This introduces PSIL data specific to AM62L SoC. Based on U-Boot downstream commit:
| commit 3e91f4443a2b01e1a313ee3ecfe2a082c88402af | Author: Vignesh Raghavendra <vigne...@ti.com> | Date: Wed Feb 26 19:55:43 2025 +0530 | | PENDING: dma: ti: k3-psil: Add PSIL data for AM62L | | This introduces PSIL data specific to AM62L SoC | | Signed-off-by: Vignesh Raghavendra <vigne...@ti.com> Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de> --- drivers/dma/ti/Makefile | 2 +- drivers/dma/ti/k3-psil-am62l.c | 50 ++++++++++++++++++++++++++++++++++++++++++ drivers/dma/ti/k3-psil-priv.h | 1 + drivers/dma/ti/k3-psil.c | 2 ++ 4 files changed, 54 insertions(+), 1 deletion(-) diff --git a/drivers/dma/ti/Makefile b/drivers/dma/ti/Makefile index f449429e2a23633a7dadbda1470104d52d49e5e8..b7dfff07210537660965d235c10ea7345c22b0a6 100644 --- a/drivers/dma/ti/Makefile +++ b/drivers/dma/ti/Makefile @@ -1 +1 @@ -obj-$(CONFIG_TI_K3_UDMA) += k3-udma.o k3-psil.o +obj-$(CONFIG_TI_K3_UDMA) += k3-udma.o k3-psil.o k3-psil-am62l.o diff --git a/drivers/dma/ti/k3-psil-am62l.c b/drivers/dma/ti/k3-psil-am62l.c new file mode 100644 index 0000000000000000000000000000000000000000..972895ec56fb4278e958ffa7ec88819e8fbf23ee --- /dev/null +++ b/drivers/dma/ti/k3-psil-am62l.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025 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 am62l_src_ep_map[] = { + /* CPSW3G */ + PSIL_ETHERNET(0x4600, 96, 96, 16), +}; + +/* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */ +static struct psil_ep am62l_dst_ep_map[] = { + /* CPSW3G */ + PSIL_ETHERNET(0xc600, 64, 64, 2), + PSIL_ETHERNET(0xc601, 66, 66, 2), + PSIL_ETHERNET(0xc602, 68, 68, 2), + PSIL_ETHERNET(0xc603, 70, 70, 2), + PSIL_ETHERNET(0xc604, 72, 72, 2), + PSIL_ETHERNET(0xc605, 74, 74, 2), + PSIL_ETHERNET(0xc606, 76, 76, 2), + PSIL_ETHERNET(0xc607, 78, 78, 2), +}; + +struct psil_ep_map am62l_ep_map = { + .name = "am62l", + .src = am62l_src_ep_map, + .src_count = ARRAY_SIZE(am62l_src_ep_map), + .dst = am62l_dst_ep_map, + .dst_count = ARRAY_SIZE(am62l_dst_ep_map), +}; diff --git a/drivers/dma/ti/k3-psil-priv.h b/drivers/dma/ti/k3-psil-priv.h index b80916a7ff8fa728ca41f1dbabc1817bde69cf6e..d00ef99867a4f146621550c9eb308958ca8d182c 100644 --- a/drivers/dma/ti/k3-psil-priv.h +++ b/drivers/dma/ti/k3-psil-priv.h @@ -45,5 +45,6 @@ extern struct psil_ep_map am62_ep_map; extern struct psil_ep_map am62a_ep_map; extern struct psil_ep_map j784s4_ep_map; extern struct psil_ep_map am62p_ep_map; +extern struct psil_ep_map am62l_ep_map; #endif /* K3_PSIL_PRIV_H_ */ diff --git a/drivers/dma/ti/k3-psil.c b/drivers/dma/ti/k3-psil.c index 58f39c0453e9724ad28680fa375a031529687ed8..f517da7afcac17d502af3002494c2cd7cbf7322b 100644 --- a/drivers/dma/ti/k3-psil.c +++ b/drivers/dma/ti/k3-psil.c @@ -62,6 +62,8 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id) if (!soc_ep_map) { if (of_machine_is_compatible("ti,am625")) soc_ep_map = &am62_ep_map; + else if (of_machine_is_compatible("ti,am62l3")) + soc_ep_map = &am62l_ep_map; } if (!soc_ep_map) { -- 2.39.5
