Quelle  k3-psil-am654.c

// SPDX-License-Identifier: GPL-2.0
/*
 *  Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
 *  Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
 */

#include <linux/kernel.h>

#include "k3-psil-priv.h"

#define PSIL_PDMA_XY_TR(x)    \
 {      \
  .thread_id = x,    \
  .ep_config = {    \
   .ep_type = PSIL_EP_PDMA_XY, \
  },     \
 }

#define PSIL_PDMA_XY_PKT(x)    \
 {      \
  .thread_id = x,    \
  .ep_config = {    \
   .ep_type = PSIL_EP_PDMA_XY, \
   .pkt_mode = 1,   \
  },     \
 }

#define PSIL_ETHERNET(x)    \
 {      \
  .thread_id = x,    \
  .ep_config = {    \
   .ep_type = PSIL_EP_NATIVE, \
   .pkt_mode = 1,   \
   .needs_epib = 1,  \
   .psd_size = 16,   \
  },     \
 }

#define PSIL_SA2UL(x, tx)    \
 {      \
  .thread_id = x,    \
  .ep_config = {    \
   .ep_type = PSIL_EP_NATIVE, \
   .pkt_mode = 1,   \
   .needs_epib = 1,  \
   .psd_size = 64,   \
   .notdpkt = tx,   \
  },     \
 }

/* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
static struct psil_ep am654_src_ep_map[] = {
 /* SA2UL */
 PSIL_SA2UL(0x4000, 0),
 PSIL_SA2UL(0x4001, 0),
 PSIL_SA2UL(0x4002, 0),
 PSIL_SA2UL(0x4003, 0),
 /* PRU_ICSSG0 */
 PSIL_ETHERNET(0x4100),
 PSIL_ETHERNET(0x4101),
 PSIL_ETHERNET(0x4102),
 PSIL_ETHERNET(0x4103),
 /* PRU_ICSSG1 */
 PSIL_ETHERNET(0x4200),
 PSIL_ETHERNET(0x4201),
 PSIL_ETHERNET(0x4202),
 PSIL_ETHERNET(0x4203),
 /* PRU_ICSSG2 */
 PSIL_ETHERNET(0x4300),
 PSIL_ETHERNET(0x4301),
 PSIL_ETHERNET(0x4302),
 PSIL_ETHERNET(0x4303),
 /* PDMA0 - McASPs */
 PSIL_PDMA_XY_TR(0x4400),
 PSIL_PDMA_XY_TR(0x4401),
 PSIL_PDMA_XY_TR(0x4402),
 /* PDMA1 - SPI0-4 */
 PSIL_PDMA_XY_PKT(0x4500),
 PSIL_PDMA_XY_PKT(0x4501),
 PSIL_PDMA_XY_PKT(0x4502),
 PSIL_PDMA_XY_PKT(0x4503),
 PSIL_PDMA_XY_PKT(0x4504),
 PSIL_PDMA_XY_PKT(0x4505),
 PSIL_PDMA_XY_PKT(0x4506),
 PSIL_PDMA_XY_PKT(0x4507),
 PSIL_PDMA_XY_PKT(0x4508),
 PSIL_PDMA_XY_PKT(0x4509),
 PSIL_PDMA_XY_PKT(0x450a),
 PSIL_PDMA_XY_PKT(0x450b),
 PSIL_PDMA_XY_PKT(0x450c),
 PSIL_PDMA_XY_PKT(0x450d),
 PSIL_PDMA_XY_PKT(0x450e),
 PSIL_PDMA_XY_PKT(0x450f),
 PSIL_PDMA_XY_PKT(0x4510),
 PSIL_PDMA_XY_PKT(0x4511),
 PSIL_PDMA_XY_PKT(0x4512),
 PSIL_PDMA_XY_PKT(0x4513),
 /* PDMA1 - USART0-2 */
 PSIL_PDMA_XY_PKT(0x4514),
 PSIL_PDMA_XY_PKT(0x4515),
 PSIL_PDMA_XY_PKT(0x4516),
 /* CPSW0 */
 PSIL_ETHERNET(0x7000),
 /* MCU_PDMA0 - ADCs */
 PSIL_PDMA_XY_TR(0x7100),
 PSIL_PDMA_XY_TR(0x7101),
 PSIL_PDMA_XY_TR(0x7102),
 PSIL_PDMA_XY_TR(0x7103),
 /* MCU_PDMA1 - MCU_SPI0-2 */
 PSIL_PDMA_XY_PKT(0x7200),
 PSIL_PDMA_XY_PKT(0x7201),
 PSIL_PDMA_XY_PKT(0x7202),
 PSIL_PDMA_XY_PKT(0x7203),
 PSIL_PDMA_XY_PKT(0x7204),
 PSIL_PDMA_XY_PKT(0x7205),
 PSIL_PDMA_XY_PKT(0x7206),
 PSIL_PDMA_XY_PKT(0x7207),
 PSIL_PDMA_XY_PKT(0x7208),
 PSIL_PDMA_XY_PKT(0x7209),
 PSIL_PDMA_XY_PKT(0x720a),
 PSIL_PDMA_XY_PKT(0x720b),
 /* MCU_PDMA1 - MCU_USART0 */
 PSIL_PDMA_XY_PKT(0x7212),
};

/* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
static struct psil_ep am654_dst_ep_map[] = {
 /* SA2UL */
 PSIL_SA2UL(0xc000, 1),
 PSIL_SA2UL(0xc001, 1),
 /* PRU_ICSSG0 */
 PSIL_ETHERNET(0xc100),
 PSIL_ETHERNET(0xc101),
 PSIL_ETHERNET(0xc102),
 PSIL_ETHERNET(0xc103),
 PSIL_ETHERNET(0xc104),
 PSIL_ETHERNET(0xc105),
 PSIL_ETHERNET(0xc106),
 PSIL_ETHERNET(0xc107),
 /* PRU_ICSSG1 */
 PSIL_ETHERNET(0xc200),
 PSIL_ETHERNET(0xc201),
 PSIL_ETHERNET(0xc202),
 PSIL_ETHERNET(0xc203),
 PSIL_ETHERNET(0xc204),
 PSIL_ETHERNET(0xc205),
 PSIL_ETHERNET(0xc206),
 PSIL_ETHERNET(0xc207),
 /* PRU_ICSSG2 */
 PSIL_ETHERNET(0xc300),
 PSIL_ETHERNET(0xc301),
 PSIL_ETHERNET(0xc302),
 PSIL_ETHERNET(0xc303),
 PSIL_ETHERNET(0xc304),
 PSIL_ETHERNET(0xc305),
 PSIL_ETHERNET(0xc306),
 PSIL_ETHERNET(0xc307),
 /* CPSW0 */
 PSIL_ETHERNET(0xf000),
 PSIL_ETHERNET(0xf001),
 PSIL_ETHERNET(0xf002),
 PSIL_ETHERNET(0xf003),
 PSIL_ETHERNET(0xf004),
 PSIL_ETHERNET(0xf005),
 PSIL_ETHERNET(0xf006),
 PSIL_ETHERNET(0xf007),
};

struct psil_ep_map am654_ep_map = {
 .name = "am654",
 .src = am654_src_ep_map,
 .src_count = ARRAY_SIZE(am654_src_ep_map),
 .dst = am654_dst_ep_map,
 .dst_count = ARRAY_SIZE(am654_dst_ep_map),
};