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e00b1ac8c6
Add support for DMA in J721S2 SoC. Signed-off-by: David Huang <d-huang@ti.com> Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
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* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
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*/
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#include <linux/kernel.h>
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#include <linux/err.h>
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#include "k3-psil-priv.h"
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static const struct psil_ep_map *soc_ep_map;
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struct psil_endpoint_config *psil_get_ep_config(u32 thread_id)
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{
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int i;
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if (!soc_ep_map) {
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if (IS_ENABLED(CONFIG_SOC_K3_AM6))
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soc_ep_map = &am654_ep_map;
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else if (IS_ENABLED(CONFIG_SOC_K3_J721E))
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soc_ep_map = &j721e_ep_map;
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else if (IS_ENABLED(CONFIG_SOC_K3_J721S2))
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soc_ep_map = &j721s2_ep_map;
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else if (IS_ENABLED(CONFIG_SOC_K3_AM642))
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soc_ep_map = &am64_ep_map;
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}
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if (thread_id & K3_PSIL_DST_THREAD_ID_OFFSET && soc_ep_map->dst) {
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/* check in destination thread map */
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for (i = 0; i < soc_ep_map->dst_count; i++) {
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if (soc_ep_map->dst[i].thread_id == thread_id)
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return &soc_ep_map->dst[i].ep_config;
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}
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}
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thread_id &= ~K3_PSIL_DST_THREAD_ID_OFFSET;
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if (soc_ep_map->src) {
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for (i = 0; i < soc_ep_map->src_count; i++) {
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if (soc_ep_map->src[i].thread_id == thread_id)
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return &soc_ep_map->src[i].ep_config;
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}
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}
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return ERR_PTR(-ENOENT);
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}
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