diff options
Diffstat (limited to 'include/asm-m68k/coldfire/dspi.h')
| -rw-r--r-- | include/asm-m68k/coldfire/dspi.h | 229 |
1 files changed, 111 insertions, 118 deletions
diff --git a/include/asm-m68k/coldfire/dspi.h b/include/asm-m68k/coldfire/dspi.h index 4b7d61e0f..02d140961 100644 --- a/include/asm-m68k/coldfire/dspi.h +++ b/include/asm-m68k/coldfire/dspi.h @@ -26,140 +26,133 @@ #ifndef __DSPI_H__ #define __DSPI_H__ -/********************************************************************* -* DMA Serial Peripheral Interface (DSPI) -*********************************************************************/ - +/* 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 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 dtfdr[4]; - u8 resv1[0x30]; - u32 drfdr[4]; + u32 tfdr[4]; /* 0x3C */ + u8 resv2[0x30]; /* 0x40 */ + u32 rfdr[4]; /* 0x7C */ #else - u32 dtfdr[16]; - u32 drfdr[16]; + u32 tfdr[16]; /* 0x3C */ + u32 rfdr[16]; /* 0x7C */ #endif } 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) +/* 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) -/* Bit definitions and macros for DTCR */ -#define DSPI_DTCR_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)) -/* 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) +/* 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)) -/* 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) +/* 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) -/* 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) +/* 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) -/* 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) +/* Transfer Fifo */ +#define DSPI_TFR_TXDATA(x) (((x)&0xFFFF)) /* Bit definitions and macros for DRFR */ -#define DSPI_DRFR_RXDATA(x) (((x)&0x0000FFFF)) +#define DSPI_RFR_RXDATA(x) (((x)&0xFFFF)) /* Bit definitions and macros for DTFDR group */ -#define DSPI_DTFDR_TXDATA(x) (((x)&0x0000FFFF)) -#define DSPI_DTFDR_TXCMD(x) (((x)&0x0000FFFF)<<16) +#define DSPI_TFDR_TXDATA(x) (((x)&0x0000FFFF)) +#define DSPI_TFDR_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); +#define DSPI_RFDR_RXDATA(x) (((x)&0x0000FFFF)) #endif /* __DSPI_H__ */ |