[linux-block.git] / include / asm-m68k / serial.h

/*
 * include/asm-m68k/serial.h
 *
 * currently this seems useful only for a Q40,
 * it's an almost exact copy of ../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_DETECT_IRQ
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
#else
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
#define STD_COM4_FLAGS ASYNC_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
1da177e4 LT	1	/*
	2	* include/asm-m68k/serial.h
	3	*
	4	* currently this seems useful only for a Q40,
	5	* it's an almost exact copy of ../asm-alpha/serial.h
	6	*
	7	*/
	8
1da177e4 LT	9
	10	/*
	11	* This assumes you have a 1.8432 MHz clock for your UART.
	12	*
	13	* It'd be nice if someone built a serial card with a 24.576 MHz
	14	* clock, since the 16550A is capable of handling a top speed of 1.5
	15	* megabits/second; but this requires the faster clock.
	16	*/
	17	#define BASE_BAUD ( 1843200 / 16 )
	18
	19	/* Standard COM flags (except for COM4, because of the 8514 problem) */
	20	#ifdef CONFIG_SERIAL_DETECT_IRQ
	21	#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF \| ASYNC_SKIP_TEST \| ASYNC_AUTO_IRQ)
	22	#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF \| ASYNC_AUTO_IRQ)
	23	#else
	24	#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF \| ASYNC_SKIP_TEST)
	25	#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
	26	#endif
	27
026d02a2	28	#define SERIAL_PORT_DFNS \
1da177e4 LT	29	/* UART CLK PORT IRQ FLAGS */ \
	30	{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
	31	{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
	32	{ 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
	33	{ 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */