From: David Huang d-huang@ti.com
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 --- drivers/dma/ti/Makefile | 1 + drivers/dma/ti/k3-psil-j721s2.c | 167 ++++++++++++++++++++++++++ drivers/dma/ti/k3-psil-priv.h | 1 + drivers/dma/ti/k3-psil.c | 2 + drivers/firmware/ti_sci_static_data.h | 40 +++++- 5 files changed, 208 insertions(+), 3 deletions(-) create mode 100644 drivers/dma/ti/k3-psil-j721s2.c
diff --git a/drivers/dma/ti/Makefile b/drivers/dma/ti/Makefile index 0391cd3d80c9..6a4f4f1365bd 100644 --- a/drivers/dma/ti/Makefile +++ b/drivers/dma/ti/Makefile @@ -5,4 +5,5 @@ obj-$(CONFIG_TI_K3_PSIL) += k3-psil-data.o k3-psil-data-y += k3-psil.o k3-psil-data-$(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 diff --git a/drivers/dma/ti/k3-psil-j721s2.c b/drivers/dma/ti/k3-psil-j721s2.c new file mode 100644 index 000000000000..4c4172a4d271 --- /dev/null +++ b/drivers/dma/ti/k3-psil-j721s2.c @@ -0,0 +1,167 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2021 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 j721s2_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 j721s2_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 j721s2_ep_map = { + .name = "j721s2", + .src = j721s2_src_ep_map, + .src_count = ARRAY_SIZE(j721s2_src_ep_map), + .dst = j721s2_dst_ep_map, + .dst_count = ARRAY_SIZE(j721s2_dst_ep_map), +}; diff --git a/drivers/dma/ti/k3-psil-priv.h b/drivers/dma/ti/k3-psil-priv.h index 02d1c201a989..77acaf21393a 100644 --- a/drivers/dma/ti/k3-psil-priv.h +++ b/drivers/dma/ti/k3-psil-priv.h @@ -39,6 +39,7 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id); /* SoC PSI-L endpoint maps */ 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;
#endif /* K3_PSIL_PRIV_H_ */ diff --git a/drivers/dma/ti/k3-psil.c b/drivers/dma/ti/k3-psil.c index e82f8075417b..8b2129d4f58d 100644 --- a/drivers/dma/ti/k3-psil.c +++ b/drivers/dma/ti/k3-psil.c @@ -20,6 +20,8 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id) soc_ep_map = &am654_ep_map; else if (IS_ENABLED(CONFIG_SOC_K3_J721E)) soc_ep_map = &j721e_ep_map; + else if (IS_ENABLED(CONFIG_SOC_K3_J721S2)) + soc_ep_map = &j721s2_ep_map; else if (IS_ENABLED(CONFIG_SOC_K3_AM642)) soc_ep_map = &am64_ep_map; } diff --git a/drivers/firmware/ti_sci_static_data.h b/drivers/firmware/ti_sci_static_data.h index 3c506e667ac1..e6a3b66c03fb 100644 --- a/drivers/firmware/ti_sci_static_data.h +++ b/drivers/firmware/ti_sci_static_data.h @@ -56,21 +56,21 @@ static struct ti_sci_resource_static_data rm_static_data[] = { { .dev_id = 235, .subtype = 1, - .range_start = 144, + .range_start = 124, .range_num = 32, }, /* TX channels */ { .dev_id = 236, .subtype = 13, - .range_start = 7, + .range_start = 6, .range_num = 2, }, /* RX channels */ { .dev_id = 236, .subtype = 10, - .range_start = 7, + .range_start = 6, .range_num = 2, }, /* RX Free flows */ @@ -84,6 +84,40 @@ static struct ti_sci_resource_static_data rm_static_data[] = { }; #endif /* CONFIG_TARGET_J7200_R5_EVM */
+#if IS_ENABLED(CONFIG_TARGET_J721S2_R5_EVM) +static struct ti_sci_resource_static_data rm_static_data[] = { + /* Free rings */ + { + .dev_id = 272, + .subtype = 1, + .range_start = 180, + .range_num = 32, + }, + /* TX channels */ + { + .dev_id = 273, + .subtype = 13, + .range_start = 12, + .range_num = 2, + }, + /* RX channels */ + { + .dev_id = 273, + .subtype = 10, + .range_start = 12, + .range_num = 2, + }, + /* RX Free flows */ + { + .dev_id = 273, + .subtype = 0, + .range_start = 80, + .range_num = 8, + }, + { }, +}; +#endif /* CONFIG_TARGET_J721S2_R5_EVM */ + #else static struct ti_sci_resource_static_data rm_static_data[] = { { },