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dma: ti: Add PSIL data for AM62x DMASS

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Add PSIL data for AM62x SoC.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Vignesh Raghavendra
2022-05-25 13:38:44 +05:30
committed by Tom Rini
parent 4b8903a999
commit 720d37ff27
4 changed files with 54 additions and 0 deletions
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1
drivers/dma/ti/Makefile
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@@ -7,3 +7,4 @@ k3-psil-data-$(CONFIG_SOC_K3_AM6) += k3-psil-am654.o
k3-psil-data-$(CONFIG_SOC_K3_J721E) += k3-psil-j721e.o
k3-psil-data-$(CONFIG_SOC_K3_J721S2) += k3-psil-j721s2.o
k3-psil-data-$(CONFIG_SOC_K3_AM642) += k3-psil-am64.o
k3-psil-data-$(CONFIG_SOC_K3_AM625) += k3-psil-am62.o

50
drivers/dma/ti/k3-psil-am62.c Normal file
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@@ -0,0 +1,50 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com
*/
#include <linux/kernel.h>
#include "k3-psil-priv.h"
#define PSIL_ETHERNET(x, ch, flow_base, flow_cnt) \
{ \
.thread_id = x, \
.ep_config = { \
.ep_type = PSIL_EP_NATIVE, \
.pkt_mode = 1, \
.needs_epib = 1, \
.psd_size = 16, \
.mapped_channel_id = ch, \
.flow_start = flow_base, \
.flow_num = flow_cnt, \
.default_flow_id = flow_base, \
}, \
}
/* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
static struct psil_ep am62_src_ep_map[] = {
/* CPSW3G */
PSIL_ETHERNET(0x4600, 19, 19, 16),
};
/* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
static struct psil_ep am62_dst_ep_map[] = {
/* CPSW3G */
PSIL_ETHERNET(0xc600, 19, 19, 8),
PSIL_ETHERNET(0xc601, 20, 27, 8),
PSIL_ETHERNET(0xc602, 21, 35, 8),
PSIL_ETHERNET(0xc603, 22, 43, 8),
PSIL_ETHERNET(0xc604, 23, 51, 8),
PSIL_ETHERNET(0xc605, 24, 59, 8),
PSIL_ETHERNET(0xc606, 25, 67, 8),
PSIL_ETHERNET(0xc607, 26, 75, 8),
};
struct psil_ep_map am62_ep_map = {
.name = "am62",
.src = am62_src_ep_map,
.src_count = ARRAY_SIZE(am62_src_ep_map),
.dst = am62_dst_ep_map,
.dst_count = ARRAY_SIZE(am62_dst_ep_map),
};

1
drivers/dma/ti/k3-psil-priv.h
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@@ -41,5 +41,6 @@ extern struct psil_ep_map am654_ep_map;
extern struct psil_ep_map j721e_ep_map;
extern struct psil_ep_map j721s2_ep_map;
extern struct psil_ep_map am64_ep_map;
extern struct psil_ep_map am62_ep_map;
#endif /* K3_PSIL_PRIV_H_ */

2
drivers/dma/ti/k3-psil.c
View File

@@ -24,6 +24,8 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id)
soc_ep_map = &j721s2_ep_map;
else if (IS_ENABLED(CONFIG_SOC_K3_AM642))
soc_ep_map = &am64_ep_map;
else if (IS_ENABLED(CONFIG_SOC_K3_AM625))
soc_ep_map = &am62_ep_map;
}
if (thread_id & K3_PSIL_DST_THREAD_ID_OFFSET && soc_ep_map->dst) {