📄 dspi.h

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/* * MCF5227x Internal Memory Map * * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */#ifndef __DSPI_H__#define __DSPI_H__/********************************************************************** DMA Serial Peripheral Interface (DSPI)*********************************************************************/typedef struct dspi {	u32 dmcr;	u8 resv0[0x4];	u32 dtcr;	u32 dctar0;	u32 dctar1;	u32 dctar2;	u32 dctar3;	u32 dctar4;	u32 dctar5;	u32 dctar6;	u32 dctar7;	u32 dsr;	u32 dirsr;	u32 dtfr;	u32 drfr;	u32 dtfdr0;	u32 dtfdr1;	u32 dtfdr2;	u32 dtfdr3;	u8 resv1[0x30];	u32 drfdr0;	u32 drfdr1;	u32 drfdr2;	u32 drfdr3;} dspi_t;/* Bit definitions and macros for DMCR */#define DSPI_DMCR_HALT			(0x00000001)#define DSPI_DMCR_SMPL_PT(x)		(((x)&0x00000003)<<8)#define DSPI_DMCR_CRXF			(0x00000400)#define DSPI_DMCR_CTXF			(0x00000800)#define DSPI_DMCR_DRXF			(0x00001000)#define DSPI_DMCR_DTXF			(0x00002000)#define DSPI_DMCR_MDIS			(0x00004000)#define DSPI_DMCR_CSIS0			(0x00010000)#define DSPI_DMCR_CSIS1			(0x00020000)#define DSPI_DMCR_CSIS2			(0x00040000)#define DSPI_DMCR_CSIS3			(0x00080000)#define DSPI_DMCR_CSIS4			(0x00100000)#define DSPI_DMCR_CSIS5			(0x00200000)#define DSPI_DMCR_CSIS6			(0x00400000)#define DSPI_DMCR_CSIS7			(0x00800000)#define DSPI_DMCR_ROOE			(0x01000000)#define DSPI_DMCR_PCSSE			(0x02000000)#define DSPI_DMCR_MTFE			(0x04000000)#define DSPI_DMCR_FRZ			(0x08000000)#define DSPI_DMCR_DCONF(x)		(((x)&0x00000003)<<28)#define DSPI_DMCR_CSCK			(0x40000000)#define DSPI_DMCR_MSTR			(0x80000000)/* Bit definitions and macros for DTCR */#define DSPI_DTCR_SPI_TCNT(x)		(((x)&0x0000FFFF)<<16)/* Bit definitions and macros for DCTAR group */#define DSPI_DCTAR_BR(x)		(((x)&0x0000000F))#define DSPI_DCTAR_DT(x)		(((x)&0x0000000F)<<4)#define DSPI_DCTAR_ASC(x)		(((x)&0x0000000F)<<8)#define DSPI_DCTAR_CSSCK(x)		(((x)&0x0000000F)<<12)#define DSPI_DCTAR_PBR(x)		(((x)&0x00000003)<<16)#define DSPI_DCTAR_PDT(x)		(((x)&0x00000003)<<18)#define DSPI_DCTAR_PASC(x)		(((x)&0x00000003)<<20)#define DSPI_DCTAR_PCSSCK(x)		(((x)&0x00000003)<<22)#define DSPI_DCTAR_LSBFE		(0x01000000)#define DSPI_DCTAR_CPHA			(0x02000000)#define DSPI_DCTAR_CPOL			(0x04000000)#define DSPI_DCTAR_TRSZ(x)		(((x)&0x0000000F)<<27)#define DSPI_DCTAR_DBR			(0x80000000)#define DSPI_DCTAR_PCSSCK_1CLK		(0x00000000)#define DSPI_DCTAR_PCSSCK_3CLK		(0x00400000)#define DSPI_DCTAR_PCSSCK_5CLK		(0x00800000)#define DSPI_DCTAR_PCSSCK_7CLK		(0x00A00000)#define DSPI_DCTAR_PASC_1CLK		(0x00000000)#define DSPI_DCTAR_PASC_3CLK		(0x00100000)#define DSPI_DCTAR_PASC_5CLK		(0x00200000)#define DSPI_DCTAR_PASC_7CLK		(0x00300000)#define DSPI_DCTAR_PDT_1CLK		(0x00000000)#define DSPI_DCTAR_PDT_3CLK		(0x00040000)#define DSPI_DCTAR_PDT_5CLK		(0x00080000)#define DSPI_DCTAR_PDT_7CLK		(0x000A0000)#define DSPI_DCTAR_PBR_1CLK		(0x00000000)#define DSPI_DCTAR_PBR_3CLK		(0x00010000)#define DSPI_DCTAR_PBR_5CLK		(0x00020000)#define DSPI_DCTAR_PBR_7CLK		(0x00030000)/* Bit definitions and macros for DSR */#define DSPI_DSR_RXPTR(x)		(((x)&0x0000000F))#define DSPI_DSR_RXCTR(x)		(((x)&0x0000000F)<<4)#define DSPI_DSR_TXPTR(x)		(((x)&0x0000000F)<<8)#define DSPI_DSR_TXCTR(x)		(((x)&0x0000000F)<<12)#define DSPI_DSR_RFDF			(0x00020000)#define DSPI_DSR_RFOF			(0x00080000)#define DSPI_DSR_TFFF			(0x02000000)#define DSPI_DSR_TFUF			(0x08000000)#define DSPI_DSR_EOQF			(0x10000000)#define DSPI_DSR_TXRXS			(0x40000000)#define DSPI_DSR_TCF			(0x80000000)/* Bit definitions and macros for DIRSR */#define DSPI_DIRSR_RFDFS		(0x00010000)#define DSPI_DIRSR_RFDFE		(0x00020000)#define DSPI_DIRSR_RFOFE		(0x00080000)#define DSPI_DIRSR_TFFFS		(0x01000000)#define DSPI_DIRSR_TFFFE		(0x02000000)#define DSPI_DIRSR_TFUFE		(0x08000000)#define DSPI_DIRSR_EOQFE		(0x10000000)#define DSPI_DIRSR_TCFE			(0x80000000)/* Bit definitions and macros for DTFR */#define DSPI_DTFR_TXDATA(x)		(((x)&0x0000FFFF))#define DSPI_DTFR_CS0			(0x00010000)#define DSPI_DTFR_CS2			(0x00040000)#define DSPI_DTFR_CS3			(0x00080000)#define DSPI_DTFR_CS5			(0x00200000)#define DSPI_DTFR_CTCNT			(0x04000000)#define DSPI_DTFR_EOQ			(0x08000000)#define DSPI_DTFR_CTAS(x)		(((x)&0x00000007)<<28)#define DSPI_DTFR_CONT			(0x80000000)/* Bit definitions and macros for DRFR */#define DSPI_DRFR_RXDATA(x)		(((x)&0x0000FFFF))/* Bit definitions and macros for DTFDR group */#define DSPI_DTFDR_TXDATA(x)		(((x)&0x0000FFFF))#define DSPI_DTFDR_TXCMD(x)		(((x)&0x0000FFFF)<<16)/* Bit definitions and macros for DRFDR group */#define DSPI_DRFDR_RXDATA(x)		(((x)&0x0000FFFF))void dspi_init(void);void dspi_tx(int chipsel, u8 attrib, u16 data);u16 dspi_rx(void);#endif				/* __DSPI_H__ */
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