2 * linux/include/asm-arm/hardware/serial_omaha.h
4 * Internal header file for Omaha serial ports
6 * Copyright (C) 2002 ARM Limited
7 * Copyright (C) 2000 Deep Blue Solutions Ltd.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #ifndef ASM_ARM_HARDWARE_SERIAL_OMAHA_H
24 #define ASM_ARM_HARDWARE_SERIAL_OMAHA_H
26 #define OMAHA_UART0_BASE 0x15000000 /* Uart 0 base */
27 #define OMAHA_UART1_BASE 0x15004000 /* Uart 1 base */
30 * UART Register Offsets.
32 #define OMAHA_ULCON 0x00 /* Line control */
33 #define OMAHA_UCON 0x04 /* Control */
34 #define OMAHA_UFCON 0x08 /* FIFO control */
35 #define OMAHA_UMCON 0x0C /* Modem control */
36 #define OMAHA_UTRSTAT 0x10 /* Rx/Tx status */
37 #define OMAHA_UERSTAT 0x14 /* Rx Error Status */
38 #define OMAHA_UFSTAT 0x18 /* FIFO status */
39 #define OMAHA_UMSTAT 0x1C /* Modem status */
40 #define OMAHA_UTXH 0x20 /* Transmission Hold (byte wide) */
41 #define OMAHA_URXH 0x24 /* Receive buffer (byte wide) */
42 #define OMAHA_UBRDIV 0x28 /* Baud rate divisor */
44 /* UART status flags in OMAHA_UTRSTAT
46 #define OMAHA_URX_FULL 0x1 /* Receive buffer has valid data */
47 #define OMAHA_UTX_EMPTY 0x2 /* Transmitter has finished */
49 /* UART status flags in UFSTAT */
50 #define OMAHA_TXFF 0x200 /* TX FIFO Full. */
51 #define OMAHA_RXFF 0x100 /* RX FIFO Full. */
52 #define OMAHA_TXFF_CNT 0xF0 /* Tx FIFO count */
53 #define OMAHA_RXFF_CNT 0x0F /* Rx FIFO count */
55 /* UART status flags in UERSTAT
57 #define OMAHA_UART_OVERRUN 0x0
58 #define OMAHA_UART_PARITY 0x1
59 #define OMAHA_UART_FRAME 0x2
60 #define OMAHA_UART_BREAK 0x4