From: Beleswar Padhi <b-padhi@ti.com>
To: <nm@ti.com>, <vigneshr@ti.com>, <kristo@kernel.org>,
<robh@kernel.org>, <krzk+dt@kernel.org>, <conor+dt@kernel.org>
Cc: <afd@ti.com>, <u-kumar1@ti.com>, <hnagalla@ti.com>, <jm@ti.com>,
<b-padhi@ti.com>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>
Subject: [PATCH v3 31/33] arm64: dts: ti: k3-am62a-ti-ipc-firmware: Refactor IPC cfg into new dtsi
Date: Fri, 5 Sep 2025 10:48:44 +0530 [thread overview]
Message-ID: <20250905051846.1189612-32-b-padhi@ti.com> (raw)
In-Reply-To: <20250905051846.1189612-1-b-padhi@ti.com>
The TI K3 AM62A SoCs have multiple programmable remote processors like
R5F, C7x etc. The TI SDKs for AM62A SoCs offer sample firmwares which
could be run on these cores to demonstrate an "echo" IPC test. Those
firmware require certain memory carveouts to be reserved from system
memory, timers to be reserved, and certain mailbox configurations for
interrupt based messaging. These configurations could be different for a
different firmware.
While DT is not meant for system configurations, at least refactor these
configurations from board level DTS into a dtsi for now. This dtsi for
TI IPC firmware is board-independent and can be applied to all boards
from the same SoC Family. This gets rid of code duplication and allows
more freedom for users developing custom firmware (or no firmware) to
utilize system resources better; easily by swapping out this dtsi. To
maintain backward compatibility, the dtsi is included in all boards.
Signed-off-by: Beleswar Padhi <b-padhi@ti.com>
Tested-by: Judith Mendez <jm@ti.com>
---
v3: Changelog:
1. Carried T/B tag.
Link to v2:
https://lore.kernel.org/all/20250823160901.2177841-32-b-padhi@ti.com/
v2: Changelog:
1. Re-ordered patch from [PATCH 25/33] to [PATCH v2 31/33].
Link to v1:
https://lore.kernel.org/all/20250814223839.3256046-26-b-padhi@ti.com/
.../boot/dts/ti/k3-am62a-phycore-som.dtsi | 90 +----------------
.../boot/dts/ti/k3-am62a-ti-ipc-firmware.dtsi | 98 +++++++++++++++++++
arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 92 +----------------
arch/arm64/boot/dts/ti/k3-am62d2-evm.dts | 76 +-------------
4 files changed, 102 insertions(+), 254 deletions(-)
create mode 100644 arch/arm64/boot/dts/ti/k3-am62a-ti-ipc-firmware.dtsi
diff --git a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
index 3108e9b0c804..44c73ed637da 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
@@ -59,30 +59,6 @@ linux,cma {
linux,cma-default;
};
- c7x_0_dma_memory_region: c7x-dma-memory@99800000 {
- compatible = "shared-dma-pool";
- reg = <0x00 0x99800000 0x00 0x100000>;
- no-map;
- };
-
- c7x_0_memory_region: c7x-memory@99900000 {
- compatible = "shared-dma-pool";
- reg = <0x00 0x99900000 0x00 0xf00000>;
- no-map;
- };
-
- mcu_r5fss0_core0_dma_memory_region: r5f-dma-memory@9b800000 {
- compatible = "shared-dma-pool";
- reg = <0x00 0x9b800000 0x00 0x100000>;
- no-map;
- };
-
- mcu_r5fss0_core0_memory_region: r5f-dma-memory@9b900000 {
- compatible = "shared-dma-pool";
- reg = <0x00 0x9b900000 0x00 0xf00000>;
- no-map;
- };
-
wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9c800000 {
compatible = "shared-dma-pool";
reg = <0x00 0x9c800000 0x00 0x100000>;
@@ -209,13 +185,6 @@ opp-1400000000 {
};
};
-&c7x_0 {
- mboxes = <&mailbox0_cluster1 &mbox_c7x_0>;
- memory-region = <&c7x_0_dma_memory_region>,
- <&c7x_0_memory_region>;
- status = "okay";
-};
-
&cpsw3g {
pinctrl-names = "default";
pinctrl-0 = <&main_rgmii1_pins_default>;
@@ -246,33 +215,6 @@ &fss {
status = "okay";
};
-&mailbox0_cluster0 {
- status = "okay";
-
- mbox_r5_0: mbox-r5-0 {
- ti,mbox-rx = <0 0 0>;
- ti,mbox-tx = <1 0 0>;
- };
-};
-
-&mailbox0_cluster1 {
- status = "okay";
-
- mbox_c7x_0: mbox-c7x-0 {
- ti,mbox-rx = <0 0 0>;
- ti,mbox-tx = <1 0 0>;
- };
-};
-
-&mailbox0_cluster2 {
- status = "okay";
-
- mbox_mcu_r5_0: mbox-mcu-r5-0 {
- ti,mbox-rx = <0 0 0>;
- ti,mbox-tx = <1 0 0>;
- };
-};
-
&main_i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&main_i2c0_pins_default>;
@@ -388,27 +330,6 @@ &main_pktdma {
bootph-all;
};
-/* main_rti4 is used by C7x DSP */
-&main_rti4 {
- status = "reserved";
-};
-
-/* main_timer2 is used by C7x DSP */
-&main_timer2 {
- status = "reserved";
-};
-
-&mcu_r5fss0 {
- status = "okay";
-};
-
-&mcu_r5fss0_core0 {
- mboxes = <&mailbox0_cluster2 &mbox_mcu_r5_0>;
- memory-region = <&mcu_r5fss0_core0_dma_memory_region>,
- <&mcu_r5fss0_core0_memory_region>;
- status = "okay";
-};
-
&ospi0 {
pinctrl-names = "default";
pinctrl-0 = <&ospi0_pins_default>;
@@ -437,13 +358,4 @@ &sdhci0 {
status = "okay";
};
-&wkup_r5fss0 {
- status = "okay";
-};
-
-&wkup_r5fss0_core0 {
- mboxes = <&mailbox0_cluster0 &mbox_r5_0>;
- memory-region = <&wkup_r5fss0_core0_dma_memory_region>,
- <&wkup_r5fss0_core0_memory_region>;
- status = "okay";
-};
+#include "k3-am62a-ti-ipc-firmware.dtsi"
diff --git a/arch/arm64/boot/dts/ti/k3-am62a-ti-ipc-firmware.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-ti-ipc-firmware.dtsi
new file mode 100644
index 000000000000..91583cd23b12
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am62a-ti-ipc-firmware.dtsi
@@ -0,0 +1,98 @@
+// SPDX-License-Identifier: GPL-2.0-only OR MIT
+/**
+ * Device Tree Source for enabling IPC using TI SDK firmware on AM62A SoCs
+ *
+ * Copyright (C) 2022-2025 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+&reserved_memory {
+ c7x_0_dma_memory_region: c7x-dma-memory@99800000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00 0x99800000 0x00 0x100000>;
+ no-map;
+ };
+
+ c7x_0_memory_region: c7x-memory@99900000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00 0x99900000 0x00 0xf00000>;
+ no-map;
+ };
+
+ mcu_r5fss0_core0_dma_memory_region: r5f-dma-memory@9b800000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00 0x9b800000 0x00 0x100000>;
+ no-map;
+ };
+
+ mcu_r5fss0_core0_memory_region: r5f-dma-memory@9b900000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00 0x9b900000 0x00 0xf00000>;
+ no-map;
+ };
+};
+
+&mailbox0_cluster0 {
+ status = "okay";
+
+ mbox_r5_0: mbox-r5-0 {
+ ti,mbox-rx = <0 0 0>;
+ ti,mbox-tx = <1 0 0>;
+ };
+};
+
+&mailbox0_cluster1 {
+ status = "okay";
+
+ mbox_c7x_0: mbox-c7x-0 {
+ ti,mbox-rx = <0 0 0>;
+ ti,mbox-tx = <1 0 0>;
+ };
+};
+
+&mailbox0_cluster2 {
+ status = "okay";
+
+ mbox_mcu_r5_0: mbox-mcu-r5-0 {
+ ti,mbox-rx = <0 0 0>;
+ ti,mbox-tx = <1 0 0>;
+ };
+};
+
+&wkup_r5fss0 {
+ status = "okay";
+};
+
+&wkup_r5fss0_core0 {
+ mboxes = <&mailbox0_cluster0>, <&mbox_r5_0>;
+ memory-region = <&wkup_r5fss0_core0_dma_memory_region>,
+ <&wkup_r5fss0_core0_memory_region>;
+ status = "okay";
+};
+
+&mcu_r5fss0 {
+ status = "okay";
+};
+
+&mcu_r5fss0_core0 {
+ mboxes = <&mailbox0_cluster2>, <&mbox_mcu_r5_0>;
+ memory-region = <&mcu_r5fss0_core0_dma_memory_region>,
+ <&mcu_r5fss0_core0_memory_region>;
+ status = "okay";
+};
+
+&c7x_0 {
+ mboxes = <&mailbox0_cluster1>, <&mbox_c7x_0>;
+ memory-region = <&c7x_0_dma_memory_region>,
+ <&c7x_0_memory_region>;
+ status = "okay";
+};
+
+/* main_rti4 is used by C7x DSP */
+&main_rti4 {
+ status = "reserved";
+};
+
+/* main_timer2 is used by C7x DSP */
+&main_timer2 {
+ status = "reserved";
+};
diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index 7ebcfe8edfe1..ede03f449d65 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -53,30 +53,6 @@ linux,cma {
linux,cma-default;
};
- c7x_0_dma_memory_region: c7x-dma-memory@99800000 {
- compatible = "shared-dma-pool";
- reg = <0x00 0x99800000 0x00 0x100000>;
- no-map;
- };
-
- c7x_0_memory_region: c7x-memory@99900000 {
- compatible = "shared-dma-pool";
- reg = <0x00 0x99900000 0x00 0xf00000>;
- no-map;
- };
-
- mcu_r5fss0_core0_dma_memory_region: r5f-dma-memory@9b800000 {
- compatible = "shared-dma-pool";
- reg = <0x00 0x9b800000 0x00 0x100000>;
- no-map;
- };
-
- mcu_r5fss0_core0_memory_region: r5f-dma-memory@9b900000 {
- compatible = "shared-dma-pool";
- reg = <0x00 0x9b900000 0x00 0xf00000>;
- no-map;
- };
-
wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9c800000 {
compatible = "shared-dma-pool";
reg = <0x00 0x9c800000 0x00 0x100000>;
@@ -713,11 +689,6 @@ &main_uart1 {
status = "reserved";
};
-/* main_timer2 is used by C7x DSP */
-&main_timer2 {
- status = "reserved";
-};
-
&usbss0 {
status = "okay";
ti,vbus-divider;
@@ -835,67 +806,6 @@ &epwm1 {
status = "okay";
};
-&mailbox0_cluster0 {
- status = "okay";
-
- mbox_r5_0: mbox-r5-0 {
- ti,mbox-rx = <0 0 0>;
- ti,mbox-tx = <1 0 0>;
- };
-};
-
-&mailbox0_cluster1 {
- status = "okay";
-
- mbox_c7x_0: mbox-c7x-0 {
- ti,mbox-rx = <0 0 0>;
- ti,mbox-tx = <1 0 0>;
- };
-};
-
-&mailbox0_cluster2 {
- status = "okay";
-
- mbox_mcu_r5_0: mbox-mcu-r5-0 {
- ti,mbox-rx = <0 0 0>;
- ti,mbox-tx = <1 0 0>;
- };
-};
-
-&wkup_r5fss0 {
- status = "okay";
-};
-
-&wkup_r5fss0_core0 {
- mboxes = <&mailbox0_cluster0>, <&mbox_r5_0>;
- memory-region = <&wkup_r5fss0_core0_dma_memory_region>,
- <&wkup_r5fss0_core0_memory_region>;
- status = "okay";
-};
-
-&mcu_r5fss0 {
- status = "okay";
-};
-
-&mcu_r5fss0_core0 {
- mboxes = <&mailbox0_cluster2>, <&mbox_mcu_r5_0>;
- memory-region = <&mcu_r5fss0_core0_dma_memory_region>,
- <&mcu_r5fss0_core0_memory_region>;
- status = "okay";
-};
-
-&c7x_0 {
- mboxes = <&mailbox0_cluster1>, <&mbox_c7x_0>;
- memory-region = <&c7x_0_dma_memory_region>,
- <&c7x_0_memory_region>;
- status = "okay";
-};
-
-/* main_rti4 is used by C7x DSP */
-&main_rti4 {
- status = "reserved";
-};
-
&fss {
status = "okay";
};
@@ -937,3 +847,5 @@ AM62AX_IOPAD(0x008, PIN_INPUT, 0) /* (J24) OSPI0_DQS */
>;
};
};
+
+#include "k3-am62a-ti-ipc-firmware.dtsi"
diff --git a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
index 41860ac42f3c..a57fc2362dfd 100644
--- a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
@@ -58,30 +58,6 @@ secure_tfa_ddr: tfa@80000000 {
no-map;
};
- c7x_0_dma_memory_region: c7x-dma-memory@99800000 {
- compatible = "shared-dma-pool";
- reg = <0x00 0x99800000 0x00 0x100000>;
- no-map;
- };
-
- c7x_0_memory_region: c7x-memory@99900000 {
- compatible = "shared-dma-pool";
- reg = <0x00 0x99900000 0x00 0xf00000>;
- no-map;
- };
-
- mcu_r5fss0_core0_dma_memory_region: r5f-dma-memory@9b800000 {
- compatible = "shared-dma-pool";
- reg = <0x00 0x9b800000 0x00 0x100000>;
- no-map;
- };
-
- mcu_r5fss0_core0_memory_region: r5f-dma-memory@9b900000 {
- compatible = "shared-dma-pool";
- reg = <0x00 0x9b900000 0x00 0xf00000>;
- no-map;
- };
-
wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9c800000 {
compatible = "shared-dma-pool";
reg = <0x00 0x9c800000 0x00 0x100000>;
@@ -551,66 +527,16 @@ cpsw3g_phy1: ethernet-phy@3 {
};
};
-&mailbox0_cluster0 {
- status = "okay";
-
- mbox_r5_0: mbox-r5-0 {
- ti,mbox-rx = <0 0 0>;
- ti,mbox-tx = <1 0 0>;
- };
-};
-
-&mailbox0_cluster1 {
- status = "okay";
-
- mbox_c7x_0: mbox-c7x-0 {
- ti,mbox-rx = <0 0 0>;
- ti,mbox-tx = <1 0 0>;
- };
-};
-
-&mailbox0_cluster2 {
- status = "okay";
-
- mbox_mcu_r5_0: mbox-mcu-r5-0 {
- ti,mbox-rx = <0 0 0>;
- ti,mbox-tx = <1 0 0>;
- };
-};
-
-&wkup_r5fss0 {
- status = "okay";
-};
-
&wkup_r5fss0_core0 {
- mboxes = <&mailbox0_cluster0 &mbox_r5_0>;
- memory-region = <&wkup_r5fss0_core0_dma_memory_region>,
- <&wkup_r5fss0_core0_memory_region>;
- status = "okay";
bootph-pre-ram;
};
-&mcu_r5fss0 {
- status = "okay";
-};
-
&mcu_r5fss0_core0 {
- mboxes = <&mailbox0_cluster2 &mbox_mcu_r5_0>;
- memory-region = <&mcu_r5fss0_core0_dma_memory_region>,
- <&mcu_r5fss0_core0_memory_region>;
firmware-name = "am62d-mcu-r5f0_0-fw";
- status = "okay";
};
&c7x_0 {
- mboxes = <&mailbox0_cluster1 &mbox_c7x_0>;
- memory-region = <&c7x_0_dma_memory_region>,
- <&c7x_0_memory_region>;
firmware-name = "am62d-c71_0-fw";
- status = "okay";
};
-/* main_rti4 is used by C7x DSP */
-&main_rti4 {
- status = "reserved";
-};
+#include "k3-am62a-ti-ipc-firmware.dtsi"
--
2.34.1
next prev parent reply other threads:[~2025-09-05 7:05 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-05 5:18 [PATCH v3 00/33] Refactor TI IPC DT configs into dtsi Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 01/33] arm64: dts: ti: k3-j7200: Enable R5F remote processors at board level Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 02/33] arm64: dts: ti: k3-j721e: Enable " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 03/33] arm64: dts: ti: k3-j721s2: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 04/33] arm64: dts: ti: k3-j784s4-j742s2: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 05/33] arm64: dts: ti: k3-am62p-j722s: " Beleswar Padhi
2025-09-05 19:09 ` Dhruva Gole
2025-09-05 5:18 ` [PATCH v3 06/33] arm64: dts: ti: k3-am62: " Beleswar Padhi
2025-09-05 19:11 ` Dhruva Gole
2025-09-05 5:18 ` [PATCH v3 07/33] arm64: dts: ti: k3-am62a: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 08/33] arm64: dts: ti: k3-am64: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 09/33] arm64: dts: ti: k3-am65: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 10/33] arm64: dts: ti: k3-am62: Enable Mailbox nodes at the " Beleswar Padhi
2025-09-05 19:13 ` Dhruva Gole
2025-09-05 5:18 ` [PATCH v3 11/33] arm64: dts: ti: k3-am62a: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 12/33] arm64: dts: ti: k3-am6*-boards: Add label to reserved-memory node Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 13/33] arm64: dts: ti: k3-j721e-beagleboneai64: Add missing cfg for TI IPC FW Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 14/33] arm64: dts: ti: k3-am62p-verdin: Add missing cfg for TI IPC Firmware Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 15/33] arm64: dts: ti: k3-am62-verdin: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 16/33] arm64: dts: ti: k3-am62-pocketbeagle2: " Beleswar Padhi
2025-09-08 11:46 ` Dhruva Gole
2025-09-05 5:18 ` [PATCH v3 17/33] arm64: dts: ti: k3-am642-sr-som: " Beleswar Padhi
2025-09-05 6:34 ` Francesco Dolcini
2025-09-05 5:18 ` [PATCH v3 18/33] arm64: dts: ti: k3-am64-phycore-som: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 19/33] arm64: dts: ti: k3-am642-tqma64xxl: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 20/33] Revert "arm64: dts: ti: k3-j721e-sk: Fix reversed C6x carveout locations" Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 21/33] Revert "arm64: dts: ti: k3-j721e-beagleboneai64: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 22/33] arm64: dts: ti: k3-j721e-beagleboneai64: Switch MAIN R5F clusters to Split-mode Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 23/33] arm64: dts: ti: k3-j7200-ti-ipc-firmware: Refactor IPC cfg into new dtsi Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 24/33] arm64: dts: ti: k3-j721e-ti-ipc-firmware: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 25/33] arm64: dts: ti: k3-j721s2-ti-ipc-firmware: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 26/33] arm64: dts: ti: k3-j784s4-j742s2-ti-ipc-firmware-common: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 27/33] arm64: dts: ti: k3-j784s4-ti-ipc-firmware: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 28/33] arm64: dts: ti: k3-j722s-ti-ipc-firmware: " Beleswar Padhi
2025-09-05 5:18 ` [PATCH v3 29/33] arm64: dts: ti: k3-am62p-ti-ipc-firmware: " Beleswar Padhi
2025-09-08 9:45 ` Dhruva Gole
2025-09-05 5:18 ` [PATCH v3 30/33] arm64: dts: ti: k3-am62-ti-ipc-firmware: " Beleswar Padhi
2025-09-08 9:37 ` Dhruva Gole
2025-09-05 5:18 ` Beleswar Padhi [this message]
2025-09-08 9:46 ` [PATCH v3 31/33] arm64: dts: ti: k3-am62a-ti-ipc-firmware: " Dhruva Gole
2025-09-05 5:18 ` [PATCH v3 32/33] arm64: dts: ti: k3-am64-ti-ipc-firmware: " Beleswar Padhi
2025-09-08 9:46 ` Dhruva Gole
2025-09-05 5:18 ` [PATCH v3 33/33] arm64: dts: ti: k3-am65-ti-ipc-firmware: " Beleswar Padhi
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