1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _LINUX_SERIAL_BCM63XX_H 3#define _LINUX_SERIAL_BCM63XX_H 4 5/* UART Control Register */ 6#define UART_CTL_REG 0x0 7#define UART_CTL_RXTMOUTCNT_SHIFT 0 8#define UART_CTL_RXTMOUTCNT_MASK (0x1f << UART_CTL_RXTMOUTCNT_SHIFT) 9#define UART_CTL_RSTTXDN_SHIFT 5 10#define UART_CTL_RSTTXDN_MASK (1 << UART_CTL_RSTTXDN_SHIFT) 11#define UART_CTL_RSTRXFIFO_SHIFT 6 12#define UART_CTL_RSTRXFIFO_MASK (1 << UART_CTL_RSTRXFIFO_SHIFT) 13#define UART_CTL_RSTTXFIFO_SHIFT 7 14#define UART_CTL_RSTTXFIFO_MASK (1 << UART_CTL_RSTTXFIFO_SHIFT) 15#define UART_CTL_STOPBITS_SHIFT 8 16#define UART_CTL_STOPBITS_MASK (0xf << UART_CTL_STOPBITS_SHIFT) 17#define UART_CTL_STOPBITS_1 (0x7 << UART_CTL_STOPBITS_SHIFT) 18#define UART_CTL_STOPBITS_2 (0xf << UART_CTL_STOPBITS_SHIFT) 19#define UART_CTL_BITSPERSYM_SHIFT 12 20#define UART_CTL_BITSPERSYM_MASK (0x3 << UART_CTL_BITSPERSYM_SHIFT) 21#define UART_CTL_XMITBRK_SHIFT 14 22#define UART_CTL_XMITBRK_MASK (1 << UART_CTL_XMITBRK_SHIFT) 23#define UART_CTL_RSVD_SHIFT 15 24#define UART_CTL_RSVD_MASK (1 << UART_CTL_RSVD_SHIFT) 25#define UART_CTL_RXPAREVEN_SHIFT 16 26#define UART_CTL_RXPAREVEN_MASK (1 << UART_CTL_RXPAREVEN_SHIFT) 27#define UART_CTL_RXPAREN_SHIFT 17 28#define UART_CTL_RXPAREN_MASK (1 << UART_CTL_RXPAREN_SHIFT) 29#define UART_CTL_TXPAREVEN_SHIFT 18 30#define UART_CTL_TXPAREVEN_MASK (1 << UART_CTL_TXPAREVEN_SHIFT) 31#define UART_CTL_TXPAREN_SHIFT 18 32#define UART_CTL_TXPAREN_MASK (1 << UART_CTL_TXPAREN_SHIFT) 33#define UART_CTL_LOOPBACK_SHIFT 20 34#define UART_CTL_LOOPBACK_MASK (1 << UART_CTL_LOOPBACK_SHIFT) 35#define UART_CTL_RXEN_SHIFT 21 36#define UART_CTL_RXEN_MASK (1 << UART_CTL_RXEN_SHIFT) 37#define UART_CTL_TXEN_SHIFT 22 38#define UART_CTL_TXEN_MASK (1 << UART_CTL_TXEN_SHIFT) 39#define UART_CTL_BRGEN_SHIFT 23 40#define UART_CTL_BRGEN_MASK (1 << UART_CTL_BRGEN_SHIFT) 41 42/* UART Baudword register */ 43#define UART_BAUD_REG 0x4 44 45/* UART Misc Control register */ 46#define UART_MCTL_REG 0x8 47#define UART_MCTL_DTR_SHIFT 0 48#define UART_MCTL_DTR_MASK (1 << UART_MCTL_DTR_SHIFT) 49#define UART_MCTL_RTS_SHIFT 1 50#define UART_MCTL_RTS_MASK (1 << UART_MCTL_RTS_SHIFT) 51#define UART_MCTL_RXFIFOTHRESH_SHIFT 8 52#define UART_MCTL_RXFIFOTHRESH_MASK (0xf << UART_MCTL_RXFIFOTHRESH_SHIFT) 53#define UART_MCTL_TXFIFOTHRESH_SHIFT 12 54#define UART_MCTL_TXFIFOTHRESH_MASK (0xf << UART_MCTL_TXFIFOTHRESH_SHIFT) 55#define UART_MCTL_RXFIFOFILL_SHIFT 16 56#define UART_MCTL_RXFIFOFILL_MASK (0x1f << UART_MCTL_RXFIFOFILL_SHIFT) 57#define UART_MCTL_TXFIFOFILL_SHIFT 24 58#define UART_MCTL_TXFIFOFILL_MASK (0x1f << UART_MCTL_TXFIFOFILL_SHIFT) 59 60/* UART External Input Configuration register */ 61#define UART_EXTINP_REG 0xc 62#define UART_EXTINP_RI_SHIFT 0 63#define UART_EXTINP_RI_MASK (1 << UART_EXTINP_RI_SHIFT) 64#define UART_EXTINP_CTS_SHIFT 1 65#define UART_EXTINP_CTS_MASK (1 << UART_EXTINP_CTS_SHIFT) 66#define UART_EXTINP_DCD_SHIFT 2 67#define UART_EXTINP_DCD_MASK (1 << UART_EXTINP_DCD_SHIFT) 68#define UART_EXTINP_DSR_SHIFT 3 69#define UART_EXTINP_DSR_MASK (1 << UART_EXTINP_DSR_SHIFT) 70#define UART_EXTINP_IRSTAT(x) (1 << (x + 4)) 71#define UART_EXTINP_IRMASK(x) (1 << (x + 8)) 72#define UART_EXTINP_IR_RI 0 73#define UART_EXTINP_IR_CTS 1 74#define UART_EXTINP_IR_DCD 2 75#define UART_EXTINP_IR_DSR 3 76#define UART_EXTINP_RI_NOSENSE_SHIFT 16 77#define UART_EXTINP_RI_NOSENSE_MASK (1 << UART_EXTINP_RI_NOSENSE_SHIFT) 78#define UART_EXTINP_CTS_NOSENSE_SHIFT 17 79#define UART_EXTINP_CTS_NOSENSE_MASK (1 << UART_EXTINP_CTS_NOSENSE_SHIFT) 80#define UART_EXTINP_DCD_NOSENSE_SHIFT 18 81#define UART_EXTINP_DCD_NOSENSE_MASK (1 << UART_EXTINP_DCD_NOSENSE_SHIFT) 82#define UART_EXTINP_DSR_NOSENSE_SHIFT 19 83#define UART_EXTINP_DSR_NOSENSE_MASK (1 << UART_EXTINP_DSR_NOSENSE_SHIFT) 84 85/* UART Interrupt register */ 86#define UART_IR_REG 0x10 87#define UART_IR_MASK(x) (1 << (x + 16)) 88#define UART_IR_STAT(x) (1 << (x)) 89#define UART_IR_EXTIP 0 90#define UART_IR_TXUNDER 1 91#define UART_IR_TXOVER 2 92#define UART_IR_TXTRESH 3 93#define UART_IR_TXRDLATCH 4 94#define UART_IR_TXEMPTY 5 95#define UART_IR_RXUNDER 6 96#define UART_IR_RXOVER 7 97#define UART_IR_RXTIMEOUT 8 98#define UART_IR_RXFULL 9 99#define UART_IR_RXTHRESH 10 100#define UART_IR_RXNOTEMPTY 11 101#define UART_IR_RXFRAMEERR 12 102#define UART_IR_RXPARERR 13 103#define UART_IR_RXBRK 14 104#define UART_IR_TXDONE 15 105 106/* UART Fifo register */ 107#define UART_FIFO_REG 0x14 108#define UART_FIFO_VALID_SHIFT 0 109#define UART_FIFO_VALID_MASK 0xff 110#define UART_FIFO_FRAMEERR_SHIFT 8 111#define UART_FIFO_FRAMEERR_MASK (1 << UART_FIFO_FRAMEERR_SHIFT) 112#define UART_FIFO_PARERR_SHIFT 9 113#define UART_FIFO_PARERR_MASK (1 << UART_FIFO_PARERR_SHIFT) 114#define UART_FIFO_BRKDET_SHIFT 10 115#define UART_FIFO_BRKDET_MASK (1 << UART_FIFO_BRKDET_SHIFT) 116#define UART_FIFO_ANYERR_MASK (UART_FIFO_FRAMEERR_MASK | \ 117 UART_FIFO_PARERR_MASK | \ 118 UART_FIFO_BRKDET_MASK) 119 120#endif /* _LINUX_SERIAL_BCM63XX_H */ 121