From: Marek Vasut <marex@denx.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Marek Vasut <marex@denx.de>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
linux-stm32@st-md-mailman.stormreply.com
Subject: [PATCH] ARM: dts: stm32: Add CM4 reserved memory, rproc and IPCC on DHCOR SoM
Date: Tue, 11 Jan 2022 03:48:02 +0100 [thread overview]
Message-ID: <20220111024802.112583-1-marex@denx.de> (raw)
Add reserved memory nodes for CortexM4 on the STM32MP1 DHCOR SoM, enable
rproc to control the CM4 and IPCC mailbox to interact with it.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
---
arch/arm/boot/dts/stm32mp15xx-dhcor-som.dtsi | 56 ++++++++++++++++++++
1 file changed, 56 insertions(+)
diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcor-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcor-som.dtsi
index 44ecc47085871..6336c3ca0f0e2 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcor-som.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcor-som.dtsi
@@ -19,6 +19,48 @@ memory@c0000000 {
device_type = "memory";
reg = <0xc0000000 0x40000000>;
};
+
+ reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ mcuram2: mcuram2@10000000 {
+ compatible = "shared-dma-pool";
+ reg = <0x10000000 0x40000>;
+ no-map;
+ };
+
+ vdev0vring0: vdev0vring0@10040000 {
+ compatible = "shared-dma-pool";
+ reg = <0x10040000 0x1000>;
+ no-map;
+ };
+
+ vdev0vring1: vdev0vring1@10041000 {
+ compatible = "shared-dma-pool";
+ reg = <0x10041000 0x1000>;
+ no-map;
+ };
+
+ vdev0buffer: vdev0buffer@10042000 {
+ compatible = "shared-dma-pool";
+ reg = <0x10042000 0x4000>;
+ no-map;
+ };
+
+ mcuram: mcuram@30000000 {
+ compatible = "shared-dma-pool";
+ reg = <0x30000000 0x40000>;
+ no-map;
+ };
+
+ retram: retram@38000000 {
+ compatible = "shared-dma-pool";
+ reg = <0x38000000 0x10000>;
+ no-map;
+ };
+ };
};
&crc1 {
@@ -179,11 +221,25 @@ eeprom@53 {
};
};
+&ipcc {
+ status = "okay";
+};
+
&iwdg2 {
timeout-sec = <32>;
status = "okay";
};
+&m4_rproc {
+ memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
+ <&vdev0vring1>, <&vdev0buffer>;
+ mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
+ mbox-names = "vq0", "vq1", "shutdown";
+ interrupt-parent = <&exti>;
+ interrupts = <68 1>;
+ status = "okay";
+};
+
&pwr_regulators {
vdd-supply = <&vdd>;
vdd_3v3_usbfs-supply = <&vdd_usb>;
--
2.34.1
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next reply other threads:[~2022-01-11 2:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-11 2:48 Marek Vasut [this message]
2022-02-07 13:16 ` [PATCH] ARM: dts: stm32: Add CM4 reserved memory, rproc and IPCC on DHCOR SoM Alexandre TORGUE
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