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Diffstat (limited to 'arch/m68k/include/asm/coldfire/edma.h')
| -rw-r--r-- | arch/m68k/include/asm/coldfire/edma.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/coldfire/edma.h b/arch/m68k/include/asm/coldfire/edma.h new file mode 100644 index 0000000..c88aea6 --- /dev/null +++ b/arch/m68k/include/asm/coldfire/edma.h @@ -0,0 +1,177 @@ +/* + * EDMA 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 __EDMA_H__ +#define __EDMA_H__ + +/********************************************************************* +* Enhanced DMA (EDMA) +*********************************************************************/ + +/* eDMA module registers */ +typedef struct edma_ctrl { + u32 cr; /* 0x00 Control Register */ + u32 es; /* 0x04 Error Status Register */ + u16 res1[3]; /* 0x08 - 0x0D */ + u16 erq; /* 0x0E Enable Request Register */ + u16 res2[3]; /* 0x10 - 0x15 */ + u16 eei; /* 0x16 Enable Error Interrupt Request */ + u8 serq; /* 0x18 Set Enable Request */ + u8 cerq; /* 0x19 Clear Enable Request */ + u8 seei; /* 0x1A Set En Error Interrupt Request */ + u8 ceei; /* 0x1B Clear En Error Interrupt Request */ + u8 cint; /* 0x1C Clear Interrupt Enable */ + u8 cerr; /* 0x1D Clear Error */ + u8 ssrt; /* 0x1E Set START Bit */ + u8 cdne; /* 0x1F Clear DONE Status Bit */ + u16 res3[3]; /* 0x20 - 0x25 */ + u16 intr; /* 0x26 Interrupt Request */ + u16 res4[3]; /* 0x28 - 0x2D */ + u16 err; /* 0x2E Error Register */ + u32 res5[52]; /* 0x30 - 0xFF */ + u8 dchpri0; /* 0x100 Channel 0 Priority */ + u8 dchpri1; /* 0x101 Channel 1 Priority */ + u8 dchpri2; /* 0x102 Channel 2 Priority */ + u8 dchpri3; /* 0x103 Channel 3 Priority */ + u8 dchpri4; /* 0x104 Channel 4 Priority */ + u8 dchpri5; /* 0x105 Channel 5 Priority */ + u8 dchpri6; /* 0x106 Channel 6 Priority */ + u8 dchpri7; /* 0x107 Channel 7 Priority */ + u8 dchpri8; /* 0x108 Channel 8 Priority */ + u8 dchpri9; /* 0x109 Channel 9 Priority */ + u8 dchpri10; /* 0x110 Channel 10 Priority */ + u8 dchpri11; /* 0x111 Channel 11 Priority */ + u8 dchpri12; /* 0x112 Channel 12 Priority */ + u8 dchpri13; /* 0x113 Channel 13 Priority */ + u8 dchpri14; /* 0x114 Channel 14 Priority */ + u8 dchpri15; /* 0x115 Channel 15 Priority */ +} edma_t; + +/* TCD - eDMA*/ +typedef struct tcd_ctrl { + u32 saddr; /* 0x00 Source Address */ + u16 attr; /* 0x04 Transfer Attributes */ + u16 soff; /* 0x06 Signed Source Address Offset */ + u32 nbytes; /* 0x08 Minor Byte Count */ + u32 slast; /* 0x0C Last Source Address Adjustment */ + u32 daddr; /* 0x10 Destination address */ + u16 citer; /* 0x14 Cur Minor Loop Link, Major Loop Cnt */ + u16 doff; /* 0x16 Signed Destination Address Offset */ + u32 dlast_sga; /* 0x18 Last Dest Adr Adj/Scatter Gather Adr */ + u16 biter; /* 0x1C Minor Loop Lnk, Major Loop Cnt */ + u16 csr; /* 0x1E Control and Status */ +} tcd_st; + +typedef struct tcd_multiple { + tcd_st tcd[16]; +} tcd_t; + +/* Bit definitions and macros for EPPAR */ +#define EPORT_EPPAR_EPPA1(x) (((x)&0x0003)<<2) +#define EPORT_EPPAR_EPPA2(x) (((x)&0x0003)<<4) +#define EPORT_EPPAR_EPPA3(x) (((x)&0x0003)<<6) +#define EPORT_EPPAR_EPPA4(x) (((x)&0x0003)<<8) +#define EPORT_EPPAR_EPPA5(x) (((x)&0x0003)<<10) +#define EPORT_EPPAR_EPPA6(x) (((x)&0x0003)<<12) +#define EPORT_EPPAR_EPPA7(x) (((x)&0x0003)<<14) +#define EPORT_EPPAR_LEVEL (0) +#define EPORT_EPPAR_RISING (1) +#define EPORT_EPPAR_FALLING (2) +#define EPORT_EPPAR_BOTH (3) +#define EPORT_EPPAR_EPPA7_LEVEL (0x0000) +#define EPORT_EPPAR_EPPA7_RISING (0x4000) +#define EPORT_EPPAR_EPPA7_FALLING (0x8000) +#define EPORT_EPPAR_EPPA7_BOTH (0xC000) +#define EPORT_EPPAR_EPPA6_LEVEL (0x0000) +#define EPORT_EPPAR_EPPA6_RISING (0x1000) +#define EPORT_EPPAR_EPPA6_FALLING (0x2000) +#define EPORT_EPPAR_EPPA6_BOTH (0x3000) +#define EPORT_EPPAR_EPPA5_LEVEL (0x0000) +#define EPORT_EPPAR_EPPA5_RISING (0x0400) +#define EPORT_EPPAR_EPPA5_FALLING (0x0800) +#define EPORT_EPPAR_EPPA5_BOTH (0x0C00) +#define EPORT_EPPAR_EPPA4_LEVEL (0x0000) +#define EPORT_EPPAR_EPPA4_RISING (0x0100) +#define EPORT_EPPAR_EPPA4_FALLING (0x0200) +#define EPORT_EPPAR_EPPA4_BOTH (0x0300) +#define EPORT_EPPAR_EPPA3_LEVEL (0x0000) +#define EPORT_EPPAR_EPPA3_RISING (0x0040) +#define EPORT_EPPAR_EPPA3_FALLING (0x0080) +#define EPORT_EPPAR_EPPA3_BOTH (0x00C0) +#define EPORT_EPPAR_EPPA2_LEVEL (0x0000) +#define EPORT_EPPAR_EPPA2_RISING (0x0010) +#define EPORT_EPPAR_EPPA2_FALLING (0x0020) +#define EPORT_EPPAR_EPPA2_BOTH (0x0030) +#define EPORT_EPPAR_EPPA1_LEVEL (0x0000) +#define EPORT_EPPAR_EPPA1_RISING (0x0004) +#define EPORT_EPPAR_EPPA1_FALLING (0x0008) +#define EPORT_EPPAR_EPPA1_BOTH (0x000C) + +/* Bit definitions and macros for EPDDR */ +#define EPORT_EPDDR_EPDD1 (0x02) +#define EPORT_EPDDR_EPDD2 (0x04) +#define EPORT_EPDDR_EPDD3 (0x08) +#define EPORT_EPDDR_EPDD4 (0x10) +#define EPORT_EPDDR_EPDD5 (0x20) +#define EPORT_EPDDR_EPDD6 (0x40) +#define EPORT_EPDDR_EPDD7 (0x80) + +/* Bit definitions and macros for EPIER */ +#define EPORT_EPIER_EPIE1 (0x02) +#define EPORT_EPIER_EPIE2 (0x04) +#define EPORT_EPIER_EPIE3 (0x08) +#define EPORT_EPIER_EPIE4 (0x10) +#define EPORT_EPIER_EPIE5 (0x20) +#define EPORT_EPIER_EPIE6 (0x40) +#define EPORT_EPIER_EPIE7 (0x80) + +/* Bit definitions and macros for EPDR */ +#define EPORT_EPDR_EPD1 (0x02) +#define EPORT_EPDR_EPD2 (0x04) +#define EPORT_EPDR_EPD3 (0x08) +#define EPORT_EPDR_EPD4 (0x10) +#define EPORT_EPDR_EPD5 (0x20) +#define EPORT_EPDR_EPD6 (0x40) +#define EPORT_EPDR_EPD7 (0x80) + +/* Bit definitions and macros for EPPDR */ +#define EPORT_EPPDR_EPPD1 (0x02) +#define EPORT_EPPDR_EPPD2 (0x04) +#define EPORT_EPPDR_EPPD3 (0x08) +#define EPORT_EPPDR_EPPD4 (0x10) +#define EPORT_EPPDR_EPPD5 (0x20) +#define EPORT_EPPDR_EPPD6 (0x40) +#define EPORT_EPPDR_EPPD7 (0x80) + +/* Bit definitions and macros for EPFR */ +#define EPORT_EPFR_EPF1 (0x02) +#define EPORT_EPFR_EPF2 (0x04) +#define EPORT_EPFR_EPF3 (0x08) +#define EPORT_EPFR_EPF4 (0x10) +#define EPORT_EPFR_EPF5 (0x20) +#define EPORT_EPFR_EPF6 (0x40) +#define EPORT_EPFR_EPF7 (0x80) + +#endif /* __EDMA_H__ */ |