xref: /openbmc/linux/drivers/dma/ti/k3-psil-am654.c (revision 2bd8010a)
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) */
52 static 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) */
127 static 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 
169 struct 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