ia64/xen-unstable

view xenolinux-2.4.21-pre4-sparse/include/asm-xeno/serial.h @ 235:d7d0a23b2e07

bitkeeper revision 1.93 (3e5a4e6bkPheUp3x1uufN2MS3LAB7A)

Latest and Greatest version of XenoLinux based on the Linux-2.4.21-pre4
kernel.
author iap10@labyrinth.cl.cam.ac.uk
date Mon Feb 24 16:55:07 2003 +0000 (2003-02-24)
parents
children
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1 /*
2 * include/asm-i386/serial.h
3 */
5 #include <linux/config.h>
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 )
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
25 #ifdef CONFIG_SERIAL_MANY_PORTS
26 #define FOURPORT_FLAGS ASYNC_FOURPORT
27 #define ACCENT_FLAGS 0
28 #define BOCA_FLAGS 0
29 #define HUB6_FLAGS 0
30 #define RS_TABLE_SIZE 64
31 #else
32 #define RS_TABLE_SIZE
33 #endif
35 #define MCA_COM_FLAGS (STD_COM_FLAGS|ASYNC_BOOT_ONLYMCA)
37 /*
38 * The following define the access methods for the HUB6 card. All
39 * access is through two ports for all 24 possible chips. The card is
40 * selected through the high 2 bits, the port on that card with the
41 * "middle" 3 bits, and the register on that port with the bottom
42 * 3 bits.
43 *
44 * While the access port and interrupt is configurable, the default
45 * port locations are 0x302 for the port control register, and 0x303
46 * for the data read/write register. Normally, the interrupt is at irq3
47 * but can be anything from 3 to 7 inclusive. Note that using 3 will
48 * require disabling com2.
49 */
51 #define C_P(card,port) (((card)<<6|(port)<<3) + 1)
53 #define STD_SERIAL_PORT_DEFNS \
54 /* UART CLK PORT IRQ FLAGS */ \
55 { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
56 { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
57 { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
58 { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
60 /*
61 * HCDP_SERIAL_PORT_DEFNS should be placed in exactly the same slot
62 * in rs_table as defined by HCDP_SERIAL_CONSOLE_PORT in
63 * include/linux/serial.h
64 */
65 #define HCDP_SERIAL_PORT_DEFNS \
66 { 0, BASE_BAUD, -1, 0, STD_COM_FLAGS}, /* ttySx device
67 in comments sucks.
68 You add an entry
69 and you get to edit
70 boatloads of these
71 comments. Not worth
72 it */
75 #ifdef CONFIG_SERIAL_MANY_PORTS
76 #define EXTRA_SERIAL_PORT_DEFNS \
77 { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, /* ttyS4 */ \
78 { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS }, /* ttyS5 */ \
79 { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS }, /* ttyS6 */ \
80 { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS }, /* ttyS7 */ \
81 { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS }, /* ttyS8 */ \
82 { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS }, /* ttyS9 */ \
83 { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS }, /* ttyS10 */ \
84 { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS }, /* ttyS11 */ \
85 { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS }, /* ttyS12 */ \
86 { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS }, /* ttyS13 */ \
87 { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS14 (spare) */ \
88 { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS15 (spare) */ \
89 { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS }, /* ttyS16 */ \
90 { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS }, /* ttyS17 */ \
91 { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS }, /* ttyS18 */ \
92 { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS }, /* ttyS19 */ \
93 { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS }, /* ttyS20 */ \
94 { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS }, /* ttyS21 */ \
95 { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS }, /* ttyS22 */ \
96 { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS }, /* ttyS23 */ \
97 { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS }, /* ttyS24 */ \
98 { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS }, /* ttyS25 */ \
99 { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS }, /* ttyS26 */ \
100 { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS }, /* ttyS27 */ \
101 { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS }, /* ttyS28 */ \
102 { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS }, /* ttyS29 */ \
103 { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS }, /* ttyS30 */ \
104 { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS }, /* ttyS31 */
105 #else
106 #define EXTRA_SERIAL_PORT_DEFNS
107 #endif
109 /* You can have up to four HUB6's in the system, but I've only
110 * included two cards here for a total of twelve ports.
111 */
112 #if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS))
113 #define HUB6_SERIAL_PORT_DFNS \
114 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) }, /* ttyS32 */ \
115 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) }, /* ttyS33 */ \
116 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) }, /* ttyS34 */ \
117 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) }, /* ttyS35 */ \
118 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) }, /* ttyS36 */ \
119 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) }, /* ttyS37 */ \
120 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) }, /* ttyS38 */ \
121 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) }, /* ttyS39 */ \
122 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) }, /* ttyS40 */ \
123 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) }, /* ttyS41 */ \
124 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) }, /* ttyS42 */ \
125 { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) }, /* ttyS43 */
126 #else
127 #define HUB6_SERIAL_PORT_DFNS
128 #endif
130 #ifdef CONFIG_MCA
131 #define MCA_SERIAL_PORT_DFNS \
132 { 0, BASE_BAUD, 0x3220, 3, MCA_COM_FLAGS }, \
133 { 0, BASE_BAUD, 0x3228, 3, MCA_COM_FLAGS }, \
134 { 0, BASE_BAUD, 0x4220, 3, MCA_COM_FLAGS }, \
135 { 0, BASE_BAUD, 0x4228, 3, MCA_COM_FLAGS }, \
136 { 0, BASE_BAUD, 0x5220, 3, MCA_COM_FLAGS }, \
137 { 0, BASE_BAUD, 0x5228, 3, MCA_COM_FLAGS },
138 #else
139 #define MCA_SERIAL_PORT_DFNS
140 #endif
142 #define SERIAL_PORT_DFNS \
143 STD_SERIAL_PORT_DEFNS \
144 HCDP_SERIAL_PORT_DEFNS \
145 EXTRA_SERIAL_PORT_DEFNS \
146 HUB6_SERIAL_PORT_DFNS \
147 MCA_SERIAL_PORT_DFNS