1 /*
2  * include/asm-ia64/serial.h
3  *
4  * Derived from the i386 version.
5  */
6 
7 #include <linux/config.h>
8 
9 /*
10  * This assumes you have a 1.8432 MHz clock for your UART.
11  *
12  * It'd be nice if someone built a serial card with a 24.576 MHz
13  * clock, since the 16550A is capable of handling a top speed of 1.5
14  * megabits/second; but this requires the faster clock.
15  */
16 #define BASE_BAUD ( 1843200 / 16 )
17 
18 #define CONFIG_SERIAL_DETECT_IRQ	/* on IA-64, we always want to autodetect irqs */
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 HUB6_FLAGS 0
34 #define RS_TABLE_SIZE	64
35 #else
36 #define RS_TABLE_SIZE
37 #endif
38 
39 #define MCA_COM_FLAGS  STD_COM_FLAGS
40 
41 /*
42  * The following define the access methods for the HUB6 card. All
43  * access is through two ports for all 24 possible chips. The card is
44  * selected through the high 2 bits, the port on that card with the
45  * "middle" 3 bits, and the register on that port with the bottom
46  * 3 bits.
47  *
48  * While the access port and interrupt is configurable, the default
49  * port locations are 0x302 for the port control register, and 0x303
50  * for the data read/write register. Normally, the interrupt is at irq3
51  * but can be anything from 3 to 7 inclusive. Note that using 3 will
52  * require disabling com2.
53  */
54 
55 #define C_P(card,port) (((card)<<6|(port)<<3) + 1)
56 
57 #define STD_SERIAL_PORT_DEFNS			\
58 	/* UART CLK   PORT IRQ     FLAGS        */			\
59 	{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },	/* ttyS0 */	\
60 	{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },	/* ttyS1 */	\
61 	{ 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },	/* ttyS2 */	\
62 	{ 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },	/* ttyS3 */
63 
64 /*
65  * HCDP_SERIAL_PORT_DEFNS should be placed in exactly the same slot
66  * in rs_table as defined by HCDP_SERIAL_CONSOLE_PORT in
67  * include/linux/serial.h
68  */
69 #define HCDP_SERIAL_PORT_DEFNS	\
70 	{ 0, BASE_BAUD, -1, 0, STD_COM_FLAGS},		/* ttySx device
71 							   in comments sucks.
72 							   You add an entry
73 							   and you get to edit
74 							   boatloads of these
75 							   comments. Not worth
76 							   it */
77 
78 
79 #ifdef CONFIG_SERIAL_MANY_PORTS
80 #define EXTRA_SERIAL_PORT_DEFNS			\
81 	{ 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, 	/* ttyS4 */	\
82 	{ 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS },	/* ttyS5 */	\
83 	{ 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS },	/* ttyS6 */	\
84 	{ 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS },	/* ttyS7 */	\
85 	{ 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS },	/* ttyS8 */	\
86 	{ 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS },	/* ttyS9 */	\
87 	{ 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS },	/* ttyS10 */	\
88 	{ 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS },	/* ttyS11 */	\
89 	{ 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS },	/* ttyS12 */	\
90 	{ 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS },	/* ttyS13 */	\
91 	{ 0, BASE_BAUD, 0x000, 0, 0 },	/* ttyS14 (spare) */		\
92 	{ 0, BASE_BAUD, 0x000, 0, 0 },	/* ttyS15 (spare) */		\
93 	{ 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS },	/* ttyS16 */	\
94 	{ 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS },	/* ttyS17 */	\
95 	{ 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS },	/* ttyS18 */	\
96 	{ 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS },	/* ttyS19 */	\
97 	{ 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS },	/* ttyS20 */	\
98 	{ 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS },	/* ttyS21 */	\
99 	{ 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS },	/* ttyS22 */	\
100 	{ 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS },	/* ttyS23 */	\
101 	{ 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS },	/* ttyS24 */	\
102 	{ 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS },	/* ttyS25 */	\
103 	{ 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS },	/* ttyS26 */	\
104 	{ 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS },	/* ttyS27 */	\
105 	{ 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS },	/* ttyS28 */	\
106 	{ 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS },	/* ttyS29 */	\
107 	{ 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS },	/* ttyS30 */	\
108 	{ 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS },	/* ttyS31 */
109 #else
110 #define EXTRA_SERIAL_PORT_DEFNS
111 #endif
112 
113 /* You can have up to four HUB6's in the system, but I've only
114  * included two cards here for a total of twelve ports.
115  */
116 #if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS))
117 #define HUB6_SERIAL_PORT_DFNS		\
118 	{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) },  /* ttyS32 */	\
119 	{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) },  /* ttyS33 */	\
120 	{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) },  /* ttyS34 */	\
121 	{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) },  /* ttyS35 */	\
122 	{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) },  /* ttyS36 */	\
123 	{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) },  /* ttyS37 */	\
124 	{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) },  /* ttyS38 */	\
125 	{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) },  /* ttyS39 */	\
126 	{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) },  /* ttyS40 */	\
127 	{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) },  /* ttyS41 */	\
128 	{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) },  /* ttyS42 */	\
129 	{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) },  /* ttyS43 */
130 #else
131 #define HUB6_SERIAL_PORT_DFNS
132 #endif
133 
134 #ifdef CONFIG_MCA
135 #define MCA_SERIAL_PORT_DFNS			\
136 	{ 0, BASE_BAUD, 0x3220, 3, MCA_COM_FLAGS },	\
137 	{ 0, BASE_BAUD, 0x3228, 3, MCA_COM_FLAGS },	\
138 	{ 0, BASE_BAUD, 0x4220, 3, MCA_COM_FLAGS },	\
139 	{ 0, BASE_BAUD, 0x4228, 3, MCA_COM_FLAGS },	\
140 	{ 0, BASE_BAUD, 0x5220, 3, MCA_COM_FLAGS },	\
141 	{ 0, BASE_BAUD, 0x5228, 3, MCA_COM_FLAGS },
142 #else
143 #define MCA_SERIAL_PORT_DFNS
144 #endif
145 
146 #define SERIAL_PORT_DFNS		\
147 	STD_SERIAL_PORT_DEFNS		\
148 	HCDP_SERIAL_PORT_DEFNS		\
149 	EXTRA_SERIAL_PORT_DEFNS		\
150 	HUB6_SERIAL_PORT_DFNS		\
151 	MCA_SERIAL_PORT_DFNS
152 
153