[PATCH v3 05/16] drivers: dma: Add support for J784S4 SoC
Apurva Nandan
a-nandan at ti.com
Fri Sep 8 13:05:40 CEST 2023
Add support for DMA in J784S4 SoC.
Signed-off-by: Jayesh Choudhary <j-choudhary at ti.com>
Signed-off-by: Hari Nagalla <hnagalla at ti.com>
Signed-off-by: Apurva Nandan <a-nandan at ti.com>
---
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 ++++++
drivers/ram/Kconfig | 2 +-
6 files changed, 205 insertions(+), 1 deletion(-)
create mode 100644 drivers/dma/ti/k3-psil-j784s4.c
diff --git a/drivers/dma/ti/Makefile b/drivers/dma/ti/Makefile
index 6807eb8e8b..bd4ce68d9c 100644
--- a/drivers/dma/ti/Makefile
+++ b/drivers/dma/ti/Makefile
@@ -8,3 +8,4 @@ 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
+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 0000000000..d62d5e9c33
--- /dev/null
+++ b/drivers/dma/ti/k3-psil-j784s4.c
@@ -0,0 +1,166 @@
+// 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_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 28078c6bd8..634bf2ca19 100644
--- a/drivers/dma/ti/k3-psil-priv.h
+++ b/drivers/dma/ti/k3-psil-priv.h
@@ -42,5 +42,6 @@ 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;
+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 f23c8ca2b7..10383b4abf 100644
--- a/drivers/dma/ti/k3-psil.c
+++ b/drivers/dma/ti/k3-psil.c
@@ -26,6 +26,8 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id)
soc_ep_map = &am64_ep_map;
else if (IS_ENABLED(CONFIG_SOC_K3_AM625))
soc_ep_map = &am62_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 1a461fab61..0b95412551 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[] = {
{ },
diff --git a/drivers/ram/Kconfig b/drivers/ram/Kconfig
index bf99964577..c7d5d0c680 100644
--- a/drivers/ram/Kconfig
+++ b/drivers/ram/Kconfig
@@ -62,7 +62,7 @@ choice
depends on K3_DDRSS
prompt "K3 DDRSS Arch Support"
- default K3_J721E_DDRSS if SOC_K3_J721E || SOC_K3_J721S2
+ default K3_J721E_DDRSS if SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_J784S4
default K3_AM64_DDRSS if SOC_K3_AM642
default K3_AM64_DDRSS if SOC_K3_AM625
default K3_AM62A_DDRSS if SOC_K3_AM62A7
--
2.34.1
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