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