drivers: dma: Add support for J721S2

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>

5 files changed, 208 insertions, 3 deletions

diff --git a/drivers/dma/ti/Makefile b/drivers/dma/ti/Makefile
index 0391cd3d80..6a4f4f1365 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 0000000000..4c4172a4d2
--- /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 02d1c201a9..77acaf2139 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 e82f807541..8b2129d4f5 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 3c506e667a..e6a3b66c03 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[] = {
 	{ },