	uint	st_cmask;	/* Constant mask for CRC */
} scc_trans_t;

#define BD_SCC_TX_LAST		((ushort)0x0800)

/* How about some FCCs.....
*/
#define FCC_GFMR_DIAG_NORM	((uint)0x00000000)
#define FCC_GFMR_DIAG_LE	((uint)0x40000000)
#define FCC_GFMR_DIAG_AE	((uint)0x80000000)
#define FCC_GFMR_DIAG_ALE	((uint)0xc0000000)
#define FCC_GFMR_TCI		((uint)0x20000000)