1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
4 * Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
5 */
6
7#include <linux/kernel.h>
8
9#include "k3-psil-priv.h"
10
11#define PSIL_PDMA_XY_TR(x) \
12 { \
13 .thread_id = x, \
14 .ep_config = { \
15 .ep_type = PSIL_EP_PDMA_XY, \
16 }, \
17 }
18
19#define PSIL_PDMA_XY_PKT(x) \
20 { \
21 .thread_id = x, \
22 .ep_config = { \
23 .ep_type = PSIL_EP_PDMA_XY, \
24 .pkt_mode = 1, \
25 }, \
26 }
27
28#define PSIL_ETHERNET(x) \
29 { \
30 .thread_id = x, \
31 .ep_config = { \
32 .ep_type = PSIL_EP_NATIVE, \
33 .pkt_mode = 1, \
34 .needs_epib = 1, \
35 .psd_size = 16, \
36 }, \
37 }
38
39#define PSIL_SA2UL(x, tx) \
40 { \
41 .thread_id = x, \
42 .ep_config = { \
43 .ep_type = PSIL_EP_NATIVE, \
44 .pkt_mode = 1, \
45 .needs_epib = 1, \
46 .psd_size = 64, \
47 .notdpkt = tx, \
48 }, \
49 }
50
51/* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
52static struct psil_ep am654_src_ep_map[] = {
53 /* SA2UL */
54 PSIL_SA2UL(0x4000, 0),
55 PSIL_SA2UL(0x4001, 0),
56 PSIL_SA2UL(0x4002, 0),
57 PSIL_SA2UL(0x4003, 0),
58 /* PRU_ICSSG0 */
59 PSIL_ETHERNET(0x4100),
60 PSIL_ETHERNET(0x4101),
61 PSIL_ETHERNET(0x4102),
62 PSIL_ETHERNET(0x4103),
63 /* PRU_ICSSG1 */
64 PSIL_ETHERNET(0x4200),
65 PSIL_ETHERNET(0x4201),
66 PSIL_ETHERNET(0x4202),
67 PSIL_ETHERNET(0x4203),
68 /* PRU_ICSSG2 */
69 PSIL_ETHERNET(0x4300),
70 PSIL_ETHERNET(0x4301),
71 PSIL_ETHERNET(0x4302),
72 PSIL_ETHERNET(0x4303),
73 /* PDMA0 - McASPs */
74 PSIL_PDMA_XY_TR(0x4400),
75 PSIL_PDMA_XY_TR(0x4401),
76 PSIL_PDMA_XY_TR(0x4402),
77 /* PDMA1 - SPI0-4 */
78 PSIL_PDMA_XY_PKT(0x4500),
79 PSIL_PDMA_XY_PKT(0x4501),
80 PSIL_PDMA_XY_PKT(0x4502),
81 PSIL_PDMA_XY_PKT(0x4503),
82 PSIL_PDMA_XY_PKT(0x4504),
83 PSIL_PDMA_XY_PKT(0x4505),
84 PSIL_PDMA_XY_PKT(0x4506),
85 PSIL_PDMA_XY_PKT(0x4507),
86 PSIL_PDMA_XY_PKT(0x4508),
87 PSIL_PDMA_XY_PKT(0x4509),
88 PSIL_PDMA_XY_PKT(0x450a),
89 PSIL_PDMA_XY_PKT(0x450b),
90 PSIL_PDMA_XY_PKT(0x450c),
91 PSIL_PDMA_XY_PKT(0x450d),
92 PSIL_PDMA_XY_PKT(0x450e),
93 PSIL_PDMA_XY_PKT(0x450f),
94 PSIL_PDMA_XY_PKT(0x4510),
95 PSIL_PDMA_XY_PKT(0x4511),
96 PSIL_PDMA_XY_PKT(0x4512),
97 PSIL_PDMA_XY_PKT(0x4513),
98 /* PDMA1 - USART0-2 */
99 PSIL_PDMA_XY_PKT(0x4514),
100 PSIL_PDMA_XY_PKT(0x4515),
101 PSIL_PDMA_XY_PKT(0x4516),
102 /* CPSW0 */
103 PSIL_ETHERNET(0x7000),
104 /* MCU_PDMA0 - ADCs */
105 PSIL_PDMA_XY_TR(0x7100),
106 PSIL_PDMA_XY_TR(0x7101),
107 PSIL_PDMA_XY_TR(0x7102),
108 PSIL_PDMA_XY_TR(0x7103),
109 /* MCU_PDMA1 - MCU_SPI0-2 */
110 PSIL_PDMA_XY_PKT(0x7200),
111 PSIL_PDMA_XY_PKT(0x7201),
112 PSIL_PDMA_XY_PKT(0x7202),
113 PSIL_PDMA_XY_PKT(0x7203),
114 PSIL_PDMA_XY_PKT(0x7204),
115 PSIL_PDMA_XY_PKT(0x7205),
116 PSIL_PDMA_XY_PKT(0x7206),
117 PSIL_PDMA_XY_PKT(0x7207),
118 PSIL_PDMA_XY_PKT(0x7208),
119 PSIL_PDMA_XY_PKT(0x7209),
120 PSIL_PDMA_XY_PKT(0x720a),
121 PSIL_PDMA_XY_PKT(0x720b),
122 /* MCU_PDMA1 - MCU_USART0 */
123 PSIL_PDMA_XY_PKT(0x7212),
124};
125
126/* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
127static struct psil_ep am654_dst_ep_map[] = {
128 /* SA2UL */
129 PSIL_SA2UL(0xc000, 1),
130 PSIL_SA2UL(0xc001, 1),
131 /* PRU_ICSSG0 */
132 PSIL_ETHERNET(0xc100),
133 PSIL_ETHERNET(0xc101),
134 PSIL_ETHERNET(0xc102),
135 PSIL_ETHERNET(0xc103),
136 PSIL_ETHERNET(0xc104),
137 PSIL_ETHERNET(0xc105),
138 PSIL_ETHERNET(0xc106),
139 PSIL_ETHERNET(0xc107),
140 /* PRU_ICSSG1 */
141 PSIL_ETHERNET(0xc200),
142 PSIL_ETHERNET(0xc201),
143 PSIL_ETHERNET(0xc202),
144 PSIL_ETHERNET(0xc203),
145 PSIL_ETHERNET(0xc204),
146 PSIL_ETHERNET(0xc205),
147 PSIL_ETHERNET(0xc206),
148 PSIL_ETHERNET(0xc207),
149 /* PRU_ICSSG2 */
150 PSIL_ETHERNET(0xc300),
151 PSIL_ETHERNET(0xc301),
152 PSIL_ETHERNET(0xc302),
153 PSIL_ETHERNET(0xc303),
154 PSIL_ETHERNET(0xc304),
155 PSIL_ETHERNET(0xc305),
156 PSIL_ETHERNET(0xc306),
157 PSIL_ETHERNET(0xc307),
158 /* CPSW0 */
159 PSIL_ETHERNET(0xf000),
160 PSIL_ETHERNET(0xf001),
161 PSIL_ETHERNET(0xf002),
162 PSIL_ETHERNET(0xf003),
163 PSIL_ETHERNET(0xf004),
164 PSIL_ETHERNET(0xf005),
165 PSIL_ETHERNET(0xf006),
166 PSIL_ETHERNET(0xf007),
167};
168
169struct psil_ep_map am654_ep_map = {
170 .name = "am654",
171 .src = am654_src_ep_map,
172 .src_count = ARRAY_SIZE(am654_src_ep_map),
173 .dst = am654_dst_ep_map,
174 .dst_count = ARRAY_SIZE(am654_dst_ep_map),
175};
176

source code of linux/drivers/dma/ti/k3-psil-am654.c