1 /* 2 * EDMA Internal Memory Map 3 * 4 * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. 5 * TsiChung Liew (Tsi-Chung.Liew@freescale.com) 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 #ifndef __EDMA_H__ 27 #define __EDMA_H__ 28 29 /********************************************************************* 30 * Enhanced DMA (EDMA) 31 *********************************************************************/ 32 33 /* eDMA module registers */ 34 typedef struct edma_ctrl { 35 u32 cr; /* 0x00 Control Register */ 36 u32 es; /* 0x04 Error Status Register */ 37 u16 res1[3]; /* 0x08 - 0x0D */ 38 u16 erq; /* 0x0E Enable Request Register */ 39 u16 res2[3]; /* 0x10 - 0x15 */ 40 u16 eei; /* 0x16 Enable Error Interrupt Request */ 41 u8 serq; /* 0x18 Set Enable Request */ 42 u8 cerq; /* 0x19 Clear Enable Request */ 43 u8 seei; /* 0x1A Set En Error Interrupt Request */ 44 u8 ceei; /* 0x1B Clear En Error Interrupt Request */ 45 u8 cint; /* 0x1C Clear Interrupt Enable */ 46 u8 cerr; /* 0x1D Clear Error */ 47 u8 ssrt; /* 0x1E Set START Bit */ 48 u8 cdne; /* 0x1F Clear DONE Status Bit */ 49 u16 res3[3]; /* 0x20 - 0x25 */ 50 u16 intr; /* 0x26 Interrupt Request */ 51 u16 res4[3]; /* 0x28 - 0x2D */ 52 u16 err; /* 0x2E Error Register */ 53 u32 res5[52]; /* 0x30 - 0xFF */ 54 u8 dchpri0; /* 0x100 Channel 0 Priority */ 55 u8 dchpri1; /* 0x101 Channel 1 Priority */ 56 u8 dchpri2; /* 0x102 Channel 2 Priority */ 57 u8 dchpri3; /* 0x103 Channel 3 Priority */ 58 u8 dchpri4; /* 0x104 Channel 4 Priority */ 59 u8 dchpri5; /* 0x105 Channel 5 Priority */ 60 u8 dchpri6; /* 0x106 Channel 6 Priority */ 61 u8 dchpri7; /* 0x107 Channel 7 Priority */ 62 u8 dchpri8; /* 0x108 Channel 8 Priority */ 63 u8 dchpri9; /* 0x109 Channel 9 Priority */ 64 u8 dchpri10; /* 0x110 Channel 10 Priority */ 65 u8 dchpri11; /* 0x111 Channel 11 Priority */ 66 u8 dchpri12; /* 0x112 Channel 12 Priority */ 67 u8 dchpri13; /* 0x113 Channel 13 Priority */ 68 u8 dchpri14; /* 0x114 Channel 14 Priority */ 69 u8 dchpri15; /* 0x115 Channel 15 Priority */ 70 } edma_t; 71 72 /* TCD - eDMA*/ 73 typedef struct tcd_ctrl { 74 u32 saddr; /* 0x00 Source Address */ 75 u16 attr; /* 0x04 Transfer Attributes */ 76 u16 soff; /* 0x06 Signed Source Address Offset */ 77 u32 nbytes; /* 0x08 Minor Byte Count */ 78 u32 slast; /* 0x0C Last Source Address Adjustment */ 79 u32 daddr; /* 0x10 Destination address */ 80 u16 citer; /* 0x14 Cur Minor Loop Link, Major Loop Cnt */ 81 u16 doff; /* 0x16 Signed Destination Address Offset */ 82 u32 dlast_sga; /* 0x18 Last Dest Adr Adj/Scatter Gather Adr */ 83 u16 biter; /* 0x1C Minor Loop Lnk, Major Loop Cnt */ 84 u16 csr; /* 0x1E Control and Status */ 85 } tcd_st; 86 87 typedef struct tcd_multiple { 88 tcd_st tcd[16]; 89 } tcd_t; 90 91 /* Bit definitions and macros for EPPAR */ 92 #define EPORT_EPPAR_EPPA1(x) (((x)&0x0003)<<2) 93 #define EPORT_EPPAR_EPPA2(x) (((x)&0x0003)<<4) 94 #define EPORT_EPPAR_EPPA3(x) (((x)&0x0003)<<6) 95 #define EPORT_EPPAR_EPPA4(x) (((x)&0x0003)<<8) 96 #define EPORT_EPPAR_EPPA5(x) (((x)&0x0003)<<10) 97 #define EPORT_EPPAR_EPPA6(x) (((x)&0x0003)<<12) 98 #define EPORT_EPPAR_EPPA7(x) (((x)&0x0003)<<14) 99 #define EPORT_EPPAR_LEVEL (0) 100 #define EPORT_EPPAR_RISING (1) 101 #define EPORT_EPPAR_FALLING (2) 102 #define EPORT_EPPAR_BOTH (3) 103 #define EPORT_EPPAR_EPPA7_LEVEL (0x0000) 104 #define EPORT_EPPAR_EPPA7_RISING (0x4000) 105 #define EPORT_EPPAR_EPPA7_FALLING (0x8000) 106 #define EPORT_EPPAR_EPPA7_BOTH (0xC000) 107 #define EPORT_EPPAR_EPPA6_LEVEL (0x0000) 108 #define EPORT_EPPAR_EPPA6_RISING (0x1000) 109 #define EPORT_EPPAR_EPPA6_FALLING (0x2000) 110 #define EPORT_EPPAR_EPPA6_BOTH (0x3000) 111 #define EPORT_EPPAR_EPPA5_LEVEL (0x0000) 112 #define EPORT_EPPAR_EPPA5_RISING (0x0400) 113 #define EPORT_EPPAR_EPPA5_FALLING (0x0800) 114 #define EPORT_EPPAR_EPPA5_BOTH (0x0C00) 115 #define EPORT_EPPAR_EPPA4_LEVEL (0x0000) 116 #define EPORT_EPPAR_EPPA4_RISING (0x0100) 117 #define EPORT_EPPAR_EPPA4_FALLING (0x0200) 118 #define EPORT_EPPAR_EPPA4_BOTH (0x0300) 119 #define EPORT_EPPAR_EPPA3_LEVEL (0x0000) 120 #define EPORT_EPPAR_EPPA3_RISING (0x0040) 121 #define EPORT_EPPAR_EPPA3_FALLING (0x0080) 122 #define EPORT_EPPAR_EPPA3_BOTH (0x00C0) 123 #define EPORT_EPPAR_EPPA2_LEVEL (0x0000) 124 #define EPORT_EPPAR_EPPA2_RISING (0x0010) 125 #define EPORT_EPPAR_EPPA2_FALLING (0x0020) 126 #define EPORT_EPPAR_EPPA2_BOTH (0x0030) 127 #define EPORT_EPPAR_EPPA1_LEVEL (0x0000) 128 #define EPORT_EPPAR_EPPA1_RISING (0x0004) 129 #define EPORT_EPPAR_EPPA1_FALLING (0x0008) 130 #define EPORT_EPPAR_EPPA1_BOTH (0x000C) 131 132 /* Bit definitions and macros for EPDDR */ 133 #define EPORT_EPDDR_EPDD1 (0x02) 134 #define EPORT_EPDDR_EPDD2 (0x04) 135 #define EPORT_EPDDR_EPDD3 (0x08) 136 #define EPORT_EPDDR_EPDD4 (0x10) 137 #define EPORT_EPDDR_EPDD5 (0x20) 138 #define EPORT_EPDDR_EPDD6 (0x40) 139 #define EPORT_EPDDR_EPDD7 (0x80) 140 141 /* Bit definitions and macros for EPIER */ 142 #define EPORT_EPIER_EPIE1 (0x02) 143 #define EPORT_EPIER_EPIE2 (0x04) 144 #define EPORT_EPIER_EPIE3 (0x08) 145 #define EPORT_EPIER_EPIE4 (0x10) 146 #define EPORT_EPIER_EPIE5 (0x20) 147 #define EPORT_EPIER_EPIE6 (0x40) 148 #define EPORT_EPIER_EPIE7 (0x80) 149 150 /* Bit definitions and macros for EPDR */ 151 #define EPORT_EPDR_EPD1 (0x02) 152 #define EPORT_EPDR_EPD2 (0x04) 153 #define EPORT_EPDR_EPD3 (0x08) 154 #define EPORT_EPDR_EPD4 (0x10) 155 #define EPORT_EPDR_EPD5 (0x20) 156 #define EPORT_EPDR_EPD6 (0x40) 157 #define EPORT_EPDR_EPD7 (0x80) 158 159 /* Bit definitions and macros for EPPDR */ 160 #define EPORT_EPPDR_EPPD1 (0x02) 161 #define EPORT_EPPDR_EPPD2 (0x04) 162 #define EPORT_EPPDR_EPPD3 (0x08) 163 #define EPORT_EPPDR_EPPD4 (0x10) 164 #define EPORT_EPPDR_EPPD5 (0x20) 165 #define EPORT_EPPDR_EPPD6 (0x40) 166 #define EPORT_EPPDR_EPPD7 (0x80) 167 168 /* Bit definitions and macros for EPFR */ 169 #define EPORT_EPFR_EPF1 (0x02) 170 #define EPORT_EPFR_EPF2 (0x04) 171 #define EPORT_EPFR_EPF3 (0x08) 172 #define EPORT_EPFR_EPF4 (0x10) 173 #define EPORT_EPFR_EPF5 (0x20) 174 #define EPORT_EPFR_EPF6 (0x40) 175 #define EPORT_EPFR_EPF7 (0x80) 176 177 #endif /* __EDMA_H__ */ 178