[mirror_ubuntu-bionic-kernel.git] / arch / alpha / include / asm / serial.h

/* 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 */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	/*
	3	* include/asm-alpha/serial.h
	4	*/
	5
1da177e4 LT	6
	7	/*
	8	* This assumes you have a 1.8432 MHz clock for your UART.
	9	*
	10	* It'd be nice if someone built a serial card with a 24.576 MHz
	11	* clock, since the 16550A is capable of handling a top speed of 1.5
	12	* megabits/second; but this requires the faster clock.
	13	*/
	14	#define BASE_BAUD ( 1843200 / 16 )
	15
	16	/* Standard COM flags (except for COM4, because of the 8514 problem) */
507224aa	17	#ifdef CONFIG_SERIAL_8250_DETECT_IRQ
35373abb PH	18	#define STD_COM_FLAGS (UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST \| UPF_AUTO_IRQ)
35373abb PH	19	#define STD_COM4_FLAGS (UPF_BOOT_AUTOCONF \| UPF_AUTO_IRQ)
1da177e4	20	#else
35373abb PH	21	#define STD_COM_FLAGS (UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST)
35373abb PH	22	#define STD_COM4_FLAGS UPF_BOOT_AUTOCONF
1da177e4 LT	23	#endif
1da177e4 LT	24
026d02a2	25	#define SERIAL_PORT_DFNS \
1da177e4 LT	26	/* UART CLK PORT IRQ FLAGS */ \
	27	{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
	28	{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
	29	{ 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
	30	{ 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */