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authorLinus Torvalds <torvalds@linux-foundation.org>2020-10-15 14:33:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-15 14:33:52 -0700
commitf065199d4df0b1512f935621d2de128ddb3fcc3a (patch)
treee337fac0a06e9eeb7657ca0dc5cce530d730d0c6 /drivers/dma/ti/k3-psil-j7200.c
parentc48b75b7271db23c1b2d1204d6e8496d91f27711 (diff)
parentfc143e38ddd47d3b01ac276786ee78edf053bf5d (diff)
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Merge tag 'dmaengine-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul: "Core: - Mark dma_request_slave_channel() deprecated in favour of dma_request_chan() - subsystem conversion for tasklet_setup() API - subsystem removal of local dma_parms for arm drivers Also updates to bunch of driver notably TI, DW and AXI-DMAC" * tag 'dmaengine-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (104 commits) dmaengine: owl-dma: fix kernel-doc style for enum dmaengine: zynqmp_dma: fix kernel-doc style for tasklet dmaengine: xilinx_dma: fix kernel-doc style for tasklet dmaengine: qcom: bam_dma: fix kernel-doc style for tasklet dmaengine: altera-msgdma: fix kernel-doc style for tasklet dmaengine: xilinx: dpdma: convert tasklets to use new tasklet_setup() API dmaengine: sf-pdma: convert tasklets to use new tasklet_setup() API dt-bindings: Fix 'reg' size issues in zynqmp examples dmaengine: rcar-dmac: drop double zeroing dmaengine: sh: drop double zeroing dmaengine: ioat: Allocate correct size for descriptor chunk dmaengine: ti: k3-udma: use devm_platform_ioremap_resource_byname dmaengine: fsl: remove bad channel update dmaengine: dma-jz4780: Fix race in jz4780_dma_tx_status dmaengine: pl330: fix argument for tasklet dmaengine: dmatest: Return boolean result directly in filter() dmaengine: dmatest: Check list for emptiness before access its last entry dmaengine: ti: k3-udma-glue: fix channel enable functions dmaengine: iop-adma: Fix pointer cast warnings dmaengine: dw-edma: Fix Using plain integer as NULL pointer in dw-edma-v0-debugfs.c ...
Diffstat (limited to 'drivers/dma/ti/k3-psil-j7200.c')
-rw-r--r--drivers/dma/ti/k3-psil-j7200.c175
1 files changed, 175 insertions, 0 deletions
diff --git a/drivers/dma/ti/k3-psil-j7200.c b/drivers/dma/ti/k3-psil-j7200.c
new file mode 100644
index 000000000000..5ea63ea74822
--- /dev/null
+++ b/drivers/dma/ti/k3-psil-j7200.c
@@ -0,0 +1,175 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
+ * Author: Peter Ujfalusi <peter.ujfalusi@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 j7200_src_ep_map[] = {
+ /* PDMA_MCASP - McASP0-2 */
+ PSIL_PDMA_MCASP(0x4400),
+ PSIL_PDMA_MCASP(0x4401),
+ PSIL_PDMA_MCASP(0x4402),
+ /* 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),
+ /* CPSW5 */
+ PSIL_ETHERNET(0x4a00),
+ /* CPSW0 */
+ PSIL_ETHERNET(0x7000),
+ /* 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_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_PDMA_MISC_G2 - UART0 */
+ PSIL_PDMA_XY_PKT(0x7300),
+ /* MCU_PDMA_ADC - ADC0-1 */
+ PSIL_PDMA_XY_TR(0x7400),
+ PSIL_PDMA_XY_TR(0x7401),
+ /* 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 j7200_dst_ep_map[] = {
+ /* CPSW5 */
+ PSIL_ETHERNET(0xca00),
+ PSIL_ETHERNET(0xca01),
+ PSIL_ETHERNET(0xca02),
+ PSIL_ETHERNET(0xca03),
+ PSIL_ETHERNET(0xca04),
+ PSIL_ETHERNET(0xca05),
+ PSIL_ETHERNET(0xca06),
+ PSIL_ETHERNET(0xca07),
+ /* 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 j7200_ep_map = {
+ .name = "j7200",
+ .src = j7200_src_ep_map,
+ .src_count = ARRAY_SIZE(j7200_src_ep_map),
+ .dst = j7200_dst_ep_map,
+ .dst_count = ARRAY_SIZE(j7200_dst_ep_map),
+};