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howtos:hardware:arm:raspberrypi3 [2017/12/26 19:48 (UTC)]
exaga updated notes for SARPi URL
howtos:hardware:arm:raspberrypi3 [2022/06/25 13:46 (UTC)] (current)
mozes
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 ===== Slackware ARM on the Raspberry Pi 3 ===== ===== Slackware ARM on the Raspberry Pi 3 =====
  
-The Raspberry Pi 3 has a Broadcom BCM2837 SoC incorporating a Quad-core ARMv8 Cortex-A53 [64 bit] CPU @ 1.2GHz and VideoCore IV GPU @ 400MHz, and comes with 1GB LPDDR2 SDRAM @ 900MHz. This revised and upgraded ARM single board computer succeeds the [[howtos:hardware:arm:raspberrypi2|Raspberry Pi (2)]], and is considerably quicker and a lot more powerful. Wi-Fi and Bluetooth are now included on-board. Still no RTC though. Think of the RPi3 as a renovation, and not an innovation. Slackware ARM, as you would expect, runs faultlessly on this device, with a very significant increase in speed. Compile times are much shorter compared to the RPi2, for example.+The Raspberry Pi 3 has a Broadcom BCM2837 SoC incorporating a Quad-core ARMv8 Cortex-A53 [64 bit] CPU @ 1.2GHz and VideoCore IV GPU @ 400MHz, and comes with 1GB LPDDR2 SDRAM @ 900MHz. This revised and upgraded ARM single board computer succeeds the [[howtos:hardware:arm:raspberrypi2|Raspberry Pi (2)]], and is considerably quicker and a lot more powerful. Wi-Fi and Bluetooth are now included on-board. 
  
-The Raspberry Pi 3 is supported outside of the official Slackware ARM tree by the Slackware community. 
  
-==== Slackware releases 14.2, -current ====+==== Slackware 64bit ARM/AArch64 ====
  
-Slackware ARM -current or Slackware ARM 14.2 can be installed on the Raspberry Pi 3.+Slackware for the 64bit ARM/AArch64 platform (named 'Slackware AArch64' or 'SA64' for short) has support for the Raspberry Pi 3 directly integrated.
  
-Follow the link(s) in the table below. These are maintained by a separate author as part of the Slackware-on-Raspberry Pi community.+[[slackwarearm:inst_sa64_bcm2711_rpi4|Installation documentation.]]
  
-^ Site ^ Slackware versions ^ Using official Slackware packages ^ Installation methods ^ Notes ^ 
-| [[http://sarpi.co.uk/|SARPi Project]] | 14.2,-current | Yes | Slackware installer | An end-to-end HOW TO tutorial taking you through the installation and setup process. | 
- 
-As long you use the most recent raspbian image and firmware the [[howtos:hardware:arm:raspberrypi|Raspberry Pi 1 manual install method]] also works for the Pi 2 and Pi 3. 
- 
-==== Manual install method without a Raspbian image ==== 
- 
-This method is for installing Slackware ARM 14.2 on a Raspberry Pi 3 Model B without a Raspbian image. 
-However, it should work for other Slackware ARM and Raspberry Pi versions. 
- 
-=== 1. Partition and format the SD Card === 
- 
-<code> 
-$ sudo fdisk -l /dev/mmcblk0 
- 
-Disk /dev/mmcblk0: 31.9 GB, 31914983424 bytes 
-4 heads, 16 sectors/track, 973968 cylinders, total 62333952 sectors 
-Units = sectors of 1 * 512 = 512 bytes 
-Sector size (logical/physical): 512 bytes / 512 bytes 
-I/O size (minimum/optimal): 512 bytes / 512 bytes 
-Disk identifier: 0x00000000 
- 
-        Device Boot      Start         End      Blocks   Id  System 
-/dev/mmcblk0p1            2048       67583       32768    b  W95 FAT32 
-/dev/mmcblk0p2           67584    62333951    31133184   83  Linux 
-$ sudo mkfs.vfat /dev/mmcblk0p1 
-$ sudo mkfs.ext4 /dev/mmcblk0p2 
-</code> 
- 
-Remarks: 
-  * I use a 32GB SD Card 
-  * I choose 32MB for the size of the first partition 
-  * I let the empty space left for the second partition 
- 
-=== 2. Put the Raspberry Pi firmware in the SD Card === 
- 
-<code> 
-$ git clone https://github.com/raspberrypi/firmware.git 
-$ sudo mount /dev/mmcblk0p1 ~/mnt 
-$ sudo cp -r firmware/boot/* ~/mnt 
-$ sudo umount ~/mnt 
-$ sudo mount /dev/mmcblk0p2 ~/mnt 
-$ sudo mkdir -p ~/mnt/lib/modules 
-$ sudo cp -r firmware/modules/* ~/mnt/lib/modules 
-$ sudo umount ~/mnt 
-</code> 
- 
-=== 3. Put the Slackware ARM mini root file system in the SD Card === 
- 
-<code> 
-$ wget -c ftp://ftp.arm.slackware.com/slackwarearm/slackwarearm-devtools/minirootfs/roots/slack-14.2-miniroot_01Jul16.tar.xz 
-$ sudo mount /dev/mmcblk0p2 ~/mnt 
-$ sudo tar -C ~/mnt -xf slack-14.2-miniroot_01Jul16.tar.xz 
-$ echo "/dev/mmcblk0p1 /boot vfat defaults 0 0" | sudo tee ~/mnt/etc/fstab 
-$ echo "/dev/mmcblk0p2 /     ext4 defaults 0 0" | sudo tee -a ~/mnt/etc/fstab 
-$ echo "proc           /proc proc defaults 0 0" | sudo tee -a ~/mnt/etc/fstab 
-$ PASSWD=$(openssl passwd -1 -salt cetkq/enZx6/c2 password) 
-$ sudo sed -i "s|\(root:\).*\(:16983:0:::::\)|\1${PASSWD}\2|" ~/mnt/etc/shadow 
-$ sudo sed -i 's|USE_DHCP\[1\]=""|USE_DHCP\[1\]="yes"|' ~/mnt/etc/rc.d/rc.inet1.conf 
-$ echo "PermitRootLogin yes" | sudo tee -a ~/mnt/etc/ssh/sshd_config 
-$ sudo umount ~/mnt 
-</code> 
- 
-Remarks: 
-  * I set "password" as password for the "root" user 
-  * I set DHCP on the "eth1" network interface 
-  * I allow the "root" user to connect through SSH 
- 
-=== 4. Insert the SD Card in the Raspberry Pi === 
- 
-Your SD Card is ready so you can insert it in the Raspberry Pi and boot. 
- 
-You can connect remotely to your Raspberry Pi as "root" through SSH. 
-<code> 
-$ ssh root@raspberrypi 
-</code> 
- 
-As soon as you are logged, you might want to install additional Slackware ARM packages: 
-<code> 
-$ wget --mirror ftp://ftp.arm.slackware.com/slackwarearm/slackwarearm-14.2 
-$ upgradepkg --install-new ftp.arm.slackware.com/slackwarearm/slackwarearm-14.2/slackware/*/*.txz 
-$ removepkg ftp.arm.slackware.com/slackwarearm/slackwarearm-14.2/slackware/*/kernel_*.txz 
-</code> 
- 
-Remarks: 
-  * I consider that the Raspberry Pi hostname is "raspberrypi" 
-  * I recommend to add a normal user and use this user instead of "root" 
-  * I recommend to change the "root" user password 
-  * I recommend to disallow the "root" user to connect through SSH 
-  * I recommend to [[https://www.raspberrypi.org/documentation/linux/kernel/building.md|build your own Linux kernel]] packages because the kernel you are running does not match with the installed Slackware ARM packages 
- 
-=== 5. Tips and tricks === 
- 
-== 5.1. Processor == 
- 
-The Raspberry Pi processor can reach 1.2GHz. 
-However, by default, it is stuck to 600MHz even if it is used at 100%. 
-You can check the current frequency of the processor by typing: 
-<code>$ cpufreq-info</code> 
- 
-In order to reach 1.2GHz when the processor is used at 100% (i.e., use the frequency scaling), you need to change the default governors. 
-Add the following line to the end of the ''/etc/rc.d/rc.local'' file: 
-<code>echo ondemand | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor</code> 
-Now, the processor is correctly set. 
- 
-== 5.2. Time == 
- 
-Unfortunately, the Raspberry Pi does not provide a Real-Time Clock (RTC). 
-That is why there is no battery included with the board. 
-It means that each time you shutdown the Raspberry Pi, the time is reset! 
-However, if you have internet access, you can update the time during the Slackware ARM boot. 
-Add the following line to the end of the ''/etc/rc.d/rc.local'' file: 
-<code>ntpdate pool.ntp.org</code> 
-Now, the time is correctly set. 
- 
-== 5.3. Video == 
- 
-Unfortunately, the Raspberry Pi is not compatible with OpenGL (it is compatible OpenGL ES that is a subset of OpenGL). 
-It means that, by default, each application requiring OpenGL will be slow. 
-However, you can reach 60 FPS with OpenGL applications on the Raspberry Pi by using the correct driver. 
- 
-Firstly, you need to build Mesa (>= 17.0.4) with the VC4 DRI driver: 
-<code> 
-$ CFLAGS="-O2 -march=armv8-a -mtune=cortex-a53 -mfloat-abi=softfp -mfpu=neon-vfpv4" \ 
- CXXFLAGS="-O2 -march=armv8-a -mtune=cortex-a53 -mfloat-abi=softfp -mfpu=neon-vfpv4" \ 
- ./configure \ 
- --prefix=/usr \ 
- --sysconfdir=/etc \ 
- --with-dri-driverdir=/usr/lib/xorg/modules/dri \ 
- --with-egl-platforms=x11,drm \ 
- --with-gallium-drivers=vc4 
-$ make -j4 
-$ make install DESTDIR=/where/you/want/to/install 
-</code> 
-Then build your own Slackware ARM Mesa package and install it. 
- 
-Secondly, add the following line to the end of the ''/boot/config.txt'' file: 
-<code>dtoverlay=vc4-fkms-v3d</code> 
-Then reboot the Raspberry Pi. 
- 
-You can check that you are able to get 60 FPS with OpenGL applications on the Raspberry Pi by typing the following command in an X terminal: 
-<code>$ glxgears</code> 
- 
-Now, the video is correctly set. 
 ===== Sources ===== ===== Sources =====
  
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