1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #include <linux/serial_reg.h> 3 4 #undef UART_TX 5 #undef UART_LSR 6 #undef UART_MSR 7 8 #define UART_TX 1 9 #define UART_LSR 7 10 #define UART_MSR 8 11 12 #include <debug/8250.S>