/* SPDX-License-Identifier: GPL-2.0 *//* * include/asm-alpha/serial.h */  /* * This assumes you have a 1.8432 MHz clock for your UART. * * It'd be nice if someone built a serial card with a 24.576 MHz * clock, since the 16550A is capable of handling a top speed of 1.5 * megabits/second; but this requires the faster clock. */#define BASE_BAUD ( 1843200 / 16 ) /* Standard COM flags (except for COM4, because of the 8514 problem) */#ifdef CONFIG_SERIAL_8250_DETECT_IRQ#define STD_COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ)#define STD_COM4_FLAGS (UPF_BOOT_AUTOCONF | UPF_AUTO_IRQ)#else#define STD_COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST)#define STD_COM4_FLAGS UPF_BOOT_AUTOCONF#endif #define SERIAL_PORT_DFNS			\	/* UART CLK   PORT IRQ     FLAGS        */			\	{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },	/* ttyS0 */	\	{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },	/* ttyS1 */	\	{ 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },	/* ttyS2 */	\	{ 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },	/* ttyS3 */