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