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Diffstat (limited to 'arch/m68k/include/asm/coldfire/dspi.h')
| -rw-r--r-- | arch/m68k/include/asm/coldfire/dspi.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/coldfire/dspi.h b/arch/m68k/include/asm/coldfire/dspi.h new file mode 100644 index 0000000000..02d1409610 --- /dev/null +++ b/arch/m68k/include/asm/coldfire/dspi.h @@ -0,0 +1,158 @@ +/* + * 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 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 */ +#ifdef CONFIG_MCF547x_8x + u32 tfdr[4]; /* 0x3C */ + u8 resv2[0x30]; /* 0x40 */ + u32 rfdr[4]; /* 0x7C */ +#else + u32 tfdr[16]; /* 0x3C */ + u32 rfdr[16]; /* 0x7C */ +#endif +} 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)) + +#endif /* __DSPI_H__ */ |