board/minnowboard: Unify Minnowboard and Minnowboard MAX boards
Given Minnowboard and Minnowboard MAX boards are very similar, it's desirable to unify the support for them. This commit does the following: 1) Remove Minnowboard MAX's genimage.cfg, post-build.sh and post-image.sh. These are identical to Minnowboard's. 2) Move Minnowboard MAX's linux config, and rename it. It would be lovely to have a single kernel config file. The kernel size penalty involved in adding support for all the peripherals on both boards is small enough to justify this. However, the original Minnowboard has some GPIO buttons that need to be registered by the kernel. This is not upstreamed, and hence we need to use the yocto v3.8 kernel to have this support. 3) Rename each grub config to grub-{board}.cfg. 4) Modify (the now unique) post-build script to use a different grub config, according to the board. 5) Update both defconfigs, as per the above changes. 6) Finally, update the readme.txt. [Peter: mention MAX in readme title] Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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# Create an image of the efi partition
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image efi-part.vfat {
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vfat {
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file startup.nsh {
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image = "efi-part/startup.nsh"
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}
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file EFI {
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image = "efi-part/EFI"
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}
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file bzImage {
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image = "bzImage"
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}
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}
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size=10M
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}
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# Create the sdcard image, pulling in
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# * the image created by buildroot
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# * the efi-partition created above
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image sdcard.img {
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hdimage {
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}
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partition boot {
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partition-type = 0xEF
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image = "efi-part.vfat"
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}
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partition rootfs {
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partition-type = 0x83
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image = "rootfs.ext4"
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size = 512M
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}
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}
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#!/bin/sh
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cp board/minnowboard-max/grub.cfg ${BINARIES_DIR}/efi-part/EFI/BOOT/grub.cfg
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#!/bin/sh -e
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GENIMAGE_CFG="board/minnowboard-max/genimage.cfg"
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GENIMAGE_TMP="${BUILD_DIR}/genimage.tmp"
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rm -rf "${GENIMAGE_TMP}"
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genimage \
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--rootpath "${TARGET_DIR}" \
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--tmppath "${GENIMAGE_TMP}" \
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--inputpath "${BINARIES_DIR}" \
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--outputpath "${BINARIES_DIR}" \
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--config "${GENIMAGE_CFG}"
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How to get started with the Minnow Board MAX
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============================================
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1. Build
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Apply the defconfig:
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$ make minnowboard_max_defconfig
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Add any additional packages required and build:
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$ make
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2. Write the SD card
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The build process will create a SD card image in output/images.
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Write the image to an mSD card, insert into the Minnowboard MAX
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and power the board on.
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$ dd if=output/images/sdcard.img of=/dev/mmcblk0; sync
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3. Enjoy
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Additional information about this board can be found at
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http://www.minnowboard.org/ or http://wiki.minnowboard.org/MinnowBoard_MAX
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#!/bin/sh
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#!/bin/sh
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cp board/minnowboard/grub.cfg ${BINARIES_DIR}/efi-part/EFI/BOOT/grub.cfg
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# args from BR2_ROOTFS_POST_SCRIPT_ARGS
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# $2 board name
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cp -v board/minnowboard/grub-${2}.cfg ${BINARIES_DIR}/efi-part/EFI/BOOT/grub.cfg
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How to get started with the MinnowBoard
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How to get started with the MinnowBoard (MAX)
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========================================
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=============================================
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1. Build
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1. Build
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@ -7,6 +7,10 @@ How to get started with the MinnowBoard
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$ make minnowboard_defconfig
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$ make minnowboard_defconfig
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Or, for the Minnowboard MAX board:
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$ make minnowboard_max_defconfig
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Add any additional packages required and build:
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Add any additional packages required and build:
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$ make
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$ make
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BR2_TARGET_GENERIC_GETTY_PORT="ttyPCH0"
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BR2_TARGET_GENERIC_GETTY_PORT="ttyPCH0"
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BR2_ROOTFS_POST_BUILD_SCRIPT="board/minnowboard/post-build.sh"
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BR2_ROOTFS_POST_BUILD_SCRIPT="board/minnowboard/post-build.sh"
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BR2_ROOTFS_POST_IMAGE_SCRIPT="board/minnowboard/post-image.sh"
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BR2_ROOTFS_POST_IMAGE_SCRIPT="board/minnowboard/post-image.sh"
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BR2_ROOTFS_POST_SCRIPT_ARGS="minnowboard"
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# Linux headers same as kernel, a 3.8 series
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# Linux headers same as kernel, a 3.8 series
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BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_8=y
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BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_8=y
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# Misc
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# Misc
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BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
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BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
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BR2_SYSTEM_DHCP="eth0"
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BR2_SYSTEM_DHCP="eth0"
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BR2_ROOTFS_POST_BUILD_SCRIPT="board/minnowboard-max/post-build.sh"
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BR2_ROOTFS_POST_BUILD_SCRIPT="board/minnowboard/post-build.sh"
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BR2_ROOTFS_POST_IMAGE_SCRIPT="board/minnowboard-max/post-image.sh"
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BR2_ROOTFS_POST_IMAGE_SCRIPT="board/minnowboard/post-image.sh"
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BR2_ROOTFS_POST_SCRIPT_ARGS="minnowboard-max"
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# Linux headers same as kernel, a 4.4 series
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# Linux headers same as kernel, a 4.4 series
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BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_4=y
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BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_4=y
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BR2_LINUX_KERNEL_CUSTOM_VERSION=y
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BR2_LINUX_KERNEL_CUSTOM_VERSION=y
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BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.4"
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BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.4"
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BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
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BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
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BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/minnowboard-max/linux.config"
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BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/minnowboard/linux-4.4.config"
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# Bootloader
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# Bootloader
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BR2_TARGET_GRUB2=y
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BR2_TARGET_GRUB2=y
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