[Buildroot] [PATCH v5] configs/kontron_bl_imx8mm_defconfig: new defconfig
Michael Nazzareno Trimarchi
michael at amarulasolutions.com
Mon Jan 31 16:42:23 UTC 2022
Hi
On Mon, Jan 31, 2022 at 5:38 PM Giulio Benetti
<giulio.benetti at benettiengineering.com> wrote:
>
> Hi Michael,
>
> On 31/01/22 16:42, Heiko Thiery wrote:
> > Hi Michael,
> >
> >
> > Am Mo., 31. Jan. 2022 um 16:36 Uhr schrieb Michael Nazzareno Trimarchi
> > <michael at amarulasolutions.com>:
> >>
> >> Hi Heiko
> >>
> >> On Mon, Jan 31, 2022 at 4:30 PM Heiko Thiery <heiko.thiery at gmail.com> wrote:
> >>>
> >>> The BL i.MX8M Mini is a baseboard that includes the SoM SL i.MX8M Mini.
> >>>
> >>> https://www.kontron.com/produkte/baseboard-bl-i.mx8m-mini/p158549
> >>>
> >>> Cc: Frieder Schrempf <frieder.schrempf at kontron.de>
> >>> Signed-off-by: Heiko Thiery <heiko.thiery at gmail.com>
> >>> ---
> >>> v5:
> >>> - remove BR2_PACKAGE_HOST_UBOOT_TOOLS
> >>>
> >>> v4:
> >>> - remove BR2_ARM_FPU_VFPV3 since this option is not used for aarch64.
> >>> The FPU options are set implicit.
> >>>
> >>> v3:
> >>> - change offset value to use capitol 'K' value (thanks Guilio)
> >>> - add info to uboot patches about submitting to upstream
> >>>
> >>> v2:
> >>> - switch to extlinux
> >>> - directly call genimage.sh
> >>> - remove post-image.sh
> >>> - remove BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT
> >>> - add BR2_LINUX_KERNEL_DTB_KEEP_DIRNAME
> >>>
> >>> DEVELOPERS | 2 +
> >>> board/kontron/bl-imx8mm/extlinux.conf | 4 +
> >>> board/kontron/bl-imx8mm/genimage.cfg | 18 ++
> >>> ...m-kontron-n801x-s-convert-options-to.patch | 31 ++
> >>> ...m-kontron-n801x-s-add-common-board-u.patch | 305 ++++++++++++++++++
> >>> board/kontron/bl-imx8mm/post-build.sh | 7 +
> >>> board/kontron/bl-imx8mm/readme.txt | 85 +++++
> >>> configs/kontron_bl_imx8mm_defconfig | 58 ++++
> >>> 8 files changed, 510 insertions(+)
> >>> create mode 100644 board/kontron/bl-imx8mm/extlinux.conf
> >>> create mode 100644 board/kontron/bl-imx8mm/genimage.cfg
> >>> create mode 100644 board/kontron/bl-imx8mm/patches/uboot/0001-imx-imx8mm-imx8mm-kontron-n801x-s-convert-options-to.patch
> >>> create mode 100644 board/kontron/bl-imx8mm/patches/uboot/0002-imx-imx8mm-imx8mm-kontron-n801x-s-add-common-board-u.patch
> >>> create mode 100755 board/kontron/bl-imx8mm/post-build.sh
> >>> create mode 100644 board/kontron/bl-imx8mm/readme.txt
> >>> create mode 100644 configs/kontron_bl_imx8mm_defconfig
> >>>
> >>> diff --git a/DEVELOPERS b/DEVELOPERS
> >>> index a1ec9a091e..38724726d4 100644
> >>> --- a/DEVELOPERS
> >>> +++ b/DEVELOPERS
> >>> @@ -1183,7 +1183,9 @@ F: package/python-sip/
> >>> F: package/uhd/
> >>>
> >>> N: Heiko Thiery <heiko.thiery at gmail.com>
> >>> +F: board/kontron/bl-imx8mm/
> >>> F: board/kontron/pitx-imx8m/
> >>> +F: configs/kontron_bl_imx8mm_defconfig
> >>> F: configs/kontron_pitx_imx8m_defconfig
> >>> F: package/altera-stapl/
> >>> F: package/ipmitool/
> >>> diff --git a/board/kontron/bl-imx8mm/extlinux.conf b/board/kontron/bl-imx8mm/extlinux.conf
> >>> new file mode 100644
> >>> index 0000000000..d38f7f81b7
> >>> --- /dev/null
> >>> +++ b/board/kontron/bl-imx8mm/extlinux.conf
> >>> @@ -0,0 +1,4 @@
> >>> +label buildroot
> >>> + kernel /boot/Image
> >>> + devicetree /boot/freescale/imx8mm-kontron-n801x-s.dtb
> >>> + append root=PARTUUID=%PARTUUID% rootwait rw
> >>> diff --git a/board/kontron/bl-imx8mm/genimage.cfg b/board/kontron/bl-imx8mm/genimage.cfg
> >>> new file mode 100644
> >>> index 0000000000..c98bc4f150
> >>> --- /dev/null
> >>> +++ b/board/kontron/bl-imx8mm/genimage.cfg
> >>> @@ -0,0 +1,18 @@
> >>> +image sdcard.img {
> >>> + hdimage {
> >>> + partition-table-type = "gpt"
> >>> + gpt-location = 16K
> >>> + }
> >>> +
> >>> + partition imx-boot {
> >>> + in-partition-table = "no"
> >>> + image = "flash.bin"
> >>> + offset = 33K
> >>> + }
> >>> +
> >>> + partition rootfs {
> >>> + image = "rootfs.ext4"
> >>> + offset = 8M
> >>> + partition-uuid = %PARTUUID%
> >>> + }
> >>> +}
> >>> diff --git a/board/kontron/bl-imx8mm/patches/uboot/0001-imx-imx8mm-imx8mm-kontron-n801x-s-convert-options-to.patch b/board/kontron/bl-imx8mm/patches/uboot/0001-imx-imx8mm-imx8mm-kontron-n801x-s-convert-options-to.patch
> >>> new file mode 100644
> >>> index 0000000000..6d76282def
> >>> --- /dev/null
> >>> +++ b/board/kontron/bl-imx8mm/patches/uboot/0001-imx-imx8mm-imx8mm-kontron-n801x-s-convert-options-to.patch
> >>> @@ -0,0 +1,31 @@
> >>> +From 95a311af81cd47c44d3d6e3f717f06a06d8f3dfd Mon Sep 17 00:00:00 2001
> >>> +From: Heiko Thiery <heiko.thiery at gmail.com>
> >>> +Date: Mon, 10 Jan 2022 14:13:02 +0100
> >>> +Subject: [PATCH 1/2] imx: imx8mm: imx8mm-kontron-n801x-s: convert options to Kconfig
> >>> +
> >>> +CONFIG_SPL_MMC and CONFIG_SPL_SERIAL
> >>> +
> >>> +Patch submitted upstream:
> >>> +https://patchwork.ozlabs.org/project/uboot/patch/20220112085755.7396-1-heiko.thiery@gmail.com/
> >>> +
> >>> +Signed-off-by: Heiko Thiery <heiko.thiery at gmail.com>
> >>> +---
> >>> + configs/kontron-sl-mx8mm_defconfig | 2 ++
> >>> + 1 file changed, 2 insertions(+)
> >>> +
> >>> +diff --git a/configs/kontron-sl-mx8mm_defconfig b/configs/kontron-sl-mx8mm_defconfig
> >>> +index 35d12fca32..940bf07a92 100644
> >>> +--- a/configs/kontron-sl-mx8mm_defconfig
> >>> ++++ b/configs/kontron-sl-mx8mm_defconfig
> >>> +@@ -15,6 +15,8 @@ CONFIG_SPL_DM_SPI=y
> >>> + CONFIG_DEFAULT_DEVICE_TREE="imx8mm-kontron-n801x-s"
> >>> + CONFIG_SPL_TEXT_BASE=0x7E1000
> >>> + CONFIG_TARGET_KONTRON_MX8MM=y
> >>> ++CONFIG_SPL_MMC=y
> >>> ++CONFIG_SPL_SERIAL=y
> >>> + CONFIG_BOOTCOUNT_BOOTLIMIT=3
> >>> + CONFIG_SPL=y
> >>> + CONFIG_DISTRO_DEFAULTS=y
> >>> +--
> >>> +2.30.2
> >>> +
> >>> diff --git a/board/kontron/bl-imx8mm/patches/uboot/0002-imx-imx8mm-imx8mm-kontron-n801x-s-add-common-board-u.patch b/board/kontron/bl-imx8mm/patches/uboot/0002-imx-imx8mm-imx8mm-kontron-n801x-s-add-common-board-u.patch
> >>> new file mode 100644
> >>> index 0000000000..a88d7aba87
> >>> --- /dev/null
> >>> +++ b/board/kontron/bl-imx8mm/patches/uboot/0002-imx-imx8mm-imx8mm-kontron-n801x-s-add-common-board-u.patch
> >>> @@ -0,0 +1,305 @@
> >>> +From ef694c19c074333fd16589ec6ffef3e7ca895186 Mon Sep 17 00:00:00 2001
> >>> +From: Heiko Thiery <heiko.thiery at gmail.com>
> >>> +Date: Wed, 12 Jan 2022 08:44:36 +0100
> >>> +Subject: [PATCH 2/2] imx: imx8mm: imx8mm-kontron-n801x-s: add common board
> >>> + u-boot.dtsi
> >>> +
> >>> +When using a board variant that selects the lvds specific dtb the
> >>> +*.u-boot.dtsi file will not be included. To have a lvds dtb specific
> >>> +u-boot.dtsi file move this part to a common board u-boot.dtsi file and
> >>> +include this in the board base u-boot.dtsi and create an additional one
> >>> +for the lvds variant.
> >>> +
> >>> +Patch submitted upstream:
> >>> +https://patchwork.ozlabs.org/project/uboot/patch/20220112085755.7396-2-heiko.thiery@gmail.com/
> >>> +
> >>> +Signed-off-by: Heiko Thiery <heiko.thiery at gmail.com>
> >>> +---
> >>> + .../imx8mm-kontron-n801x-s-lvds-u-boot.dtsi | 6 +
> >>> + .../dts/imx8mm-kontron-n801x-s-u-boot.dtsi | 124 +----------------
> >>> + arch/arm/dts/imx8mm-kontron-n801x-u-boot.dtsi | 128 ++++++++++++++++++
> >>> + 3 files changed, 135 insertions(+), 123 deletions(-)
> >>> + create mode 100644 arch/arm/dts/imx8mm-kontron-n801x-s-lvds-u-boot.dtsi
> >>> + create mode 100644 arch/arm/dts/imx8mm-kontron-n801x-u-boot.dtsi
> >>> +
> >>> +diff --git a/arch/arm/dts/imx8mm-kontron-n801x-s-lvds-u-boot.dtsi b/arch/arm/dts/imx8mm-kontron-n801x-s-lvds-u-boot.dtsi
> >>> +new file mode 100644
> >>> +index 0000000000..4bf75722bf
> >>> +--- /dev/null
> >>> ++++ b/arch/arm/dts/imx8mm-kontron-n801x-s-lvds-u-boot.dtsi
> >>> +@@ -0,0 +1,6 @@
> >>> ++// SPDX-License-Identifier: GPL-2.0+
> >>> ++/*
> >>> ++ * Copyright (C) 2019 Kontron Electronics GmbH
> >>> ++ */
> >>> ++
> >>> ++#include "imx8mm-kontron-n801x-u-boot.dtsi"
> >>> +diff --git a/arch/arm/dts/imx8mm-kontron-n801x-s-u-boot.dtsi b/arch/arm/dts/imx8mm-kontron-n801x-s-u-boot.dtsi
> >>> +index 22d18e6f1c..4bf75722bf 100644
> >>> +--- a/arch/arm/dts/imx8mm-kontron-n801x-s-u-boot.dtsi
> >>> ++++ b/arch/arm/dts/imx8mm-kontron-n801x-s-u-boot.dtsi
> >>> +@@ -3,126 +3,4 @@
> >>> + * Copyright (C) 2019 Kontron Electronics GmbH
> >>> + */
> >>> +
> >>> +-#include "imx8mm-u-boot.dtsi"
> >>> +-
> >>> +-/ {
> >>> +- aliases {
> >>> +- usb0 = &usbotg1;
> >>> +- usb1 = &usbotg2;
> >>> +- };
> >>> +-
> >>> +- wdt-reboot {
> >>> +- compatible = "wdt-reboot";
> >>> +- wdt = <&wdog1>;
> >>> +- u-boot,dm-spl;
> >>> +- };
> >>> +-
> >>> +- firmware {
> >>> +- optee {
> >>> +- compatible = "linaro,optee-tz";
> >>> +- method = "smc";
> >>> +- };
> >>> +- };
> >>> +-};
> >>> +-
> >>> +-&fec1 {
> >>> +- phy-mode = "rgmii-rxid";
> >>> +-};
> >>> +-
> >>> +-&i2c1 {
> >>> +- u-boot,dm-spl;
> >>> +- u-boot,dm-pre-reloc;
> >>> +-};
> >>> +-
> >>> +-&i2c2 {
> >>> +- status = "okay";
> >>> +- u-boot,dm-spl;
> >>> +- u-boot,dm-pre-reloc;
> >>> +-};
> >>> +-
> >>> +-&pinctrl_ecspi1 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&pinctrl_i2c1 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&pinctrl_pmic {
> >>> +- u-boot,dm-spl;
> >>> +- fsl,pins = <
> >>> +- MX8MM_IOMUXC_GPIO1_IO00_GPIO1_IO0 0x141
> >>> +- /* Disable Pullup for SD_VSEL */
> >>> +- MX8MM_IOMUXC_GPIO1_IO04_GPIO1_IO4 0x41
> >>> +- >;
> >>> +-};
> >>> +-
> >>> +-&pinctrl_uart3 {
> >>> +- u-boot,dm-spl;
> >>> +- u-boot,dm-pre-reloc;
> >>> +-};
> >>> +-
> >>> +-&pinctrl_usdhc1 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&pinctrl_usdhc1_100mhz {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&pinctrl_usdhc1_200mhz {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&pinctrl_usdhc2 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&pca9450 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&{/soc at 0/bus at 30800000/i2c at 30a20000/pmic at 25/regulators} {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&ecspi1 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&gpio1 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&gpio2 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&gpio3 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&gpio4 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&gpio5 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&uart3 {
> >>> +- u-boot,dm-spl;
> >>> +- u-boot,dm-pre-reloc;
> >>> +-};
> >>> +-
> >>> +-&usdhc1 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&usdhc2 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> +-
> >>> +-&wdog1 {
> >>> +- u-boot,dm-spl;
> >>> +-};
> >>> ++#include "imx8mm-kontron-n801x-u-boot.dtsi"
> >>> +diff --git a/arch/arm/dts/imx8mm-kontron-n801x-u-boot.dtsi b/arch/arm/dts/imx8mm-kontron-n801x-u-boot.dtsi
> >>> +new file mode 100644
> >>> +index 0000000000..22d18e6f1c
> >>> +--- /dev/null
> >>> ++++ b/arch/arm/dts/imx8mm-kontron-n801x-u-boot.dtsi
> >>> +@@ -0,0 +1,128 @@
> >>> ++// SPDX-License-Identifier: GPL-2.0+
> >>> ++/*
> >>> ++ * Copyright (C) 2019 Kontron Electronics GmbH
> >>> ++ */
> >>> ++
> >>> ++#include "imx8mm-u-boot.dtsi"
> >>> ++
> >>> ++/ {
> >>> ++ aliases {
> >>> ++ usb0 = &usbotg1;
> >>> ++ usb1 = &usbotg2;
> >>> ++ };
> >>> ++
> >>> ++ wdt-reboot {
> >>> ++ compatible = "wdt-reboot";
> >>> ++ wdt = <&wdog1>;
> >>> ++ u-boot,dm-spl;
> >>> ++ };
> >>> ++
> >>> ++ firmware {
> >>> ++ optee {
> >>> ++ compatible = "linaro,optee-tz";
> >>> ++ method = "smc";
> >>> ++ };
> >>> ++ };
> >>> ++};
> >>> ++
> >>> ++&fec1 {
> >>> ++ phy-mode = "rgmii-rxid";
> >>> ++};
> >>> ++
> >>> ++&i2c1 {
> >>> ++ u-boot,dm-spl;
> >>> ++ u-boot,dm-pre-reloc;
> >>> ++};
> >>> ++
> >>> ++&i2c2 {
> >>> ++ status = "okay";
> >>> ++ u-boot,dm-spl;
> >>> ++ u-boot,dm-pre-reloc;
> >>> ++};
> >>> ++
> >>> ++&pinctrl_ecspi1 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&pinctrl_i2c1 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&pinctrl_pmic {
> >>> ++ u-boot,dm-spl;
> >>> ++ fsl,pins = <
> >>> ++ MX8MM_IOMUXC_GPIO1_IO00_GPIO1_IO0 0x141
> >>> ++ /* Disable Pullup for SD_VSEL */
> >>> ++ MX8MM_IOMUXC_GPIO1_IO04_GPIO1_IO4 0x41
> >>> ++ >;
> >>> ++};
> >>> ++
> >>> ++&pinctrl_uart3 {
> >>> ++ u-boot,dm-spl;
> >>> ++ u-boot,dm-pre-reloc;
> >>> ++};
> >>> ++
> >>> ++&pinctrl_usdhc1 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&pinctrl_usdhc1_100mhz {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&pinctrl_usdhc1_200mhz {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&pinctrl_usdhc2 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&pca9450 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&{/soc at 0/bus at 30800000/i2c at 30a20000/pmic at 25/regulators} {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&ecspi1 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&gpio1 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&gpio2 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&gpio3 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&gpio4 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&gpio5 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&uart3 {
> >>> ++ u-boot,dm-spl;
> >>> ++ u-boot,dm-pre-reloc;
> >>> ++};
> >>> ++
> >>> ++&usdhc1 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&usdhc2 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> ++
> >>> ++&wdog1 {
> >>> ++ u-boot,dm-spl;
> >>> ++};
> >>> +--
> >>> +2.30.2
> >>> +
> >>> diff --git a/board/kontron/bl-imx8mm/post-build.sh b/board/kontron/bl-imx8mm/post-build.sh
> >>> new file mode 100755
> >>> index 0000000000..bf8861f6a9
> >>> --- /dev/null
> >>> +++ b/board/kontron/bl-imx8mm/post-build.sh
> >>> @@ -0,0 +1,7 @@
> >>> +#!/bin/sh
> >>> +BOARD_DIR="$(dirname $0)"
> >>> +PARTUUID="$($HOST_DIR/bin/uuidgen)"
> >>> +
> >>> +install -d "$TARGET_DIR/boot/extlinux/"
> >>> +sed "s/%PARTUUID%/$PARTUUID/g" "$BOARD_DIR/extlinux.conf" > "$TARGET_DIR/boot/extlinux/extlinux.conf"
> >>> +sed "s/%PARTUUID%/$PARTUUID/g" "$BOARD_DIR/genimage.cfg" > "$BINARIES_DIR/genimage.cfg"
> >>> diff --git a/board/kontron/bl-imx8mm/readme.txt b/board/kontron/bl-imx8mm/readme.txt
> >>> new file mode 100644
> >>> index 0000000000..df47ba5174
> >>> --- /dev/null
> >>> +++ b/board/kontron/bl-imx8mm/readme.txt
> >>> @@ -0,0 +1,85 @@
> >>> +Kontron BL i.MX8M Mini
> >>> +======================
> >>> +
> >>> +https://www.kontron.com/produkte/baseboard-bl-i.mx8m-mini/p158549
> >>> +
> >>> +
> >>> +How to build it
> >>> +===============
> >>> +
> >>> +Configure buildroot:
> >>> +
> >>> + $ make kontron_bl_imx8mm_defconfig
> >>> +
> >>> +Change settings to fit your needs (optional):
> >>> +
> >>> + $ make menuconfig
> >>> +
> >>> +Compile everything and build the rootfs image:
> >>> +
> >>> + $ make
> >>> +
> >>> +
> >>> +Result of the build
> >>> +===================
> >>> +
> >>> +After building, the output/images directory contains:
> >>> +
> >>> + output/images/
> >>> + ├── bl31.bin
> >>> + ├── boot.scr
> >>> + ├── ddr_fw.bin
> >>> + ├── flash.bin
> >>> + ├── Image
> >>> + ├── imx8mm-kontron-n801x-s.dtb
> >>> + ├── lpddr4_pmu_train_1d_dmem_201904.bin
> >>> + ├── lpddr4_pmu_train_1d_dmem_202006.bin
> >>> + ├── lpddr4_pmu_train_1d_dmem.bin
> >>> + ├── lpddr4_pmu_train_1d_dmem_pad.bin
> >>> + ├── lpddr4_pmu_train_1d_fw.bin
> >>> + ├── lpddr4_pmu_train_1d_imem_201904.bin
> >>> + ├── lpddr4_pmu_train_1d_imem_202006.bin
> >>> + ├── lpddr4_pmu_train_1d_imem.bin
> >>> + ├── lpddr4_pmu_train_1d_imem_pad.bin
> >>> + ├── lpddr4_pmu_train_2d_dmem_201904.bin
> >>> + ├── lpddr4_pmu_train_2d_dmem_202006.bin
> >>> + ├── lpddr4_pmu_train_2d_dmem.bin
> >>> + ├── lpddr4_pmu_train_2d_dmem_pad.bin
> >>> + ├── lpddr4_pmu_train_2d_fw.bin
> >>> + ├── lpddr4_pmu_train_2d_imem_201904.bin
> >>> + ├── lpddr4_pmu_train_2d_imem_202006.bin
> >>> + ├── lpddr4_pmu_train_2d_imem.bin
> >>> + ├── lpddr4_pmu_train_2d_imem_pad.bin
> >>> + ├── lpddr4_pmu_train_fw.bin
> >>> + ├── rootfs.ext2
> >>> + ├── rootfs.ext4 -> rootfs.ext2
> >>> + ├── rootfs.tar
> >>> + ├── sdcard.img
> >>> + ├── u-boot.bin
> >>> + └── u-boot-spl.bin
> >>> +
> >>> +
> >>> +Flashing the SD card image
> >>> +==========================
> >>> +
> >>> +To install the image on a SDCard simply copy sdcard.img to the storage (e.g. SD, eMMC)
> >>> +
> >>> + $ sudo dd if=output/images/sdcard.img of=<your-sd-device>
> >>> +
> >>> +
> >>> +Preparing the board
> >>> +===================
> >>> +
> >>> + * Connect a serial line to the board
> >>> + * Insert the SD card
> >>> + * Power-up the board
> >>> +
> >>> +
> >>> +Booting the board
> >>> +=================
> >>> +
> >>> +By default the bootloader will search for the first valid image, starting
> >>> +with the internal eMMC. To make sure the bootloader loads bootscript from
> >>> +the correct location (SD card) set the boot_targets environment variable:
> >>> +
> >>> + $ setenv boot_targets mmc1
> >>> diff --git a/configs/kontron_bl_imx8mm_defconfig b/configs/kontron_bl_imx8mm_defconfig
> >>> new file mode 100644
> >>> index 0000000000..0cf0115bfa
> >>> --- /dev/null
> >>> +++ b/configs/kontron_bl_imx8mm_defconfig
> >>> @@ -0,0 +1,58 @@
> >>> +# Architecture
> >>> +BR2_aarch64=y
> >>> +BR2_ARM_FPU_VFPV3=y
> >>> +
> >>> +BR2_GLOBAL_PATCH_DIR="board/kontron/bl-imx8mm/patches"
> >>> +
> >>> +# System
> >>> +BR2_TARGET_GENERIC_GETTY_PORT="ttymxc2"
> >>> +
> >>> +# Kernel
> >>> +BR2_LINUX_KERNEL=y
> >>> +BR2_LINUX_KERNEL_CUSTOM_VERSION=y
> >>> +BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.16"
> >>> +BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
> >>> +BR2_LINUX_KERNEL_DTS_SUPPORT=y
> >>> +BR2_LINUX_KERNEL_INTREE_DTS_NAME="freescale/imx8mm-kontron-n801x-s"
> >>> +BR2_LINUX_KERNEL_DTB_KEEP_DIRNAME=y
> >>> +BR2_LINUX_KERNEL_INSTALL_TARGET=y
> >>> +BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
> >>> +
> >>> +BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_16=y
> >>> +
> >>> +BR2_PACKAGE_FREESCALE_IMX=y
> >>> +BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8MM=y
> >>> +BR2_PACKAGE_FIRMWARE_IMX=y
> >>> +
> >>> +# Filesystem / image
> >>> +BR2_TARGET_ROOTFS_EXT2=y
> >>> +BR2_TARGET_ROOTFS_EXT2_4=y
> >>> +BR2_TARGET_ROOTFS_EXT2_SIZE="120M"
> >>> +
> >>> +# Bootloader
> >>> +BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
> >>> +BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION=y
> >>> +BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION_VALUE="v2.6"
> >>> +BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="imx8mm"
> >>> +BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31=y
> >>> +BR2_TARGET_ARM_TRUSTED_FIRMWARE_ADDITIONAL_VARIABLES="IMX_BOOT_UART_BASE=0x30880000"
> >>> +BR2_TARGET_UBOOT=y
> >>> +BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
> >>> +BR2_TARGET_UBOOT_CUSTOM_VERSION=y
> >>> +BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2022.01"
> >>> +BR2_TARGET_UBOOT_BOARD_DEFCONFIG="kontron-sl-mx8mm"
> >>> +BR2_TARGET_UBOOT_NEEDS_DTC=y
> >>> +BR2_TARGET_UBOOT_NEEDS_PYTHON3=y
> >>> +BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
> >>> +BR2_TARGET_UBOOT_NEEDS_ATF_BL31=y
> >>> +BR2_TARGET_UBOOT_NEEDS_ATF_BL31_BIN=y
> >>> +BR2_TARGET_UBOOT_NEEDS_IMX_FIRMWARE=y
> >>> +BR2_TARGET_UBOOT_FORMAT_CUSTOM=y
> >>> +BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="flash.bin"
> >>> +BR2_TARGET_UBOOT_SPL=y
> >>> +
> >>> +# Required host tools to create the SD/eMMC image
> >>> +BR2_ROOTFS_POST_BUILD_SCRIPT="board/kontron/bl-imx8mm/post-build.sh"
> >>> +BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
> >>> +BR2_ROOTFS_POST_SCRIPT_ARGS="-c $(BINARIES_DIR)/genimage.cfg"
> >>> +BR2_PACKAGE_HOST_GENIMAGE=y
> >>
> >> I have seen that some people like to have this organization but it's
> >> not really nice to maintain. I would like
> >> to savedefconfig and use that one instead of having nice commented
> >> part. Is this mandatory?
> >
> > As far as I know there is no rule how to do that. For me it seems to
> > be more readable and clean. But this is only my opinion.
>
> As Heiko pointed it's a very good habit.
>
> One thing that must be taken into account while doing it, is to keep the
> various BR2_* configs ordered as they are ordere inside the various
> Config.in
There are good information indeed but even those information must be
keep updated. Daily work show me that work on
savedefconfig make things nicely. Some of your option can be at some
point autoselect by another one and so on.
Michael
>
> Best regards
> --
> Giulio Benetti
> Benetti Engineering sas
--
Michael Nazzareno Trimarchi
Co-Founder & Chief Executive Officer
M. +39 347 913 2170
michael at amarulasolutions.com
__________________________________
Amarula Solutions BV
Joop Geesinkweg 125, 1114 AB, Amsterdam, NL
T. +31 (0)85 111 9172
info at amarulasolutions.com
www.amarulasolutions.com
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