xref: /openbmc/linux/drivers/dma/ti/k3-psil-am62.c (revision 9470114d)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  *  Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com
4  */
5 
6 #include <linux/kernel.h>
7 
8 #include "k3-psil-priv.h"
9 
10 #define PSIL_PDMA_XY_PKT(x)					\
11 	{							\
12 		.thread_id = x,					\
13 		.ep_config = {					\
14 			.ep_type = PSIL_EP_PDMA_XY,		\
15 			.mapped_channel_id = -1,		\
16 			.default_flow_id = -1,			\
17 			.pkt_mode = 1,				\
18 		},						\
19 	}
20 
21 #define PSIL_ETHERNET(x, ch, flow_base, flow_cnt)		\
22 	{							\
23 		.thread_id = x,					\
24 		.ep_config = {					\
25 			.ep_type = PSIL_EP_NATIVE,		\
26 			.pkt_mode = 1,				\
27 			.needs_epib = 1,			\
28 			.psd_size = 16,				\
29 			.mapped_channel_id = ch,		\
30 			.flow_start = flow_base,		\
31 			.flow_num = flow_cnt,			\
32 			.default_flow_id = flow_base,		\
33 		},						\
34 	}
35 
36 #define PSIL_SAUL(x, ch, flow_base, flow_cnt, default_flow, tx)	\
37 	{							\
38 		.thread_id = x,					\
39 		.ep_config = {					\
40 			.ep_type = PSIL_EP_NATIVE,		\
41 			.pkt_mode = 1,				\
42 			.needs_epib = 1,			\
43 			.psd_size = 64,				\
44 			.mapped_channel_id = ch,		\
45 			.flow_start = flow_base,		\
46 			.flow_num = flow_cnt,			\
47 			.default_flow_id = default_flow,	\
48 			.notdpkt = tx,				\
49 		},						\
50 	}
51 
52 #define PSIL_PDMA_MCASP(x)				\
53 	{						\
54 		.thread_id = x,				\
55 		.ep_config = {				\
56 			.ep_type = PSIL_EP_PDMA_XY,	\
57 			.pdma_acc32 = 1,		\
58 			.pdma_burst = 1,		\
59 		},					\
60 	}
61 
62 #define PSIL_CSI2RX(x)					\
63 	{						\
64 		.thread_id = x,				\
65 		.ep_config = {				\
66 			.ep_type = PSIL_EP_NATIVE,	\
67 		},					\
68 	}
69 
70 /* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
71 static struct psil_ep am62_src_ep_map[] = {
72 	/* SAUL */
73 	PSIL_SAUL(0x7504, 20, 35, 8, 35, 0),
74 	PSIL_SAUL(0x7505, 21, 35, 8, 36, 0),
75 	PSIL_SAUL(0x7506, 22, 43, 8, 43, 0),
76 	PSIL_SAUL(0x7507, 23, 43, 8, 44, 0),
77 	/* PDMA_MAIN0 - SPI0-2 */
78 	PSIL_PDMA_XY_PKT(0x4300),
79 	PSIL_PDMA_XY_PKT(0x4301),
80 	PSIL_PDMA_XY_PKT(0x4302),
81 	PSIL_PDMA_XY_PKT(0x4303),
82 	PSIL_PDMA_XY_PKT(0x4304),
83 	PSIL_PDMA_XY_PKT(0x4305),
84 	PSIL_PDMA_XY_PKT(0x4306),
85 	PSIL_PDMA_XY_PKT(0x4307),
86 	PSIL_PDMA_XY_PKT(0x4308),
87 	PSIL_PDMA_XY_PKT(0x4309),
88 	PSIL_PDMA_XY_PKT(0x430a),
89 	PSIL_PDMA_XY_PKT(0x430b),
90 	/* PDMA_MAIN1 - UART0-6 */
91 	PSIL_PDMA_XY_PKT(0x4400),
92 	PSIL_PDMA_XY_PKT(0x4401),
93 	PSIL_PDMA_XY_PKT(0x4402),
94 	PSIL_PDMA_XY_PKT(0x4403),
95 	PSIL_PDMA_XY_PKT(0x4404),
96 	PSIL_PDMA_XY_PKT(0x4405),
97 	PSIL_PDMA_XY_PKT(0x4406),
98 	/* PDMA_MAIN2 - MCASP0-2 */
99 	PSIL_PDMA_MCASP(0x4500),
100 	PSIL_PDMA_MCASP(0x4501),
101 	PSIL_PDMA_MCASP(0x4502),
102 	/* CPSW3G */
103 	PSIL_ETHERNET(0x4600, 19, 19, 16),
104 	/* CSI2RX */
105 	PSIL_CSI2RX(0x4700),
106 	PSIL_CSI2RX(0x4701),
107 	PSIL_CSI2RX(0x4702),
108 	PSIL_CSI2RX(0x4703),
109 	PSIL_CSI2RX(0x4704),
110 	PSIL_CSI2RX(0x4705),
111 	PSIL_CSI2RX(0x4706),
112 	PSIL_CSI2RX(0x4707),
113 	PSIL_CSI2RX(0x4708),
114 	PSIL_CSI2RX(0x4709),
115 	PSIL_CSI2RX(0x470a),
116 	PSIL_CSI2RX(0x470b),
117 	PSIL_CSI2RX(0x470c),
118 	PSIL_CSI2RX(0x470d),
119 	PSIL_CSI2RX(0x470e),
120 	PSIL_CSI2RX(0x470f),
121 	PSIL_CSI2RX(0x4710),
122 	PSIL_CSI2RX(0x4711),
123 	PSIL_CSI2RX(0x4712),
124 	PSIL_CSI2RX(0x4713),
125 	PSIL_CSI2RX(0x4714),
126 	PSIL_CSI2RX(0x4715),
127 	PSIL_CSI2RX(0x4716),
128 	PSIL_CSI2RX(0x4717),
129 	PSIL_CSI2RX(0x4718),
130 	PSIL_CSI2RX(0x4719),
131 	PSIL_CSI2RX(0x471a),
132 	PSIL_CSI2RX(0x471b),
133 	PSIL_CSI2RX(0x471c),
134 	PSIL_CSI2RX(0x471d),
135 	PSIL_CSI2RX(0x471e),
136 	PSIL_CSI2RX(0x471f),
137 };
138 
139 /* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
140 static struct psil_ep am62_dst_ep_map[] = {
141 	/* SAUL */
142 	PSIL_SAUL(0xf500, 27, 83, 8, 83, 1),
143 	PSIL_SAUL(0xf501, 28, 91, 8, 91, 1),
144 	/* PDMA_MAIN0 - SPI0-2 */
145 	PSIL_PDMA_XY_PKT(0xc300),
146 	PSIL_PDMA_XY_PKT(0xc301),
147 	PSIL_PDMA_XY_PKT(0xc302),
148 	PSIL_PDMA_XY_PKT(0xc303),
149 	PSIL_PDMA_XY_PKT(0xc304),
150 	PSIL_PDMA_XY_PKT(0xc305),
151 	PSIL_PDMA_XY_PKT(0xc306),
152 	PSIL_PDMA_XY_PKT(0xc307),
153 	PSIL_PDMA_XY_PKT(0xc308),
154 	PSIL_PDMA_XY_PKT(0xc309),
155 	PSIL_PDMA_XY_PKT(0xc30a),
156 	PSIL_PDMA_XY_PKT(0xc30b),
157 	/* PDMA_MAIN1 - UART0-6 */
158 	PSIL_PDMA_XY_PKT(0xc400),
159 	PSIL_PDMA_XY_PKT(0xc401),
160 	PSIL_PDMA_XY_PKT(0xc402),
161 	PSIL_PDMA_XY_PKT(0xc403),
162 	PSIL_PDMA_XY_PKT(0xc404),
163 	PSIL_PDMA_XY_PKT(0xc405),
164 	PSIL_PDMA_XY_PKT(0xc406),
165 	/* PDMA_MAIN2 - MCASP0-2 */
166 	PSIL_PDMA_MCASP(0xc500),
167 	PSIL_PDMA_MCASP(0xc501),
168 	PSIL_PDMA_MCASP(0xc502),
169 	/* CPSW3G */
170 	PSIL_ETHERNET(0xc600, 19, 19, 8),
171 	PSIL_ETHERNET(0xc601, 20, 27, 8),
172 	PSIL_ETHERNET(0xc602, 21, 35, 8),
173 	PSIL_ETHERNET(0xc603, 22, 43, 8),
174 	PSIL_ETHERNET(0xc604, 23, 51, 8),
175 	PSIL_ETHERNET(0xc605, 24, 59, 8),
176 	PSIL_ETHERNET(0xc606, 25, 67, 8),
177 	PSIL_ETHERNET(0xc607, 26, 75, 8),
178 };
179 
180 struct psil_ep_map am62_ep_map = {
181 	.name = "am62",
182 	.src = am62_src_ep_map,
183 	.src_count = ARRAY_SIZE(am62_src_ep_map),
184 	.dst = am62_dst_ep_map,
185 	.dst_count = ARRAY_SIZE(am62_dst_ep_map),
186 };
187