xref: /openbmc/linux/drivers/dma/ti/k3-psil-am64.c (revision b737eecd)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  *  Copyright (C) 2020 Texas Instruments Incorporated - https://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 			.mapped_channel_id = -1,		\
17 			.default_flow_id = -1,			\
18 		},						\
19 	}
20 
21 #define PSIL_PDMA_XY_PKT(x)					\
22 	{							\
23 		.thread_id = x,					\
24 		.ep_config = {					\
25 			.ep_type = PSIL_EP_PDMA_XY,		\
26 			.mapped_channel_id = -1,		\
27 			.default_flow_id = -1,			\
28 			.pkt_mode = 1,				\
29 		},						\
30 	}
31 
32 #define PSIL_ETHERNET(x, ch, flow_base, flow_cnt)		\
33 	{							\
34 		.thread_id = x,					\
35 		.ep_config = {					\
36 			.ep_type = PSIL_EP_NATIVE,		\
37 			.pkt_mode = 1,				\
38 			.needs_epib = 1,			\
39 			.psd_size = 16,				\
40 			.mapped_channel_id = ch,		\
41 			.flow_start = flow_base,		\
42 			.flow_num = flow_cnt,			\
43 			.default_flow_id = flow_base,		\
44 		},						\
45 	}
46 
47 #define PSIL_SAUL(x, ch, flow_base, flow_cnt, default_flow, tx)	\
48 	{							\
49 		.thread_id = x,					\
50 		.ep_config = {					\
51 			.ep_type = PSIL_EP_NATIVE,		\
52 			.pkt_mode = 1,				\
53 			.needs_epib = 1,			\
54 			.psd_size = 64,				\
55 			.mapped_channel_id = ch,		\
56 			.flow_start = flow_base,		\
57 			.flow_num = flow_cnt,			\
58 			.default_flow_id = default_flow,	\
59 			.notdpkt = tx,				\
60 		},						\
61 	}
62 
63 /* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
64 static struct psil_ep am64_src_ep_map[] = {
65 	/* SAUL */
66 	PSIL_SAUL(0x4000, 17, 32, 8, 32, 0),
67 	PSIL_SAUL(0x4001, 18, 32, 8, 33, 0),
68 	PSIL_SAUL(0x4002, 19, 40, 8, 40, 0),
69 	PSIL_SAUL(0x4003, 20, 40, 8, 41, 0),
70 	/* ICSS_G0 */
71 	PSIL_ETHERNET(0x4100, 21, 48, 16),
72 	PSIL_ETHERNET(0x4101, 22, 64, 16),
73 	PSIL_ETHERNET(0x4102, 23, 80, 16),
74 	PSIL_ETHERNET(0x4103, 24, 96, 16),
75 	/* ICSS_G1 */
76 	PSIL_ETHERNET(0x4200, 25, 112, 16),
77 	PSIL_ETHERNET(0x4201, 26, 128, 16),
78 	PSIL_ETHERNET(0x4202, 27, 144, 16),
79 	PSIL_ETHERNET(0x4203, 28, 160, 16),
80 	/* PDMA_MAIN0 - SPI0-3 */
81 	PSIL_PDMA_XY_PKT(0x4300),
82 	PSIL_PDMA_XY_PKT(0x4301),
83 	PSIL_PDMA_XY_PKT(0x4302),
84 	PSIL_PDMA_XY_PKT(0x4303),
85 	PSIL_PDMA_XY_PKT(0x4304),
86 	PSIL_PDMA_XY_PKT(0x4305),
87 	PSIL_PDMA_XY_PKT(0x4306),
88 	PSIL_PDMA_XY_PKT(0x4307),
89 	PSIL_PDMA_XY_PKT(0x4308),
90 	PSIL_PDMA_XY_PKT(0x4309),
91 	PSIL_PDMA_XY_PKT(0x430a),
92 	PSIL_PDMA_XY_PKT(0x430b),
93 	PSIL_PDMA_XY_PKT(0x430c),
94 	PSIL_PDMA_XY_PKT(0x430d),
95 	PSIL_PDMA_XY_PKT(0x430e),
96 	PSIL_PDMA_XY_PKT(0x430f),
97 	/* PDMA_MAIN0 - USART0-1 */
98 	PSIL_PDMA_XY_PKT(0x4310),
99 	PSIL_PDMA_XY_PKT(0x4311),
100 	/* PDMA_MAIN1 - SPI4 */
101 	PSIL_PDMA_XY_PKT(0x4400),
102 	PSIL_PDMA_XY_PKT(0x4401),
103 	PSIL_PDMA_XY_PKT(0x4402),
104 	PSIL_PDMA_XY_PKT(0x4403),
105 	/* PDMA_MAIN1 - USART2-6 */
106 	PSIL_PDMA_XY_PKT(0x4404),
107 	PSIL_PDMA_XY_PKT(0x4405),
108 	PSIL_PDMA_XY_PKT(0x4406),
109 	PSIL_PDMA_XY_PKT(0x4407),
110 	PSIL_PDMA_XY_PKT(0x4408),
111 	/* PDMA_MAIN1 - ADCs */
112 	PSIL_PDMA_XY_TR(0x440f),
113 	PSIL_PDMA_XY_TR(0x4410),
114 	/* CPSW2 */
115 	PSIL_ETHERNET(0x4500, 16, 16, 16),
116 };
117 
118 /* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
119 static struct psil_ep am64_dst_ep_map[] = {
120 	/* SAUL */
121 	PSIL_SAUL(0xc000, 24, 80, 8, 80, 1),
122 	PSIL_SAUL(0xc001, 25, 88, 8, 88, 1),
123 	/* ICSS_G0 */
124 	PSIL_ETHERNET(0xc100, 26, 96, 1),
125 	PSIL_ETHERNET(0xc101, 27, 97, 1),
126 	PSIL_ETHERNET(0xc102, 28, 98, 1),
127 	PSIL_ETHERNET(0xc103, 29, 99, 1),
128 	PSIL_ETHERNET(0xc104, 30, 100, 1),
129 	PSIL_ETHERNET(0xc105, 31, 101, 1),
130 	PSIL_ETHERNET(0xc106, 32, 102, 1),
131 	PSIL_ETHERNET(0xc107, 33, 103, 1),
132 	/* ICSS_G1 */
133 	PSIL_ETHERNET(0xc200, 34, 104, 1),
134 	PSIL_ETHERNET(0xc201, 35, 105, 1),
135 	PSIL_ETHERNET(0xc202, 36, 106, 1),
136 	PSIL_ETHERNET(0xc203, 37, 107, 1),
137 	PSIL_ETHERNET(0xc204, 38, 108, 1),
138 	PSIL_ETHERNET(0xc205, 39, 109, 1),
139 	PSIL_ETHERNET(0xc206, 40, 110, 1),
140 	PSIL_ETHERNET(0xc207, 41, 111, 1),
141 	/* CPSW2 */
142 	PSIL_ETHERNET(0xc500, 16, 16, 8),
143 	PSIL_ETHERNET(0xc501, 17, 24, 8),
144 	PSIL_ETHERNET(0xc502, 18, 32, 8),
145 	PSIL_ETHERNET(0xc503, 19, 40, 8),
146 	PSIL_ETHERNET(0xc504, 20, 48, 8),
147 	PSIL_ETHERNET(0xc505, 21, 56, 8),
148 	PSIL_ETHERNET(0xc506, 22, 64, 8),
149 	PSIL_ETHERNET(0xc507, 23, 72, 8),
150 };
151 
152 struct psil_ep_map am64_ep_map = {
153 	.name = "am64",
154 	.src = am64_src_ep_map,
155 	.src_count = ARRAY_SIZE(am64_src_ep_map),
156 	.dst = am64_dst_ep_map,
157 	.dst_count = ARRAY_SIZE(am64_dst_ep_map),
158 };
159