summaryrefslogtreecommitdiff
path: root/drivers/dma
diff options
context:
space:
mode:
authorVignesh Raghavendra <vigneshr@ti.com>2022-05-25 13:38:44 +0530
committerTom Rini <trini@konsulko.com>2022-06-10 13:37:32 -0400
commit720d37ff27583d10c30c6f5dcaadb0dfedde8964 (patch)
tree56980201138319d8c63e47d437e57ba25cb62dcc /drivers/dma
parent4b8903a99902c22f4f60f0f873a89974d95710e7 (diff)
downloadu-boot-720d37ff27583d10c30c6f5dcaadb0dfedde8964.tar.gz
dma: ti: Add PSIL data for AM62x DMASS
Add PSIL data for AM62x SoC. Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/ti/Makefile1
-rw-r--r--drivers/dma/ti/k3-psil-am62.c50
-rw-r--r--drivers/dma/ti/k3-psil-priv.h1
-rw-r--r--drivers/dma/ti/k3-psil.c2
4 files changed, 54 insertions, 0 deletions
diff --git a/drivers/dma/ti/Makefile b/drivers/dma/ti/Makefile
index 6a4f4f1365..56f348700d 100644
--- a/drivers/dma/ti/Makefile
+++ b/drivers/dma/ti/Makefile
@@ -7,3 +7,4 @@ k3-psil-data-$(CONFIG_SOC_K3_AM6) += k3-psil-am654.o
k3-psil-data-$(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
diff --git a/drivers/dma/ti/k3-psil-am62.c b/drivers/dma/ti/k3-psil-am62.c
new file mode 100644
index 0000000000..9527da4cac
--- /dev/null
+++ b/drivers/dma/ti/k3-psil-am62.c
@@ -0,0 +1,50 @@
+// 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_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, \
+ }, \
+ }
+
+/* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
+static struct psil_ep am62_src_ep_map[] = {
+ /* CPSW3G */
+ PSIL_ETHERNET(0x4600, 19, 19, 16),
+};
+
+/* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
+static struct psil_ep am62_dst_ep_map[] = {
+ /* 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 am62_ep_map = {
+ .name = "am62",
+ .src = am62_src_ep_map,
+ .src_count = ARRAY_SIZE(am62_src_ep_map),
+ .dst = am62_dst_ep_map,
+ .dst_count = ARRAY_SIZE(am62_dst_ep_map),
+};
diff --git a/drivers/dma/ti/k3-psil-priv.h b/drivers/dma/ti/k3-psil-priv.h
index 77acaf2139..28078c6bd8 100644
--- a/drivers/dma/ti/k3-psil-priv.h
+++ b/drivers/dma/ti/k3-psil-priv.h
@@ -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 j721s2_ep_map;
extern struct psil_ep_map am64_ep_map;
+extern struct psil_ep_map am62_ep_map;
#endif /* K3_PSIL_PRIV_H_ */
diff --git a/drivers/dma/ti/k3-psil.c b/drivers/dma/ti/k3-psil.c
index 8b2129d4f5..f1330bf4b0 100644
--- a/drivers/dma/ti/k3-psil.c
+++ b/drivers/dma/ti/k3-psil.c
@@ -24,6 +24,8 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id)
soc_ep_map = &j721s2_ep_map;
else if (IS_ENABLED(CONFIG_SOC_K3_AM642))
soc_ep_map = &am64_ep_map;
+ else if (IS_ENABLED(CONFIG_SOC_K3_AM625))
+ soc_ep_map = &am62_ep_map;
}
if (thread_id & K3_PSIL_DST_THREAD_ID_OFFSET && soc_ep_map->dst) {