Add support for DMA in J784S4 SoC.
Signed-off-by: Jayesh Choudhary j-choudhary@ti.com Signed-off-by: Hari Nagalla hnagalla@ti.com Signed-off-by: Apurva Nandan a-nandan@ti.com Reviewed-by: Nishanth Menon nm@ti.com Reviewed-by: Roger Quadros rogerq@kernel.org --- drivers/dma/ti/Makefile | 1 + drivers/dma/ti/k3-psil-j784s4.c | 166 ++++++++++++++++++++++++++ drivers/dma/ti/k3-psil-priv.h | 1 + drivers/dma/ti/k3-psil.c | 2 + drivers/firmware/ti_sci_static_data.h | 34 ++++++ 5 files changed, 204 insertions(+) create mode 100644 drivers/dma/ti/k3-psil-j784s4.c
diff --git a/drivers/dma/ti/Makefile b/drivers/dma/ti/Makefile index f4e0271efbf..9e0b13e8c02 100644 --- a/drivers/dma/ti/Makefile +++ b/drivers/dma/ti/Makefile @@ -9,3 +9,4 @@ 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-$(CONFIG_SOC_K3_AM625) += k3-psil-am62.o k3-psil-data-$(CONFIG_SOC_K3_AM62A7) += k3-psil-am62a.o +k3-psil-data-$(CONFIG_SOC_K3_J784S4) += k3-psil-j784s4.o diff --git a/drivers/dma/ti/k3-psil-j784s4.c b/drivers/dma/ti/k3-psil-j784s4.c new file mode 100644 index 00000000000..7f06a1f307c --- /dev/null +++ b/drivers/dma/ti/k3-psil-j784s4.c @@ -0,0 +1,166 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com + */ +#include <linux/kernel.h> + +#include "k3-psil-priv.h" + +#define PSIL_PDMA_XY_TR(x) \ + { \ + .thread_id = x, \ + .ep_config = { \ + .ep_type = PSIL_EP_PDMA_XY, \ + }, \ + } + +#define PSIL_PDMA_XY_PKT(x) \ + { \ + .thread_id = x, \ + .ep_config = { \ + .ep_type = PSIL_EP_PDMA_XY, \ + .pkt_mode = 1, \ + }, \ + } + +#define PSIL_PDMA_MCASP(x) \ + { \ + .thread_id = x, \ + .ep_config = { \ + .ep_type = PSIL_EP_PDMA_XY, \ + .pdma_acc32 = 1, \ + .pdma_burst = 1, \ + }, \ + } + +#define PSIL_ETHERNET(x) \ + { \ + .thread_id = x, \ + .ep_config = { \ + .ep_type = PSIL_EP_NATIVE, \ + .pkt_mode = 1, \ + .needs_epib = 1, \ + .psd_size = 16, \ + }, \ + } + +#define PSIL_SA2UL(x, tx) \ + { \ + .thread_id = x, \ + .ep_config = { \ + .ep_type = PSIL_EP_NATIVE, \ + .pkt_mode = 1, \ + .needs_epib = 1, \ + .psd_size = 64, \ + .notdpkt = tx, \ + }, \ + } + +/* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */ +static struct psil_ep j784s4_src_ep_map[] = { + /* PDMA_MCASP - McASP0-4 */ + PSIL_PDMA_MCASP(0x4400), + PSIL_PDMA_MCASP(0x4401), + PSIL_PDMA_MCASP(0x4402), + PSIL_PDMA_MCASP(0x4403), + PSIL_PDMA_MCASP(0x4404), + /* PDMA_SPI_G0 - SPI0-3 */ + PSIL_PDMA_XY_PKT(0x4600), + PSIL_PDMA_XY_PKT(0x4601), + PSIL_PDMA_XY_PKT(0x4602), + PSIL_PDMA_XY_PKT(0x4603), + PSIL_PDMA_XY_PKT(0x4604), + PSIL_PDMA_XY_PKT(0x4605), + PSIL_PDMA_XY_PKT(0x4606), + PSIL_PDMA_XY_PKT(0x4607), + PSIL_PDMA_XY_PKT(0x4608), + PSIL_PDMA_XY_PKT(0x4609), + PSIL_PDMA_XY_PKT(0x460a), + PSIL_PDMA_XY_PKT(0x460b), + PSIL_PDMA_XY_PKT(0x460c), + PSIL_PDMA_XY_PKT(0x460d), + PSIL_PDMA_XY_PKT(0x460e), + PSIL_PDMA_XY_PKT(0x460f), + /* PDMA_SPI_G1 - SPI4-7 */ + PSIL_PDMA_XY_PKT(0x4610), + PSIL_PDMA_XY_PKT(0x4611), + PSIL_PDMA_XY_PKT(0x4612), + PSIL_PDMA_XY_PKT(0x4613), + PSIL_PDMA_XY_PKT(0x4614), + PSIL_PDMA_XY_PKT(0x4615), + PSIL_PDMA_XY_PKT(0x4616), + PSIL_PDMA_XY_PKT(0x4617), + PSIL_PDMA_XY_PKT(0x4618), + PSIL_PDMA_XY_PKT(0x4619), + PSIL_PDMA_XY_PKT(0x461a), + PSIL_PDMA_XY_PKT(0x461b), + PSIL_PDMA_XY_PKT(0x461c), + PSIL_PDMA_XY_PKT(0x461d), + PSIL_PDMA_XY_PKT(0x461e), + PSIL_PDMA_XY_PKT(0x461f), + /* PDMA_USART_G0 - UART0-1 */ + PSIL_PDMA_XY_PKT(0x4700), + PSIL_PDMA_XY_PKT(0x4701), + /* PDMA_USART_G1 - UART2-3 */ + PSIL_PDMA_XY_PKT(0x4702), + PSIL_PDMA_XY_PKT(0x4703), + /* PDMA_USART_G2 - UART4-9 */ + PSIL_PDMA_XY_PKT(0x4704), + PSIL_PDMA_XY_PKT(0x4705), + PSIL_PDMA_XY_PKT(0x4706), + PSIL_PDMA_XY_PKT(0x4707), + PSIL_PDMA_XY_PKT(0x4708), + PSIL_PDMA_XY_PKT(0x4709), + /* CPSW0 */ + PSIL_ETHERNET(0x7000), + /* MCU_PDMA0 (MCU_PDMA_MISC_G0) - SPI0 */ + PSIL_PDMA_XY_PKT(0x7100), + PSIL_PDMA_XY_PKT(0x7101), + PSIL_PDMA_XY_PKT(0x7102), + PSIL_PDMA_XY_PKT(0x7103), + /* MCU_PDMA1 (MCU_PDMA_MISC_G1) - SPI1-2 */ + PSIL_PDMA_XY_PKT(0x7200), + PSIL_PDMA_XY_PKT(0x7201), + PSIL_PDMA_XY_PKT(0x7202), + PSIL_PDMA_XY_PKT(0x7203), + PSIL_PDMA_XY_PKT(0x7204), + PSIL_PDMA_XY_PKT(0x7205), + PSIL_PDMA_XY_PKT(0x7206), + PSIL_PDMA_XY_PKT(0x7207), + /* MCU_PDMA2 (MCU_PDMA_MISC_G2) - UART0 */ + PSIL_PDMA_XY_PKT(0x7300), + /* MCU_PDMA_ADC - ADC0-1 */ + PSIL_PDMA_XY_TR(0x7400), + PSIL_PDMA_XY_TR(0x7401), + PSIL_PDMA_XY_TR(0x7402), + PSIL_PDMA_XY_TR(0x7403), + /* SA2UL */ + PSIL_SA2UL(0x7500, 0), + PSIL_SA2UL(0x7501, 0), + PSIL_SA2UL(0x7502, 0), + PSIL_SA2UL(0x7503, 0), +}; + +/* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */ +static struct psil_ep j784s4_dst_ep_map[] = { + /* CPSW0 */ + PSIL_ETHERNET(0xf000), + PSIL_ETHERNET(0xf001), + PSIL_ETHERNET(0xf002), + PSIL_ETHERNET(0xf003), + PSIL_ETHERNET(0xf004), + PSIL_ETHERNET(0xf005), + PSIL_ETHERNET(0xf006), + PSIL_ETHERNET(0xf007), + /* SA2UL */ + PSIL_SA2UL(0xf500, 1), + PSIL_SA2UL(0xf501, 1), +}; + +struct psil_ep_map j784s4_ep_map = { + .name = "j784s4", + .src = j784s4_src_ep_map, + .src_count = ARRAY_SIZE(j784s4_src_ep_map), + .dst = j784s4_dst_ep_map, + .dst_count = ARRAY_SIZE(j784s4_dst_ep_map), +}; diff --git a/drivers/dma/ti/k3-psil-priv.h b/drivers/dma/ti/k3-psil-priv.h index 83f873b84ce..02ea1e9ed31 100644 --- a/drivers/dma/ti/k3-psil-priv.h +++ b/drivers/dma/ti/k3-psil-priv.h @@ -43,5 +43,6 @@ extern struct psil_ep_map j721s2_ep_map; extern struct psil_ep_map am64_ep_map; extern struct psil_ep_map am62_ep_map; extern struct psil_ep_map am62a_ep_map; +extern struct psil_ep_map j784s4_ep_map;
#endif /* K3_PSIL_PRIV_H_ */ diff --git a/drivers/dma/ti/k3-psil.c b/drivers/dma/ti/k3-psil.c index d4d4fede8fa..d21ef193e80 100644 --- a/drivers/dma/ti/k3-psil.c +++ b/drivers/dma/ti/k3-psil.c @@ -28,6 +28,8 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id) soc_ep_map = &am62_ep_map; else if (IS_ENABLED(CONFIG_SOC_K3_AM62A7)) soc_ep_map = &am62a_ep_map; + else if (IS_ENABLED(CONFIG_SOC_K3_J784S4)) + soc_ep_map = &j784s4_ep_map; }
if (thread_id & K3_PSIL_DST_THREAD_ID_OFFSET && soc_ep_map->dst) { diff --git a/drivers/firmware/ti_sci_static_data.h b/drivers/firmware/ti_sci_static_data.h index 567ce8911a7..789f0c6b2d9 100644 --- a/drivers/firmware/ti_sci_static_data.h +++ b/drivers/firmware/ti_sci_static_data.h @@ -97,6 +97,40 @@ static struct ti_sci_resource_static_data rm_static_data[] = { }; #endif /* CONFIG_SOC_K3_AM625 || CONFIG_SOC_K3_AM62A7 */
+#if IS_ENABLED(CONFIG_SOC_K3_J784S4) +static struct ti_sci_resource_static_data rm_static_data[] = { + /* Free rings */ + { + .dev_id = 328, + .subtype = 1, + .range_start = 208, + .range_num = 32, + }, + /* TX channels */ + { + .dev_id = 329, + .subtype = 13, + .range_start = 40, + .range_num = 3, + }, + /* RX channels */ + { + .dev_id = 329, + .subtype = 10, + .range_start = 40, + .range_num = 3, + }, + /* RX Free flows */ + { + .dev_id = 329, + .subtype = 0, + .range_start = 84, + .range_num = 8, + }, + { }, +}; +#endif /* CONFIG_SOC_K3_J784S4 */ + #else static struct ti_sci_resource_static_data rm_static_data[] = { { },