# the original u-boot source drop from 2014
# https://github.com/allwinner-zh/bootloader.git (no git history. fuck.)

# root@librem15:~/pinebook/u-boot-jcarr/board/sunxi# git log --branches=* |grep ^Author |sort -u |wc -l
# 2385 contributors in u-boot (more or less. less actually. ~1500)

# push all the remote tags to your server after adding the remote
# git push -u origin --all
# git push -u origin --tags

all:

clone:
	# git clone https://github.com/trini/u-boot.git
	git clone git@git.wit.com:jcarr/u-boot.git

	git remote add ayufan https://github.com/ayufan-pine64/u-boot-pine64.git
	git fetch pine64

	git remote add longsleep https://github.com/longsleep/u-boot-pine64.git
	git fetch longsleep

	git remote add rockchip https://github.com/rockchip-linux/u-boot.git
	git fetch rockchip

	git remote add anarsoul https://github.com/anarsoul/u-boot-pine64
	git fetch anarsoul

	git remote add trini https://github.com/trini/u-boot.git
	git fetch trini

show:
	git remote -v
	git branch -r

update:
	# git branch -a # shows all branches
	# git ls-remote
	git fetch --verbose --all --prune

# show all commits on all branches
# so you can search everywhere if you are trying to find something lost
all-commits:
	git rev-list --remotes
	git rev-list --all --remotes --pretty
	git log --branches=*

toms-recent-commits:
	git log --pretty=format:"%ad:%an:%d:%B" --date=short --reverse --all --since=2.months.ago --author=trini

# builds and runs on Jan 1 2019
build-pinebook
	export CROSS_COMPILE=/home/pinebook/cross-compilers/gcc-linaro/bin/aarch64-linux-gnu-
	git checkout anarsoul/pinebook-wip-20181109
	make pinebook_defconfig
	make all V=1

build-qemu-arm:
	make qemu_arm_defconfig
	make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- -j5

build-x86-x32:
	make qemu-x86_defconfig
	make -j5
	qemu-system-i386 -machine none -bios u-boot.bin

# this at least builds (for what it's worth)
pinebook-build1:
	# git checkout -b jcarr-my-hacks-3.0 pine64/my-hacks-3.0 # old?
	git checkout -b jcarr-my-hacks-1.2 pine64/my-hacks-1.2
	export PATH=/root/pinebook/cross-compilers/gcc-linaro-arm-linux-gnueabihf-4.9-2014.09_linux/bin/:$PATH
	make sun50iw1p1_config
	make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf-

# https://balau82.wordpress.com/2010/03/10/u-boot-for-arm-on-qemu/
build-2014-versatilepb:
	git checkout v2015.04
	cp include/linux/compiler-gcc5.h include/linux/compiler-gcc7.h  # from v2017-03
	make versatileqemu_config ARCH=arm CROSS_COMPILE=arm-none-eabi-
	make all ARCH=arm CROSS_COMPILE=arm-none-eabi-
	qemu-system-arm -M versatilepb -m 128M -nographic -kernel u-boot.bin

		# U-Boot 2015.04 (Dec 11 2018 - 16:36:36)
		#
		# DRAM:  128 MiB
		# WARNING: Caches not enabled
		# Using default environment
		#
		# In:    serial
		# Out:   serial
		# Err:   serial
		# Net:   SMC91111-0
		# Warning: SMC91111-0 using MAC address from net device

		# VersatilePB #

killall-qemu-arm:
	killall -9 qemu-system-arm

flash:
	# datasheet for eMMC 16GB flash
	# Foresee NCEMASKG-16G Rev A0

rom-address-offsets-within-u-boot:
	# md 0x4a000000 # eMMC u-boot.bin start
	# md 0x10000    # boot0
	# 0x10000 boot1 # doesn't exist

anarsoul-build:
	git checkout anarsoul/pinebook-wip-20181109
	# fails with arm-none-eabi-gcc (15:7-2018-q2-4) 7.3.1 20180622 on x64
	# make pinebook_defconfig ARCH=arm CROSS_COMPILE=arm-none-eabi-
	# make all ARCH=arm CROSS_COMPILE=arm-none-eabi- V=1

	# also doesn't work with gcc-5 or gcc-8
	make pinebook_defconfig ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf-
	make all ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- V=1

	# also doesn't work with gcc-5 or gcc-8
	make pinebook_defconfig ARCH=arm CROSS_COMPILE=aarch64-linux-gnu-
	make all ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- V=1

	make pinebook_defconfig ARCH=arm CROSS_COMPILE=arm-linux-gnueabi-
	make all ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- V=1

	# native build on sid directly on the pinebook:
	apt install bison flex swig python-dev
	make clean; make distclean;
	git checkout anarsoul/pinebook-wip-20181109
	make pinebook_defconfig
	make all V=1
	dd if=u-boot-sunxi-with-spl.bin of=/dev/mmcblk0 bs=1K seek=8
	# boots and hangs after:
	# U-Boot SPL 2018.11-rc3-00047-g54dd89fefc (Dec 16 2018 - 15:00:32 +0000)
	# DRAM: 2048 MiB
	# Trying to boot from MMC1

linaro-gcc:
	# wget # aria2c -x6 -k1M -c https://releases.linaro.org/components/toolchain/binaries/7.2-2017.11/aarch64-linux-gnu/gcc-linaro-7.2.1-2017.11-x86_64_aarch64-linux-gnu.tar.xz
	PATH=/root/pinebook/cross-compilers/gcc-linaro/bin/:$PATH aarch64-linux-gnu-gcc -v
	PATH=/root/pinebook/cross-compilers/gcc-linaro/bin/:$PATH make pinebook_defconfig ARCH=arm CROSS_COMPILE=aarch64-linux-gnu-
	cp ../arm-trusted-firmware/build/fvp/release/bl31.bin .
	PATH=/root/pinebook/cross-compilers/gcc-linaro/bin/:$PATH make all ARCH=arm CROSS_COMPILE=aarch64-linux-gnu-

arm-trusted-firmware:
	git clone https://github.com/ARM-software/arm-trusted-firmware.git

	git remote add apritzel https://github.com/apritzel/arm-trusted-firmware.git
	git fetch apritzel

	apt install device-tree-compiler
	export CROSS_COMPILE=/root/pinebook/cross-compilers/gcc-linaro/bin/aarch64-linux-gnu-
	git checkout -b pinebook apritzel/allwinner
	make PLAT=sun50iw1p1 DEBUG=1 bl31

misc:
	update-alternatives --set gcc "/usr/bin/gcc-7"
	update-alternatives --set g++ "/usr/bin/g++-7"
	need to first set it with the .syntax unified directive.

dd-current-uboot:
	dd if=/dev/mmcblk0 of=current-uboot bs=1K skip=8 count=8

dd-current-partitionmap:
	dd if=/dev/mmcblk0 of=current-mmcblk0 bs=1K count=64

dd-new-uboot:
	dd if=u-boot-sunxi-with-spl.bin of=/dev/mmcblk0 bs=1K seek=8

dd-zeroes:
	dd if=/dev/zero of=/dev/mmcblk0 bs=1K seek=8 count=10

# drive layout:
#  179       96   30976000 mmcblk0
#  179       97    7808405 mmcblk0p1  # ended up being parted msdos 4194kB to 8G
#  179       98   11718750 mmcblk0p2  # 8G to 20G

jtag:
	# https://github.com/Icenowy/sunxi-jtag
	# http://linux-sunxi.org/JTAG # jtag over the mmc card connection
	# http://linux-sunxi.org/JTAG/sun4iconfig

parted-external-ssd:
	parted /dev/mmcblk0 mklabel msdos
	parted /dev/mmcblk0 mkpart primary ext4 1MiB 30GiB
	mkfs.ext4 /dev/mmcblk0p1
	mount /dev/mmcblk0p1 /mnt/test/

brom64:
	mmc dev 0
	mmc part
	fatwrite mmc 0 0 brom_a64.bin 0x10000
	aarch64-linux-gnu-objdump -D -b binary -marm brom_a64.bin