Mathias Beaulieu-Duncan
91d86de629
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Two fixes in one: 1. SBC overlay upgrade path: the overlay installer was always writing to /boot/EFI, but on SBC layouts (no BOOT partition) the GRUB code mounts EFI at /boot. Config.txt and firmware ended up in a stale /boot/EFI/ subdirectory, invisible to the firmware. The installer now detects the SBC layout and writes to the correct location. 2. PCIe Gen 3: dtparam=pciex1_gen=3 works on CM5 (the DT overrides exist), so the custom pcie-gen3.dtbo overlay is unnecessary. Simplified to just use dtparam in config.txt. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
31 lines
943 B
Plaintext
31 lines
943 B
Plaintext
# See https://www.raspberrypi.com/documentation/computers/configuration.html
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# Reduce GPU memory to give more to CPU.
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gpu_mem=32
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# Enable maximum compatibility on both HDMI ports;
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# only the one closest to the power/USB-C port will work in practice.
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hdmi_safe:0=1
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hdmi_safe:1=1
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# Load U-Boot.
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kernel=u-boot.bin
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# Forces the kernel loading system to assume a 64-bit kernel.
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arm_64bit=1
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# Run as fast as firmware / board allows.
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arm_boost=1
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# Enable the primary/console UART (globally).
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enable_uart=1
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# Disable UART on Pi5 to avoid U-Boot compatibility issue.
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# The debug UART (ttyAMA10) is always active regardless of this setting.
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[pi5]
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enable_uart=0
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# Enable PCIe Gen 3 for NVMe (~800 MB/s vs ~400 MB/s Gen 2)
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dtparam=pciex1_gen=3
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[all]
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# Disable Bluetooth.
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dtoverlay=disable-bt
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# Disable Wireless Lan.
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dtoverlay=disable-wifi
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# CM5 Overclock — 2.6GHz stable on Compute Blade with heatsink
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arm_freq=2600
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over_voltage_delta=50000
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arm_boost=1
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