OSCL-LXR linux-6.0.1/​arch/​mips/​include/​asm/​sibyte/​sb1250_uart.h	Source navigation Diff markup Identifier search General search
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 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*  *********************************************************************
     *  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:  User's manual 1/02/02
     *
     *********************************************************************
     *
     *  Copyright 2000,2001,2002,2003
     *  Broadcom Corporation. All rights reserved.
     *
     ********************************************************************* */
 
 
 #ifndef _SB1250_UART_H
 #define _SB1250_UART_H
 
 #include <asm/sibyte/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(2)
 
 #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_TX_IRQ_SEL_TXRDY    0
 #define M_DUART_TX_IRQ_SEL_TXEMPT   _SB_MAKEMASK1(5)
 
 #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)
 
 #define M_DUART_CTS_CHNG_ENA        _SB_MAKEMASK1(0)
 #define M_DUART_CIN_CHNG_ENA        _SB_MAKEMASK1(2)
 
 /*
  * DUART Interrupt Status Register (Table 10-16)
  * Register: DUART_ISR
  */
 
 #define M_DUART_ISR_TX_A        _SB_MAKEMASK1(0)
 
 #define S_DUART_ISR_RX_A        1
 #define M_DUART_ISR_RX_A        _SB_MAKEMASK1(S_DUART_ISR_RX_A)
 #define V_DUART_ISR_RX_A(x)     _SB_MAKEVALUE(x, S_DUART_ISR_RX_A)
 #define G_DUART_ISR_RX_A(x)     _SB_GETVALUE(x, S_DUART_ISR_RX_A, M_DUART_ISR_RX_A)
 
 #define M_DUART_ISR_BRK_A       _SB_MAKEMASK1(2)
 #define M_DUART_ISR_IN_A        _SB_MAKEMASK1(3)
 #define M_DUART_ISR_ALL_A       _SB_MAKEMASK(4, 0)
 
 #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)
 #define M_DUART_ISR_ALL_B       _SB_MAKEMASK(4, 4)
 
 /*
  * 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_ALL         _SB_MAKEMASK(4, 0)
 #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)
 
 #if SIBYTE_HDR_FEATURE(1250, PASS2) || SIBYTE_HDR_FEATURE(112x, PASS1) || SIBYTE_HDR_FEATURE_CHIP(1480)
 /*
  * Full Interrupt Control Register
  */
 
 #define S_DUART_SIG_FULL       _SB_MAKE64(0)
 #define M_DUART_SIG_FULL       _SB_MAKEMASK(4, S_DUART_SIG_FULL)
 #define V_DUART_SIG_FULL(x)    _SB_MAKEVALUE(x, S_DUART_SIG_FULL)
 #define G_DUART_SIG_FULL(x)    _SB_GETVALUE(x, S_DUART_SIG_FULL, M_DUART_SIG_FULL)
 
 #define S_DUART_INT_TIME       _SB_MAKE64(4)
 #define M_DUART_INT_TIME       _SB_MAKEMASK(4, S_DUART_INT_TIME)
 #define V_DUART_INT_TIME(x)    _SB_MAKEVALUE(x, S_DUART_INT_TIME)
 #define G_DUART_INT_TIME(x)    _SB_GETVALUE(x, S_DUART_INT_TIME, M_DUART_INT_TIME)
 #endif /* 1250 PASS2 || 112x PASS1 || 1480 */
 
 
 /* ********************************************************************** */
 
 
 #endif

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