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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* MCF5227x Internal Memory Map
*
* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*/
#ifndef __DSPI_H__
#define __DSPI_H__
/* DMA Serial Peripheral Interface (DSPI) */
typedef struct dspi {
u32 mcr; /* 0x00 */
u32 resv0; /* 0x04 */
u32 tcr; /* 0x08 */
u32 ctar[8]; /* 0x0C - 0x28 */
u32 sr; /* 0x2C */
u32 irsr; /* 0x30 */
u32 tfr; /* 0x34 - PUSHR */
u16 resv1; /* 0x38 */
u16 rfr; /* 0x3A - POPR */
u32 tfdr[16]; /* 0x3C */
u32 rfdr[16]; /* 0x7C */
} dspi_t;
/* Module configuration */
#define DSPI_MCR_MSTR (0x80000000)
#define DSPI_MCR_CSCK (0x40000000)
#define DSPI_MCR_DCONF(x) (((x)&0x03)<<28)
#define DSPI_MCR_FRZ (0x08000000)
#define DSPI_MCR_MTFE (0x04000000)
#define DSPI_MCR_PCSSE (0x02000000)
#define DSPI_MCR_ROOE (0x01000000)
#define DSPI_MCR_CSIS7 (0x00800000)
#define DSPI_MCR_CSIS6 (0x00400000)
#define DSPI_MCR_CSIS5 (0x00200000)
#define DSPI_MCR_CSIS4 (0x00100000)
#define DSPI_MCR_CSIS3 (0x00080000)
#define DSPI_MCR_CSIS2 (0x00040000)
#define DSPI_MCR_CSIS1 (0x00020000)
#define DSPI_MCR_CSIS0 (0x00010000)
#define DSPI_MCR_MDIS (0x00004000)
#define DSPI_MCR_DTXF (0x00002000)
#define DSPI_MCR_DRXF (0x00001000)
#define DSPI_MCR_CTXF (0x00000800)
#define DSPI_MCR_CRXF (0x00000400)
#define DSPI_MCR_SMPL_PT(x) (((x)&0x03)<<8)
#define DSPI_MCR_HALT (0x00000001)
/* Transfer count */
#define DSPI_TCR_SPI_TCNT(x) (((x)&0x0000FFFF)<<16)
/* Clock and transfer attributes */
#define DSPI_CTAR_DBR (0x80000000)
#define DSPI_CTAR_TRSZ(x) (((x)&0x0F)<<27)
#define DSPI_CTAR_CPOL (0x04000000)
#define DSPI_CTAR_CPHA (0x02000000)
#define DSPI_CTAR_LSBFE (0x01000000)
#define DSPI_CTAR_PCSSCK(x) (((x)&0x03)<<22)
#define DSPI_CTAR_PCSSCK_7CLK (0x00A00000)
#define DSPI_CTAR_PCSSCK_5CLK (0x00800000)
#define DSPI_CTAR_PCSSCK_3CLK (0x00400000)
#define DSPI_CTAR_PCSSCK_1CLK (0x00000000)
#define DSPI_CTAR_PASC(x) (((x)&0x03)<<20)
#define DSPI_CTAR_PASC_7CLK (0x00300000)
#define DSPI_CTAR_PASC_5CLK (0x00200000)
#define DSPI_CTAR_PASC_3CLK (0x00100000)
#define DSPI_CTAR_PASC_1CLK (0x00000000)
#define DSPI_CTAR_PDT(x) (((x)&0x03)<<18)
#define DSPI_CTAR_PDT_7CLK (0x000A0000)
#define DSPI_CTAR_PDT_5CLK (0x00080000)
#define DSPI_CTAR_PDT_3CLK (0x00040000)
#define DSPI_CTAR_PDT_1CLK (0x00000000)
#define DSPI_CTAR_PBR(x) (((x)&0x03)<<16)
#define DSPI_CTAR_PBR_7CLK (0x00030000)
#define DSPI_CTAR_PBR_5CLK (0x00020000)
#define DSPI_CTAR_PBR_3CLK (0x00010000)
#define DSPI_CTAR_PBR_1CLK (0x00000000)
#define DSPI_CTAR_CSSCK(x) (((x)&0x0F)<<12)
#define DSPI_CTAR_ASC(x) (((x)&0x0F)<<8)
#define DSPI_CTAR_DT(x) (((x)&0x0F)<<4)
#define DSPI_CTAR_BR(x) (((x)&0x0F))
/* Status */
#define DSPI_SR_TCF (0x80000000)
#define DSPI_SR_TXRXS (0x40000000)
#define DSPI_SR_EOQF (0x10000000)
#define DSPI_SR_TFUF (0x08000000)
#define DSPI_SR_TFFF (0x02000000)
#define DSPI_SR_RFOF (0x00080000)
#define DSPI_SR_RFDF (0x00020000)
#define DSPI_SR_TXCTR(x) (((x)&0x0F)<<12)
#define DSPI_SR_TXPTR(x) (((x)&0x0F)<<8)
#define DSPI_SR_RXCTR(x) (((x)&0x0F)<<4)
#define DSPI_SR_RXPTR(x) (((x)&0x0F))
/* DMA/interrupt request selct and enable */
#define DSPI_IRSR_TCFE (0x80000000)
#define DSPI_IRSR_EOQFE (0x10000000)
#define DSPI_IRSR_TFUFE (0x08000000)
#define DSPI_IRSR_TFFFE (0x02000000)
#define DSPI_IRSR_TFFFS (0x01000000)
#define DSPI_IRSR_RFOFE (0x00080000)
#define DSPI_IRSR_RFDFE (0x00020000)
#define DSPI_IRSR_RFDFS (0x00010000)
/* Transfer control - 32-bit access */
#define DSPI_TFR_CONT (0x80000000)
#define DSPI_TFR_CTAS(x) (((x)&0x07)<<12)
#define DSPI_TFR_EOQ (0x08000000)
#define DSPI_TFR_CTCNT (0x04000000)
#define DSPI_TFR_CS7 (0x00800000)
#define DSPI_TFR_CS6 (0x00400000)
#define DSPI_TFR_CS5 (0x00200000)
#define DSPI_TFR_CS4 (0x00100000)
#define DSPI_TFR_CS3 (0x00080000)
#define DSPI_TFR_CS2 (0x00040000)
#define DSPI_TFR_CS1 (0x00020000)
#define DSPI_TFR_CS0 (0x00010000)
/* Transfer Fifo */
#define DSPI_TFR_TXDATA(x) (((x)&0xFFFF))
/* Bit definitions and macros for DRFR */
#define DSPI_RFR_RXDATA(x) (((x)&0xFFFF))
/* Bit definitions and macros for DTFDR group */
#define DSPI_TFDR_TXDATA(x) (((x)&0x0000FFFF))
#define DSPI_TFDR_TXCMD(x) (((x)&0x0000FFFF)<<16)
/* Bit definitions and macros for DRFDR group */
#define DSPI_RFDR_RXDATA(x) (((x)&0x0000FFFF))
/* Architecture-related operations */
void dspi_chip_select(int cs);
void dspi_chip_unselect(int cs);
#endif /* __DSPI_H__ */
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