xref: /openbmc/linux/drivers/dma/ti/k3-psil-j721e.c (revision 2326f3cd)
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_PDMA_MCASP(x)				\
29 	{						\
30 		.thread_id = x,				\
31 		.ep_config = {				\
32 			.ep_type = PSIL_EP_PDMA_XY,	\
33 			.pdma_acc32 = 1,		\
34 			.pdma_burst = 1,		\
35 		},					\
36 	}
37 
38 #define PSIL_ETHERNET(x)				\
39 	{						\
40 		.thread_id = x,				\
41 		.ep_config = {				\
42 			.ep_type = PSIL_EP_NATIVE,	\
43 			.pkt_mode = 1,			\
44 			.needs_epib = 1,		\
45 			.psd_size = 16,			\
46 		},					\
47 	}
48 
49 #define PSIL_SA2UL(x, tx)				\
50 	{						\
51 		.thread_id = x,				\
52 		.ep_config = {				\
53 			.ep_type = PSIL_EP_NATIVE,	\
54 			.pkt_mode = 1,			\
55 			.needs_epib = 1,		\
56 			.psd_size = 64,			\
57 			.notdpkt = tx,			\
58 		},					\
59 	}
60 
61 #define PSIL_CSI2RX(x)					\
62 	{						\
63 		.thread_id = x,				\
64 		.ep_config = {				\
65 			.ep_type = PSIL_EP_NATIVE,	\
66 		},					\
67 	}
68 
69 /* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
70 static struct psil_ep j721e_src_ep_map[] = {
71 	/* SA2UL */
72 	PSIL_SA2UL(0x4000, 0),
73 	PSIL_SA2UL(0x4001, 0),
74 	PSIL_SA2UL(0x4002, 0),
75 	PSIL_SA2UL(0x4003, 0),
76 	/* PRU_ICSSG0 */
77 	PSIL_ETHERNET(0x4100),
78 	PSIL_ETHERNET(0x4101),
79 	PSIL_ETHERNET(0x4102),
80 	PSIL_ETHERNET(0x4103),
81 	/* PRU_ICSSG1 */
82 	PSIL_ETHERNET(0x4200),
83 	PSIL_ETHERNET(0x4201),
84 	PSIL_ETHERNET(0x4202),
85 	PSIL_ETHERNET(0x4203),
86 	/* PDMA6 (PSIL_PDMA_MCASP_G0) - McASP0-2 */
87 	PSIL_PDMA_MCASP(0x4400),
88 	PSIL_PDMA_MCASP(0x4401),
89 	PSIL_PDMA_MCASP(0x4402),
90 	/* PDMA7 (PSIL_PDMA_MCASP_G1) - McASP3-11 */
91 	PSIL_PDMA_MCASP(0x4500),
92 	PSIL_PDMA_MCASP(0x4501),
93 	PSIL_PDMA_MCASP(0x4502),
94 	PSIL_PDMA_MCASP(0x4503),
95 	PSIL_PDMA_MCASP(0x4504),
96 	PSIL_PDMA_MCASP(0x4505),
97 	PSIL_PDMA_MCASP(0x4506),
98 	PSIL_PDMA_MCASP(0x4507),
99 	PSIL_PDMA_MCASP(0x4508),
100 	/* PDMA8 (PDMA_MISC_G0) - SPI0-1 */
101 	PSIL_PDMA_XY_PKT(0x4600),
102 	PSIL_PDMA_XY_PKT(0x4601),
103 	PSIL_PDMA_XY_PKT(0x4602),
104 	PSIL_PDMA_XY_PKT(0x4603),
105 	PSIL_PDMA_XY_PKT(0x4604),
106 	PSIL_PDMA_XY_PKT(0x4605),
107 	PSIL_PDMA_XY_PKT(0x4606),
108 	PSIL_PDMA_XY_PKT(0x4607),
109 	/* PDMA9 (PDMA_MISC_G1) - SPI2-3 */
110 	PSIL_PDMA_XY_PKT(0x460c),
111 	PSIL_PDMA_XY_PKT(0x460d),
112 	PSIL_PDMA_XY_PKT(0x460e),
113 	PSIL_PDMA_XY_PKT(0x460f),
114 	PSIL_PDMA_XY_PKT(0x4610),
115 	PSIL_PDMA_XY_PKT(0x4611),
116 	PSIL_PDMA_XY_PKT(0x4612),
117 	PSIL_PDMA_XY_PKT(0x4613),
118 	/* PDMA10 (PDMA_MISC_G2) - SPI4-5 */
119 	PSIL_PDMA_XY_PKT(0x4618),
120 	PSIL_PDMA_XY_PKT(0x4619),
121 	PSIL_PDMA_XY_PKT(0x461a),
122 	PSIL_PDMA_XY_PKT(0x461b),
123 	PSIL_PDMA_XY_PKT(0x461c),
124 	PSIL_PDMA_XY_PKT(0x461d),
125 	PSIL_PDMA_XY_PKT(0x461e),
126 	PSIL_PDMA_XY_PKT(0x461f),
127 	/* PDMA11 (PDMA_MISC_G3) */
128 	PSIL_PDMA_XY_PKT(0x4624),
129 	PSIL_PDMA_XY_PKT(0x4625),
130 	PSIL_PDMA_XY_PKT(0x4626),
131 	PSIL_PDMA_XY_PKT(0x4627),
132 	PSIL_PDMA_XY_PKT(0x4628),
133 	PSIL_PDMA_XY_PKT(0x4629),
134 	PSIL_PDMA_XY_PKT(0x4630),
135 	PSIL_PDMA_XY_PKT(0x463a),
136 	/* PDMA13 (PDMA_USART_G0) - UART0-1 */
137 	PSIL_PDMA_XY_PKT(0x4700),
138 	PSIL_PDMA_XY_PKT(0x4701),
139 	/* PDMA14 (PDMA_USART_G1) - UART2-3 */
140 	PSIL_PDMA_XY_PKT(0x4702),
141 	PSIL_PDMA_XY_PKT(0x4703),
142 	/* PDMA15 (PDMA_USART_G2) - UART4-9 */
143 	PSIL_PDMA_XY_PKT(0x4704),
144 	PSIL_PDMA_XY_PKT(0x4705),
145 	PSIL_PDMA_XY_PKT(0x4706),
146 	PSIL_PDMA_XY_PKT(0x4707),
147 	PSIL_PDMA_XY_PKT(0x4708),
148 	PSIL_PDMA_XY_PKT(0x4709),
149 	/* CSI2RX */
150 	PSIL_CSI2RX(0x4940),
151 	PSIL_CSI2RX(0x4941),
152 	PSIL_CSI2RX(0x4942),
153 	PSIL_CSI2RX(0x4943),
154 	PSIL_CSI2RX(0x4944),
155 	PSIL_CSI2RX(0x4945),
156 	PSIL_CSI2RX(0x4946),
157 	PSIL_CSI2RX(0x4947),
158 	PSIL_CSI2RX(0x4948),
159 	PSIL_CSI2RX(0x4949),
160 	PSIL_CSI2RX(0x494a),
161 	PSIL_CSI2RX(0x494b),
162 	PSIL_CSI2RX(0x494c),
163 	PSIL_CSI2RX(0x494d),
164 	PSIL_CSI2RX(0x494e),
165 	PSIL_CSI2RX(0x494f),
166 	PSIL_CSI2RX(0x4950),
167 	PSIL_CSI2RX(0x4951),
168 	PSIL_CSI2RX(0x4952),
169 	PSIL_CSI2RX(0x4953),
170 	PSIL_CSI2RX(0x4954),
171 	PSIL_CSI2RX(0x4955),
172 	PSIL_CSI2RX(0x4956),
173 	PSIL_CSI2RX(0x4957),
174 	PSIL_CSI2RX(0x4958),
175 	PSIL_CSI2RX(0x4959),
176 	PSIL_CSI2RX(0x495a),
177 	PSIL_CSI2RX(0x495b),
178 	PSIL_CSI2RX(0x495c),
179 	PSIL_CSI2RX(0x495d),
180 	PSIL_CSI2RX(0x495e),
181 	PSIL_CSI2RX(0x495f),
182 	PSIL_CSI2RX(0x4960),
183 	PSIL_CSI2RX(0x4961),
184 	PSIL_CSI2RX(0x4962),
185 	PSIL_CSI2RX(0x4963),
186 	PSIL_CSI2RX(0x4964),
187 	PSIL_CSI2RX(0x4965),
188 	PSIL_CSI2RX(0x4966),
189 	PSIL_CSI2RX(0x4967),
190 	PSIL_CSI2RX(0x4968),
191 	PSIL_CSI2RX(0x4969),
192 	PSIL_CSI2RX(0x496a),
193 	PSIL_CSI2RX(0x496b),
194 	PSIL_CSI2RX(0x496c),
195 	PSIL_CSI2RX(0x496d),
196 	PSIL_CSI2RX(0x496e),
197 	PSIL_CSI2RX(0x496f),
198 	PSIL_CSI2RX(0x4970),
199 	PSIL_CSI2RX(0x4971),
200 	PSIL_CSI2RX(0x4972),
201 	PSIL_CSI2RX(0x4973),
202 	PSIL_CSI2RX(0x4974),
203 	PSIL_CSI2RX(0x4975),
204 	PSIL_CSI2RX(0x4976),
205 	PSIL_CSI2RX(0x4977),
206 	PSIL_CSI2RX(0x4978),
207 	PSIL_CSI2RX(0x4979),
208 	PSIL_CSI2RX(0x497a),
209 	PSIL_CSI2RX(0x497b),
210 	PSIL_CSI2RX(0x497c),
211 	PSIL_CSI2RX(0x497d),
212 	PSIL_CSI2RX(0x497e),
213 	PSIL_CSI2RX(0x497f),
214 	/* CPSW9 */
215 	PSIL_ETHERNET(0x4a00),
216 	/* CPSW0 */
217 	PSIL_ETHERNET(0x7000),
218 	/* MCU_PDMA0 (MCU_PDMA_MISC_G0) - SPI0 */
219 	PSIL_PDMA_XY_PKT(0x7100),
220 	PSIL_PDMA_XY_PKT(0x7101),
221 	PSIL_PDMA_XY_PKT(0x7102),
222 	PSIL_PDMA_XY_PKT(0x7103),
223 	/* MCU_PDMA1 (MCU_PDMA_MISC_G1) - SPI1-2 */
224 	PSIL_PDMA_XY_PKT(0x7200),
225 	PSIL_PDMA_XY_PKT(0x7201),
226 	PSIL_PDMA_XY_PKT(0x7202),
227 	PSIL_PDMA_XY_PKT(0x7203),
228 	PSIL_PDMA_XY_PKT(0x7204),
229 	PSIL_PDMA_XY_PKT(0x7205),
230 	PSIL_PDMA_XY_PKT(0x7206),
231 	PSIL_PDMA_XY_PKT(0x7207),
232 	/* MCU_PDMA2 (MCU_PDMA_MISC_G2) - UART0 */
233 	PSIL_PDMA_XY_PKT(0x7300),
234 	/* MCU_PDMA_ADC - ADC0-1 */
235 	PSIL_PDMA_XY_TR(0x7400),
236 	PSIL_PDMA_XY_TR(0x7401),
237 	PSIL_PDMA_XY_TR(0x7402),
238 	PSIL_PDMA_XY_TR(0x7403),
239 	/* SA2UL */
240 	PSIL_SA2UL(0x7500, 0),
241 	PSIL_SA2UL(0x7501, 0),
242 	PSIL_SA2UL(0x7502, 0),
243 	PSIL_SA2UL(0x7503, 0),
244 };
245 
246 /* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
247 static struct psil_ep j721e_dst_ep_map[] = {
248 	/* SA2UL */
249 	PSIL_SA2UL(0xc000, 1),
250 	PSIL_SA2UL(0xc001, 1),
251 	/* PRU_ICSSG0 */
252 	PSIL_ETHERNET(0xc100),
253 	PSIL_ETHERNET(0xc101),
254 	PSIL_ETHERNET(0xc102),
255 	PSIL_ETHERNET(0xc103),
256 	PSIL_ETHERNET(0xc104),
257 	PSIL_ETHERNET(0xc105),
258 	PSIL_ETHERNET(0xc106),
259 	PSIL_ETHERNET(0xc107),
260 	/* PRU_ICSSG1 */
261 	PSIL_ETHERNET(0xc200),
262 	PSIL_ETHERNET(0xc201),
263 	PSIL_ETHERNET(0xc202),
264 	PSIL_ETHERNET(0xc203),
265 	PSIL_ETHERNET(0xc204),
266 	PSIL_ETHERNET(0xc205),
267 	PSIL_ETHERNET(0xc206),
268 	PSIL_ETHERNET(0xc207),
269 	/* CPSW9 */
270 	PSIL_ETHERNET(0xca00),
271 	PSIL_ETHERNET(0xca01),
272 	PSIL_ETHERNET(0xca02),
273 	PSIL_ETHERNET(0xca03),
274 	PSIL_ETHERNET(0xca04),
275 	PSIL_ETHERNET(0xca05),
276 	PSIL_ETHERNET(0xca06),
277 	PSIL_ETHERNET(0xca07),
278 	/* CPSW0 */
279 	PSIL_ETHERNET(0xf000),
280 	PSIL_ETHERNET(0xf001),
281 	PSIL_ETHERNET(0xf002),
282 	PSIL_ETHERNET(0xf003),
283 	PSIL_ETHERNET(0xf004),
284 	PSIL_ETHERNET(0xf005),
285 	PSIL_ETHERNET(0xf006),
286 	PSIL_ETHERNET(0xf007),
287 	/* SA2UL */
288 	PSIL_SA2UL(0xf500, 1),
289 	PSIL_SA2UL(0xf501, 1),
290 };
291 
292 struct psil_ep_map j721e_ep_map = {
293 	.name = "j721e",
294 	.src = j721e_src_ep_map,
295 	.src_count = ARRAY_SIZE(j721e_src_ep_map),
296 	.dst = j721e_dst_ep_map,
297 	.dst_count = ARRAY_SIZE(j721e_dst_ep_map),
298 };
299