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# U-Boot: BeagleBoard
# Maintainer: André Silva <emulatorman@hyperbola.info>
# Contributor: Jookia <166291@gmail.com>
# Contributor: Márcio Silva <coadde@hyperbola.info>

pkgbase=uboot4extlinux-omap3
pkgname=('uboot4extlinux-omap3_beagle')
pkgver=2019.10
pkgrel=1
arch=('armv7h')
url="http://git.denx.de/u-boot.git/"
license=('GPL')
makedepends=('bc' 'bison' 'dtc' 'flex' 'python' 'python2' 'swig')
backup=(boot/extlinux/extlinux.conf)
source=("ftp://ftp.denx.de/pub/u-boot/u-boot-${pkgver}.tar.bz2"
        '0001-omap34xx-SPL-enable-MMC-raw-boot-with-u-boot.img.patch'
        'extlinux.conf')
sha256sums=('8d6d6070739522dd236cba7055b8736bfe92b4fac0ea18ad809829ca79667014'
            'SKIP'
            'd8ca994d80f05a99963b92736860d0a7f420d0771a6e5da9add0c6eac40034b6')

boards=('omap3_beagle')

prepare() {
  cd u-boot-${pkgver}

  # The default is 0x300 512b blocks which forces u-boot.img to be locarted at
  # 384k on the microSD. As u-boot.img is big, it often goes over the 1MB empty
  # space that is created by default when partitioning block devices. That
  # corrupts the first partition. Using 0x200 leaves more space to u-boot.img
  # and is well aligned to 128k.
  echo 'CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x200' >> configs/omap3_beagle_defconfig

  # See the 0001-omap34xx-SPL-enable-MMC-raw-boot-with-u-boot.img.patch for
  # rationale for this configuration
  echo '# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set' >> configs/omap3_beagle_defconfig

  # We want to enable users to use both RAW mode and filesystems to install
  # u-boot, but as filesystems are more complicated due to constraints that
  # need to be respected for it to work we default to raw block. This patch
  # restores the ability of using RAW block mode. RAW partitions have not been
  # tested yet and may or may not work but they have constraints as well.
  patch -Np1 -i ../0001-omap34xx-SPL-enable-MMC-raw-boot-with-u-boot.img.patch
}

build() {
  cd u-boot-${pkgver}

  unset CFLAGS CXXFLAGS LDFLAGS

  for i in ${boards[@]}; do
    mkdir -p ../bin_${i}
    make distclean
    make ${i}_defconfig
    echo 'CONFIG_IDENT_STRING=" Parabola GNU/Linux-libre"' >> .config
    make EXTRAVERSION=-${pkgrel}
    mv -f MLO u-boot.img ../bin_${i}
  done
}

package_uboot4extlinux-omap3_beagle() {
  pkgdesc="U-Boot with Extlinux support for various BeagleBoards"

  install=${pkgbase}.install
  provides=('uboot4extlinux-omap3')
  conflicts=('grub-omap3_beagle'
             'grub-omap3_beagle_xm'
             'grub-omap3_beagle_xm_ab'
             'uboot-omap3_beagle')

  install -d "${pkgdir}"/boot/extlinux
  install -d "${pkgdir}"/boot/u-boot/images/

  install -Dm644 \
	bin_omap3_beagle/MLO \
	bin_omap3_beagle/u-boot.img \
	"${pkgdir}"/boot/u-boot/images/

  install -Dm644 extlinux.conf "${pkgdir}"/boot/extlinux
}