sibyte/include/sb1250_uart.h

/*  *********************************************************************
    *  SB1250 Board Support Package
    *
    *  UART Constants				File: sb1250_uart.h
    *
    *  This module contains constants and macros useful for
    *  manipulating the SB1250's UARTs
    *
    *  SB1250 specification level:  0.2
    *
    *  Author:  Mitch Lichtenberg (mitch (at) sibyte.com)
    *
    *********************************************************************
    *
    *  Copyright 2000,2001
    *  Broadcom Corporation. All rights reserved.
    *
    *  This software is furnished under license and may be used and
    *  copied only in accordance with the following terms and
    *  conditions.  Subject to these conditions, you may download,
    *  copy, install, use, modify and distribute modified or unmodified
    *  copies of this software in source and/or binary form.  No title
    *  or ownership is transferred hereby.
    *
    *  1) Any source code used, modified or distributed must reproduce
    *     and retain this copyright notice and list of conditions as
    *     they appear in the source file.
    *
    *  2) No right is granted to use any trade name, trademark, or
    *     logo of Broadcom Corporation. Neither the "Broadcom
    *     Corporation" name nor any trademark or logo of Broadcom
    *     Corporation may be used to endorse or promote products
    *     derived from this software without the prior written
    *     permission of Broadcom Corporation.
    *
    *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
    *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
    *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
    *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
    *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
    *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
    *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
    *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
    *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
    *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
    *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
    *     THE POSSIBILITY OF SUCH DAMAGE.
    ********************************************************************* */


#ifndef _SB1250_UART_H
#define	_SB1250_UART_H

#include "sb1250_defs.h"

/* **********************************************************************
   * DUART Registers
   ********************************************************************** */

/*
 * DUART Mode Register #1 (Table 10-3)
 * Register: DUART_MODE_REG_1_A
 * Register: DUART_MODE_REG_1_B
 */

#define	S_DUART_BITS_PER_CHAR       0
#define	M_DUART_BITS_PER_CHAR       _SB_MAKEMASK(2,S_DUART_BITS_PER_CHAR)
#define	V_DUART_BITS_PER_CHAR(x)    _SB_MAKEVALUE(x,S_DUART_BITS_PER_CHAR)

#define	K_DUART_BITS_PER_CHAR_RSV0  0
#define	K_DUART_BITS_PER_CHAR_RSV1  1
#define	K_DUART_BITS_PER_CHAR_7     2
#define	K_DUART_BITS_PER_CHAR_8     3

#define	V_DUART_BITS_PER_CHAR_RSV0  V_DUART_BITS_PER_CHAR(K_DUART_BITS_PER_CHAR_RSV0)
#define	V_DUART_BITS_PER_CHAR_RSV1  V_DUART_BITS_PER_CHAR(K_DUART_BITS_PER_CHAR_RSV1)
#define	V_DUART_BITS_PER_CHAR_7     V_DUART_BITS_PER_CHAR(K_DUART_BITS_PER_CHAR_7)
#define	V_DUART_BITS_PER_CHAR_8     V_DUART_BITS_PER_CHAR(K_DUART_BITS_PER_CHAR_8)


#define	M_DUART_PARITY_TYPE_EVEN    0x00
#define	M_DUART_PARITY_TYPE_ODD     _SB_MAKEMASK1(3)

#define	S_DUART_PARITY_MODE          3
#define	M_DUART_PARITY_MODE         _SB_MAKEMASK(2,S_DUART_PARITY_MODE)
#define	V_DUART_PARITY_MODE(x)      _SB_MAKEVALUE(x,S_DUART_PARITY_MODE)

#define	K_DUART_PARITY_MODE_ADD       0
#define	K_DUART_PARITY_MODE_ADD_FIXED 1
#define	K_DUART_PARITY_MODE_NONE      2

#define	V_DUART_PARITY_MODE_ADD       V_DUART_PARITY_MODE(K_DUART_PARITY_MODE_ADD)
#define	V_DUART_PARITY_MODE_ADD_FIXED V_DUART_PARITY_MODE(K_DUART_PARITY_MODE_ADD_FIXED)
#define	V_DUART_PARITY_MODE_NONE      V_DUART_PARITY_MODE(K_DUART_PARITY_MODE_NONE)

#define	M_DUART_ERR_MODE            _SB_MAKEMASK1(5)    /* must be zero */

#define	M_DUART_RX_IRQ_SEL_RXRDY    0
#define	M_DUART_RX_IRQ_SEL_RXFULL   _SB_MAKEMASK1(6)

#define	M_DUART_RX_RTS_ENA          _SB_MAKEMASK1(7)

/*
 * DUART Mode Register #2 (Table 10-4)
 * Register: DUART_MODE_REG_2_A
 * Register: DUART_MODE_REG_2_B
 */

#define	M_DUART_MODE_RESERVED1      _SB_MAKEMASK(3,0)   /* ignored */

#define	M_DUART_STOP_BIT_LEN_2      _SB_MAKEMASK1(3)
#define	M_DUART_STOP_BIT_LEN_1      0

#define	M_DUART_TX_CTS_ENA          _SB_MAKEMASK1(4)

#define	M_DUART_MODE_RESERVED2      _SB_MAKEMASK1(5)    /* must be zero */

#define	S_DUART_CHAN_MODE	    6
#define	M_DUART_CHAN_MODE           _SB_MAKEMASK(2,S_DUART_CHAN_MODE)
#define	V_DUART_CHAN_MODE(x)	    _SB_MAKEVALUE(x,S_DUART_CHAN_MODE)

#define	K_DUART_CHAN_MODE_NORMAL    0
#define	K_DUART_CHAN_MODE_LCL_LOOP  2
#define	K_DUART_CHAN_MODE_REM_LOOP  3

#define	V_DUART_CHAN_MODE_NORMAL    V_DUART_CHAN_MODE(K_DUART_CHAN_MODE_NORMAL)
#define	V_DUART_CHAN_MODE_LCL_LOOP  V_DUART_CHAN_MODE(K_DUART_CHAN_MODE_LCL_LOOP)
#define	V_DUART_CHAN_MODE_REM_LOOP  V_DUART_CHAN_MODE(K_DUART_CHAN_MODE_REM_LOOP)

/*
 * DUART Command Register (Table 10-5)
 * Register: DUART_CMD_A
 * Register: DUART_CMD_B
 */

#define	M_DUART_RX_EN               _SB_MAKEMASK1(0)
#define	M_DUART_RX_DIS              _SB_MAKEMASK1(1)
#define	M_DUART_TX_EN               _SB_MAKEMASK1(2)
#define	M_DUART_TX_DIS              _SB_MAKEMASK1(3)

#define	S_DUART_MISC_CMD	    4
#define	M_DUART_MISC_CMD            _SB_MAKEMASK(3,S_DUART_MISC_CMD)
#define	V_DUART_MISC_CMD(x)         _SB_MAKEVALUE(x,S_DUART_MISC_CMD)

#define	K_DUART_MISC_CMD_NOACTION0       0
#define	K_DUART_MISC_CMD_NOACTION1       1
#define	K_DUART_MISC_CMD_RESET_RX        2
#define	K_DUART_MISC_CMD_RESET_TX        3
#define	K_DUART_MISC_CMD_NOACTION4       4
#define	K_DUART_MISC_CMD_RESET_BREAK_INT 5
#define	K_DUART_MISC_CMD_START_BREAK     6
#define	K_DUART_MISC_CMD_STOP_BREAK      7

#define	V_DUART_MISC_CMD_NOACTION0       V_DUART_MISC_CMD(K_DUART_MISC_CMD_NOACTION0)
#define	V_DUART_MISC_CMD_NOACTION1       V_DUART_MISC_CMD(K_DUART_MISC_CMD_NOACTION1)
#define	V_DUART_MISC_CMD_RESET_RX        V_DUART_MISC_CMD(K_DUART_MISC_CMD_RESET_RX)
#define	V_DUART_MISC_CMD_RESET_TX        V_DUART_MISC_CMD(K_DUART_MISC_CMD_RESET_TX)
#define	V_DUART_MISC_CMD_NOACTION4       V_DUART_MISC_CMD(K_DUART_MISC_CMD_NOACTION4)
#define	V_DUART_MISC_CMD_RESET_BREAK_INT V_DUART_MISC_CMD(K_DUART_MISC_CMD_RESET_BREAK_INT)
#define	V_DUART_MISC_CMD_START_BREAK     V_DUART_MISC_CMD(K_DUART_MISC_CMD_START_BREAK)
#define	V_DUART_MISC_CMD_STOP_BREAK      V_DUART_MISC_CMD(K_DUART_MISC_CMD_STOP_BREAK)

#define	M_DUART_CMD_RESERVED             _SB_MAKEMASK1(7)

/*
 * DUART Status Register (Table 10-6)
 * Register: DUART_STATUS_A
 * Register: DUART_STATUS_B
 * READ-ONLY
 */

#define	M_DUART_RX_RDY              _SB_MAKEMASK1(0)
#define	M_DUART_RX_FFUL             _SB_MAKEMASK1(1)
#define	M_DUART_TX_RDY              _SB_MAKEMASK1(2)
#define	M_DUART_TX_EMT              _SB_MAKEMASK1(3)
#define	M_DUART_OVRUN_ERR           _SB_MAKEMASK1(4)
#define	M_DUART_PARITY_ERR          _SB_MAKEMASK1(5)
#define	M_DUART_FRM_ERR             _SB_MAKEMASK1(6)
#define	M_DUART_RCVD_BRK            _SB_MAKEMASK1(7)

/*
 * DUART Baud Rate Register (Table 10-7)
 * Register: DUART_CLK_SEL_A
 * Register: DUART_CLK_SEL_B
 */

#define	M_DUART_CLK_COUNTER         _SB_MAKEMASK(12,0)
#define	V_DUART_BAUD_RATE(x)        (100000000/((x)*20)-1)

/*
 * DUART Data Registers (Table 10-8 and 10-9)
 * Register: DUART_RX_HOLD_A
 * Register: DUART_RX_HOLD_B
 * Register: DUART_TX_HOLD_A
 * Register: DUART_TX_HOLD_B
 */

#define	M_DUART_RX_DATA             _SB_MAKEMASK(8,0)
#define	M_DUART_TX_DATA             _SB_MAKEMASK(8,0)

/*
 * DUART Input Port Register (Table 10-10)
 * Register: DUART_IN_PORT
 */

#define	M_DUART_IN_PIN0_VAL         _SB_MAKEMASK1(0)
#define	M_DUART_IN_PIN1_VAL         _SB_MAKEMASK1(1)
#define	M_DUART_IN_PIN2_VAL         _SB_MAKEMASK1(2)
#define	M_DUART_IN_PIN3_VAL         _SB_MAKEMASK1(3)
#define	M_DUART_IN_PIN4_VAL         _SB_MAKEMASK1(4)
#define	M_DUART_IN_PIN5_VAL         _SB_MAKEMASK1(5)
#define	M_DUART_RIN0_PIN            _SB_MAKEMASK1(6)
#define	M_DUART_RIN1_PIN            _SB_MAKEMASK1(7)

/*
 * DUART Input Port Change Status Register (Tables 10-11, 10-12, and 10-13)
 * Register: DUART_INPORT_CHNG
 */

#define	S_DUART_IN_PIN_VAL          0
#define	M_DUART_IN_PIN_VAL          _SB_MAKEMASK(4,S_DUART_IN_PIN_VAL)

#define	S_DUART_IN_PIN_CHNG         4
#define	M_DUART_IN_PIN_CHNG         _SB_MAKEMASK(4,S_DUART_IN_PIN_CHNG)

/*
 * DUART Output port control register (Table 10-14)
 * Register: DUART_OPCR
 */

#define	M_DUART_OPCR_RESERVED0      _SB_MAKEMASK1(0)   /* must be zero */
#define	M_DUART_OPC2_SEL            _SB_MAKEMASK1(1)
#define	M_DUART_OPCR_RESERVED1      _SB_MAKEMASK1(2)   /* must be zero */
#define	M_DUART_OPC3_SEL            _SB_MAKEMASK1(3)
#define	M_DUART_OPCR_RESERVED2      _SB_MAKEMASK(4,4)  /* must be zero */

/*
 * DUART Aux Control Register (Table 10-15)
 * Register: DUART_AUX_CTRL
 */

#define	M_DUART_IP0_CHNG_ENA        _SB_MAKEMASK1(0)
#define	M_DUART_IP1_CHNG_ENA        _SB_MAKEMASK1(1)
#define	M_DUART_IP2_CHNG_ENA        _SB_MAKEMASK1(2)
#define	M_DUART_IP3_CHNG_ENA        _SB_MAKEMASK1(3)
#define	M_DUART_ACR_RESERVED        _SB_MAKEMASK(4,4)

/*
 * DUART Interrupt Status Register (Table 10-16)
 * Register: DUART_ISR
 */

#define	M_DUART_ISR_TX_A            _SB_MAKEMASK1(0)
#define	M_DUART_ISR_RX_A            _SB_MAKEMASK1(1)
#define	M_DUART_ISR_BRK_A           _SB_MAKEMASK1(2)
#define	M_DUART_ISR_IN_A            _SB_MAKEMASK1(3)
#define	M_DUART_ISR_TX_B            _SB_MAKEMASK1(4)
#define	M_DUART_ISR_RX_B            _SB_MAKEMASK1(5)
#define	M_DUART_ISR_BRK_B           _SB_MAKEMASK1(6)
#define	M_DUART_ISR_IN_B            _SB_MAKEMASK1(7)

/*
 * DUART Channel A Interrupt Status Register (Table 10-17)
 * DUART Channel B Interrupt Status Register (Table 10-18)
 * Register: DUART_ISR_A
 * Register: DUART_ISR_B
 */

#define	M_DUART_ISR_TX              _SB_MAKEMASK1(0)
#define	M_DUART_ISR_RX              _SB_MAKEMASK1(1)
#define	M_DUART_ISR_BRK             _SB_MAKEMASK1(2)
#define	M_DUART_ISR_IN              _SB_MAKEMASK1(3)
#define	M_DUART_ISR_RESERVED        _SB_MAKEMASK(4,4)

/*
 * DUART Interrupt Mask Register (Table 10-19)
 * Register: DUART_IMR
 */

#define	M_DUART_IMR_TX_A            _SB_MAKEMASK1(0)
#define	M_DUART_IMR_RX_A            _SB_MAKEMASK1(1)
#define	M_DUART_IMR_BRK_A           _SB_MAKEMASK1(2)
#define	M_DUART_IMR_IN_A            _SB_MAKEMASK1(3)
#define	M_DUART_IMR_ALL_A	    _SB_MAKEMASK(4,0)

#define	M_DUART_IMR_TX_B            _SB_MAKEMASK1(4)
#define	M_DUART_IMR_RX_B            _SB_MAKEMASK1(5)
#define	M_DUART_IMR_BRK_B           _SB_MAKEMASK1(6)
#define	M_DUART_IMR_IN_B            _SB_MAKEMASK1(7)
#define	M_DUART_IMR_ALL_B           _SB_MAKEMASK(4,4)

/*
 * DUART Channel A Interrupt Mask Register (Table 10-20)
 * DUART Channel B Interrupt Mask Register (Table 10-21)
 * Register: DUART_IMR_A
 * Register: DUART_IMR_B
 */

#define	M_DUART_IMR_TX              _SB_MAKEMASK1(0)
#define	M_DUART_IMR_RX              _SB_MAKEMASK1(1)
#define	M_DUART_IMR_BRK             _SB_MAKEMASK1(2)
#define	M_DUART_IMR_IN              _SB_MAKEMASK1(3)
#define	M_DUART_IMR_ALL		    _SB_MAKEMASK(4,0)
#define	M_DUART_IMR_RESERVED        _SB_MAKEMASK(4,4)


/*
 * DUART Output Port Set Register (Table 10-22)
 * Register: DUART_SET_OPR
 */

#define	M_DUART_SET_OPR0            _SB_MAKEMASK1(0)
#define	M_DUART_SET_OPR1            _SB_MAKEMASK1(1)
#define	M_DUART_SET_OPR2            _SB_MAKEMASK1(2)
#define	M_DUART_SET_OPR3            _SB_MAKEMASK1(3)
#define	M_DUART_OPSR_RESERVED       _SB_MAKEMASK(4,4)

/*
 * DUART Output Port Clear Register (Table 10-23)
 * Register: DUART_CLEAR_OPR
 */

#define	M_DUART_CLR_OPR0            _SB_MAKEMASK1(0)
#define	M_DUART_CLR_OPR1            _SB_MAKEMASK1(1)
#define	M_DUART_CLR_OPR2            _SB_MAKEMASK1(2)
#define	M_DUART_CLR_OPR3            _SB_MAKEMASK1(3)
#define	M_DUART_OPCR_RESERVED       _SB_MAKEMASK(4,4)

/*
 * DUART Output Port RTS Register (Table 10-24)
 * Register: DUART_OUT_PORT
 */

#define	M_DUART_OUT_PIN_SET0        _SB_MAKEMASK1(0)
#define	M_DUART_OUT_PIN_SET1        _SB_MAKEMASK1(1)
#define	M_DUART_OUT_PIN_CLR0        _SB_MAKEMASK1(2)
#define	M_DUART_OUT_PIN_CLR1        _SB_MAKEMASK1(3)
#define	M_DUART_OPRR_RESERVED       _SB_MAKEMASK(4,4)

#define	M_DUART_OUT_PIN_SET(chan) \
    (chan == 0 ? M_DUART_OUT_PIN_SET0 : M_DUART_OUT_PIN_SET1)
#define	M_DUART_OUT_PIN_CLR(chan) \
    (chan == 0 ? M_DUART_OUT_PIN_CLR0 : M_DUART_OUT_PIN_CLR1)

/*
 * XXX To be added: Synchronous Serial definitions
 */

/* ********************************************************************** */


#endif