File: /usr/src/linux/include/asm-alpha/serial.h
1 /*
2 * include/asm-alpha/serial.h
3 */
4
5 #include <linux/config.h>
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) */
17 #ifdef CONFIG_SERIAL_DETECT_IRQ
18 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
19 #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
20 #else
21 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
22 #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
23 #endif
24
25 #ifdef CONFIG_SERIAL_MANY_PORTS
26 #define FOURPORT_FLAGS ASYNC_FOURPORT
27 #define ACCENT_FLAGS 0
28 #define BOCA_FLAGS 0
29 #define RS_TABLE_SIZE 64
30 #else
31 #define RS_TABLE_SIZE 4
32 #endif
33
34 #define STD_SERIAL_PORT_DEFNS \
35 /* UART CLK PORT IRQ FLAGS */ \
36 { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
37 { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
38 { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
39 { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
40
41
42 #ifdef CONFIG_SERIAL_MANY_PORTS
43 #define EXTRA_SERIAL_PORT_DEFNS \
44 { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, /* ttyS4 */ \
45 { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS }, /* ttyS5 */ \
46 { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS }, /* ttyS6 */ \
47 { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS }, /* ttyS7 */ \
48 { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS }, /* ttyS8 */ \
49 { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS }, /* ttyS9 */ \
50 { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS }, /* ttyS10 */ \
51 { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS }, /* ttyS11 */ \
52 { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS }, /* ttyS12 */ \
53 { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS }, /* ttyS13 */ \
54 { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS14 (spare) */ \
55 { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS15 (spare) */ \
56 { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS }, /* ttyS16 */ \
57 { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS }, /* ttyS17 */ \
58 { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS }, /* ttyS18 */ \
59 { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS }, /* ttyS19 */ \
60 { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS }, /* ttyS20 */ \
61 { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS }, /* ttyS21 */ \
62 { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS }, /* ttyS22 */ \
63 { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS }, /* ttyS23 */ \
64 { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS }, /* ttyS24 */ \
65 { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS }, /* ttyS25 */ \
66 { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS }, /* ttyS26 */ \
67 { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS }, /* ttyS27 */ \
68 { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS }, /* ttyS28 */ \
69 { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS }, /* ttyS29 */ \
70 { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS }, /* ttyS30 */ \
71 { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS }, /* ttyS31 */
72 #else
73 #define EXTRA_SERIAL_PORT_DEFNS
74 #endif
75
76 #define SERIAL_PORT_DFNS \
77 STD_SERIAL_PORT_DEFNS \
78 EXTRA_SERIAL_PORT_DEFNS
79