drivers/dma/ti/k3-psil-am64.c

   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 };