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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | /* |
| 2 | * include/asm-i386/serial.h |
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| 3 | */ |
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| 4 | |||
| 5 | #include <linux/config.h> |
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| 6 | |||
| 7 | /* |
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| 8 | * This assumes you have a 1.8432 MHz clock for your UART. |
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| 9 | * |
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| 10 | * It'd be nice if someone built a serial card with a 24.576 MHz |
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| 11 | * clock, since the 16550A is capable of handling a top speed of 1.5 |
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| 12 | * megabits/second; but this requires the faster clock. |
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| 13 | */ |
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| 14 | #define BASE_BAUD ( 1843200 / 16 ) |
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| 15 | |||
| 16 | /* Standard COM flags (except for COM4, because of the 8514 problem) */ |
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| 17 | #ifdef CONFIG_SERIAL_DETECT_IRQ |
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| 18 | #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ) |
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| 19 | #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ) |
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| 20 | #else |
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| 21 | #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) |
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| 22 | #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF |
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| 23 | #endif |
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| 24 | |||
| 25 | #ifdef CONFIG_SERIAL_MANY_PORTS |
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| 26 | #define FOURPORT_FLAGS ASYNC_FOURPORT |
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| 27 | #define ACCENT_FLAGS 0 |
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| 28 | #define BOCA_FLAGS 0 |
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| 29 | #define HUB6_FLAGS 0 |
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| 30 | #endif |
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| 31 | |||
| 32 | #define MCA_COM_FLAGS (STD_COM_FLAGS|ASYNC_BOOT_ONLYMCA) |
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| 33 | |||
| 34 | /* |
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| 35 | * The following define the access methods for the HUB6 card. All |
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| 36 | * access is through two ports for all 24 possible chips. The card is |
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| 37 | * selected through the high 2 bits, the port on that card with the |
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| 38 | * "middle" 3 bits, and the register on that port with the bottom |
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| 39 | * 3 bits. |
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| 40 | * |
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| 41 | * While the access port and interrupt is configurable, the default |
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| 42 | * port locations are 0x302 for the port control register, and 0x303 |
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| 43 | * for the data read/write register. Normally, the interrupt is at irq3 |
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| 44 | * but can be anything from 3 to 7 inclusive. Note that using 3 will |
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| 45 | * require disabling com2. |
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| 46 | */ |
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| 47 | |||
| 48 | #define C_P(card,port) (((card)<<6|(port)<<3) + 1) |
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| 49 | |||
| 50 | #ifndef CONFIG_X86_PC9800 |
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| 51 | #define STD_SERIAL_PORT_DEFNS \ |
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| 52 | /* UART CLK PORT IRQ FLAGS */ \ |
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| 53 | { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \ |
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| 54 | { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \ |
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| 55 | { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \ |
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| 56 | { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ |
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| 57 | #else |
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| 58 | #define STD_SERIAL_PORT_DEFNS \ |
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| 59 | /* UART CLK PORT IRQ FLAGS */ \ |
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| 60 | { 0, BASE_BAUD, 0x30, 4, STD_COM_FLAGS }, /* ttyS0 */ \ |
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| 61 | { 0, BASE_BAUD, 0x238, 5, STD_COM_FLAGS }, /* ttyS1 */ |
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| 62 | #endif /* CONFIG_X86_PC9800 */ |
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| 63 | |||
| 64 | |||
| 65 | #ifdef CONFIG_SERIAL_MANY_PORTS |
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| 66 | #define EXTRA_SERIAL_PORT_DEFNS \ |
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| 67 | { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, /* ttyS4 */ \ |
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| 68 | { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS }, /* ttyS5 */ \ |
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| 69 | { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS }, /* ttyS6 */ \ |
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| 70 | { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS }, /* ttyS7 */ \ |
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| 71 | { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS }, /* ttyS8 */ \ |
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| 72 | { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS }, /* ttyS9 */ \ |
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| 73 | { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS }, /* ttyS10 */ \ |
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| 74 | { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS }, /* ttyS11 */ \ |
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| 75 | { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS }, /* ttyS12 */ \ |
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| 76 | { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS }, /* ttyS13 */ \ |
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| 77 | { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS14 (spare) */ \ |
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| 78 | { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS15 (spare) */ \ |
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| 79 | { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS }, /* ttyS16 */ \ |
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| 80 | { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS }, /* ttyS17 */ \ |
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| 81 | { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS }, /* ttyS18 */ \ |
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| 82 | { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS }, /* ttyS19 */ \ |
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| 83 | { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS }, /* ttyS20 */ \ |
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| 84 | { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS }, /* ttyS21 */ \ |
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| 85 | { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS }, /* ttyS22 */ \ |
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| 86 | { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS }, /* ttyS23 */ \ |
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| 87 | { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS }, /* ttyS24 */ \ |
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| 88 | { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS }, /* ttyS25 */ \ |
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| 89 | { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS }, /* ttyS26 */ \ |
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| 90 | { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS }, /* ttyS27 */ \ |
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| 91 | { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS }, /* ttyS28 */ \ |
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| 92 | { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS }, /* ttyS29 */ \ |
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| 93 | { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS }, /* ttyS30 */ \ |
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| 94 | { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS }, /* ttyS31 */ |
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| 95 | #else |
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| 96 | #define EXTRA_SERIAL_PORT_DEFNS |
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| 97 | #endif |
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| 98 | |||
| 99 | /* You can have up to four HUB6's in the system, but I've only |
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| 100 | * included two cards here for a total of twelve ports. |
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| 101 | */ |
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| 102 | #if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS)) |
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| 103 | #define HUB6_SERIAL_PORT_DFNS \ |
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| 104 | { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) }, /* ttyS32 */ \ |
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| 105 | { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) }, /* ttyS33 */ \ |
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| 106 | { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) }, /* ttyS34 */ \ |
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| 107 | { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) }, /* ttyS35 */ \ |
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| 108 | { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) }, /* ttyS36 */ \ |
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| 109 | { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) }, /* ttyS37 */ \ |
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| 110 | { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) }, /* ttyS38 */ \ |
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| 111 | { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) }, /* ttyS39 */ \ |
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| 112 | { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) }, /* ttyS40 */ \ |
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| 113 | { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) }, /* ttyS41 */ \ |
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| 114 | { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) }, /* ttyS42 */ \ |
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| 115 | { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) }, /* ttyS43 */ |
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| 116 | #else |
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| 117 | #define HUB6_SERIAL_PORT_DFNS |
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| 118 | #endif |
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| 119 | |||
| 120 | #ifdef CONFIG_MCA |
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| 121 | #define MCA_SERIAL_PORT_DFNS \ |
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| 122 | { 0, BASE_BAUD, 0x3220, 3, MCA_COM_FLAGS }, \ |
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| 123 | { 0, BASE_BAUD, 0x3228, 3, MCA_COM_FLAGS }, \ |
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| 124 | { 0, BASE_BAUD, 0x4220, 3, MCA_COM_FLAGS }, \ |
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| 125 | { 0, BASE_BAUD, 0x4228, 3, MCA_COM_FLAGS }, \ |
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| 126 | { 0, BASE_BAUD, 0x5220, 3, MCA_COM_FLAGS }, \ |
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| 127 | { 0, BASE_BAUD, 0x5228, 3, MCA_COM_FLAGS }, |
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| 128 | #else |
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| 129 | #define MCA_SERIAL_PORT_DFNS |
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| 130 | #endif |
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| 131 | |||
| 132 | #define SERIAL_PORT_DFNS \ |
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| 133 | STD_SERIAL_PORT_DEFNS \ |
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| 134 | EXTRA_SERIAL_PORT_DEFNS \ |
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| 135 | HUB6_SERIAL_PORT_DFNS \ |
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| 136 | MCA_SERIAL_PORT_DFNS |
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| 137 |