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/*
* linux/include/asm-arm/hardware/serial_amba.h
*
* Internal header file for AMBA serial ports
*
* Copyright (C) ARM Limited
* Copyright (C) 2000 Deep Blue Solutions Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef ASM_ARM_HARDWARE_SERIAL_AMBA_H
#define ASM_ARM_HARDWARE_SERIAL_AMBA_H
/* -------------------------------------------------------------------------------
* From AMBA UART (PL010) Block Specification (ARM-0001-CUST-DSPC-A03)
* -------------------------------------------------------------------------------
* UART Register Offsets.
*/
#define AMBA_UARTDR 0x00 /* Data read or written from the interface. */
#define AMBA_UARTRSR 0x04 /* Receive status register (Read). */
#define AMBA_UARTECR 0x04 /* Error clear register (Write). */
#define AMBA_UARTLCR_H 0x08 /* Line control register, high byte. */
#define AMBA_UARTLCR_M 0x0C /* Line control register, middle byte. */
#define AMBA_UARTLCR_L 0x10 /* Line control register, low byte. */
#define AMBA_UARTCR 0x14 /* Control register. */
#define AMBA_UARTFR 0x18 /* Flag register (Read only). */
#define AMBA_UARTIIR 0x1C /* Interrupt indentification register (Read). */
#define AMBA_UARTICR 0x1C /* Interrupt clear register (Write). */
#define AMBA_UARTILPR 0x20 /* IrDA low power counter register. */
#define AMBA_UARTRSR_OE 0x08
#define AMBA_UARTRSR_BE 0x04
#define AMBA_UARTRSR_PE 0x02
#define AMBA_UARTRSR_FE 0x01
#define AMBA_UARTFR_TXFF 0x20
#define AMBA_UARTFR_RXFE 0x10
#define AMBA_UARTFR_BUSY 0x08
#define AMBA_UARTFR_DCD 0x04
#define AMBA_UARTFR_DSR 0x02
#define AMBA_UARTFR_CTS 0x01
#define AMBA_UARTFR_TMSK (AMBA_UARTFR_TXFF + AMBA_UARTFR_BUSY)
#define AMBA_UARTCR_RTIE 0x40
#define AMBA_UARTCR_TIE 0x20
#define AMBA_UARTCR_RIE 0x10
#define AMBA_UARTCR_MSIE 0x08
#define AMBA_UARTCR_IIRLP 0x04
#define AMBA_UARTCR_SIREN 0x02
#define AMBA_UARTCR_UARTEN 0x01
#define AMBA_UARTLCR_H_WLEN_8 0x60
#define AMBA_UARTLCR_H_WLEN_7 0x40
#define AMBA_UARTLCR_H_WLEN_6 0x20
#define AMBA_UARTLCR_H_WLEN_5 0x00
#define AMBA_UARTLCR_H_FEN 0x10
#define AMBA_UARTLCR_H_STP2 0x08
#define AMBA_UARTLCR_H_EPS 0x04
#define AMBA_UARTLCR_H_PEN 0x02
#define AMBA_UARTLCR_H_BRK 0x01
#define AMBA_UARTIIR_RTIS 0x08
#define AMBA_UARTIIR_TIS 0x04
#define AMBA_UARTIIR_RIS 0x02
#define AMBA_UARTIIR_MIS 0x01
#define ARM_BAUD_460800 1
#define ARM_BAUD_230400 3
#define ARM_BAUD_115200 7
#define ARM_BAUD_57600 15
#define ARM_BAUD_38400 23
#define ARM_BAUD_19200 47
#define ARM_BAUD_14400 63
#define ARM_BAUD_9600 95
#define ARM_BAUD_4800 191
#define ARM_BAUD_2400 383
#define ARM_BAUD_1200 767
#define AMBA_UARTRSR_ANY (AMBA_UARTRSR_OE|AMBA_UARTRSR_BE|AMBA_UARTRSR_PE|AMBA_UARTRSR_FE)
#define AMBA_UARTFR_MODEM_ANY (AMBA_UARTFR_DCD|AMBA_UARTFR_DSR|AMBA_UARTFR_CTS)
#endif
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