xref: /openbmc/linux/drivers/dma/ti/k3-psil-j721s2.c (revision e6e8c6c2)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  *  Copyright (C) 2021 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_TR(x)				\
11 	{						\
12 		.thread_id = x,				\
13 		.ep_config = {				\
14 			.ep_type = PSIL_EP_PDMA_XY,	\
15 		},					\
16 	}
17 
18 #define PSIL_PDMA_XY_PKT(x)				\
19 	{						\
20 		.thread_id = x,				\
21 		.ep_config = {				\
22 			.ep_type = PSIL_EP_PDMA_XY,	\
23 			.pkt_mode = 1,			\
24 		},					\
25 	}
26 
27 #define PSIL_PDMA_MCASP(x)				\
28 	{						\
29 		.thread_id = x,				\
30 		.ep_config = {				\
31 			.ep_type = PSIL_EP_PDMA_XY,	\
32 			.pdma_acc32 = 1,		\
33 			.pdma_burst = 1,		\
34 		},					\
35 	}
36 
37 #define PSIL_ETHERNET(x)				\
38 	{						\
39 		.thread_id = x,				\
40 		.ep_config = {				\
41 			.ep_type = PSIL_EP_NATIVE,	\
42 			.pkt_mode = 1,			\
43 			.needs_epib = 1,		\
44 			.psd_size = 16,			\
45 		},					\
46 	}
47 
48 #define PSIL_SA2UL(x, tx)				\
49 	{						\
50 		.thread_id = x,				\
51 		.ep_config = {				\
52 			.ep_type = PSIL_EP_NATIVE,	\
53 			.pkt_mode = 1,			\
54 			.needs_epib = 1,		\
55 			.psd_size = 64,			\
56 			.notdpkt = tx,			\
57 		},					\
58 	}
59 
60 /* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
61 static struct psil_ep j721s2_src_ep_map[] = {
62 	/* PDMA_MCASP - McASP0-4 */
63 	PSIL_PDMA_MCASP(0x4400),
64 	PSIL_PDMA_MCASP(0x4401),
65 	PSIL_PDMA_MCASP(0x4402),
66 	PSIL_PDMA_MCASP(0x4403),
67 	PSIL_PDMA_MCASP(0x4404),
68 	/* PDMA_SPI_G0 - SPI0-3 */
69 	PSIL_PDMA_XY_PKT(0x4600),
70 	PSIL_PDMA_XY_PKT(0x4601),
71 	PSIL_PDMA_XY_PKT(0x4602),
72 	PSIL_PDMA_XY_PKT(0x4603),
73 	PSIL_PDMA_XY_PKT(0x4604),
74 	PSIL_PDMA_XY_PKT(0x4605),
75 	PSIL_PDMA_XY_PKT(0x4606),
76 	PSIL_PDMA_XY_PKT(0x4607),
77 	PSIL_PDMA_XY_PKT(0x4608),
78 	PSIL_PDMA_XY_PKT(0x4609),
79 	PSIL_PDMA_XY_PKT(0x460a),
80 	PSIL_PDMA_XY_PKT(0x460b),
81 	PSIL_PDMA_XY_PKT(0x460c),
82 	PSIL_PDMA_XY_PKT(0x460d),
83 	PSIL_PDMA_XY_PKT(0x460e),
84 	PSIL_PDMA_XY_PKT(0x460f),
85 	/* PDMA_SPI_G1 - SPI4-7 */
86 	PSIL_PDMA_XY_PKT(0x4610),
87 	PSIL_PDMA_XY_PKT(0x4611),
88 	PSIL_PDMA_XY_PKT(0x4612),
89 	PSIL_PDMA_XY_PKT(0x4613),
90 	PSIL_PDMA_XY_PKT(0x4614),
91 	PSIL_PDMA_XY_PKT(0x4615),
92 	PSIL_PDMA_XY_PKT(0x4616),
93 	PSIL_PDMA_XY_PKT(0x4617),
94 	PSIL_PDMA_XY_PKT(0x4618),
95 	PSIL_PDMA_XY_PKT(0x4619),
96 	PSIL_PDMA_XY_PKT(0x461a),
97 	PSIL_PDMA_XY_PKT(0x461b),
98 	PSIL_PDMA_XY_PKT(0x461c),
99 	PSIL_PDMA_XY_PKT(0x461d),
100 	PSIL_PDMA_XY_PKT(0x461e),
101 	PSIL_PDMA_XY_PKT(0x461f),
102 	/* PDMA_USART_G0 - UART0-1 */
103 	PSIL_PDMA_XY_PKT(0x4700),
104 	PSIL_PDMA_XY_PKT(0x4701),
105 	/* PDMA_USART_G1 - UART2-3 */
106 	PSIL_PDMA_XY_PKT(0x4702),
107 	PSIL_PDMA_XY_PKT(0x4703),
108 	/* PDMA_USART_G2 - UART4-9 */
109 	PSIL_PDMA_XY_PKT(0x4704),
110 	PSIL_PDMA_XY_PKT(0x4705),
111 	PSIL_PDMA_XY_PKT(0x4706),
112 	PSIL_PDMA_XY_PKT(0x4707),
113 	PSIL_PDMA_XY_PKT(0x4708),
114 	PSIL_PDMA_XY_PKT(0x4709),
115 	/* MAIN SA2UL */
116 	PSIL_SA2UL(0x4a40, 0),
117 	PSIL_SA2UL(0x4a41, 0),
118 	PSIL_SA2UL(0x4a42, 0),
119 	PSIL_SA2UL(0x4a43, 0),
120 	/* CPSW0 */
121 	PSIL_ETHERNET(0x7000),
122 	/* MCU_PDMA0 (MCU_PDMA_MISC_G0) - SPI0 */
123 	PSIL_PDMA_XY_PKT(0x7100),
124 	PSIL_PDMA_XY_PKT(0x7101),
125 	PSIL_PDMA_XY_PKT(0x7102),
126 	PSIL_PDMA_XY_PKT(0x7103),
127 	/* MCU_PDMA1 (MCU_PDMA_MISC_G1) - SPI1-2 */
128 	PSIL_PDMA_XY_PKT(0x7200),
129 	PSIL_PDMA_XY_PKT(0x7201),
130 	PSIL_PDMA_XY_PKT(0x7202),
131 	PSIL_PDMA_XY_PKT(0x7203),
132 	PSIL_PDMA_XY_PKT(0x7204),
133 	PSIL_PDMA_XY_PKT(0x7205),
134 	PSIL_PDMA_XY_PKT(0x7206),
135 	PSIL_PDMA_XY_PKT(0x7207),
136 	/* MCU_PDMA2 (MCU_PDMA_MISC_G2) - UART0 */
137 	PSIL_PDMA_XY_PKT(0x7300),
138 	/* MCU_PDMA_ADC - ADC0-1 */
139 	PSIL_PDMA_XY_TR(0x7400),
140 	PSIL_PDMA_XY_TR(0x7401),
141 	PSIL_PDMA_XY_TR(0x7402),
142 	PSIL_PDMA_XY_TR(0x7403),
143 	/* SA2UL */
144 	PSIL_SA2UL(0x7500, 0),
145 	PSIL_SA2UL(0x7501, 0),
146 	PSIL_SA2UL(0x7502, 0),
147 	PSIL_SA2UL(0x7503, 0),
148 };
149 
150 /* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
151 static struct psil_ep j721s2_dst_ep_map[] = {
152 	/* MAIN SA2UL */
153 	PSIL_SA2UL(0xca40, 1),
154 	PSIL_SA2UL(0xca41, 1),
155 	/* CPSW0 */
156 	PSIL_ETHERNET(0xf000),
157 	PSIL_ETHERNET(0xf001),
158 	PSIL_ETHERNET(0xf002),
159 	PSIL_ETHERNET(0xf003),
160 	PSIL_ETHERNET(0xf004),
161 	PSIL_ETHERNET(0xf005),
162 	PSIL_ETHERNET(0xf006),
163 	PSIL_ETHERNET(0xf007),
164 	/* SA2UL */
165 	PSIL_SA2UL(0xf500, 1),
166 	PSIL_SA2UL(0xf501, 1),
167 };
168 
169 struct psil_ep_map j721s2_ep_map = {
170 	.name = "j721s2",
171 	.src = j721s2_src_ep_map,
172 	.src_count = ARRAY_SIZE(j721s2_src_ep_map),
173 	.dst = j721s2_dst_ep_map,
174 	.dst_count = ARRAY_SIZE(j721s2_dst_ep_map),
175 };
176