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#define RS_TABLE_SIZE 64 31#else 32#define RS_TABLE_SIZE 33#endif 34 35#define MCA_COM_FLAGS (STD_COM_FLAGS|ASYNC_BOOT_ONLYMCA) 36 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 */ 50 51#define C_P(card,port) (((card)<<6|(port)<<3) + 1) 52 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 */ 59 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 */ 73 74 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 108 109/* 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 129 130#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 141 142#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 148 149