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Fix code blocks in "Boot Raspberry Pi Over TFTP" post

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Eryn Wells 2022-10-01 09:49:27 -07:00
parent 6af32976c6
commit 9ebc58f50a
1 changed files with 11 additions and 11 deletions
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content/blog/2020/10/boot-raspberry-pi-over-tftp.md
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@ -11,18 +11,18 @@ according to the instructions in the Raspberry Pi documentation. That page is
also on [GitHub][eeprom-gh] which might be a more stable location. On Raspbian also on [GitHub][eeprom-gh] which might be a more stable location. On Raspbian
on the RPi: on the RPi:
```bash {{< figures/code lang=sh >}}
fw=/lib/firmware/raspberrypi/bootloader/stable/pieeprom-2020-09-03.bin fw=/lib/firmware/raspberrypi/bootloader/stable/pieeprom-2020-09-03.bin
rpi-eeprom-config $fw > ~/bootconf.txt rpi-eeprom-config $fw > ~/bootconf.txt
vi ~/bootconf.txt vi ~/bootconf.txt
rpi-eeprom-config --out ~/pieeprom-new.bin --config ~/bootconf.txt $fw rpi-eeprom-config --out ~/pieeprom-new.bin --config ~/bootconf.txt $fw
sudo rpi-eeprom-update -d -f ~/pieeprom-new.bin sudo rpi-eeprom-update -d -f ~/pieeprom-new.bin
sudo reboot sudo reboot
``` {{< /figures/code >}}
My updated bootconf.txt is: My updated bootconf.txt is:
```conf {{< figures/code lang=cfg >}}
[all] [all]
BOOT_UART=1 BOOT_UART=1
WAKE_ON_GPIO=0 WAKE_ON_GPIO=0
@ -33,7 +33,7 @@ TFTP_FILE_TIMEOUT=30000
ENABLE_SELF_UPDATE=1 ENABLE_SELF_UPDATE=1
DISABLE_HDMI=0 DISABLE_HDMI=0
BOOT_ORDER=0xf412 BOOT_ORDER=0xf412
``` {{< /figures/code >}}
I enabled UART debugging, and set the boot order to be: network `0x2`, SD card I enabled UART debugging, and set the boot order to be: network `0x2`, SD card
`0x1`, USB mass storage `0x4`, and finally reboot `0xf`. These steps need to be `0x1`, USB mass storage `0x4`, and finally reboot `0xf`. These steps need to be
@ -41,11 +41,11 @@ repeated if the bootloader is updated via apt.
I [enabled the TFTP server][mac-tftp] on my Mac: I [enabled the TFTP server][mac-tftp] on my Mac:
```bash {{< figures/code lang=sh >}}
sudo launchctl load -F /System/Library/LaunchDaemons/tftp.plist sudo launchctl load -F /System/Library/LaunchDaemons/tftp.plist
sudo launchctl enable System/com.apple.tftpd sudo launchctl enable System/com.apple.tftpd
sudo launchctl start com.apple.tftpd sudo launchctl start com.apple.tftpd
``` {{< /figures/code >}}
I’m not sure if the `enable` command is actually necessary. This doesn't I’m not sure if the `enable` command is actually necessary. This doesn't
actually start the `tftpd` daemon. Instead, macOS starts the daemon on demand actually start the `tftpd` daemon. Instead, macOS starts the daemon on demand
@ -55,11 +55,11 @@ The tftp server looks for files to serve out of **/private/tftpboot**, and those
things need to be world `rwx`, i.e. `777`. By default (this is configurable) the things need to be world `rwx`, i.e. `777`. By default (this is configurable) the
RPi queries for a directory named by its serial number. RPi queries for a directory named by its serial number.
```bash {{< figures/code lang=sh >}}
mkdir /private/tftpboot/$raspberry_pi_serial mkdir /private/tftpboot/$raspberry_pi_serial
chmod 777 /private/tftpboot chmod 777 /private/tftpboot
chmod -R 777 /private/tftpboot/* chmod -R 777 /private/tftpboot/*
``` {{< /figures/code >}}
RPi looks for files of various names in that directory, one in particular by the RPi looks for files of various names in that directory, one in particular by the
name of **start.elf**. name of **start.elf**.
@ -69,13 +69,13 @@ command line) to pass a `tftp-server` parameter in the DHCP payload. This step
may be optional because you can also set `TFTP_IP` in the **bootconf.txt** above may be optional because you can also set `TFTP_IP` in the **bootconf.txt** above
to specify the IP directly. On my router: to specify the IP directly. On my router:
```bash {{< figures/code lang=sh >}}
configure configure
set service dhcp-server shared-network-name LAN subnet $lan_cidr_subnet tftp-server-name $ip_of_mac set service dhcp-server shared-network-name LAN subnet $lan_cidr_subnet tftp-server-name $ip_of_mac
commit commit
save save
exit exit
``` {{< /figures/code >}}
I also gave my Mac a static IP, and renewed the DHCP lease so it took the new IP I also gave my Mac a static IP, and renewed the DHCP lease so it took the new IP
to make the whole process a little more smooth. Now, it appears the RPi will to make the whole process a little more smooth. Now, it appears the RPi will