| /* 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 |
