u-boot/drivers/dma/ti/k3-psil.c
Vignesh Raghavendra 6f617d8618 dma: ti: k3-psil-am64: Add AM64 PSIL endpoint data
Add AM64 SoC specific channel mapping and endpoint data.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
2021-05-12 16:36:38 +05:30

44 lines
1.1 KiB
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 <linux/err.h>
#include "k3-psil-priv.h"
static const struct psil_ep_map *soc_ep_map;
struct psil_endpoint_config *psil_get_ep_config(u32 thread_id)
{
int i;
if (!soc_ep_map) {
if (IS_ENABLED(CONFIG_SOC_K3_AM6))
soc_ep_map = &am654_ep_map;
else if (IS_ENABLED(CONFIG_SOC_K3_J721E))
soc_ep_map = &j721e_ep_map;
else if (IS_ENABLED(CONFIG_SOC_K3_AM642))
soc_ep_map = &am64_ep_map;
}
if (thread_id & K3_PSIL_DST_THREAD_ID_OFFSET && soc_ep_map->dst) {
/* check in destination thread map */
for (i = 0; i < soc_ep_map->dst_count; i++) {
if (soc_ep_map->dst[i].thread_id == thread_id)
return &soc_ep_map->dst[i].ep_config;
}
}
thread_id &= ~K3_PSIL_DST_THREAD_ID_OFFSET;
if (soc_ep_map->src) {
for (i = 0; i < soc_ep_map->src_count; i++) {
if (soc_ep_map->src[i].thread_id == thread_id)
return &soc_ep_map->src[i].ep_config;
}
}
return ERR_PTR(-ENOENT);
}