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-rw-r--r--drivers/dma/ti/Makefile3
-rw-r--r--drivers/dma/ti/edma.c8
-rw-r--r--drivers/dma/ti/k3-psil-j784s4.c354
-rw-r--r--drivers/dma/ti/k3-psil-priv.h1
-rw-r--r--drivers/dma/ti/k3-psil.c1
-rw-r--r--drivers/dma/ti/k3-udma.c75
6 files changed, 424 insertions, 18 deletions
diff --git a/drivers/dma/ti/Makefile b/drivers/dma/ti/Makefile
index bd1e07fda559..acc950bf609c 100644
--- a/drivers/dma/ti/Makefile
+++ b/drivers/dma/ti/Makefile
@@ -11,6 +11,7 @@ k3-psil-lib-objs := k3-psil.o \
k3-psil-am64.o \
k3-psil-j721s2.o \
k3-psil-am62.o \
- k3-psil-am62a.o
+ k3-psil-am62a.o \
+ k3-psil-j784s4.o
obj-$(CONFIG_TI_K3_PSIL) += k3-psil-lib.o
obj-$(CONFIG_TI_DMA_CROSSBAR) += dma-crossbar.o
diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
index fa06d7e6d8e3..9ea91c640c32 100644
--- a/drivers/dma/ti/edma.c
+++ b/drivers/dma/ti/edma.c
@@ -318,14 +318,6 @@ static inline void edma_modify(struct edma_cc *ecc, int offset, unsigned and,
edma_write(ecc, offset, val);
}
-static inline void edma_and(struct edma_cc *ecc, int offset, unsigned and)
-{
- unsigned val = edma_read(ecc, offset);
-
- val &= and;
- edma_write(ecc, offset, val);
-}
-
static inline void edma_or(struct edma_cc *ecc, int offset, unsigned or)
{
unsigned val = edma_read(ecc, offset);
diff --git a/drivers/dma/ti/k3-psil-j784s4.c b/drivers/dma/ti/k3-psil-j784s4.c
new file mode 100644
index 000000000000..12bfa2478f92
--- /dev/null
+++ b/drivers/dma/ti/k3-psil-j784s4.c
@@ -0,0 +1,354 @@
+// 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, \
+ }, \
+ }
+
+#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 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(0x4620),
+ PSIL_PDMA_XY_PKT(0x4621),
+ PSIL_PDMA_XY_PKT(0x4622),
+ PSIL_PDMA_XY_PKT(0x4623),
+ PSIL_PDMA_XY_PKT(0x4624),
+ PSIL_PDMA_XY_PKT(0x4625),
+ PSIL_PDMA_XY_PKT(0x4626),
+ PSIL_PDMA_XY_PKT(0x4627),
+ PSIL_PDMA_XY_PKT(0x4628),
+ PSIL_PDMA_XY_PKT(0x4629),
+ PSIL_PDMA_XY_PKT(0x462a),
+ PSIL_PDMA_XY_PKT(0x462b),
+ PSIL_PDMA_XY_PKT(0x462c),
+ PSIL_PDMA_XY_PKT(0x462d),
+ PSIL_PDMA_XY_PKT(0x462e),
+ PSIL_PDMA_XY_PKT(0x462f),
+ /* MAIN_CPSW2G */
+ PSIL_ETHERNET(0x4640),
+ /* 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),
+ /* CSI2RX */
+ PSIL_CSI2RX(0x4900),
+ PSIL_CSI2RX(0x4901),
+ PSIL_CSI2RX(0x4902),
+ PSIL_CSI2RX(0x4903),
+ PSIL_CSI2RX(0x4940),
+ PSIL_CSI2RX(0x4941),
+ PSIL_CSI2RX(0x4942),
+ PSIL_CSI2RX(0x4943),
+ PSIL_CSI2RX(0x4944),
+ PSIL_CSI2RX(0x4945),
+ PSIL_CSI2RX(0x4946),
+ PSIL_CSI2RX(0x4947),
+ PSIL_CSI2RX(0x4948),
+ PSIL_CSI2RX(0x4949),
+ PSIL_CSI2RX(0x494a),
+ PSIL_CSI2RX(0x494b),
+ PSIL_CSI2RX(0x494c),
+ PSIL_CSI2RX(0x494d),
+ PSIL_CSI2RX(0x494e),
+ PSIL_CSI2RX(0x494f),
+ PSIL_CSI2RX(0x4950),
+ PSIL_CSI2RX(0x4951),
+ PSIL_CSI2RX(0x4952),
+ PSIL_CSI2RX(0x4953),
+ PSIL_CSI2RX(0x4954),
+ PSIL_CSI2RX(0x4955),
+ PSIL_CSI2RX(0x4956),
+ PSIL_CSI2RX(0x4957),
+ PSIL_CSI2RX(0x4958),
+ PSIL_CSI2RX(0x4959),
+ PSIL_CSI2RX(0x495a),
+ PSIL_CSI2RX(0x495b),
+ PSIL_CSI2RX(0x495c),
+ PSIL_CSI2RX(0x495d),
+ PSIL_CSI2RX(0x495e),
+ PSIL_CSI2RX(0x495f),
+ PSIL_CSI2RX(0x4960),
+ PSIL_CSI2RX(0x4961),
+ PSIL_CSI2RX(0x4962),
+ PSIL_CSI2RX(0x4963),
+ PSIL_CSI2RX(0x4964),
+ PSIL_CSI2RX(0x4965),
+ PSIL_CSI2RX(0x4966),
+ PSIL_CSI2RX(0x4967),
+ PSIL_CSI2RX(0x4968),
+ PSIL_CSI2RX(0x4969),
+ PSIL_CSI2RX(0x496a),
+ PSIL_CSI2RX(0x496b),
+ PSIL_CSI2RX(0x496c),
+ PSIL_CSI2RX(0x496d),
+ PSIL_CSI2RX(0x496e),
+ PSIL_CSI2RX(0x496f),
+ PSIL_CSI2RX(0x4970),
+ PSIL_CSI2RX(0x4971),
+ PSIL_CSI2RX(0x4972),
+ PSIL_CSI2RX(0x4973),
+ PSIL_CSI2RX(0x4974),
+ PSIL_CSI2RX(0x4975),
+ PSIL_CSI2RX(0x4976),
+ PSIL_CSI2RX(0x4977),
+ PSIL_CSI2RX(0x4978),
+ PSIL_CSI2RX(0x4979),
+ PSIL_CSI2RX(0x497a),
+ PSIL_CSI2RX(0x497b),
+ PSIL_CSI2RX(0x497c),
+ PSIL_CSI2RX(0x497d),
+ PSIL_CSI2RX(0x497e),
+ PSIL_CSI2RX(0x497f),
+ PSIL_CSI2RX(0x4980),
+ PSIL_CSI2RX(0x4981),
+ PSIL_CSI2RX(0x4982),
+ PSIL_CSI2RX(0x4983),
+ PSIL_CSI2RX(0x4984),
+ PSIL_CSI2RX(0x4985),
+ PSIL_CSI2RX(0x4986),
+ PSIL_CSI2RX(0x4987),
+ PSIL_CSI2RX(0x4988),
+ PSIL_CSI2RX(0x4989),
+ PSIL_CSI2RX(0x498a),
+ PSIL_CSI2RX(0x498b),
+ PSIL_CSI2RX(0x498c),
+ PSIL_CSI2RX(0x498d),
+ PSIL_CSI2RX(0x498e),
+ PSIL_CSI2RX(0x498f),
+ PSIL_CSI2RX(0x4990),
+ PSIL_CSI2RX(0x4991),
+ PSIL_CSI2RX(0x4992),
+ PSIL_CSI2RX(0x4993),
+ PSIL_CSI2RX(0x4994),
+ PSIL_CSI2RX(0x4995),
+ PSIL_CSI2RX(0x4996),
+ PSIL_CSI2RX(0x4997),
+ PSIL_CSI2RX(0x4998),
+ PSIL_CSI2RX(0x4999),
+ PSIL_CSI2RX(0x499a),
+ PSIL_CSI2RX(0x499b),
+ PSIL_CSI2RX(0x499c),
+ PSIL_CSI2RX(0x499d),
+ PSIL_CSI2RX(0x499e),
+ PSIL_CSI2RX(0x499f),
+ /* MAIN_CPSW9G */
+ PSIL_ETHERNET(0x4a00),
+ /* MAIN-SA2UL */
+ PSIL_SA2UL(0x4a40, 0),
+ PSIL_SA2UL(0x4a41, 0),
+ PSIL_SA2UL(0x4a42, 0),
+ PSIL_SA2UL(0x4a43, 0),
+ /* MCU_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),
+ /* MCU_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[] = {
+ /* MAIN_CPSW2G */
+ PSIL_ETHERNET(0xc640),
+ PSIL_ETHERNET(0xc641),
+ PSIL_ETHERNET(0xc642),
+ PSIL_ETHERNET(0xc643),
+ PSIL_ETHERNET(0xc644),
+ PSIL_ETHERNET(0xc645),
+ PSIL_ETHERNET(0xc646),
+ PSIL_ETHERNET(0xc647),
+ /* MAIN_CPSW9G */
+ PSIL_ETHERNET(0xca00),
+ PSIL_ETHERNET(0xca01),
+ PSIL_ETHERNET(0xca02),
+ PSIL_ETHERNET(0xca03),
+ PSIL_ETHERNET(0xca04),
+ PSIL_ETHERNET(0xca05),
+ PSIL_ETHERNET(0xca06),
+ PSIL_ETHERNET(0xca07),
+ /* MAIN-SA2UL */
+ PSIL_SA2UL(0xca40, 1),
+ PSIL_SA2UL(0xca41, 1),
+ /* PDMA_SPI_G0 - SPI0-3 */
+ PSIL_PDMA_XY_PKT(0xc600),
+ PSIL_PDMA_XY_PKT(0xc601),
+ PSIL_PDMA_XY_PKT(0xc602),
+ PSIL_PDMA_XY_PKT(0xc603),
+ PSIL_PDMA_XY_PKT(0xc604),
+ PSIL_PDMA_XY_PKT(0xc605),
+ PSIL_PDMA_XY_PKT(0xc606),
+ PSIL_PDMA_XY_PKT(0xc607),
+ PSIL_PDMA_XY_PKT(0xc608),
+ PSIL_PDMA_XY_PKT(0xc609),
+ PSIL_PDMA_XY_PKT(0xc60a),
+ PSIL_PDMA_XY_PKT(0xc60b),
+ PSIL_PDMA_XY_PKT(0xc60c),
+ PSIL_PDMA_XY_PKT(0xc60d),
+ PSIL_PDMA_XY_PKT(0xc60e),
+ PSIL_PDMA_XY_PKT(0xc60f),
+ /* PDMA_SPI_G1 - SPI4-7 */
+ PSIL_PDMA_XY_PKT(0xc620),
+ PSIL_PDMA_XY_PKT(0xc621),
+ PSIL_PDMA_XY_PKT(0xc622),
+ PSIL_PDMA_XY_PKT(0xc623),
+ PSIL_PDMA_XY_PKT(0xc624),
+ PSIL_PDMA_XY_PKT(0xc625),
+ PSIL_PDMA_XY_PKT(0xc626),
+ PSIL_PDMA_XY_PKT(0xc627),
+ PSIL_PDMA_XY_PKT(0xc628),
+ PSIL_PDMA_XY_PKT(0xc629),
+ PSIL_PDMA_XY_PKT(0xc62a),
+ PSIL_PDMA_XY_PKT(0xc62b),
+ PSIL_PDMA_XY_PKT(0xc62c),
+ PSIL_PDMA_XY_PKT(0xc62d),
+ PSIL_PDMA_XY_PKT(0xc62e),
+ PSIL_PDMA_XY_PKT(0xc62f),
+ /* MCU_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),
+ /* MCU_PDMA_MISC_G0 - SPI0 */
+ PSIL_PDMA_XY_PKT(0xf100),
+ PSIL_PDMA_XY_PKT(0xf101),
+ PSIL_PDMA_XY_PKT(0xf102),
+ PSIL_PDMA_XY_PKT(0xf103),
+ /* MCU_PDMA_MISC_G1 - SPI1-2 */
+ PSIL_PDMA_XY_PKT(0xf200),
+ PSIL_PDMA_XY_PKT(0xf201),
+ PSIL_PDMA_XY_PKT(0xf202),
+ PSIL_PDMA_XY_PKT(0xf203),
+ PSIL_PDMA_XY_PKT(0xf204),
+ PSIL_PDMA_XY_PKT(0xf205),
+ PSIL_PDMA_XY_PKT(0xf206),
+ PSIL_PDMA_XY_PKT(0xf207),
+ /* MCU_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 abd650bb7600..c383723d1c8f 100644
--- a/drivers/dma/ti/k3-psil-priv.h
+++ b/drivers/dma/ti/k3-psil-priv.h
@@ -44,5 +44,6 @@ 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;
+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 2da6988a0e7b..c11389d67a3f 100644
--- a/drivers/dma/ti/k3-psil.c
+++ b/drivers/dma/ti/k3-psil.c
@@ -25,6 +25,7 @@ static const struct soc_device_attribute k3_soc_devices[] = {
{ .family = "J721S2", .data = &j721s2_ep_map },
{ .family = "AM62X", .data = &am62_ep_map },
{ .family = "AM62AX", .data = &am62a_ep_map },
+ { .family = "J784S4", .data = &j784s4_ep_map },
{ /* sentinel */ }
};
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index 7e23a6fdef95..fc3a2a05ab7b 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -305,6 +305,8 @@ struct udma_chan {
/* Channel configuration parameters */
struct udma_chan_config config;
+ /* Channel configuration parameters (backup) */
+ struct udma_chan_config backup_config;
/* dmapool for packet mode descriptors */
bool use_dma_pool;
@@ -2964,6 +2966,7 @@ udma_prep_slave_sg_triggered_tr(struct udma_chan *uc, struct scatterlist *sgl,
struct scatterlist *sgent;
struct cppi5_tr_type15_t *tr_req = NULL;
enum dma_slave_buswidth dev_width;
+ u32 csf = CPPI5_TR_CSF_SUPR_EVT;
u16 tr_cnt0, tr_cnt1;
dma_addr_t dev_addr;
struct udma_desc *d;
@@ -3034,6 +3037,7 @@ udma_prep_slave_sg_triggered_tr(struct udma_chan *uc, struct scatterlist *sgl,
if (uc->ud->match_data->type == DMA_TYPE_UDMA) {
asel = 0;
+ csf |= CPPI5_TR_CSF_EOL_ICNT0;
} else {
asel = (u64)uc->config.asel << K3_ADDRESS_ASEL_SHIFT;
dev_addr |= asel;
@@ -3057,7 +3061,7 @@ udma_prep_slave_sg_triggered_tr(struct udma_chan *uc, struct scatterlist *sgl,
cppi5_tr_init(&tr_req[tr_idx].flags, CPPI5_TR_TYPE15, false,
true, CPPI5_TR_EVENT_SIZE_COMPLETION, 0);
- cppi5_tr_csf_set(&tr_req[tr_idx].flags, CPPI5_TR_CSF_SUPR_EVT);
+ cppi5_tr_csf_set(&tr_req[tr_idx].flags, csf);
cppi5_tr_set_trigger(&tr_req[tr_idx].flags,
uc->config.tr_trigger_type,
CPPI5_TR_TRIGGER_TYPE_ICNT2_DEC, 0, 0);
@@ -3103,8 +3107,7 @@ udma_prep_slave_sg_triggered_tr(struct udma_chan *uc, struct scatterlist *sgl,
cppi5_tr_init(&tr_req[tr_idx].flags, CPPI5_TR_TYPE15,
false, true,
CPPI5_TR_EVENT_SIZE_COMPLETION, 0);
- cppi5_tr_csf_set(&tr_req[tr_idx].flags,
- CPPI5_TR_CSF_SUPR_EVT);
+ cppi5_tr_csf_set(&tr_req[tr_idx].flags, csf);
cppi5_tr_set_trigger(&tr_req[tr_idx].flags,
uc->config.tr_trigger_type,
CPPI5_TR_TRIGGER_TYPE_ICNT2_DEC,
@@ -3148,8 +3151,7 @@ udma_prep_slave_sg_triggered_tr(struct udma_chan *uc, struct scatterlist *sgl,
d->residue += sg_len;
}
- cppi5_tr_csf_set(&tr_req[tr_idx - 1].flags,
- CPPI5_TR_CSF_SUPR_EVT | CPPI5_TR_CSF_EOP);
+ cppi5_tr_csf_set(&tr_req[tr_idx - 1].flags, csf | CPPI5_TR_CSF_EOP);
return d;
}
@@ -3678,6 +3680,7 @@ udma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
int num_tr;
size_t tr_size = sizeof(struct cppi5_tr_type15_t);
u16 tr0_cnt0, tr0_cnt1, tr1_cnt0;
+ u32 csf = CPPI5_TR_CSF_SUPR_EVT;
if (uc->config.dir != DMA_MEM_TO_MEM) {
dev_err(chan->device->dev,
@@ -3708,13 +3711,15 @@ udma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
if (uc->ud->match_data->type != DMA_TYPE_UDMA) {
src |= (u64)uc->ud->asel << K3_ADDRESS_ASEL_SHIFT;
dest |= (u64)uc->ud->asel << K3_ADDRESS_ASEL_SHIFT;
+ } else {
+ csf |= CPPI5_TR_CSF_EOL_ICNT0;
}
tr_req = d->hwdesc[0].tr_req_base;
cppi5_tr_init(&tr_req[0].flags, CPPI5_TR_TYPE15, false, true,
CPPI5_TR_EVENT_SIZE_COMPLETION, 0);
- cppi5_tr_csf_set(&tr_req[0].flags, CPPI5_TR_CSF_SUPR_EVT);
+ cppi5_tr_csf_set(&tr_req[0].flags, csf);
tr_req[0].addr = src;
tr_req[0].icnt0 = tr0_cnt0;
@@ -3733,7 +3738,7 @@ udma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
if (num_tr == 2) {
cppi5_tr_init(&tr_req[1].flags, CPPI5_TR_TYPE15, false, true,
CPPI5_TR_EVENT_SIZE_COMPLETION, 0);
- cppi5_tr_csf_set(&tr_req[1].flags, CPPI5_TR_CSF_SUPR_EVT);
+ cppi5_tr_csf_set(&tr_req[1].flags, csf);
tr_req[1].addr = src + tr0_cnt1 * tr0_cnt0;
tr_req[1].icnt0 = tr1_cnt0;
@@ -3748,8 +3753,7 @@ udma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
tr_req[1].dicnt3 = 1;
}
- cppi5_tr_csf_set(&tr_req[num_tr - 1].flags,
- CPPI5_TR_CSF_SUPR_EVT | CPPI5_TR_CSF_EOP);
+ cppi5_tr_csf_set(&tr_req[num_tr - 1].flags, csf | CPPI5_TR_CSF_EOP);
if (uc->config.metadata_size)
d->vd.tx.metadata_ops = &metadata_ops;
@@ -4412,6 +4416,7 @@ static const struct soc_device_attribute k3_soc_devices[] = {
{ .family = "J721S2", .data = &j721e_soc_data},
{ .family = "AM62X", .data = &am64_soc_data },
{ .family = "AM62AX", .data = &am64_soc_data },
+ { .family = "J784S4", .data = &j721e_soc_data },
{ /* sentinel */ }
};
@@ -5522,11 +5527,63 @@ static int udma_probe(struct platform_device *pdev)
return ret;
}
+static int udma_pm_suspend(struct device *dev)
+{
+ struct udma_dev *ud = dev_get_drvdata(dev);
+ struct dma_device *dma_dev = &ud->ddev;
+ struct dma_chan *chan;
+ struct udma_chan *uc;
+
+ list_for_each_entry(chan, &dma_dev->channels, device_node) {
+ if (chan->client_count) {
+ uc = to_udma_chan(chan);
+ /* backup the channel configuration */
+ memcpy(&uc->backup_config, &uc->config,
+ sizeof(struct udma_chan_config));
+ dev_dbg(dev, "Suspending channel %s\n",
+ dma_chan_name(chan));
+ ud->ddev.device_free_chan_resources(chan);
+ }
+ }
+
+ return 0;
+}
+
+static int udma_pm_resume(struct device *dev)
+{
+ struct udma_dev *ud = dev_get_drvdata(dev);
+ struct dma_device *dma_dev = &ud->ddev;
+ struct dma_chan *chan;
+ struct udma_chan *uc;
+ int ret;
+
+ list_for_each_entry(chan, &dma_dev->channels, device_node) {
+ if (chan->client_count) {
+ uc = to_udma_chan(chan);
+ /* restore the channel configuration */
+ memcpy(&uc->config, &uc->backup_config,
+ sizeof(struct udma_chan_config));
+ dev_dbg(dev, "Resuming channel %s\n",
+ dma_chan_name(chan));
+ ret = ud->ddev.device_alloc_chan_resources(chan);
+ if (ret)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static const struct dev_pm_ops udma_pm_ops = {
+ SET_LATE_SYSTEM_SLEEP_PM_OPS(udma_pm_suspend, udma_pm_resume)
+};
+
static struct platform_driver udma_driver = {
.driver = {
.name = "ti-udma",
.of_match_table = udma_of_match,
.suppress_bind_attrs = true,
+ .pm = &udma_pm_ops,
},
.probe = udma_probe,
};
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