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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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