Add PSIL data for AM62x SoC.
Signed-off-by: Vignesh Raghavendra vigneshr@ti.com --- drivers/dma/ti/Makefile | 1 + drivers/dma/ti/k3-psil-am62.c | 50 +++++++++++++++++++++++++++++++++++ drivers/dma/ti/k3-psil-priv.h | 1 + drivers/dma/ti/k3-psil.c | 2 ++ 4 files changed, 54 insertions(+) create mode 100644 drivers/dma/ti/k3-psil-am62.c
diff --git a/drivers/dma/ti/Makefile b/drivers/dma/ti/Makefile index 6a4f4f1365..56f348700d 100644 --- a/drivers/dma/ti/Makefile +++ b/drivers/dma/ti/Makefile @@ -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 diff --git a/drivers/dma/ti/k3-psil-am62.c b/drivers/dma/ti/k3-psil-am62.c new file mode 100644 index 0000000000..9527da4cac --- /dev/null +++ b/drivers/dma/ti/k3-psil-am62.c @@ -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), +}; diff --git a/drivers/dma/ti/k3-psil-priv.h b/drivers/dma/ti/k3-psil-priv.h index 77acaf2139..28078c6bd8 100644 --- a/drivers/dma/ti/k3-psil-priv.h +++ b/drivers/dma/ti/k3-psil-priv.h @@ -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_ */ diff --git a/drivers/dma/ti/k3-psil.c b/drivers/dma/ti/k3-psil.c index 8b2129d4f5..f1330bf4b0 100644 --- a/drivers/dma/ti/k3-psil.c +++ b/drivers/dma/ti/k3-psil.c @@ -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) {