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
9#include <linux/config.h>
10
11/*
12 * This assumes you have a 1.8432 MHz clock for your UART.
13 *
14 * It'd be nice if someone built a serial card with a 24.576 MHz
15 * clock, since the 16550A is capable of handling a top speed of 1.5
16 * megabits/second; but this requires the faster clock.
17 */
18#define BASE_BAUD ( 1843200 / 16 )
19
20/* Standard COM flags (except for COM4, because of the 8514 problem) */
21#ifdef CONFIG_SERIAL_DETECT_IRQ
22#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
23#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
24#else
25#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
26#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
27#endif
28
29#ifdef CONFIG_SERIAL_MANY_PORTS
30#define FOURPORT_FLAGS ASYNC_FOURPORT
31#define ACCENT_FLAGS 0
32#define BOCA_FLAGS 0
33#define RS_TABLE_SIZE  64
34#else
35#define RS_TABLE_SIZE  4
36#endif
37
38#define STD_SERIAL_PORT_DEFNS			\
39	/* UART CLK   PORT IRQ     FLAGS        */			\
40	{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },	/* ttyS0 */	\
41	{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },	/* ttyS1 */	\
42	{ 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },	/* ttyS2 */	\
43	{ 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },	/* ttyS3 */
44
45
46#ifdef CONFIG_SERIAL_MANY_PORTS
47#define EXTRA_SERIAL_PORT_DEFNS			\
48	{ 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, 	/* ttyS4 */	\
49	{ 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS },	/* ttyS5 */	\
50	{ 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS },	/* ttyS6 */	\
51	{ 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS },	/* ttyS7 */	\
52	{ 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS },	/* ttyS8 */	\
53	{ 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS },	/* ttyS9 */	\
54	{ 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS },	/* ttyS10 */	\
55	{ 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS },	/* ttyS11 */	\
56	{ 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS },	/* ttyS12 */	\
57	{ 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS },	/* ttyS13 */	\
58	{ 0, BASE_BAUD, 0x000, 0, 0 },	/* ttyS14 (spare) */		\
59	{ 0, BASE_BAUD, 0x000, 0, 0 },	/* ttyS15 (spare) */		\
60	{ 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS },	/* ttyS16 */	\
61	{ 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS },	/* ttyS17 */	\
62	{ 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS },	/* ttyS18 */	\
63	{ 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS },	/* ttyS19 */	\
64	{ 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS },	/* ttyS20 */	\
65	{ 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS },	/* ttyS21 */	\
66	{ 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS },	/* ttyS22 */	\
67	{ 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS },	/* ttyS23 */	\
68	{ 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS },	/* ttyS24 */	\
69	{ 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS },	/* ttyS25 */	\
70	{ 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS },	/* ttyS26 */	\
71	{ 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS },	/* ttyS27 */	\
72	{ 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS },	/* ttyS28 */	\
73	{ 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS },	/* ttyS29 */	\
74	{ 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS },	/* ttyS30 */	\
75	{ 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS },	/* ttyS31 */
76#else
77#define EXTRA_SERIAL_PORT_DEFNS
78#endif
79
80#define SERIAL_PORT_DFNS		\
81	STD_SERIAL_PORT_DEFNS		\
82	EXTRA_SERIAL_PORT_DEFNS
83