1 /**
2  * \file
3  *
4  * \brief Instance description for DMAC
5  *
6  * Copyright (c) 2016 Atmel Corporation,
7  *                    a wholly owned subsidiary of Microchip Technology Inc.
8  *
9  * \asf_license_start
10  *
11  * \page License
12  *
13  * Licensed under the Apache License, Version 2.0 (the "License");
14  * you may not use this file except in compliance with the License.
15  * You may obtain a copy of the Licence at
16  *
17  *     http://www.apache.org/licenses/LICENSE-2.0
18  *
19  * Unless required by applicable law or agreed to in writing, software
20  * distributed under the License is distributed on an "AS IS" BASIS,
21  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
22  * See the License for the specific language governing permissions and
23  * limitations under the License.
24  *
25  * \asf_license_stop
26  *
27  */
28 
29 #ifndef _SAML21_DMAC_INSTANCE_
30 #define _SAML21_DMAC_INSTANCE_
31 
32 /* ========== Register definition for DMAC peripheral ========== */
33 #if (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
34 #define REG_DMAC_CTRL              (0x44000400) /**< \brief (DMAC) Control */
35 #define REG_DMAC_CRCCTRL           (0x44000402) /**< \brief (DMAC) CRC Control */
36 #define REG_DMAC_CRCDATAIN         (0x44000404) /**< \brief (DMAC) CRC Data Input */
37 #define REG_DMAC_CRCCHKSUM         (0x44000408) /**< \brief (DMAC) CRC Checksum */
38 #define REG_DMAC_CRCSTATUS         (0x4400040C) /**< \brief (DMAC) CRC Status */
39 #define REG_DMAC_DBGCTRL           (0x4400040D) /**< \brief (DMAC) Debug Control */
40 #define REG_DMAC_QOSCTRL           (0x4400040E) /**< \brief (DMAC) QOS Control */
41 #define REG_DMAC_SWTRIGCTRL        (0x44000410) /**< \brief (DMAC) Software Trigger Control */
42 #define REG_DMAC_PRICTRL0          (0x44000414) /**< \brief (DMAC) Priority Control 0 */
43 #define REG_DMAC_INTPEND           (0x44000420) /**< \brief (DMAC) Interrupt Pending */
44 #define REG_DMAC_INTSTATUS         (0x44000424) /**< \brief (DMAC) Interrupt Status */
45 #define REG_DMAC_BUSYCH            (0x44000428) /**< \brief (DMAC) Busy Channels */
46 #define REG_DMAC_PENDCH            (0x4400042C) /**< \brief (DMAC) Pending Channels */
47 #define REG_DMAC_ACTIVE            (0x44000430) /**< \brief (DMAC) Active Channel and Levels */
48 #define REG_DMAC_BASEADDR          (0x44000434) /**< \brief (DMAC) Descriptor Memory Section Base Address */
49 #define REG_DMAC_WRBADDR           (0x44000438) /**< \brief (DMAC) Write-Back Memory Section Base Address */
50 #define REG_DMAC_CHID              (0x4400043F) /**< \brief (DMAC) Channel ID */
51 #define REG_DMAC_CHCTRLA           (0x44000440) /**< \brief (DMAC) Channel Control A */
52 #define REG_DMAC_CHCTRLB           (0x44000444) /**< \brief (DMAC) Channel Control B */
53 #define REG_DMAC_CHINTENCLR        (0x4400044C) /**< \brief (DMAC) Channel Interrupt Enable Clear */
54 #define REG_DMAC_CHINTENSET        (0x4400044D) /**< \brief (DMAC) Channel Interrupt Enable Set */
55 #define REG_DMAC_CHINTFLAG         (0x4400044E) /**< \brief (DMAC) Channel Interrupt Flag Status and Clear */
56 #define REG_DMAC_CHSTATUS          (0x4400044F) /**< \brief (DMAC) Channel Status */
57 #else
58 #define REG_DMAC_CTRL              (*(RwReg16*)0x44000400UL) /**< \brief (DMAC) Control */
59 #define REG_DMAC_CRCCTRL           (*(RwReg16*)0x44000402UL) /**< \brief (DMAC) CRC Control */
60 #define REG_DMAC_CRCDATAIN         (*(RwReg  *)0x44000404UL) /**< \brief (DMAC) CRC Data Input */
61 #define REG_DMAC_CRCCHKSUM         (*(RwReg  *)0x44000408UL) /**< \brief (DMAC) CRC Checksum */
62 #define REG_DMAC_CRCSTATUS         (*(RwReg8 *)0x4400040CUL) /**< \brief (DMAC) CRC Status */
63 #define REG_DMAC_DBGCTRL           (*(RwReg8 *)0x4400040DUL) /**< \brief (DMAC) Debug Control */
64 #define REG_DMAC_QOSCTRL           (*(RwReg8 *)0x4400040EUL) /**< \brief (DMAC) QOS Control */
65 #define REG_DMAC_SWTRIGCTRL        (*(RwReg  *)0x44000410UL) /**< \brief (DMAC) Software Trigger Control */
66 #define REG_DMAC_PRICTRL0          (*(RwReg  *)0x44000414UL) /**< \brief (DMAC) Priority Control 0 */
67 #define REG_DMAC_INTPEND           (*(RwReg16*)0x44000420UL) /**< \brief (DMAC) Interrupt Pending */
68 #define REG_DMAC_INTSTATUS         (*(RoReg  *)0x44000424UL) /**< \brief (DMAC) Interrupt Status */
69 #define REG_DMAC_BUSYCH            (*(RoReg  *)0x44000428UL) /**< \brief (DMAC) Busy Channels */
70 #define REG_DMAC_PENDCH            (*(RoReg  *)0x4400042CUL) /**< \brief (DMAC) Pending Channels */
71 #define REG_DMAC_ACTIVE            (*(RoReg  *)0x44000430UL) /**< \brief (DMAC) Active Channel and Levels */
72 #define REG_DMAC_BASEADDR          (*(RwReg  *)0x44000434UL) /**< \brief (DMAC) Descriptor Memory Section Base Address */
73 #define REG_DMAC_WRBADDR           (*(RwReg  *)0x44000438UL) /**< \brief (DMAC) Write-Back Memory Section Base Address */
74 #define REG_DMAC_CHID              (*(RwReg8 *)0x4400043FUL) /**< \brief (DMAC) Channel ID */
75 #define REG_DMAC_CHCTRLA           (*(RwReg8 *)0x44000440UL) /**< \brief (DMAC) Channel Control A */
76 #define REG_DMAC_CHCTRLB           (*(RwReg  *)0x44000444UL) /**< \brief (DMAC) Channel Control B */
77 #define REG_DMAC_CHINTENCLR        (*(RwReg8 *)0x4400044CUL) /**< \brief (DMAC) Channel Interrupt Enable Clear */
78 #define REG_DMAC_CHINTENSET        (*(RwReg8 *)0x4400044DUL) /**< \brief (DMAC) Channel Interrupt Enable Set */
79 #define REG_DMAC_CHINTFLAG         (*(RwReg8 *)0x4400044EUL) /**< \brief (DMAC) Channel Interrupt Flag Status and Clear */
80 #define REG_DMAC_CHSTATUS          (*(RoReg8 *)0x4400044FUL) /**< \brief (DMAC) Channel Status */
81 #endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
82 
83 /* ========== Instance parameters for DMAC peripheral ========== */
84 #define DMAC_CH_BITS                4        // Number of bits to select channel
85 #define DMAC_CH_NUM                 16       // Number of channels
86 #define DMAC_CLK_AHB_ID             11       // AHB clock index
87 #define DMAC_EVIN_NUM               8        // Number of input events
88 #define DMAC_EVOUT_NUM              8        // Number of output events
89 #define DMAC_LVL_BITS               2        // Number of bit to select level priority
90 #define DMAC_LVL_NUM                4        // Enable priority level number
91 #define DMAC_QOSCTRL_D_RESETVALUE   2        // QOS dmac ahb interface reset value
92 #define DMAC_QOSCTRL_F_RESETVALUE   2        // QOS dmac fetch interface reset value
93 #define DMAC_QOSCTRL_WRB_RESETVALUE 2        // QOS dmac write back interface reset value
94 #define DMAC_TRIG_BITS              6        // Number of bits to select trigger source
95 #define DMAC_TRIG_NUM               46       // Number of peripheral triggers
96 
97 #endif /* _SAML21_DMAC_INSTANCE_ */
98