1 /* 2 * linux/include/asm-arm/arch-arc/serial.h 3 * 4 * Copyright (C) 1996 Russell King. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * Changelog: 11 * 15-10-1996 RMK Created 12 * 04-04-1998 PJB Merged `arc' and `a5k' architectures 13 */ 14 #ifndef __ASM_ARCH_SERIAL_H 15 #define __ASM_ARCH_SERIAL_H 16 17 #include <linux/config.h> 18 19 /* 20 * This assumes you have a 1.8432 MHz clock for your UART. 21 * 22 * It'd be nice if someone built a serial card with a 24.576 MHz 23 * clock, since the 16550A is capable of handling a top speed of 1.5 24 * megabits/second; but this requires the faster clock. 25 */ 26 #define BASE_BAUD (1843200 / 16) 27 28 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) 29 30 #define RS_TABLE_SIZE 16 31 32 #if defined(CONFIG_ARCH_A5K) 33 /* UART CLK PORT IRQ FLAGS */ 34 35 #define STD_SERIAL_PORT_DEFNS \ 36 { 0, BASE_BAUD, 0x3F8, 10, STD_COM_FLAGS }, /* ttyS0 */ \ 37 { 0, BASE_BAUD, 0x2F8, 10, STD_COM_FLAGS }, /* ttyS1 */ 38 39 #else 40 41 #define STD_SERIAL_PORT_DEFNS \ 42 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS0 */ \ 43 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS1 */ 44 45 #endif 46 47 #define EXTRA_SERIAL_PORT_DEFNS \ 48 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS2 */ \ 49 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS3 */ \ 50 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS4 */ \ 51 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS5 */ \ 52 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS6 */ \ 53 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS7 */ \ 54 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS8 */ \ 55 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS9 */ \ 56 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS10 */ \ 57 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS11 */ \ 58 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS12 */ \ 59 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS13 */ 60 61 #endif 62