[PATCH v2 3/5] dmaengine: ti: k3-psil-am62a: Add AM62Ax PSIL and PDMA data

Vignesh Raghavendra
2022-12-12T10:56:15Z

From: Jai Luthra <j-luthra@ti.com>

Add PSIL and PDMA data for AM62Ax SoC.

Signed-off-by: Jai Luthra <j-luthra@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
---
drivers/dma/ti/Makefile | 3 +-
drivers/dma/ti/k3-psil-am62a.c | 196 +++++++++++++++++++++++++++++++++
drivers/dma/ti/k3-psil-priv.h | 1 +
drivers/dma/ti/k3-psil.c | 1 +
4 files changed, 200 insertions(+), 1 deletion(-)
create mode 100644 drivers/dma/ti/k3-psil-am62a.c

diff --git a/drivers/dma/ti/Makefile b/drivers/dma/ti/Makefile
index b53d05b11ca5..bd1e07fda559 100644
--- a/drivers/dma/ti/Makefile
+++ b/drivers/dma/ti/Makefile
@@ -10,6 +10,7 @@ k3-psil-lib-objs := k3-psil.o \
k3-psil-j7200.o \
k3-psil-am64.o \
k3-psil-j721s2.o \
- k3-psil-am62.o
+ k3-psil-am62.o \
+ k3-psil-am62a.o
obj-$(CONFIG_TI_K3_PSIL) += k3-psil-lib.o
obj-$(CONFIG_TI_DMA_CROSSBAR) += dma-crossbar.o
diff --git a/drivers/dma/ti/k3-psil-am62a.c b/drivers/dma/ti/k3-psil-am62a.c
new file mode 100644
index 000000000000..ca9d71f91422
--- /dev/null
+++ b/drivers/dma/ti/k3-psil-am62a.c
@@ -0,0 +1,196 @@
+// 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, \
+ .mapped_channel_id = -1, \
+ .default_flow_id = -1, \
+ }, \
+ }
+
+#define PSIL_PDMA_XY_PKT(x) \
+ { \
+ .thread_id = x, \
+ .ep_config = { \
+ .ep_type = PSIL_EP_PDMA_XY, \
+ .mapped_channel_id = -1, \
+ .default_flow_id = -1, \
+ .pkt_mode = 1, \
+ }, \
+ }
+
+#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, \
+ }, \
+ }
+
+#define PSIL_SAUL(x, ch, flow_base, flow_cnt, default_flow, tx) \
+ { \
+ .thread_id = x, \
+ .ep_config = { \
+ .ep_type = PSIL_EP_NATIVE, \
+ .pkt_mode = 1, \
+ .needs_epib = 1, \
+ .psd_size = 64, \
+ .mapped_channel_id = ch, \
+ .flow_start = flow_base, \
+ .flow_num = flow_cnt, \
+ .default_flow_id = default_flow, \
+ .notdpkt = tx, \
+ }, \
+ }
+
+#define PSIL_PDMA_MCASP(x) \
+ { \
+ .thread_id = x, \
+ .ep_config = { \
+ .ep_type = PSIL_EP_PDMA_XY, \
+ .pdma_acc32 = 1, \
+ .pdma_burst = 1, \
+ }, \
+ }
+
+#define PSIL_CSI2RX(x) \
+ { \
+ .thread_id = x, \
+ .ep_config = { \
+ .ep_type = PSIL_EP_NATIVE, \
+ }, \
+ }
+
+/* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
+static struct psil_ep am62a_src_ep_map[] = {
+ /* SAUL */
+ PSIL_SAUL(0x7504, 20, 35, 8, 35, 0),
+ PSIL_SAUL(0x7505, 21, 35, 8, 36, 0),
+ PSIL_SAUL(0x7506, 22, 43, 8, 43, 0),
+ PSIL_SAUL(0x7507, 23, 43, 8, 44, 0),
+ /* PDMA_MAIN0 - SPI0-3 */
+ PSIL_PDMA_XY_PKT(0x4302),
+ PSIL_PDMA_XY_PKT(0x4303),
+ PSIL_PDMA_XY_PKT(0x4304),
+ PSIL_PDMA_XY_PKT(0x4305),
+ PSIL_PDMA_XY_PKT(0x4306),
+ PSIL_PDMA_XY_PKT(0x4307),
+ PSIL_PDMA_XY_PKT(0x4308),
+ PSIL_PDMA_XY_PKT(0x4309),
+ PSIL_PDMA_XY_PKT(0x430a),
+ PSIL_PDMA_XY_PKT(0x430b),
+ PSIL_PDMA_XY_PKT(0x430c),
+ PSIL_PDMA_XY_PKT(0x430d),
+ /* PDMA_MAIN1 - UART0-6 */
+ PSIL_PDMA_XY_PKT(0x4400),
+ PSIL_PDMA_XY_PKT(0x4401),
+ PSIL_PDMA_XY_PKT(0x4402),
+ PSIL_PDMA_XY_PKT(0x4403),
+ PSIL_PDMA_XY_PKT(0x4404),
+ PSIL_PDMA_XY_PKT(0x4405),
+ PSIL_PDMA_XY_PKT(0x4406),
+ /* PDMA_MAIN2 - MCASP0-2 */
+ PSIL_PDMA_MCASP(0x4500),
+ PSIL_PDMA_MCASP(0x4501),
+ PSIL_PDMA_MCASP(0x4502),
+ /* CPSW3G */
+ PSIL_ETHERNET(0x4600, 19, 19, 16),
+ /* CSI2RX */
+ PSIL_CSI2RX(0x5000),
+ PSIL_CSI2RX(0x5001),
+ PSIL_CSI2RX(0x5002),
+ PSIL_CSI2RX(0x5003),
+ PSIL_CSI2RX(0x5004),
+ PSIL_CSI2RX(0x5005),
+ PSIL_CSI2RX(0x5006),
+ PSIL_CSI2RX(0x5007),
+ PSIL_CSI2RX(0x5008),
+ PSIL_CSI2RX(0x5009),
+ PSIL_CSI2RX(0x500a),
+ PSIL_CSI2RX(0x500b),
+ PSIL_CSI2RX(0x500c),
+ PSIL_CSI2RX(0x500d),
+ PSIL_CSI2RX(0x500e),
+ PSIL_CSI2RX(0x500f),
+ PSIL_CSI2RX(0x5010),
+ PSIL_CSI2RX(0x5011),
+ PSIL_CSI2RX(0x5012),
+ PSIL_CSI2RX(0x5013),
+ PSIL_CSI2RX(0x5014),
+ PSIL_CSI2RX(0x5015),
+ PSIL_CSI2RX(0x5016),
+ PSIL_CSI2RX(0x5017),
+ PSIL_CSI2RX(0x5018),
+ PSIL_CSI2RX(0x5019),
+ PSIL_CSI2RX(0x501a),
+ PSIL_CSI2RX(0x501b),
+ PSIL_CSI2RX(0x501c),
+ PSIL_CSI2RX(0x501d),
+ PSIL_CSI2RX(0x501e),
+ PSIL_CSI2RX(0x501f),
+};
+
+/* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
+static struct psil_ep am62a_dst_ep_map[] = {
+ /* SAUL */
+ PSIL_SAUL(0xf500, 27, 83, 8, 83, 1),
+ PSIL_SAUL(0xf501, 28, 91, 8, 91, 1),
+ /* PDMA_MAIN0 - SPI0-3 */
+ PSIL_PDMA_XY_PKT(0xc302),
+ PSIL_PDMA_XY_PKT(0xc303),
+ PSIL_PDMA_XY_PKT(0xc304),
+ PSIL_PDMA_XY_PKT(0xc305),
+ PSIL_PDMA_XY_PKT(0xc306),
+ PSIL_PDMA_XY_PKT(0xc307),
+ PSIL_PDMA_XY_PKT(0xc308),
+ PSIL_PDMA_XY_PKT(0xc309),
+ PSIL_PDMA_XY_PKT(0xc30a),
+ PSIL_PDMA_XY_PKT(0xc30b),
+ PSIL_PDMA_XY_PKT(0xc30c),
+ PSIL_PDMA_XY_PKT(0xc30d),
+ /* PDMA_MAIN1 - UART0-6 */
+ PSIL_PDMA_XY_PKT(0xc400),
+ PSIL_PDMA_XY_PKT(0xc401),
+ PSIL_PDMA_XY_PKT(0xc402),
+ PSIL_PDMA_XY_PKT(0xc403),
+ PSIL_PDMA_XY_PKT(0xc404),
+ PSIL_PDMA_XY_PKT(0xc405),
+ PSIL_PDMA_XY_PKT(0xc406),
+ /* PDMA_MAIN2 - MCASP0-2 */
+ PSIL_PDMA_MCASP(0xc500),
+ PSIL_PDMA_MCASP(0xc501),
+ PSIL_PDMA_MCASP(0xc502),
+ /* CPSW3G */
+ PSIL_ETHERNET(0xc600, 19, 19, 8),
+ PSIL_ETHERNET(0xc601, 20, 27, 8),
+ PSIL_ETHERNET(0xc602, 21, 35, 8),
+ PSIL_ETHERNET(0xc603, 22, 43, 8),
+ PSIL_ETHERNET(0xc604, 23, 51, 8),
+ PSIL_ETHERNET(0xc605, 24, 59, 8),
+ PSIL_ETHERNET(0xc606, 25, 67, 8),
+ PSIL_ETHERNET(0xc607, 26, 75, 8),
+};
+
+struct psil_ep_map am62a_ep_map = {
+ .name = "am62a",
+ .src = am62a_src_ep_map,
+ .src_count = ARRAY_SIZE(am62a_src_ep_map),
+ .dst = am62a_dst_ep_map,
+ .dst_count = ARRAY_SIZE(am62a_dst_ep_map),
+};
diff --git a/drivers/dma/ti/k3-psil-priv.h b/drivers/dma/ti/k3-psil-priv.h
index 74fa9ec02968..abd650bb7600 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 j7200_ep_map;
extern struct psil_ep_map am64_ep_map;
extern struct psil_ep_map j721s2_ep_map;
extern struct psil_ep_map am62_ep_map;
+extern struct psil_ep_map am62a_ep_map;

#endif /* K3_PSIL_PRIV_H_ */
diff --git a/drivers/dma/ti/k3-psil.c b/drivers/dma/ti/k3-psil.c
index 8b6533a1eeeb..2da6988a0e7b 100644
--- a/drivers/dma/ti/k3-psil.c
+++ b/drivers/dma/ti/k3-psil.c
@@ -24,6 +24,7 @@ static const struct soc_device_attribute k3_soc_devices[] = {
{ .family = "AM64X", .data = &am64_ep_map },
{ .family = "J721S2", .data = &j721s2_ep_map },
{ .family = "AM62X", .data = &am62_ep_map },
+ { .family = "AM62AX", .data = &am62a_ep_map },
{ /* sentinel */ }
};