board: add support for Minnowboard MAX
Very similar to the older Minnowboard, except that it works with mainline Linux, uses 64bit firmware and a realtek NIC needing firmware. The Linux configuration is based on the configuration fragment on elinux: http://elinux.org/Minnowboard:MinnowMaxLinuxKernel Many thanks to Circuitco for sponsoring a board. Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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set default="0"
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set timeout="5"
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menuentry "Buildroot" {
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linux /bzImage root=/dev/mmcblk0p2 rootwait console=tty0 console=ttyS0,115200
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}
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CONFIG_NO_HZ=y
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CONFIG_SMP=y
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CONFIG_X86_INTEL_LPSS=y
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CONFIG_MATOM=y
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CONFIG_EFI=y
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CONFIG_PM_RUNTIME=y
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CONFIG_CPU_FREQ=y
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CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
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CONFIG_X86_INTEL_PSTATE=y
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CONFIG_X86_ACPI_CPUFREQ=y
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CONFIG_INTEL_IDLE=y
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CONFIG_IA32_EMULATION=y
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CONFIG_NET=y
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CONFIG_PACKET=y
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CONFIG_UNIX=y
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CONFIG_INET=y
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CONFIG_CHR_DEV_SG=y
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CONFIG_ATA=y
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CONFIG_SATA_AHCI=y
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CONFIG_ATA_PIIX=y
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CONFIG_NETDEVICES=y
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CONFIG_R8169=y
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CONFIG_SERIAL_8250=y
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CONFIG_SERIAL_8250_CONSOLE=y
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CONFIG_SERIAL_8250_DW=y
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CONFIG_I2C_I801=y
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CONFIG_I2C_DESIGNWARE_PLATFORM=y
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CONFIG_I2C_DESIGNWARE_PCI=y
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CONFIG_SPI=y
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CONFIG_SPI_PXA2XX=y
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CONFIG_SPI_DESIGNWARE=y
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CONFIG_PINCTRL_BAYTRAIL=y
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CONFIG_GPIOLIB=y
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CONFIG_GPIO_SYSFS=y
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CONFIG_AGP=y
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CONFIG_DRM=y
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CONFIG_DRM_I915=y
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CONFIG_USB=y
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CONFIG_USB_XHCI_HCD=y
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CONFIG_NOP_USB_XCEIV=y
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CONFIG_MMC=y
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CONFIG_MMC_SDHCI=y
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CONFIG_MMC_SDHCI_PCI=y
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CONFIG_MMC_SDHCI_ACPI=y
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CONFIG_PWM=y
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CONFIG_PWM_LPSS=y
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CONFIG_EXT4_FS=y
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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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Prepare the SD card for the Minnow Board MAX
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============================================
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1. Partition the SD card with a GPT partition table
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sudo cgdisk /dev/mmcblk0
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Create two partitions:
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a) First partition of a few dozens of megabytes, which will be
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used to store the bootloader and the kernel image. Type must
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be EF00 (EFI partition).
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b) Second partition of any size, which will be used to store the
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root filesystem. Type must be 8300 (Linux filesystem)
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2. Prepare the boot partition
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We will format it, mount it, copy the EFI data generated by
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Buildroot, and the kernel image.
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sudo mkfs.vfat -F 32 -n boot /dev/mmcblk0p1
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sudo mount /dev/mmcblk0p1 /mnt
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sudo cp -a output/images/efi-part/* /mnt/
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sudo cp output/images/bzImage /mnt/
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sudo umount /mnt
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3. Prepare the root partition
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We will format it, mount it, and extract the root filesystem.
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sudo mkfs.ext4 -L root /dev/mmcblk0p2
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sudo mount /dev/mmcblk0p2 /mnt
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sudo tar -C /mnt -xf output/images/rootfs.tar
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sudo umount /mnt
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4. Enjoy
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Additional information about this board can be found at
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http://www.minnowboard.org/ or http://elinux.org/Minnowboard:MinnowMax.
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# Architecture
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BR2_x86_64=y
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BR2_x86_atom=y
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# Misc
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BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
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BR2_ROOTFS_POST_BUILD_SCRIPT="board/minnowboard-max/post-build.sh"
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# Lock to 3.17 headers to avoid breaking with newer kernels
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BR2_KERNEL_HEADERS_VERSION=y
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BR2_DEFAULT_KERNEL_VERSION="3.17.2"
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BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_17=y
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# Needed for ethernet
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BR2_PACKAGE_LINUX_FIRMWARE=y
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BR2_PACKAGE_LINUX_FIRMWARE_RTL_8169=y
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# Linux kernel
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BR2_LINUX_KERNEL=y
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BR2_LINUX_KERNEL_CUSTOM_VERSION=y
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BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="3.17.2"
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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-3.17.config"
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# Bootloader
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BR2_TARGET_GRUB2=y
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BR2_TARGET_GRUB2_X86_64_EFI=y
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