drivers/dma/ti/k3-psil-am654.c

   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 };