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/*
* 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__ */
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