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1 | # |
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1 | # | |
2 | # Build and Setup U-Boot |
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2 | # Build and Setup U-Boot | |
3 | # |
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3 | # | |
4 |
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4 | |||
5 | # Load utility functions |
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5 | # Load utility functions | |
6 | . ./functions.sh |
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6 | . ./functions.sh | |
7 |
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7 | |||
8 | # Fetch and build U-Boot bootloader |
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8 | # Fetch and build U-Boot bootloader | |
9 | if [ "$ENABLE_UBOOT" = true ] ; then |
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9 | if [ "$ENABLE_UBOOT" = true ] ; then | |
10 | # Install c/c++ build environment inside the chroot |
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10 | # Install c/c++ build environment inside the chroot | |
11 | chroot_install_cc |
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11 | chroot_install_cc | |
12 |
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12 | |||
13 | # Copy existing U-Boot sources into chroot directory |
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13 | # Copy existing U-Boot sources into chroot directory | |
14 | if [ -n "$UBOOTSRC_DIR" ] && [ -d "$UBOOTSRC_DIR" ] ; then |
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14 | if [ -n "$UBOOTSRC_DIR" ] && [ -d "$UBOOTSRC_DIR" ] ; then | |
15 | # Copy local U-Boot sources |
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15 | # Copy local U-Boot sources | |
16 | cp -r "${UBOOTSRC_DIR}" "${R}/tmp" |
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16 | cp -r "${UBOOTSRC_DIR}" "${R}/tmp" | |
17 | else |
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17 | else | |
18 | # Create temporary directory for U-Boot sources |
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18 | # Create temporary directory for U-Boot sources | |
19 | temp_dir=$(as_nobody mktemp -d) |
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19 | temp_dir=$(as_nobody mktemp -d) | |
20 |
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20 | |||
21 | # Fetch U-Boot sources |
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21 | # Fetch U-Boot sources | |
22 | as_nobody git -C "${temp_dir}" clone "${UBOOT_URL}" |
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22 | as_nobody git -C "${temp_dir}" clone "${UBOOT_URL}" | |
23 |
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23 | |||
24 | # Copy downloaded U-Boot sources |
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24 | # Copy downloaded U-Boot sources | |
25 | mv "${temp_dir}/u-boot" "${R}/tmp/" |
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25 | mv "${temp_dir}/u-boot" "${R}/tmp/" | |
26 |
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26 | |||
27 | # Set permissions of the U-Boot sources |
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27 | # Set permissions of the U-Boot sources | |
28 | chown -R root:root "${R}/tmp/u-boot" |
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28 | chown -R root:root "${R}/tmp/u-boot" | |
29 |
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29 | |||
30 | # Remove temporary directory for U-Boot sources |
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30 | # Remove temporary directory for U-Boot sources | |
31 | rm -fr "${temp_dir}" |
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31 | rm -fr "${temp_dir}" | |
32 | fi |
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32 | fi | |
33 |
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33 | |||
34 | # Build and install U-Boot inside chroot |
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34 | # Build and install U-Boot inside chroot | |
35 | chroot_exec make -j"${KERNEL_THREADS}" -C /tmp/u-boot/ "${UBOOT_CONFIG}" all |
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35 | chroot_exec make -j"${KERNEL_THREADS}" -C /tmp/u-boot/ "${UBOOT_CONFIG}" all | |
36 |
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36 | |||
37 | # Copy compiled bootloader binary and set config.txt to load it |
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37 | # Copy compiled bootloader binary and set config.txt to load it | |
38 | install_exec "${R}/tmp/u-boot/tools/mkimage" "${R}/usr/sbin/mkimage" |
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38 | install_exec "${R}/tmp/u-boot/tools/mkimage" "${R}/usr/sbin/mkimage" | |
39 | install_readonly "${R}/tmp/u-boot/u-boot.bin" "${BOOT_DIR}/u-boot.bin" |
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39 | install_readonly "${R}/tmp/u-boot/u-boot.bin" "${BOOT_DIR}/u-boot.bin" | |
40 | printf "\n# boot u-boot kernel\nkernel=u-boot.bin\n" >> "${BOOT_DIR}/config.txt" |
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40 | printf "\n# boot u-boot kernel\nkernel=u-boot.bin\n" >> "${BOOT_DIR}/config.txt" | |
41 |
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41 | |||
42 | # Install and setup U-Boot command file |
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42 | # Install and setup U-Boot command file | |
43 | install_readonly files/boot/uboot.mkimage "${BOOT_DIR}/uboot.mkimage" |
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43 | install_readonly files/boot/uboot.mkimage "${BOOT_DIR}/uboot.mkimage" | |
44 | printf "# Set the kernel boot command line\nsetenv bootargs \"earlyprintk ${CMDLINE}\"\n\n$(cat "${BOOT_DIR}"/uboot.mkimage)" > "${BOOT_DIR}/uboot.mkimage" |
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44 | printf "# Set the kernel boot command line\nsetenv bootargs \"earlyprintk ${CMDLINE}\"\n\n$(cat "${BOOT_DIR}"/uboot.mkimage)" > "${BOOT_DIR}/uboot.mkimage" | |
45 |
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45 | |||
46 | if [ "$ENABLE_INITRAMFS" = true ] ; then |
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46 | if [ "$ENABLE_INITRAMFS" = true ] ; then | |
47 | # Convert generated initramfs for U-Boot using mkimage |
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47 | # Convert generated initramfs for U-Boot using mkimage | |
48 | chroot_exec /usr/sbin/mkimage -A "${KERNEL_ARCH}" -T ramdisk -C none -n "initramfs-${KERNEL_VERSION}" -d "/boot/firmware/initramfs-${KERNEL_VERSION}" "/boot/firmware/initramfs-${KERNEL_VERSION}.uboot" |
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48 | chroot_exec /usr/sbin/mkimage -A "${KERNEL_ARCH}" -T ramdisk -C none -n "initramfs-${KERNEL_VERSION}" -d "/boot/firmware/initramfs-${KERNEL_VERSION}" "/boot/firmware/initramfs-${KERNEL_VERSION}.uboot" | |
49 |
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49 | |||
50 | # Remove original initramfs file |
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50 | # Remove original initramfs file | |
51 | rm -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" |
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51 | rm -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" | |
52 |
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52 | |||
53 | # Configure U-Boot to load generated initramfs |
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53 | # Configure U-Boot to load generated initramfs | |
54 | printf "# Set initramfs file\nsetenv initramfs initramfs-${KERNEL_VERSION}.uboot\n\n$(cat "${BOOT_DIR}"/uboot.mkimage)" > "${BOOT_DIR}/uboot.mkimage" |
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54 | printf "# Set initramfs file\nsetenv initramfs initramfs-${KERNEL_VERSION}.uboot\n\n$(cat "${BOOT_DIR}"/uboot.mkimage)" > "${BOOT_DIR}/uboot.mkimage" | |
55 | printf "\nbootz \${kernel_addr_r} \${ramdisk_addr_r} \${fdt_addr_r}" >> "${BOOT_DIR}/uboot.mkimage" |
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55 | printf "\nbootz \${kernel_addr_r} \${ramdisk_addr_r} \${fdt_addr_r}" >> "${BOOT_DIR}/uboot.mkimage" | |
56 | else # ENABLE_INITRAMFS=false |
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56 | else # ENABLE_INITRAMFS=false | |
57 | # Remove initramfs from U-Boot mkfile |
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57 | # Remove initramfs from U-Boot mkfile | |
58 | sed -i '/.*initramfs.*/d' "${BOOT_DIR}/uboot.mkimage" |
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58 | sed -i '/.*initramfs.*/d' "${BOOT_DIR}/uboot.mkimage" | |
59 |
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59 | |||
60 | if [ "$BUILD_KERNEL" = false ] ; then |
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60 | if [ "$BUILD_KERNEL" = false ] ; then | |
61 | # Remove dtbfile from U-Boot mkfile |
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61 | # Remove dtbfile from U-Boot mkfile | |
62 | sed -i '/.*dtbfile.*/d' "${BOOT_DIR}/uboot.mkimage" |
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62 | sed -i '/.*dtbfile.*/d' "${BOOT_DIR}/uboot.mkimage" | |
63 | printf "\nbootz \${kernel_addr_r}" >> "${BOOT_DIR}/uboot.mkimage" |
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63 | printf "\nbootz \${kernel_addr_r}" >> "${BOOT_DIR}/uboot.mkimage" | |
64 | else |
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64 | else | |
65 | printf "\nbootz \${kernel_addr_r} - \${fdt_addr_r}" >> "${BOOT_DIR}/uboot.mkimage" |
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65 | printf "\nbootz \${kernel_addr_r} - \${fdt_addr_r}" >> "${BOOT_DIR}/uboot.mkimage" | |
66 | fi |
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66 | fi | |
67 | fi |
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67 | fi | |
68 |
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68 | |||
69 | if [ "$SET_ARCH" = 64 ] ; then |
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69 | if [ "$SET_ARCH" = 64 ] ; then | |
70 | echo "Setting up config.txt to boot 64bit uboot" |
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70 | echo "Setting up config.txt to boot 64bit uboot" | |
71 | { |
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71 | { | |
72 | printf "\n# 64bit-mode" |
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72 | printf "\n# 64bit-mode" | |
73 | printf "\n# arm_control=0x200 is deprecated https://www.raspberrypi.org/documentation/configuration/config-txt/misc.md" |
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73 | printf "\n# arm_control=0x200 is deprecated https://www.raspberrypi.org/documentation/configuration/config-txt/misc.md" | |
74 | printf "\narm_64bit=1" |
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74 | printf "\narm_64bit=1" | |
75 | } >> "${BOOT_DIR}/config.txt" |
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75 | } >> "${BOOT_DIR}/config.txt" | |
76 |
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76 | |||
77 | #in 64bit uboot booti is used instead of bootz [like in KERNEL_BIN_IMAGE=zImage (armv7)|| Image(armv8)] |
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77 | #in 64bit uboot booti is used instead of bootz [like in KERNEL_BIN_IMAGE=zImage (armv7)|| Image(armv8)] | |
78 | sed -i "s|bootz|booti|g" "${BOOT_DIR}/uboot.mkimage" |
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78 | sed -i "s|bootz|booti|g" "${BOOT_DIR}/uboot.mkimage" | |
79 | fi |
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79 | fi | |
80 |
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80 | |||
81 | # instead of sd, boot from usb device |
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81 | # instead of sd, boot from usb device | |
82 |
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82 | if [ "$ENABLE_USBBOOT" = true ] ; then | |
83 |
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83 | sed -i "s|mmc|usb|g" "${BOOT_DIR}/uboot.mkimage" | |
84 |
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84 | fi | |
85 |
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85 | ||
86 | # Set mkfile to use the correct dtb file |
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86 | # Set mkfile to use the correct dtb file | |
87 | sed -i "s|bcm2709-rpi-2-b.dtb|${DTB_FILE}|" "${BOOT_DIR}/uboot.mkimage" |
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87 | sed -i "s|bcm2709-rpi-2-b.dtb|${DTB_FILE}|" "${BOOT_DIR}/uboot.mkimage" | |
88 |
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88 | |||
89 | # Set mkfile to use the correct mach id |
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89 | # Set mkfile to use the correct mach id | |
90 | if [ "$ENABLE_QEMU" = true ] ; then |
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90 | if [ "$ENABLE_QEMU" = true ] ; then | |
91 | sed -i "s/^\(setenv machid \).*/\10x000008e0/" "${BOOT_DIR}/uboot.mkimage" |
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91 | sed -i "s/^\(setenv machid \).*/\10x000008e0/" "${BOOT_DIR}/uboot.mkimage" | |
92 | fi |
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92 | fi | |
93 |
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93 | |||
94 | # Set mkfile to use kernel image |
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94 | # Set mkfile to use kernel image | |
95 | sed -i "s|kernel7.img|${KERNEL_IMAGE}|" "${BOOT_DIR}/uboot.mkimage" |
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95 | sed -i "s|kernel7.img|${KERNEL_IMAGE}|" "${BOOT_DIR}/uboot.mkimage" | |
96 |
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96 | |||
97 | # Remove all leading blank lines |
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97 | # Remove all leading blank lines | |
98 | sed -i "/./,\$!d" "${BOOT_DIR}/uboot.mkimage" |
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98 | sed -i "/./,\$!d" "${BOOT_DIR}/uboot.mkimage" | |
99 |
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99 | |||
100 | # Generate U-Boot bootloader image |
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100 | # Generate U-Boot bootloader image | |
101 | chroot_exec /usr/sbin/mkimage -A "${KERNEL_ARCH}" -O linux -T script -C none -a 0x00000000 -e 0x00000000 -n "RPi${RPI_MODEL}" -d /boot/firmware/uboot.mkimage /boot/firmware/boot.scr |
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101 | chroot_exec /usr/sbin/mkimage -A "${KERNEL_ARCH}" -O linux -T script -C none -a 0x00000000 -e 0x00000000 -n "RPi${RPI_MODEL}" -d /boot/firmware/uboot.mkimage /boot/firmware/boot.scr | |
102 |
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102 | |||
103 | # Remove U-Boot sources |
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103 | # Remove U-Boot sources | |
104 | rm -fr "${R}/tmp/u-boot" |
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104 | rm -fr "${R}/tmp/u-boot" | |
105 | fi |
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105 | fi |
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