363 lines
12 KiB
C
363 lines
12 KiB
C
/* *********************************************************************
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* SB1250 Board Support Package
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*
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* UART Constants File: sb1250_uart.h
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*
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* This module contains constants and macros useful for
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* manipulating the SB1250's UARTs
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*
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* SB1250 specification level: User's manual 1/02/02
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*
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*********************************************************************
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*
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* Copyright 2000,2001,2002,2003
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* Broadcom Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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********************************************************************* */
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#ifndef _SB1250_UART_H
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#define _SB1250_UART_H
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#include <asm/sibyte/sb1250_defs.h>
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/* **********************************************************************
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* DUART Registers
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********************************************************************** */
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/*
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* DUART Mode Register #1 (Table 10-3)
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* Register: DUART_MODE_REG_1_A
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* Register: DUART_MODE_REG_1_B
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*/
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#define S_DUART_BITS_PER_CHAR 0
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#define M_DUART_BITS_PER_CHAR _SB_MAKEMASK(2, S_DUART_BITS_PER_CHAR)
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#define V_DUART_BITS_PER_CHAR(x) _SB_MAKEVALUE(x, S_DUART_BITS_PER_CHAR)
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#define K_DUART_BITS_PER_CHAR_RSV0 0
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#define K_DUART_BITS_PER_CHAR_RSV1 1
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#define K_DUART_BITS_PER_CHAR_7 2
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#define K_DUART_BITS_PER_CHAR_8 3
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#define V_DUART_BITS_PER_CHAR_RSV0 V_DUART_BITS_PER_CHAR(K_DUART_BITS_PER_CHAR_RSV0)
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#define V_DUART_BITS_PER_CHAR_RSV1 V_DUART_BITS_PER_CHAR(K_DUART_BITS_PER_CHAR_RSV1)
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#define V_DUART_BITS_PER_CHAR_7 V_DUART_BITS_PER_CHAR(K_DUART_BITS_PER_CHAR_7)
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#define V_DUART_BITS_PER_CHAR_8 V_DUART_BITS_PER_CHAR(K_DUART_BITS_PER_CHAR_8)
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#define M_DUART_PARITY_TYPE_EVEN 0x00
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#define M_DUART_PARITY_TYPE_ODD _SB_MAKEMASK1(2)
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#define S_DUART_PARITY_MODE 3
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#define M_DUART_PARITY_MODE _SB_MAKEMASK(2, S_DUART_PARITY_MODE)
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#define V_DUART_PARITY_MODE(x) _SB_MAKEVALUE(x, S_DUART_PARITY_MODE)
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#define K_DUART_PARITY_MODE_ADD 0
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#define K_DUART_PARITY_MODE_ADD_FIXED 1
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#define K_DUART_PARITY_MODE_NONE 2
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#define V_DUART_PARITY_MODE_ADD V_DUART_PARITY_MODE(K_DUART_PARITY_MODE_ADD)
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#define V_DUART_PARITY_MODE_ADD_FIXED V_DUART_PARITY_MODE(K_DUART_PARITY_MODE_ADD_FIXED)
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#define V_DUART_PARITY_MODE_NONE V_DUART_PARITY_MODE(K_DUART_PARITY_MODE_NONE)
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#define M_DUART_TX_IRQ_SEL_TXRDY 0
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#define M_DUART_TX_IRQ_SEL_TXEMPT _SB_MAKEMASK1(5)
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#define M_DUART_RX_IRQ_SEL_RXRDY 0
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#define M_DUART_RX_IRQ_SEL_RXFULL _SB_MAKEMASK1(6)
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#define M_DUART_RX_RTS_ENA _SB_MAKEMASK1(7)
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/*
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* DUART Mode Register #2 (Table 10-4)
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* Register: DUART_MODE_REG_2_A
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* Register: DUART_MODE_REG_2_B
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*/
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#define M_DUART_MODE_RESERVED1 _SB_MAKEMASK(3, 0) /* ignored */
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#define M_DUART_STOP_BIT_LEN_2 _SB_MAKEMASK1(3)
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#define M_DUART_STOP_BIT_LEN_1 0
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#define M_DUART_TX_CTS_ENA _SB_MAKEMASK1(4)
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#define M_DUART_MODE_RESERVED2 _SB_MAKEMASK1(5) /* must be zero */
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#define S_DUART_CHAN_MODE 6
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#define M_DUART_CHAN_MODE _SB_MAKEMASK(2, S_DUART_CHAN_MODE)
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#define V_DUART_CHAN_MODE(x) _SB_MAKEVALUE(x, S_DUART_CHAN_MODE)
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#define K_DUART_CHAN_MODE_NORMAL 0
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#define K_DUART_CHAN_MODE_LCL_LOOP 2
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#define K_DUART_CHAN_MODE_REM_LOOP 3
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#define V_DUART_CHAN_MODE_NORMAL V_DUART_CHAN_MODE(K_DUART_CHAN_MODE_NORMAL)
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#define V_DUART_CHAN_MODE_LCL_LOOP V_DUART_CHAN_MODE(K_DUART_CHAN_MODE_LCL_LOOP)
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#define V_DUART_CHAN_MODE_REM_LOOP V_DUART_CHAN_MODE(K_DUART_CHAN_MODE_REM_LOOP)
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/*
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* DUART Command Register (Table 10-5)
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* Register: DUART_CMD_A
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* Register: DUART_CMD_B
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*/
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#define M_DUART_RX_EN _SB_MAKEMASK1(0)
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#define M_DUART_RX_DIS _SB_MAKEMASK1(1)
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#define M_DUART_TX_EN _SB_MAKEMASK1(2)
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#define M_DUART_TX_DIS _SB_MAKEMASK1(3)
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#define S_DUART_MISC_CMD 4
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#define M_DUART_MISC_CMD _SB_MAKEMASK(3, S_DUART_MISC_CMD)
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#define V_DUART_MISC_CMD(x) _SB_MAKEVALUE(x, S_DUART_MISC_CMD)
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#define K_DUART_MISC_CMD_NOACTION0 0
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#define K_DUART_MISC_CMD_NOACTION1 1
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#define K_DUART_MISC_CMD_RESET_RX 2
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#define K_DUART_MISC_CMD_RESET_TX 3
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#define K_DUART_MISC_CMD_NOACTION4 4
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#define K_DUART_MISC_CMD_RESET_BREAK_INT 5
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#define K_DUART_MISC_CMD_START_BREAK 6
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#define K_DUART_MISC_CMD_STOP_BREAK 7
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#define V_DUART_MISC_CMD_NOACTION0 V_DUART_MISC_CMD(K_DUART_MISC_CMD_NOACTION0)
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#define V_DUART_MISC_CMD_NOACTION1 V_DUART_MISC_CMD(K_DUART_MISC_CMD_NOACTION1)
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#define V_DUART_MISC_CMD_RESET_RX V_DUART_MISC_CMD(K_DUART_MISC_CMD_RESET_RX)
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#define V_DUART_MISC_CMD_RESET_TX V_DUART_MISC_CMD(K_DUART_MISC_CMD_RESET_TX)
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#define V_DUART_MISC_CMD_NOACTION4 V_DUART_MISC_CMD(K_DUART_MISC_CMD_NOACTION4)
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#define V_DUART_MISC_CMD_RESET_BREAK_INT V_DUART_MISC_CMD(K_DUART_MISC_CMD_RESET_BREAK_INT)
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#define V_DUART_MISC_CMD_START_BREAK V_DUART_MISC_CMD(K_DUART_MISC_CMD_START_BREAK)
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#define V_DUART_MISC_CMD_STOP_BREAK V_DUART_MISC_CMD(K_DUART_MISC_CMD_STOP_BREAK)
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#define M_DUART_CMD_RESERVED _SB_MAKEMASK1(7)
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/*
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* DUART Status Register (Table 10-6)
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* Register: DUART_STATUS_A
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* Register: DUART_STATUS_B
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* READ-ONLY
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*/
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#define M_DUART_RX_RDY _SB_MAKEMASK1(0)
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#define M_DUART_RX_FFUL _SB_MAKEMASK1(1)
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#define M_DUART_TX_RDY _SB_MAKEMASK1(2)
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#define M_DUART_TX_EMT _SB_MAKEMASK1(3)
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#define M_DUART_OVRUN_ERR _SB_MAKEMASK1(4)
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#define M_DUART_PARITY_ERR _SB_MAKEMASK1(5)
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#define M_DUART_FRM_ERR _SB_MAKEMASK1(6)
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#define M_DUART_RCVD_BRK _SB_MAKEMASK1(7)
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/*
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* DUART Baud Rate Register (Table 10-7)
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* Register: DUART_CLK_SEL_A
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* Register: DUART_CLK_SEL_B
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*/
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#define M_DUART_CLK_COUNTER _SB_MAKEMASK(12, 0)
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#define V_DUART_BAUD_RATE(x) (100000000/((x)*20)-1)
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/*
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* DUART Data Registers (Table 10-8 and 10-9)
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* Register: DUART_RX_HOLD_A
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* Register: DUART_RX_HOLD_B
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* Register: DUART_TX_HOLD_A
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* Register: DUART_TX_HOLD_B
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*/
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#define M_DUART_RX_DATA _SB_MAKEMASK(8, 0)
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#define M_DUART_TX_DATA _SB_MAKEMASK(8, 0)
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/*
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* DUART Input Port Register (Table 10-10)
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* Register: DUART_IN_PORT
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*/
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#define M_DUART_IN_PIN0_VAL _SB_MAKEMASK1(0)
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#define M_DUART_IN_PIN1_VAL _SB_MAKEMASK1(1)
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#define M_DUART_IN_PIN2_VAL _SB_MAKEMASK1(2)
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#define M_DUART_IN_PIN3_VAL _SB_MAKEMASK1(3)
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#define M_DUART_IN_PIN4_VAL _SB_MAKEMASK1(4)
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#define M_DUART_IN_PIN5_VAL _SB_MAKEMASK1(5)
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#define M_DUART_RIN0_PIN _SB_MAKEMASK1(6)
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#define M_DUART_RIN1_PIN _SB_MAKEMASK1(7)
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/*
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* DUART Input Port Change Status Register (Tables 10-11, 10-12, and 10-13)
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* Register: DUART_INPORT_CHNG
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*/
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#define S_DUART_IN_PIN_VAL 0
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#define M_DUART_IN_PIN_VAL _SB_MAKEMASK(4, S_DUART_IN_PIN_VAL)
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#define S_DUART_IN_PIN_CHNG 4
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#define M_DUART_IN_PIN_CHNG _SB_MAKEMASK(4, S_DUART_IN_PIN_CHNG)
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/*
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* DUART Output port control register (Table 10-14)
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* Register: DUART_OPCR
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*/
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#define M_DUART_OPCR_RESERVED0 _SB_MAKEMASK1(0) /* must be zero */
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#define M_DUART_OPC2_SEL _SB_MAKEMASK1(1)
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#define M_DUART_OPCR_RESERVED1 _SB_MAKEMASK1(2) /* must be zero */
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#define M_DUART_OPC3_SEL _SB_MAKEMASK1(3)
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#define M_DUART_OPCR_RESERVED2 _SB_MAKEMASK(4, 4) /* must be zero */
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/*
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* DUART Aux Control Register (Table 10-15)
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* Register: DUART_AUX_CTRL
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*/
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#define M_DUART_IP0_CHNG_ENA _SB_MAKEMASK1(0)
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#define M_DUART_IP1_CHNG_ENA _SB_MAKEMASK1(1)
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#define M_DUART_IP2_CHNG_ENA _SB_MAKEMASK1(2)
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#define M_DUART_IP3_CHNG_ENA _SB_MAKEMASK1(3)
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#define M_DUART_ACR_RESERVED _SB_MAKEMASK(4, 4)
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#define M_DUART_CTS_CHNG_ENA _SB_MAKEMASK1(0)
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#define M_DUART_CIN_CHNG_ENA _SB_MAKEMASK1(2)
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/*
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* DUART Interrupt Status Register (Table 10-16)
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* Register: DUART_ISR
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*/
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#define M_DUART_ISR_TX_A _SB_MAKEMASK1(0)
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#define S_DUART_ISR_RX_A 1
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#define M_DUART_ISR_RX_A _SB_MAKEMASK1(S_DUART_ISR_RX_A)
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#define V_DUART_ISR_RX_A(x) _SB_MAKEVALUE(x, S_DUART_ISR_RX_A)
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#define G_DUART_ISR_RX_A(x) _SB_GETVALUE(x, S_DUART_ISR_RX_A, M_DUART_ISR_RX_A)
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#define M_DUART_ISR_BRK_A _SB_MAKEMASK1(2)
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#define M_DUART_ISR_IN_A _SB_MAKEMASK1(3)
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#define M_DUART_ISR_ALL_A _SB_MAKEMASK(4, 0)
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#define M_DUART_ISR_TX_B _SB_MAKEMASK1(4)
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#define M_DUART_ISR_RX_B _SB_MAKEMASK1(5)
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#define M_DUART_ISR_BRK_B _SB_MAKEMASK1(6)
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#define M_DUART_ISR_IN_B _SB_MAKEMASK1(7)
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#define M_DUART_ISR_ALL_B _SB_MAKEMASK(4, 4)
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/*
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* DUART Channel A Interrupt Status Register (Table 10-17)
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* DUART Channel B Interrupt Status Register (Table 10-18)
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* Register: DUART_ISR_A
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* Register: DUART_ISR_B
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*/
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#define M_DUART_ISR_TX _SB_MAKEMASK1(0)
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#define M_DUART_ISR_RX _SB_MAKEMASK1(1)
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#define M_DUART_ISR_BRK _SB_MAKEMASK1(2)
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#define M_DUART_ISR_IN _SB_MAKEMASK1(3)
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#define M_DUART_ISR_ALL _SB_MAKEMASK(4, 0)
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#define M_DUART_ISR_RESERVED _SB_MAKEMASK(4, 4)
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/*
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* DUART Interrupt Mask Register (Table 10-19)
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* Register: DUART_IMR
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*/
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#define M_DUART_IMR_TX_A _SB_MAKEMASK1(0)
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#define M_DUART_IMR_RX_A _SB_MAKEMASK1(1)
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#define M_DUART_IMR_BRK_A _SB_MAKEMASK1(2)
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#define M_DUART_IMR_IN_A _SB_MAKEMASK1(3)
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#define M_DUART_IMR_ALL_A _SB_MAKEMASK(4, 0)
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#define M_DUART_IMR_TX_B _SB_MAKEMASK1(4)
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#define M_DUART_IMR_RX_B _SB_MAKEMASK1(5)
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#define M_DUART_IMR_BRK_B _SB_MAKEMASK1(6)
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#define M_DUART_IMR_IN_B _SB_MAKEMASK1(7)
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#define M_DUART_IMR_ALL_B _SB_MAKEMASK(4, 4)
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/*
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* DUART Channel A Interrupt Mask Register (Table 10-20)
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* DUART Channel B Interrupt Mask Register (Table 10-21)
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* Register: DUART_IMR_A
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* Register: DUART_IMR_B
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*/
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#define M_DUART_IMR_TX _SB_MAKEMASK1(0)
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#define M_DUART_IMR_RX _SB_MAKEMASK1(1)
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#define M_DUART_IMR_BRK _SB_MAKEMASK1(2)
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#define M_DUART_IMR_IN _SB_MAKEMASK1(3)
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#define M_DUART_IMR_ALL _SB_MAKEMASK(4, 0)
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#define M_DUART_IMR_RESERVED _SB_MAKEMASK(4, 4)
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/*
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* DUART Output Port Set Register (Table 10-22)
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* Register: DUART_SET_OPR
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*/
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#define M_DUART_SET_OPR0 _SB_MAKEMASK1(0)
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#define M_DUART_SET_OPR1 _SB_MAKEMASK1(1)
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#define M_DUART_SET_OPR2 _SB_MAKEMASK1(2)
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#define M_DUART_SET_OPR3 _SB_MAKEMASK1(3)
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#define M_DUART_OPSR_RESERVED _SB_MAKEMASK(4, 4)
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/*
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* DUART Output Port Clear Register (Table 10-23)
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* Register: DUART_CLEAR_OPR
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*/
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#define M_DUART_CLR_OPR0 _SB_MAKEMASK1(0)
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#define M_DUART_CLR_OPR1 _SB_MAKEMASK1(1)
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#define M_DUART_CLR_OPR2 _SB_MAKEMASK1(2)
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#define M_DUART_CLR_OPR3 _SB_MAKEMASK1(3)
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#define M_DUART_OPCR_RESERVED _SB_MAKEMASK(4, 4)
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/*
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* DUART Output Port RTS Register (Table 10-24)
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* Register: DUART_OUT_PORT
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*/
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#define M_DUART_OUT_PIN_SET0 _SB_MAKEMASK1(0)
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#define M_DUART_OUT_PIN_SET1 _SB_MAKEMASK1(1)
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#define M_DUART_OUT_PIN_CLR0 _SB_MAKEMASK1(2)
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#define M_DUART_OUT_PIN_CLR1 _SB_MAKEMASK1(3)
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#define M_DUART_OPRR_RESERVED _SB_MAKEMASK(4, 4)
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#define M_DUART_OUT_PIN_SET(chan) \
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(chan == 0 ? M_DUART_OUT_PIN_SET0 : M_DUART_OUT_PIN_SET1)
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#define M_DUART_OUT_PIN_CLR(chan) \
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(chan == 0 ? M_DUART_OUT_PIN_CLR0 : M_DUART_OUT_PIN_CLR1)
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#if SIBYTE_HDR_FEATURE(1250, PASS2) || SIBYTE_HDR_FEATURE(112x, PASS1) || SIBYTE_HDR_FEATURE_CHIP(1480)
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/*
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* Full Interrupt Control Register
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*/
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#define S_DUART_SIG_FULL _SB_MAKE64(0)
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#define M_DUART_SIG_FULL _SB_MAKEMASK(4, S_DUART_SIG_FULL)
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#define V_DUART_SIG_FULL(x) _SB_MAKEVALUE(x, S_DUART_SIG_FULL)
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#define G_DUART_SIG_FULL(x) _SB_GETVALUE(x, S_DUART_SIG_FULL, M_DUART_SIG_FULL)
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#define S_DUART_INT_TIME _SB_MAKE64(4)
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#define M_DUART_INT_TIME _SB_MAKEMASK(4, S_DUART_INT_TIME)
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#define V_DUART_INT_TIME(x) _SB_MAKEVALUE(x, S_DUART_INT_TIME)
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#define G_DUART_INT_TIME(x) _SB_GETVALUE(x, S_DUART_INT_TIME, M_DUART_INT_TIME)
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#endif /* 1250 PASS2 || 112x PASS1 || 1480 */
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/* ********************************************************************** */
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#endif
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