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/* Blackfin UART Registers
*
* Copyright (c) 2008 Kallisti Labs, Los Gatos, CA, USA
* written by Allan Hessenflow <allanh@kallisti.com>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifndef _uartRegs_h_
#define _uartRegs_h_
/* register addresses */
#define UART_RBR_OFFSET 0x0000
#define UART_THR_OFFSET 0x0000
#define UART_DLL_OFFSET 0x0000
#define UART_IER_OFFSET 0x0004
#define UART_DLH_OFFSET 0x0004
#define UART_IIR_OFFSET 0x0008
#define UART_LCR_OFFSET 0x000c
#define UART_MCR_OFFSET 0x0010
#define UART_LSR_OFFSET 0x0014
#define UART_SCR_OFFSET 0x001c
#define UART_GCTL_OFFSET 0x0024
/* register fields */
#define UART_LCR_DLAB 0x80
#define UART_LCR_SB 0x40
#define UART_LCR_STP 0x20
#define UART_LCR_EPS 0x10
#define UART_LCR_PEN 0x08
#define UART_LCR_STB 0x04
#define UART_LCR_WLS_MASK 0x03
#define UART_LCR_WLS_5 0x00
#define UART_LCR_WLS_6 0x01
#define UART_LCR_WLS_7 0x02
#define UART_LCR_WLS_8 0x03
#define UART_MCR_LOOP 0x10
#define UART_LSR_TEMT 0x40
#define UART_LSR_THRE 0x20
#define UART_LSR_BI 0x10
#define UART_LSR_FE 0x08
#define UART_LSR_PE 0x04
#define UART_LSR_OE 0x02
#define UART_LSR_DR 0x01
#define UART_IER_ELSI 0x04
#define UART_IER_ETBEI 0x02
#define UART_IER_ERBFI 0x01
#define UART_IIR_STATUS_MASK 0x06
#define UART_IIR_STATUS_THRE 0x02
#define UART_IIR_STATUS_RDR 0x04
#define UART_IIR_STATUS_LS 0x06
#define UART_IIR_NINT 0x01
#define UART_GCTL_FFE 0x20
#define UART_GCTL_FPE 0x10
#define UART_GCTL_RPOLC 0x08
#define UART_GCTL_TPOLC 0x04
#define UART_GCTL_IREN 0x02
#define UART_GCTL_UCEN 0x01
#endif /* _uartRegs_h_ */
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