First swing at t2 support

install/config/hardware/fix-apple-t2.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+# 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"
+
+  echo "Installing T2 support packages..."
+  sudo pacman -S --noconfirm --needed \
+    linux-t2 \
+    linux-t2-headers \
+    apple-t2-audio-config \
+    apple-bcm-firmware \
+    t2fanrd \
+    tiny-dfr
+
+  echo "Configuring apple-bce module..."
+  echo "apple-bce" | sudo tee /etc/modules-load.d/t2.conf >/dev/null
+
+  echo "MODULES+=(apple-bce usbhid hid_apple hid_generic xhci_pci xhci_hcd)" | sudo tee /etc/mkinitcpio.conf.d/apple-t2.conf >/dev/null
+
+  # Configure Broadcom WiFi with disabled offloading features (fixes connectivity issues)
+  cat <<EOF | sudo tee /etc/modprobe.d/brcmfmac.conf >/dev/null
+# Fix for T2 MacBook WiFi connectivity issues
+options brcmfmac feature_disable=0x82000
+EOF
+
+  echo "Adding T2 kernel parameters to Limine"
+  sudo mkdir -p /etc/limine-entry-tool.d
+  cat <<EOF | sudo tee /etc/limine-entry-tool.d/t2-mac.conf >/dev/null
+# Generated by Omarchy installer for T2 Mac support
+KERNEL_CMDLINE[default]+="intel_iommu=on iommu=pt pcie_ports=compat"
+EOF
+
+  echo "Enabling T2 fan control daemon..."
+  sudo systemctl enable t2fanrd.service
+
+  echo "Enabling Touch Bar support..."
+  sudo systemctl enable tiny-dfr.service
+fi
+

install/omarchy-other.packages

@@ -43,3 +43,11 @@ webp-pixbuf-loader
 wget
 yay-debug
 zram-generator
+
+# T2 MacBook support packages
+apple-bcm-firmware
+apple-t2-audio-config
+linux-t2
+linux-t2-headers
+t2fanrd
+tiny-dfr

install/post-install/pacman.sh

@@ -1,3 +1,13 @@
 # Configure pacman
 sudo cp -f ~/.local/share/omarchy/default/pacman/pacman.conf /etc/pacman.conf
 sudo cp -f ~/.local/share/omarchy/default/pacman/mirrorlist /etc/pacman.d/mirrorlist
+
+if lspci -nn | grep -q "106b:180[12]"; then
+  echo "Adding T2 MacBook repository to pacman.conf..."
+  cat <<EOF | sudo tee -a /etc/pacman.conf >/dev/null
+
+[arch-mact2]
+Server = https://mirror.omarchy.org/\$repo/\$arch
+SigLevel = Never
+EOF
+fi