From: Patrick Delaunay <patrick.delaunay@st.com>
Date: Fri, 2 Aug 2019 13:07:18 +0000 (+0200)
Subject: stm32mp1: Add remoteproc support for m4 coprocessor
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=5d2901a4b653a5ee47b1a789054414f4e7b8cb85;p=u-boot.git

stm32mp1: Add remoteproc support for m4 coprocessor

Alignment with kernel patch proposal for binding:

[PATCH v4 0/8] stm32 m4 remoteproc on STM32MP157c
https://lkml.org/lkml/2019/5/14/159

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
---

diff --git a/arch/arm/dts/stm32mp157a-dk1.dts b/arch/arm/dts/stm32mp157a-dk1.dts
index ba612a5d91..c210acc0aa 100644
--- a/arch/arm/dts/stm32mp157a-dk1.dts
+++ b/arch/arm/dts/stm32mp157a-dk1.dts
@@ -307,6 +307,12 @@
 	};
 };
 
+&m4_rproc {
+	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
+	mbox-names = "vq0", "vq1", "shutdown";
+	status = "okay";
+};
+
 &pwr {
 	pwr-regulators {
 		vdd-supply = <&vdd>;
diff --git a/arch/arm/dts/stm32mp157c-ed1.dts b/arch/arm/dts/stm32mp157c-ed1.dts
index 3e8b7b5161..1d9cc734f1 100644
--- a/arch/arm/dts/stm32mp157c-ed1.dts
+++ b/arch/arm/dts/stm32mp157c-ed1.dts
@@ -217,6 +217,12 @@
 	status = "okay";
 };
 
+&m4_rproc {
+	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
+	mbox-names = "vq0", "vq1", "shutdown";
+	status = "okay";
+};
+
 &pwr {
 	pwr-regulators {
 		vdd-supply = <&vdd>;
diff --git a/arch/arm/dts/stm32mp157c.dtsi b/arch/arm/dts/stm32mp157c.dtsi
index bcd8c1a59c..a6045dd682 100644
--- a/arch/arm/dts/stm32mp157c.dtsi
+++ b/arch/arm/dts/stm32mp157c.dtsi
@@ -1543,4 +1543,24 @@
 			status = "disabled";
 		};
 	};
+
+	mlahb {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		dma-ranges = <0x00000000 0x38000000 0x10000>,
+			     <0x10000000 0x10000000 0x60000>,
+			     <0x30000000 0x30000000 0x60000>;
+
+		m4_rproc: m4@10000000 {
+			compatible = "st,stm32mp1-m4";
+			reg = <0x10000000 0x40000>,
+			      <0x30000000 0x40000>,
+			      <0x38000000 0x10000>;
+			resets = <&rcc MCU_R>;
+			st,syscfg-holdboot = <&rcc 0x10C 0x1>;
+			st,syscfg-tz = <&rcc 0x000 0x1>;
+			status = "disabled";
+		};
+	};
 };
diff --git a/configs/stm32mp15_basic_defconfig b/configs/stm32mp15_basic_defconfig
index cf3988dafe..09785b5dc1 100644
--- a/configs/stm32mp15_basic_defconfig
+++ b/configs/stm32mp15_basic_defconfig
@@ -34,6 +34,7 @@ CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
+CONFIG_CMD_REMOTEPROC=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
diff --git a/configs/stm32mp15_optee_defconfig b/configs/stm32mp15_optee_defconfig
index e5b9be78d4..177cbc7d5f 100644
--- a/configs/stm32mp15_optee_defconfig
+++ b/configs/stm32mp15_optee_defconfig
@@ -23,6 +23,7 @@ CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
+CONFIG_CMD_REMOTEPROC=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
diff --git a/configs/stm32mp15_trusted_defconfig b/configs/stm32mp15_trusted_defconfig
index 2d9be045a6..71ad1157ec 100644
--- a/configs/stm32mp15_trusted_defconfig
+++ b/configs/stm32mp15_trusted_defconfig
@@ -22,6 +22,7 @@ CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
+CONFIG_CMD_REMOTEPROC=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
diff --git a/drivers/remoteproc/stm32_copro.c b/drivers/remoteproc/stm32_copro.c
index de3b9729f3..ad941f67e8 100644
--- a/drivers/remoteproc/stm32_copro.c
+++ b/drivers/remoteproc/stm32_copro.c
@@ -243,7 +243,7 @@ static const struct dm_rproc_ops stm32_copro_ops = {
 };
 
 static const struct udevice_id stm32_copro_ids[] = {
-	{.compatible = "st,stm32mp1-rproc"},
+	{.compatible = "st,stm32mp1-m4"},
 	{}
 };