diff options
Diffstat (limited to 'arch/mips/include/asm/sibyte/sb1250_uart.h')
| -rw-r--r-- | arch/mips/include/asm/sibyte/sb1250_uart.h | 349 |
1 files changed, 349 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sibyte/sb1250_uart.h b/arch/mips/include/asm/sibyte/sb1250_uart.h new file mode 100644 index 000000000..da782e643 --- /dev/null +++ b/arch/mips/include/asm/sibyte/sb1250_uart.h @@ -0,0 +1,349 @@ +/* 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 |