UART_SHIFT 35 arch/arm/include/debug/8250.S #define UART_SHIFT CONFIG_DEBUG_UART_8250_SHIFT UART_SHIFT 40 arch/arm/include/debug/brcmstb.S #define UART_SHIFT 2 UART_SHIFT 18 arch/arm/include/debug/tegra.S #define UART_SHIFT 2