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Viewing File: /usr/src/kernels/5.14.0-570.32.1.el9_6.x86_64/include/linux/serial_bcm63xx.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SERIAL_BCM63XX_H
#define _LINUX_SERIAL_BCM63XX_H
/* UART Control Register */
#define UART_CTL_REG 0x0
#define UART_CTL_RXTMOUTCNT_SHIFT 0
#define UART_CTL_RXTMOUTCNT_MASK (0x1f << UART_CTL_RXTMOUTCNT_SHIFT)
#define UART_CTL_RSTTXDN_SHIFT 5
#define UART_CTL_RSTTXDN_MASK (1 << UART_CTL_RSTTXDN_SHIFT)
#define UART_CTL_RSTRXFIFO_SHIFT 6
#define UART_CTL_RSTRXFIFO_MASK (1 << UART_CTL_RSTRXFIFO_SHIFT)
#define UART_CTL_RSTTXFIFO_SHIFT 7
#define UART_CTL_RSTTXFIFO_MASK (1 << UART_CTL_RSTTXFIFO_SHIFT)
#define UART_CTL_STOPBITS_SHIFT 8
#define UART_CTL_STOPBITS_MASK (0xf << UART_CTL_STOPBITS_SHIFT)
#define UART_CTL_STOPBITS_1 (0x7 << UART_CTL_STOPBITS_SHIFT)
#define UART_CTL_STOPBITS_2 (0xf << UART_CTL_STOPBITS_SHIFT)
#define UART_CTL_BITSPERSYM_SHIFT 12
#define UART_CTL_BITSPERSYM_MASK (0x3 << UART_CTL_BITSPERSYM_SHIFT)
#define UART_CTL_XMITBRK_SHIFT 14
#define UART_CTL_XMITBRK_MASK (1 << UART_CTL_XMITBRK_SHIFT)
#define UART_CTL_RSVD_SHIFT 15
#define UART_CTL_RSVD_MASK (1 << UART_CTL_RSVD_SHIFT)
#define UART_CTL_RXPAREVEN_SHIFT 16
#define UART_CTL_RXPAREVEN_MASK (1 << UART_CTL_RXPAREVEN_SHIFT)
#define UART_CTL_RXPAREN_SHIFT 17
#define UART_CTL_RXPAREN_MASK (1 << UART_CTL_RXPAREN_SHIFT)
#define UART_CTL_TXPAREVEN_SHIFT 18
#define UART_CTL_TXPAREVEN_MASK (1 << UART_CTL_TXPAREVEN_SHIFT)
#define UART_CTL_TXPAREN_SHIFT 18
#define UART_CTL_TXPAREN_MASK (1 << UART_CTL_TXPAREN_SHIFT)
#define UART_CTL_LOOPBACK_SHIFT 20
#define UART_CTL_LOOPBACK_MASK (1 << UART_CTL_LOOPBACK_SHIFT)
#define UART_CTL_RXEN_SHIFT 21
#define UART_CTL_RXEN_MASK (1 << UART_CTL_RXEN_SHIFT)
#define UART_CTL_TXEN_SHIFT 22
#define UART_CTL_TXEN_MASK (1 << UART_CTL_TXEN_SHIFT)
#define UART_CTL_BRGEN_SHIFT 23
#define UART_CTL_BRGEN_MASK (1 << UART_CTL_BRGEN_SHIFT)
/* UART Baudword register */
#define UART_BAUD_REG 0x4
/* UART Misc Control register */
#define UART_MCTL_REG 0x8
#define UART_MCTL_DTR_SHIFT 0
#define UART_MCTL_DTR_MASK (1 << UART_MCTL_DTR_SHIFT)
#define UART_MCTL_RTS_SHIFT 1
#define UART_MCTL_RTS_MASK (1 << UART_MCTL_RTS_SHIFT)
#define UART_MCTL_RXFIFOTHRESH_SHIFT 8
#define UART_MCTL_RXFIFOTHRESH_MASK (0xf << UART_MCTL_RXFIFOTHRESH_SHIFT)
#define UART_MCTL_TXFIFOTHRESH_SHIFT 12
#define UART_MCTL_TXFIFOTHRESH_MASK (0xf << UART_MCTL_TXFIFOTHRESH_SHIFT)
#define UART_MCTL_RXFIFOFILL_SHIFT 16
#define UART_MCTL_RXFIFOFILL_MASK (0x1f << UART_MCTL_RXFIFOFILL_SHIFT)
#define UART_MCTL_TXFIFOFILL_SHIFT 24
#define UART_MCTL_TXFIFOFILL_MASK (0x1f << UART_MCTL_TXFIFOFILL_SHIFT)
/* UART External Input Configuration register */
#define UART_EXTINP_REG 0xc
#define UART_EXTINP_RI_SHIFT 0
#define UART_EXTINP_RI_MASK (1 << UART_EXTINP_RI_SHIFT)
#define UART_EXTINP_CTS_SHIFT 1
#define UART_EXTINP_CTS_MASK (1 << UART_EXTINP_CTS_SHIFT)
#define UART_EXTINP_DCD_SHIFT 2
#define UART_EXTINP_DCD_MASK (1 << UART_EXTINP_DCD_SHIFT)
#define UART_EXTINP_DSR_SHIFT 3
#define UART_EXTINP_DSR_MASK (1 << UART_EXTINP_DSR_SHIFT)
#define UART_EXTINP_IRSTAT(x) (1 << (x + 4))
#define UART_EXTINP_IRMASK(x) (1 << (x + 8))
#define UART_EXTINP_IR_RI 0
#define UART_EXTINP_IR_CTS 1
#define UART_EXTINP_IR_DCD 2
#define UART_EXTINP_IR_DSR 3
#define UART_EXTINP_RI_NOSENSE_SHIFT 16
#define UART_EXTINP_RI_NOSENSE_MASK (1 << UART_EXTINP_RI_NOSENSE_SHIFT)
#define UART_EXTINP_CTS_NOSENSE_SHIFT 17
#define UART_EXTINP_CTS_NOSENSE_MASK (1 << UART_EXTINP_CTS_NOSENSE_SHIFT)
#define UART_EXTINP_DCD_NOSENSE_SHIFT 18
#define UART_EXTINP_DCD_NOSENSE_MASK (1 << UART_EXTINP_DCD_NOSENSE_SHIFT)
#define UART_EXTINP_DSR_NOSENSE_SHIFT 19
#define UART_EXTINP_DSR_NOSENSE_MASK (1 << UART_EXTINP_DSR_NOSENSE_SHIFT)
/* UART Interrupt register */
#define UART_IR_REG 0x10
#define UART_IR_MASK(x) (1 << (x + 16))
#define UART_IR_STAT(x) (1 << (x))
#define UART_IR_EXTIP 0
#define UART_IR_TXUNDER 1
#define UART_IR_TXOVER 2
#define UART_IR_TXTRESH 3
#define UART_IR_TXRDLATCH 4
#define UART_IR_TXEMPTY 5
#define UART_IR_RXUNDER 6
#define UART_IR_RXOVER 7
#define UART_IR_RXTIMEOUT 8
#define UART_IR_RXFULL 9
#define UART_IR_RXTHRESH 10
#define UART_IR_RXNOTEMPTY 11
#define UART_IR_RXFRAMEERR 12
#define UART_IR_RXPARERR 13
#define UART_IR_RXBRK 14
#define UART_IR_TXDONE 15
/* UART Fifo register */
#define UART_FIFO_REG 0x14
#define UART_FIFO_VALID_SHIFT 0
#define UART_FIFO_VALID_MASK 0xff
#define UART_FIFO_FRAMEERR_SHIFT 8
#define UART_FIFO_FRAMEERR_MASK (1 << UART_FIFO_FRAMEERR_SHIFT)
#define UART_FIFO_PARERR_SHIFT 9
#define UART_FIFO_PARERR_MASK (1 << UART_FIFO_PARERR_SHIFT)
#define UART_FIFO_BRKDET_SHIFT 10
#define UART_FIFO_BRKDET_MASK (1 << UART_FIFO_BRKDET_SHIFT)
#define UART_FIFO_ANYERR_MASK (UART_FIFO_FRAMEERR_MASK | \
UART_FIFO_PARERR_MASK | \
UART_FIFO_BRKDET_MASK)
#endif /* _LINUX_SERIAL_BCM63XX_H */
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