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TsiChungLiew7af77512008-01-14 15:30:15 -06001/*
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 */
34typedef 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*/
73typedef 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
87typedef 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__ */