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drivers: dma: ti: k3-psil: Add support for J721S2
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Add support for J721S2 SOC.

Signed-off-by: Aswath Govindraju <[email protected]>
Acked-by: Peter Ujfalusi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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@Aswath-Govindraju @vinodkoul
Aswath-Govindraju authored and vinodkoul committed Dec 17, 2021
1 parent 839c2e2 commit 78b2f63
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Showing 4 changed files with 171 additions and 1 deletion.
3 changes: 2 additions & 1 deletion drivers/dma/ti/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -8,5 +8,6 @@ obj-$(CONFIG_TI_K3_PSIL) += k3-psil.o \
k3-psil-am654.o \
k3-psil-j721e.o \
k3-psil-j7200.o \
k3-psil-am64.o
k3-psil-am64.o \
k3-psil-j721s2.o
obj-$(CONFIG_TI_DMA_CROSSBAR) += dma-crossbar.o
167 changes: 167 additions & 0 deletions drivers/dma/ti/k3-psil-j721s2.c
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Original file line number Diff line number Diff line change
@@ -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),
};
1 change: 1 addition & 0 deletions drivers/dma/ti/k3-psil-priv.h
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Original file line number Diff line number Diff line change
Expand Up @@ -41,5 +41,6 @@ extern struct psil_ep_map am654_ep_map;
extern struct psil_ep_map j721e_ep_map;
extern struct psil_ep_map j7200_ep_map;
extern struct psil_ep_map am64_ep_map;
extern struct psil_ep_map j721s2_ep_map;

#endif /* K3_PSIL_PRIV_H_ */
1 change: 1 addition & 0 deletions drivers/dma/ti/k3-psil.c
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ static const struct soc_device_attribute k3_soc_devices[] = {
{ .family = "J721E", .data = &j721e_ep_map },
{ .family = "J7200", .data = &j7200_ep_map },
{ .family = "AM64X", .data = &am64_ep_map },
{ .family = "J721S2", .data = &j721s2_ep_map },
{ /* sentinel */ }
};

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