[PATCH v1 1/7] arm: dts: imx8mp-skov: Add reserved-memory for ramoops pstore

[PATCH v1 1/7] arm: dts: imx8mp-skov: Add reserved-memory for ramoops pstore

[Oleksij Rempel]

Add a reserved-memory node for 'ramoops' in imx8mp-skov device tree to enable
persistent storage of logs.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 arch/arm/dts/imx8mp-skov.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/dts/imx8mp-skov.dts b/arch/arm/dts/imx8mp-skov.dts
index b7f6fed4b7..4c83bb6bc2 100644
--- a/arch/arm/dts/imx8mp-skov.dts
+++ b/arch/arm/dts/imx8mp-skov.dts
@@ -62,6 +62,17 @@ led-2 {
 		};
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		/* Address will be determined by the bootloader */
+		ramoops {
+			compatible = "ramoops";
+		};
+	};
+
 	reg_usdhc2_vmmc: regulator-usdhc2 {
 		compatible = "regulator-fixed";
 		pinctrl-names = "default";
-- 
2.39.2

[PATCH v1 2/7] arm: dts: imx8mp-skov: Add pins for hardware variant detection

[Oleksij Rempel]

Define pins in imx8mp-skov device tree for detecting hardware variants.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 arch/arm/dts/imx8mp-skov.dts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm/dts/imx8mp-skov.dts b/arch/arm/dts/imx8mp-skov.dts
index 4c83bb6bc2..4b73022938 100644
--- a/arch/arm/dts/imx8mp-skov.dts
+++ b/arch/arm/dts/imx8mp-skov.dts
@@ -369,6 +369,23 @@ &wdog1 {
 };
 
 &iomuxc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hog>;
+
+	pinctrl_hog: hoggrp {
+		fsl,pins = <
+			/* varaint id */
+			MX8MP_IOMUXC_GPIO1_IO08__GPIO1_IO08				0x100
+			MX8MP_IOMUXC_GPIO1_IO09__GPIO1_IO09				0x100
+			MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10				0x100
+			MX8MP_IOMUXC_GPIO1_IO11__GPIO1_IO11				0x100
+			MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12				0x100
+			MX8MP_IOMUXC_GPIO1_IO13__GPIO1_IO13				0x100
+			MX8MP_IOMUXC_GPIO1_IO14__GPIO1_IO14				0x100
+			MX8MP_IOMUXC_GPIO1_IO15__GPIO1_IO15				0x100
+		>;
+	};
+
 	pinctrl_eqos: eqosgrp {
 		fsl,pins = <
 			MX8MP_IOMUXC_ENET_RD0__ENET_QOS_RGMII_RD0			0x91
-- 
2.39.2

[PATCH v1 3/7] arm: dts: imx8mp-skov: Switch to GPT for eMMC partitioning

[Oleksij Rempel]

Move away from using device tree to define eMMC partitions for
imx8mp-skov. Adopt GPT based partitioning, specifically for the
barebox-environment. And prepare it for state partition in the next
patch.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 arch/arm/dts/imx8mp-skov.dts | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/arch/arm/dts/imx8mp-skov.dts b/arch/arm/dts/imx8mp-skov.dts
index 4b73022938..1d4738dbd7 100644
--- a/arch/arm/dts/imx8mp-skov.dts
+++ b/arch/arm/dts/imx8mp-skov.dts
@@ -22,7 +22,7 @@ environment-sd {
 
 		environment-emmc {
 			compatible = "barebox,environment";
-			device-path = &env_emmc;
+			device-path = &usdhc3, "partname:barebox-environment";
 			status = "disabled";
 		};
 	};
@@ -103,24 +103,6 @@ env_sd: partition@e0000 {
 	};
 };
 
-&usdhc3 {
-	partitions {
-		compatible = "fixed-partitions";
-		#address-cells = <2>;
-		#size-cells = <2>;
-
-		partition@0 {
-			label = "barebox";
-			reg = <0x0 0x0 0x0 0x100000>;
-		};
-
-		env_emmc: partition@e0000 {
-			label = "barebox-environment";
-			reg = <0x0 0x100000 0x0 0x100000>;
-		};
-	};
-};
-
 &A53_0 {
 	cpu-supply = <&buck2>;
 };
-- 
2.39.2

[PATCH v1 4/7] arm: dts: imx8mp-skov: Simplify SD partition definition to 1 cell

[Oleksij Rempel]

Update the partition definitions for SD card in imx8mp-skov to use
single cell for address and size, streamlining the format.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 arch/arm/dts/imx8mp-skov.dts | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/arm/dts/imx8mp-skov.dts b/arch/arm/dts/imx8mp-skov.dts
index 1d4738dbd7..b94b9dd51d 100644
--- a/arch/arm/dts/imx8mp-skov.dts
+++ b/arch/arm/dts/imx8mp-skov.dts
@@ -88,17 +88,17 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
 &usdhc2 {
 	partitions {
 		compatible = "fixed-partitions";
-		#address-cells = <2>;
-		#size-cells = <2>;
+		#address-cells = <1>;
+		#size-cells = <1>;
 
 		partition@0 {
 			label = "barebox";
-			reg = <0x0 0x0 0x0 0x100000>;
+			reg = <0x0 0x100000>;
 		};
 
-		env_sd: partition@e0000 {
+		env_sd: partition@100000 {
 			label = "barebox-environment";
-			reg = <0x0 0x100000 0x0 0x100000>;
+			reg = <0x100000 0x100000>;
 		};
 	};
 };
-- 
2.39.2

[PATCH v1 5/7] arm: dts: imx8mp-skov: Add barebox state backend in DTS

[Oleksij Rempel]

Introduce 'state' node to manage device states using barebox state framework.
Set backend to usdhc3 and define storage parameters.

For now, reuse existing layout from Skov i.MX6 variants.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 arch/arm/dts/imx8mp-skov.dts | 105 +++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)

diff --git a/arch/arm/dts/imx8mp-skov.dts b/arch/arm/dts/imx8mp-skov.dts
index b94b9dd51d..7d6514f04b 100644
--- a/arch/arm/dts/imx8mp-skov.dts
+++ b/arch/arm/dts/imx8mp-skov.dts
@@ -31,6 +31,7 @@ aliases {
 		ethernet0 = &eqos;
 		ethernet1 = &lan1;
 		ethernet2 = &lan2;
+		state = &state;
 	};
 
 	leds {
@@ -83,6 +84,110 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
 		gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 	};
+
+	state: state {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		magic = <0x1c5b3f49>;
+		compatible = "barebox,state";
+		backend-type = "raw";
+		backend = <&usdhc3>;
+                /*
+                 * barebox-state partition size: 1 MiB
+                 * nr. of redundant copies:      4
+                 * ==> max. stride size: 1 MiB / 4 = 256 KiB = 262144 Byte
+                 *
+                 * stride size:     262144 Byte
+                 * raw-header:     -    16 Byte
+                 * direct-storage: -     8 Byte
+                 *                 ------------
+                 * max state size:  262120 Byte
+                 *                  ===========
+                 */
+		backend-stridesize = <0x40000>;
+
+		bootstate {
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			system0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				remaining_attempts@0 {
+					reg = <0x0 0x4>;
+					type = "uint32";
+					default = <3>;
+				};
+				priority@4 {
+					reg = <0x4 0x4>;
+					type = "uint32";
+					default = <30>;
+				};
+			};
+
+			system1 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				remaining_attempts@8 {
+					reg = <0x8 0x4>;
+					type = "uint32";
+					default = <3>;
+				};
+				priority@C {
+					reg = <0xC 0x4>;
+					type = "uint32";
+					default = <20>;
+				};
+			};
+
+			last_chosen@10 {
+				reg = <0x10 0x4>;
+				type = "uint32";
+			};
+		};
+
+		display {
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			xres@14 {
+				reg = <0x14 0x4>;
+				type = "uint32";
+				default = <0>;
+			};
+
+			yres@18 {
+				reg = <0x18 0x4>;
+				type = "uint32";
+				default = <0>;
+			};
+
+			brightness@1C {
+				reg = <0x1C 0x1>;
+				type = "uint8";
+				default = <8>;
+			};
+
+			external@1D {
+				reg = <0x1D 0x1>;
+				type = "uint8";
+				default = <0>;
+			};
+		};
+
+		ethaddr {
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			eth2@1e {
+				reg = <0x1E 0x6>;
+				type = "mac";
+				default = [00 11 22 33 44 55];
+			};
+		};
+	};
 };
 
 &usdhc2 {
-- 
2.39.2

[PATCH v1 6/7] ARM: i.MX8MP: skov: refactor bootsource and BBU handlers

[Oleksij Rempel]

Rework boot source and Barebox Update (BBU) handlers to support
multiple storage options in a scalable way. This commit allows for
easier extension and better maintainability.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 arch/arm/boards/skov-imx8mp/board.c | 105 +++++++++++++++++++++++++---
 1 file changed, 95 insertions(+), 10 deletions(-)

diff --git a/arch/arm/boards/skov-imx8mp/board.c b/arch/arm/boards/skov-imx8mp/board.c
index 398c74677d..58aca69236 100644
--- a/arch/arm/boards/skov-imx8mp/board.c
+++ b/arch/arm/boards/skov-imx8mp/board.c
@@ -9,21 +9,106 @@
 #include <mach/imx/bbu.h>
 #include <mach/imx/iomux-mx8mp.h>
 
-static int skov_imx8mp_probe(struct device *dev)
+struct skov_imx8mp_storage {
+	const char *name;
+	const char *env_path;
+	const char *dev_path;
+	enum bootsource bootsource;
+	int bootsource_ext_id;
+	bool mmc_boot_part;
+};
+
+enum skov_imx8mp_boot_source {
+	SKOV_BOOT_SOURCE_EMMC,
+	SKOV_BOOT_SOURCE_SD,
+	SKOV_BOOT_SOURCE_UNKNOWN,
+};
+
+static const struct skov_imx8mp_storage skov_imx8mp_storages[] = {
+	[SKOV_BOOT_SOURCE_EMMC] = {
+		/* default boot source */
+		.name = "eMMC",
+		.env_path = "/chosen/environment-emmc",
+		.dev_path = "/dev/mmc2",
+		.bootsource = BOOTSOURCE_MMC,
+		.bootsource_ext_id = 2,
+		.mmc_boot_part = true,
+	},
+	[SKOV_BOOT_SOURCE_SD] = {
+		.name = "SD",
+		.env_path = "/chosen/environment-sd",
+		.dev_path = "/dev/mmc1.barebox",
+		.bootsource = BOOTSOURCE_MMC,
+		.bootsource_ext_id = 1,
+	},
+};
+
+static void skov_imx8mp_enable_env(struct device *dev,
+				   const struct skov_imx8mp_storage *st,
+				   bool *enabled)
 {
-	int emmc_bbu_flag = 0;
-	int sd_bbu_flag = 0;
+	int ret;
 
-	if (bootsource_get() == BOOTSOURCE_MMC && bootsource_get_instance() == 1) {
-		of_device_enable_path("/chosen/environment-sd");
-		sd_bbu_flag = BBU_HANDLER_FLAG_DEFAULT;
+	if (bootsource_get() != st->bootsource ||
+	    bootsource_get_instance() != st->bootsource_ext_id)
+		return;
+
+	ret = of_device_enable_path(st->env_path);
+	if (ret) {
+		dev_err(dev, "Failed to enable environment path: %s, %pe\n",
+			st->env_path, ERR_PTR(ret));
+		return;
+	}
+
+	*enabled = true;
+}
+
+static void skov_imx8mp_add_bbu(struct device *dev,
+				const struct skov_imx8mp_storage *st,
+				bool default_env)
+{
+	unsigned long flags = 0;
+	int ret;
+
+	if (default_env)
+		flags |= BBU_HANDLER_FLAG_DEFAULT;
+
+	if (st->mmc_boot_part) {
+		ret = imx8m_bbu_internal_mmcboot_register_handler(st->name,
+								  st->dev_path,
+								  flags);
 	} else {
-		of_device_enable_path("/chosen/environment-emmc");
-		emmc_bbu_flag = BBU_HANDLER_FLAG_DEFAULT;
+		ret = imx8m_bbu_internal_mmc_register_handler(st->name,
+							      st->dev_path,
+							      flags);
+	}
+	if (ret)
+		dev_err(dev, "Failed to register %s BBU handler: %pe\n",
+			st->name, ERR_PTR(ret));
+}
+
+static void skov_imx8mp_init_storage(struct device *dev)
+{
+	int default_boot_src = SKOV_BOOT_SOURCE_EMMC;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(skov_imx8mp_storages); i++) {
+		bool enabled_env = false;
+
+		skov_imx8mp_enable_env(dev, &skov_imx8mp_storages[i],
+				       &enabled_env);
+		if (enabled_env)
+			default_boot_src = i;
 	}
 
-	imx8m_bbu_internal_mmc_register_handler("SD", "/dev/mmc1.barebox", sd_bbu_flag);
-	imx8m_bbu_internal_mmcboot_register_handler("eMMC", "/dev/mmc2", emmc_bbu_flag);
+	for (i = 0; i < ARRAY_SIZE(skov_imx8mp_storages); i++)
+		skov_imx8mp_add_bbu(dev, &skov_imx8mp_storages[i],
+				    i == default_boot_src);
+}
+
+static int skov_imx8mp_probe(struct device *dev)
+{
+	skov_imx8mp_init_storage(dev);
 
 	return 0;
 }
-- 
2.39.2

[PATCH v1 7/7] ARM: i.MX8MP: skov: Add hardware variant support

[Oleksij Rempel]

Introduce hardware variant detection in skov-imx8mp board. This
addition uses GPIOs to identify hardware versions and set the
appropriate device tree compatible strings accordingly.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 arch/arm/boards/skov-imx8mp/board.c | 128 ++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)

diff --git a/arch/arm/boards/skov-imx8mp/board.c b/arch/arm/boards/skov-imx8mp/board.c
index 58aca69236..3a1cd83bbd 100644
--- a/arch/arm/boards/skov-imx8mp/board.c
+++ b/arch/arm/boards/skov-imx8mp/board.c
@@ -1,14 +1,30 @@
 // SPDX-License-Identifier: GPL-2.0
 
+#include "linux/kernel.h"
 #include <bootsource.h>
 #include <common.h>
 #include <deep-probe.h>
 #include <envfs.h>
+#include <environment.h>
+#include <globalvar.h>
+#include <gpio.h>
 #include <init.h>
 #include <io.h>
 #include <mach/imx/bbu.h>
+#include <mach/imx/generic.h>
 #include <mach/imx/iomux-mx8mp.h>
 
+#define GPIO_HW_VARIANT  {\
+	{IMX_GPIO_NR(1, 8), GPIOF_DIR_IN | GPIOF_ACTIVE_HIGH, "var0"}, \
+	{IMX_GPIO_NR(1, 9), GPIOF_DIR_IN | GPIOF_ACTIVE_HIGH, "var1"}, \
+	{IMX_GPIO_NR(1, 10), GPIOF_DIR_IN | GPIOF_ACTIVE_HIGH, "var2"}, \
+	{IMX_GPIO_NR(1, 11), GPIOF_DIR_IN | GPIOF_ACTIVE_HIGH, "var3"}, \
+	{IMX_GPIO_NR(1, 12), GPIOF_DIR_IN | GPIOF_ACTIVE_HIGH, "var4"}, \
+	{IMX_GPIO_NR(1, 13), GPIOF_DIR_IN | GPIOF_ACTIVE_HIGH, "var5"}, \
+	{IMX_GPIO_NR(1, 14), GPIOF_DIR_IN | GPIOF_ACTIVE_HIGH, "var6"}, \
+	{IMX_GPIO_NR(1, 15), GPIOF_DIR_IN | GPIOF_ACTIVE_HIGH, "var7"}, \
+}
+
 struct skov_imx8mp_storage {
 	const char *name;
 	const char *env_path;
@@ -43,6 +59,116 @@ static const struct skov_imx8mp_storage skov_imx8mp_storages[] = {
 	},
 };
 
+struct board_description {
+	const char *dts_compatible;
+	const char *dts_compatible_hdmi;
+	unsigned flags;
+};
+
+#define SKOV_IMX8MP_HAS_HDMI	BIT(0)
+
+static const struct board_description imx8mp_variants[] = {
+	[0] = {
+		.dts_compatible = "skov,imx8mp-skov-revb-lt6",
+	},
+	[1] = {
+		.dts_compatible = "skov,imx8mp-skov-revb-mi1010ait-1cp1",
+		.dts_compatible_hdmi = "skov,imx8mp-skov-revb-hdmi",
+		.flags = SKOV_IMX8MP_HAS_HDMI,
+	},
+};
+
+static int skov_imx8mp_get_variant_id(uint *id)
+{
+	struct gpio gpios_rev[] = GPIO_HW_VARIANT;
+	struct device_node *gpio_np;
+	u32 hw_rev;
+	int ret;
+
+	gpio_np = of_find_node_by_name_address(NULL, "gpio@30200000");
+	if (!gpio_np)
+		return -ENODEV;
+
+	ret = of_device_ensure_probed(gpio_np);
+	if (ret)
+		return ret;
+
+	ret = gpio_array_to_id(gpios_rev, ARRAY_SIZE(gpios_rev), &hw_rev);
+	if (ret)
+		goto exit_get_id;
+
+	*id = hw_rev;
+
+	return 0;
+exit_get_id:
+	pr_err("Failed to read gpio ID: %pe\n", ERR_PTR(ret));
+	return ret;
+}
+
+static int skov_imx8mp_get_hdmi(struct device *dev)
+{
+	const char *env = "state.display.external";
+	struct device_node *state_np;
+	unsigned int val = 0;
+	int ret;
+
+	state_np = of_find_node_by_name_address(NULL, "state");
+	if (!state_np) {
+		dev_err(dev, "Failed to find state node\n");
+		return -ENODEV;
+	}
+
+	ret = of_device_ensure_probed(state_np);
+	if (ret) {
+		dev_err(dev, "Failed to probe state node: %pe\n", ERR_PTR(ret));
+		return ret;
+	}
+
+	ret = getenv_uint(env, &val);
+	if (ret) {
+		dev_err(dev, "Failed to read %s: %pe\n", env, ERR_PTR(ret));
+		return ret;
+	}
+
+	return val;
+}
+
+static int skov_imx8mp_init_variant(struct device *dev)
+{
+	const struct board_description *variant;
+	const char *compatible;
+	unsigned int v = 0;
+	int ret;
+
+	ret = skov_imx8mp_get_variant_id(&v);
+	if (ret)
+		return ret;
+
+	if (v >= ARRAY_SIZE(imx8mp_variants)) {
+		dev_err(dev, "Invalid variant %u\n", v);
+		return -EINVAL;
+	}
+
+	variant = &imx8mp_variants[v];
+
+	if (variant->flags & SKOV_IMX8MP_HAS_HDMI) {
+		ret = skov_imx8mp_get_hdmi(dev);
+		if (ret < 0)
+			return ret;
+
+		if (ret)
+			compatible = variant->dts_compatible_hdmi;
+		else
+			compatible = variant->dts_compatible;
+	} else {
+		compatible = variant->dts_compatible;
+	}
+
+	of_prepend_machine_compatible(NULL, compatible);
+
+	return 0;
+}
+
 static void skov_imx8mp_enable_env(struct device *dev,
 				   const struct skov_imx8mp_storage *st,
 				   bool *enabled)
@@ -110,6 +236,8 @@ static int skov_imx8mp_probe(struct device *dev)
 {
 	skov_imx8mp_init_storage(dev);
 
+	skov_imx8mp_init_variant(dev);
+
 	return 0;
 }
 
-- 
2.39.2

Re: [PATCH v1 4/7] arm: dts: imx8mp-skov: Simplify SD partition definition to 1 cell

[Ahmad Fatoum]

Hello Oleksij,

On 28.09.23 12:58, Oleksij Rempel wrote:
> Update the partition definitions for SD card in imx8mp-skov to use
> single cell for address and size, streamlining the format.

Is your eMMC really smaller than 4G? If it's >= 4G, barebox will fix it up in
the kernel DT as 2/2 cells, so keeping it 2/2 in barebox removes some noise
in of_diff - + output.

Cheers,
Ahmad

> 
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
>  arch/arm/dts/imx8mp-skov.dts | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm/dts/imx8mp-skov.dts b/arch/arm/dts/imx8mp-skov.dts
> index 1d4738dbd7..b94b9dd51d 100644
> --- a/arch/arm/dts/imx8mp-skov.dts
> +++ b/arch/arm/dts/imx8mp-skov.dts
> @@ -88,17 +88,17 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
>  &usdhc2 {
>  	partitions {
>  		compatible = "fixed-partitions";
> -		#address-cells = <2>;
> -		#size-cells = <2>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
>  
>  		partition@0 {
>  			label = "barebox";
> -			reg = <0x0 0x0 0x0 0x100000>;
> +			reg = <0x0 0x100000>;
>  		};
>  
> -		env_sd: partition@e0000 {
> +		env_sd: partition@100000 {
>  			label = "barebox-environment";
> -			reg = <0x0 0x100000 0x0 0x100000>;
> +			reg = <0x100000 0x100000>;
>  		};
>  	};
>  };

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Re: [PATCH v1 4/7] arm: dts: imx8mp-skov: Simplify SD partition definition to 1 cell

[Oleksij Rempel]

Hello Ahmad,

On Thu, Sep 28, 2023 at 10:13:44PM +0200, Ahmad Fatoum wrote:
> Hello Oleksij,
> 
> On 28.09.23 12:58, Oleksij Rempel wrote:
> > Update the partition definitions for SD card in imx8mp-skov to use
> > single cell for address and size, streamlining the format.
> 
> Is your eMMC really smaller than 4G? If it's >= 4G, barebox will fix it up in
> the kernel DT as 2/2 cells, so keeping it 2/2 in barebox removes some noise
> in of_diff - + output.

Ok, i see. Thx for the tip.
It is SD card, not eMMC. So, most probably it will be >= 4G.

I just realized, that SD card can be used as simple storage, not only as
the boot source. So, it is probably better to remove partition table from the
devicetree for SD too?

> > Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> > ---
> >  arch/arm/dts/imx8mp-skov.dts | 10 +++++-----
> >  1 file changed, 5 insertions(+), 5 deletions(-)
> > 
> > diff --git a/arch/arm/dts/imx8mp-skov.dts b/arch/arm/dts/imx8mp-skov.dts
> > index 1d4738dbd7..b94b9dd51d 100644
> > --- a/arch/arm/dts/imx8mp-skov.dts
> > +++ b/arch/arm/dts/imx8mp-skov.dts
> > @@ -88,17 +88,17 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
> >  &usdhc2 {
> >  	partitions {
> >  		compatible = "fixed-partitions";
> > -		#address-cells = <2>;
> > -		#size-cells = <2>;
> > +		#address-cells = <1>;
> > +		#size-cells = <1>;
> >  
> >  		partition@0 {
> >  			label = "barebox";
> > -			reg = <0x0 0x0 0x0 0x100000>;
> > +			reg = <0x0 0x100000>;
> >  		};
> >  
> > -		env_sd: partition@e0000 {
> > +		env_sd: partition@100000 {
> >  			label = "barebox-environment";
> > -			reg = <0x0 0x100000 0x0 0x100000>;
> > +			reg = <0x100000 0x100000>;
> >  		};
> >  	};
> >  };

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |