1/*-
2 * Copyright (c) 2017-2018 Ruslan Bukin <br@bsdpad.com>
3 * All rights reserved.
4 *
5 * This software was developed by SRI International and the University of
6 * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237
7 * ("CTSRD"), as part of the DARPA CRASH research programme.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD$
31 */
32
33#ifndef _DEV_XDMA_CONTROLLER_PL330_H_
34#define _DEV_XDMA_CONTROLLER_PL330_H_
35
36/* pl330 registers */
37#define	DSR		0x000 /* DMA Manager Status */
38#define	DPC		0x004 /* DMA Program Counter */
39#define	INTEN		0x020 /* Interrupt Enable */
40#define	INT_EVENT_RIS	0x024 /* Event-Interrupt Raw Status */
41#define	INTMIS		0x028 /* Interrupt Status */
42#define	INTCLR		0x02C /* Interrupt Clear */
43#define	FSRD		0x030 /* Fault Status DMA Manager */
44#define	FSRC		0x034 /* Fault Status DMA Channel */
45#define	FTRD		0x038 /* Fault Type DMA Manager */
46#define	FTR(n)		(0x040 + 0x04 * (n)) /* Fault type for DMA channel n */
47#define	CSR(n)		(0x100 + 0x08 * (n)) /* Channel status for DMA channel n */
48#define	CPC(n)		(0x104 + 0x08 * (n)) /* Channel PC for DMA channel n */
49#define	SAR(n)		(0x400 + 0x20 * (n)) /* Source address for DMA channel n */
50#define	DAR(n)		(0x404 + 0x20 * (n)) /* Destination address for DMA channel n */
51#define	CCR(n)		(0x408 + 0x20 * (n)) /* Channel control for DMA channel n */
52#define	 CCR_DST_BURST_SIZE_S	15
53#define	 CCR_DST_BURST_SIZE_1	(0 << CCR_DST_BURST_SIZE_S)
54#define	 CCR_DST_BURST_SIZE_2	(1 << CCR_DST_BURST_SIZE_S)
55#define	 CCR_DST_BURST_SIZE_4	(2 << CCR_DST_BURST_SIZE_S)
56#define	 CCR_SRC_BURST_SIZE_S	1
57#define	 CCR_SRC_BURST_SIZE_1	(0 << CCR_SRC_BURST_SIZE_S)
58#define	 CCR_SRC_BURST_SIZE_2	(1 << CCR_SRC_BURST_SIZE_S)
59#define	 CCR_SRC_BURST_SIZE_4	(2 << CCR_SRC_BURST_SIZE_S)
60#define	 CCR_DST_INC		(1 << 14)
61#define	 CCR_SRC_INC		(1 << 0)
62#define	 CCR_DST_PROT_CTRL_S	22
63#define	 CCR_DST_PROT_PRIV	(1 << CCR_DST_PROT_CTRL_S)
64#define	LC0(n)		(0x40C + 0x20 * (n)) /* Loop counter 0 for DMA channel n */
65#define	LC1(n)		(0x410 + 0x20 * (n)) /* Loop counter 1 for DMA channel n */
66
67#define	DBGSTATUS	0xD00 /* Debug Status */
68#define	DBGCMD		0xD04 /* Debug Command */
69#define	DBGINST0	0xD08 /* Debug Instruction-0 */
70#define	DBGINST1	0xD0C /* Debug Instruction-1 */
71#define	CR0		0xE00 /* Configuration Register 0 */
72#define	CR1		0xE04 /* Configuration Register 1 */
73#define	CR2		0xE08 /* Configuration Register 2 */
74#define	CR3		0xE0C /* Configuration Register 3 */
75#define	CR4		0xE10 /* Configuration Register 4 */
76#define	CRD		0xE14 /* DMA Configuration */
77#define	WD		0xE80 /* Watchdog Register */
78
79#define	R_SAR	0
80#define	R_CCR	1
81#define	R_DAR	2
82
83/*
84 * 0xFE0- 0xFEC  periph_id_n RO  Configuration-dependent Peripheral Identification Registers
85 * 0xFF0- 0xFFC  pcell_id_n RO   Configuration-dependent Component Identification Registers
86 */
87
88/* pl330 ISA */
89#define	DMAADDH		0x54
90#define	DMAADNH		0x5c
91#define	DMAEND		0x00
92#define	DMAFLUSHP	0x35
93#define	DMAGO		0xa0
94#define	DMAKILL		0x01
95#define	DMALD		0x04
96#define	DMALDP		0x25
97#define	DMALP		0x20
98#define	DMALPEND	0x28
99#define	DMALPEND_NF	(1 << 4) /* DMALP started the loop */
100/*
101 * TODO: documentation miss opcode for infinite loop
102 * #define	DMALPFE		0
103 */
104#define	DMAMOV		0xbc
105#define	DMANOP		0x18
106#define	DMARMB		0x12
107#define	DMASEV		0x34
108#define	DMAST		0x08
109#define	DMASTP		0x29
110#define	DMASTZ		0x0c
111#define	DMAWFE		0x36
112#define	DMAWFP		0x30
113#define	DMAWMB		0x13
114
115#endif /* !_DEV_XDMA_CONTROLLER_PL330_H_ */
116