TsiChungLiew | 7af7751 | 2008-01-14 15:30:15 -0600 | [diff] [blame] | 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__ */ |