"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "board/raspberrypi/readme.txt" between
buildroot-2019.05.1.tar.bz2 and buildroot-2019.08-rc1.tar.bz2

About: Buildroot is a set of Makefiles and patches that makes it easy to generate a complete embedded Linux system. Release candidate.

readme.txt  (buildroot-2019.05.1.tar.bz2):readme.txt  (buildroot-2019.08-rc1.tar.bz2)
Raspberry Pi Raspberry Pi
Intro Intro
===== =====
These instructions apply to all models of the Raspberry Pi: These instructions apply to all models of the Raspberry Pi:
- the original models A and B, - the original models A and B,
- the "enhanced" models A+ and B+, - the "enhanced" models A+ and B+,
- the model B2 (aka Raspberry Pi 2) - the model B2 (aka Raspberry Pi 2)
- the model B3 (aka Raspberry Pi 3). - the model B3 (aka Raspberry Pi 3).
- the model B4 (aka Raspberry Pi 4).
How to build it How to build it
=============== ===============
Configure Buildroot Configure Buildroot
------------------- -------------------
There are two RaspberryPi defconfig files in Buildroot, one for each There are two RaspberryPi defconfig files in Buildroot, one for each
major variant, which you should base your work on: major variant, which you should base your work on:
skipping to change at line 37 skipping to change at line 38
$ make raspberrypi0_defconfig $ make raspberrypi0_defconfig
For model 2 B: For model 2 B:
$ make raspberrypi2_defconfig $ make raspberrypi2_defconfig
For model 3 B and B+: For model 3 B and B+:
$ make raspberrypi3_defconfig $ make raspberrypi3_defconfig
For model 4 B:
$ make raspberrypi4_defconfig
Build the rootfs Build the rootfs
---------------- ----------------
Note: you will need to have access to the network, since Buildroot will Note: you will need to have access to the network, since Buildroot will
download the packages' sources. download the packages' sources.
You may now build your rootfs with: You may now build your rootfs with:
$ make $ make
skipping to change at line 60 skipping to change at line 65
------------------- -------------------
After building, you should obtain this tree: After building, you should obtain this tree:
output/images/ output/images/
+-- bcm2708-rpi-b.dtb [1] +-- bcm2708-rpi-b.dtb [1]
+-- bcm2708-rpi-b-plus.dtb [1] +-- bcm2708-rpi-b-plus.dtb [1]
+-- bcm2709-rpi-2-b.dtb [1] +-- bcm2709-rpi-2-b.dtb [1]
+-- bcm2710-rpi-3-b.dtb [1] +-- bcm2710-rpi-3-b.dtb [1]
+-- bcm2710-rpi-3-b-plus.dtb [1] +-- bcm2710-rpi-3-b-plus.dtb [1]
+-- bcm2711-rpi-4-b.dtb [1]
+-- boot.vfat +-- boot.vfat
+-- rootfs.ext4 +-- rootfs.ext4
+-- rpi-firmware/ +-- rpi-firmware/
| +-- bootcode.bin | +-- bootcode.bin
| +-- cmdline.txt | +-- cmdline.txt
| +-- config.txt | +-- config.txt
| +-- fixup.dat | +-- fixup.dat
| +-- start.elf | +-- start.elf
| `-- overlays/ [2] | `-- overlays/ [2]
+-- sdcard.img +-- sdcard.img
`-- zImage `-- zImage
[1] Not all of them will be present, depending on the RaspberryPi [1] Not all of them will be present, depending on the RaspberryPi
model you are using. model you are using.
[2] Only for the Raspberry Pi 3 Model (overlay pi3-miniuart-bt is needed [2] Only for the Raspberry Pi 3/4 Models (overlay pi3-miniuart-bt is needed
to enable the RPi3 serial console otherwise occupied by the bluetooth to enable the RPi3 serial console otherwise occupied by the bluetooth
chip). Alternative would be to disable the serial console in cmdline.txt chip). Alternative would be to disable the serial console in cmdline.txt
and /etc/inittab. and /etc/inittab.
How to write the SD card How to write the SD card
======================== ========================
Once the build process is finished you will have an image called "sdcard.img" Once the build process is finished you will have an image called "sdcard.img"
in the output/images/ directory. in the output/images/ directory.
 End of changes. 4 change blocks. 
1 lines changed or deleted 7 lines changed or added

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