xref: /openbmc/linux/drivers/dma/ti/k3-psil-j721e.c (revision aa5b395b)
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 /* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
62 static struct psil_ep j721e_src_ep_map[] = {
63 	/* SA2UL */
64 	PSIL_SA2UL(0x4000, 0),
65 	PSIL_SA2UL(0x4001, 0),
66 	PSIL_SA2UL(0x4002, 0),
67 	PSIL_SA2UL(0x4003, 0),
68 	/* PRU_ICSSG0 */
69 	PSIL_ETHERNET(0x4100),
70 	PSIL_ETHERNET(0x4101),
71 	PSIL_ETHERNET(0x4102),
72 	PSIL_ETHERNET(0x4103),
73 	/* PRU_ICSSG1 */
74 	PSIL_ETHERNET(0x4200),
75 	PSIL_ETHERNET(0x4201),
76 	PSIL_ETHERNET(0x4202),
77 	PSIL_ETHERNET(0x4203),
78 	/* PDMA6 (PSIL_PDMA_MCASP_G0) - McASP0-2 */
79 	PSIL_PDMA_MCASP(0x4400),
80 	PSIL_PDMA_MCASP(0x4401),
81 	PSIL_PDMA_MCASP(0x4402),
82 	/* PDMA7 (PSIL_PDMA_MCASP_G1) - McASP3-11 */
83 	PSIL_PDMA_MCASP(0x4500),
84 	PSIL_PDMA_MCASP(0x4501),
85 	PSIL_PDMA_MCASP(0x4502),
86 	PSIL_PDMA_MCASP(0x4503),
87 	PSIL_PDMA_MCASP(0x4504),
88 	PSIL_PDMA_MCASP(0x4505),
89 	PSIL_PDMA_MCASP(0x4506),
90 	PSIL_PDMA_MCASP(0x4507),
91 	PSIL_PDMA_MCASP(0x4508),
92 	/* PDMA8 (PDMA_MISC_G0) - SPI0-1 */
93 	PSIL_PDMA_XY_PKT(0x4600),
94 	PSIL_PDMA_XY_PKT(0x4601),
95 	PSIL_PDMA_XY_PKT(0x4602),
96 	PSIL_PDMA_XY_PKT(0x4603),
97 	PSIL_PDMA_XY_PKT(0x4604),
98 	PSIL_PDMA_XY_PKT(0x4605),
99 	PSIL_PDMA_XY_PKT(0x4606),
100 	PSIL_PDMA_XY_PKT(0x4607),
101 	/* PDMA9 (PDMA_MISC_G1) - SPI2-3 */
102 	PSIL_PDMA_XY_PKT(0x460c),
103 	PSIL_PDMA_XY_PKT(0x460d),
104 	PSIL_PDMA_XY_PKT(0x460e),
105 	PSIL_PDMA_XY_PKT(0x460f),
106 	PSIL_PDMA_XY_PKT(0x4610),
107 	PSIL_PDMA_XY_PKT(0x4611),
108 	PSIL_PDMA_XY_PKT(0x4612),
109 	PSIL_PDMA_XY_PKT(0x4613),
110 	/* PDMA10 (PDMA_MISC_G2) - SPI4-5 */
111 	PSIL_PDMA_XY_PKT(0x4618),
112 	PSIL_PDMA_XY_PKT(0x4619),
113 	PSIL_PDMA_XY_PKT(0x461a),
114 	PSIL_PDMA_XY_PKT(0x461b),
115 	PSIL_PDMA_XY_PKT(0x461c),
116 	PSIL_PDMA_XY_PKT(0x461d),
117 	PSIL_PDMA_XY_PKT(0x461e),
118 	PSIL_PDMA_XY_PKT(0x461f),
119 	/* PDMA11 (PDMA_MISC_G3) */
120 	PSIL_PDMA_XY_PKT(0x4624),
121 	PSIL_PDMA_XY_PKT(0x4625),
122 	PSIL_PDMA_XY_PKT(0x4626),
123 	PSIL_PDMA_XY_PKT(0x4627),
124 	PSIL_PDMA_XY_PKT(0x4628),
125 	PSIL_PDMA_XY_PKT(0x4629),
126 	PSIL_PDMA_XY_PKT(0x4630),
127 	PSIL_PDMA_XY_PKT(0x463a),
128 	/* PDMA13 (PDMA_USART_G0) - UART0-1 */
129 	PSIL_PDMA_XY_PKT(0x4700),
130 	PSIL_PDMA_XY_PKT(0x4701),
131 	/* PDMA14 (PDMA_USART_G1) - UART2-3 */
132 	PSIL_PDMA_XY_PKT(0x4702),
133 	PSIL_PDMA_XY_PKT(0x4703),
134 	/* PDMA15 (PDMA_USART_G2) - UART4-9 */
135 	PSIL_PDMA_XY_PKT(0x4704),
136 	PSIL_PDMA_XY_PKT(0x4705),
137 	PSIL_PDMA_XY_PKT(0x4706),
138 	PSIL_PDMA_XY_PKT(0x4707),
139 	PSIL_PDMA_XY_PKT(0x4708),
140 	PSIL_PDMA_XY_PKT(0x4709),
141 	/* CPSW9 */
142 	PSIL_ETHERNET(0x4a00),
143 	/* CPSW0 */
144 	PSIL_ETHERNET(0x7000),
145 	/* MCU_PDMA0 (MCU_PDMA_MISC_G0) - SPI0 */
146 	PSIL_PDMA_XY_PKT(0x7100),
147 	PSIL_PDMA_XY_PKT(0x7101),
148 	PSIL_PDMA_XY_PKT(0x7102),
149 	PSIL_PDMA_XY_PKT(0x7103),
150 	/* MCU_PDMA1 (MCU_PDMA_MISC_G1) - SPI1-2 */
151 	PSIL_PDMA_XY_PKT(0x7200),
152 	PSIL_PDMA_XY_PKT(0x7201),
153 	PSIL_PDMA_XY_PKT(0x7202),
154 	PSIL_PDMA_XY_PKT(0x7203),
155 	PSIL_PDMA_XY_PKT(0x7204),
156 	PSIL_PDMA_XY_PKT(0x7205),
157 	PSIL_PDMA_XY_PKT(0x7206),
158 	PSIL_PDMA_XY_PKT(0x7207),
159 	/* MCU_PDMA2 (MCU_PDMA_MISC_G2) - UART0 */
160 	PSIL_PDMA_XY_PKT(0x7300),
161 	/* MCU_PDMA_ADC - ADC0-1 */
162 	PSIL_PDMA_XY_TR(0x7400),
163 	PSIL_PDMA_XY_TR(0x7401),
164 	PSIL_PDMA_XY_TR(0x7402),
165 	PSIL_PDMA_XY_TR(0x7403),
166 	/* SA2UL */
167 	PSIL_SA2UL(0x7500, 0),
168 	PSIL_SA2UL(0x7501, 0),
169 };
170 
171 /* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
172 static struct psil_ep j721e_dst_ep_map[] = {
173 	/* SA2UL */
174 	PSIL_SA2UL(0xc000, 1),
175 	PSIL_SA2UL(0xc001, 1),
176 	/* PRU_ICSSG0 */
177 	PSIL_ETHERNET(0xc100),
178 	PSIL_ETHERNET(0xc101),
179 	PSIL_ETHERNET(0xc102),
180 	PSIL_ETHERNET(0xc103),
181 	PSIL_ETHERNET(0xc104),
182 	PSIL_ETHERNET(0xc105),
183 	PSIL_ETHERNET(0xc106),
184 	PSIL_ETHERNET(0xc107),
185 	/* PRU_ICSSG1 */
186 	PSIL_ETHERNET(0xc200),
187 	PSIL_ETHERNET(0xc201),
188 	PSIL_ETHERNET(0xc202),
189 	PSIL_ETHERNET(0xc203),
190 	PSIL_ETHERNET(0xc204),
191 	PSIL_ETHERNET(0xc205),
192 	PSIL_ETHERNET(0xc206),
193 	PSIL_ETHERNET(0xc207),
194 	/* CPSW9 */
195 	PSIL_ETHERNET(0xca00),
196 	PSIL_ETHERNET(0xca01),
197 	PSIL_ETHERNET(0xca02),
198 	PSIL_ETHERNET(0xca03),
199 	PSIL_ETHERNET(0xca04),
200 	PSIL_ETHERNET(0xca05),
201 	PSIL_ETHERNET(0xca06),
202 	PSIL_ETHERNET(0xca07),
203 	/* CPSW0 */
204 	PSIL_ETHERNET(0xf000),
205 	PSIL_ETHERNET(0xf001),
206 	PSIL_ETHERNET(0xf002),
207 	PSIL_ETHERNET(0xf003),
208 	PSIL_ETHERNET(0xf004),
209 	PSIL_ETHERNET(0xf005),
210 	PSIL_ETHERNET(0xf006),
211 	PSIL_ETHERNET(0xf007),
212 	/* SA2UL */
213 	PSIL_SA2UL(0xf500, 1),
214 };
215 
216 struct psil_ep_map j721e_ep_map = {
217 	.name = "j721e",
218 	.src = j721e_src_ep_map,
219 	.src_count = ARRAY_SIZE(j721e_src_ep_map),
220 	.dst = j721e_dst_ep_map,
221 	.dst_count = ARRAY_SIZE(j721e_dst_ep_map),
222 };
223