initial commit

board/raspberrypi3_swupdate/config.txt.old

@@ -0,0 +1,23 @@
+# Raspberry Pi 3 configuration for UART debugging
+
+# Enable 64-bit mode
+arm_64bit=1
+
+# UART configuration - Comprehensive settings
+enable_uart=1
+core_freq=250
+init_uart_clock=48000000
+init_uart_baud=115200
+uart_2ndstage=1
+#dtparam=uart0=on
+
+# Disable HDMI to reduce noise
+hdmi_ignore_hotplug=1
+hdmi_blanking=2
+disable_splash=1
+
+# Use zImage as the kernel
+kernel=zImage
+
+# For better performance (seems to be totally nececcarry)
+gpu_mem=128