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omarchycn/install/hardware/apple/fix-t2.sh
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2026-07-28 21:07:50 -04:00

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# Detect T2 MacBook models using PCI IDs
# Vendor: 106b (Apple), Device IDs: 1801 or 1802 (T2 Security Chip)
if lspci -nn | grep -q "106b:180[12]"; then
echo "Detected MacBook with T2 chip. Installing support items..."
omarchy-pkg-add \
linux-t2 \
linux-t2-headers \
apple-t2-audio-config \
apple-bcm-firmware \
t2fanrd \
tiny-dfr
# Add user to video group (required for tiny-dfr to access /dev/dri devices)
usermod -aG video "$OMARCHY_INSTALL_USER"
# Enable T2 services
systemctl enable t2fanrd.service
systemctl enable tiny-dfr.service
mkdir -p /etc/modules-load.d
{
echo "t2bce_vhci"
echo "hci_bcm4377"
} > /etc/modules-load.d/t2.conf
# linux-t2 7.1.4 replaced the apple-bce driver with t2bce; t2bce_vhci is the
# virtual USB host controller the internal keyboard hangs off, and mkinitcpio
# pulls t2bce_core/t2bce_dma in via module dependencies.
mkdir -p /etc/mkinitcpio.conf.d
echo "MODULES+=(t2bce_vhci usbhid hid_apple hid_generic xhci_pci xhci_hcd)" > \
/etc/mkinitcpio.conf.d/apple-t2.conf
mkdir -p /etc/modprobe.d
cat > /etc/modprobe.d/brcmfmac.conf <<'EOF'
# Fix for T2 MacBook WiFi connectivity issues
options brcmfmac feature_disable=0x82000
EOF
mkdir -p /etc/limine-entry-tool.d
cat > /etc/limine-entry-tool.d/t2-mac.conf <<'EOF'
# Generated by Omarchy installer for T2 Mac support
KERNEL_CMDLINE[default]+=" intel_iommu=on iommu=pt pcie_ports=compat"
EOF
cat > /etc/t2fand.conf <<'EOF'
[Fan1]
low_temp=55
high_temp=75
speed_curve=linear
always_full_speed=false
EOF
fi