/* 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