include/linux/serial_bcm63xx.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef _LINUX_SERIAL_BCM63XX_H
0003 #define _LINUX_SERIAL_BCM63XX_H
0004
0005 /* UART Control Register */
0006 #define UART_CTL_REG            0x0
0007 #define UART_CTL_RXTMOUTCNT_SHIFT   0
0008 #define UART_CTL_RXTMOUTCNT_MASK    (0x1f << UART_CTL_RXTMOUTCNT_SHIFT)
0009 #define UART_CTL_RSTTXDN_SHIFT      5
0010 #define UART_CTL_RSTTXDN_MASK       (1 << UART_CTL_RSTTXDN_SHIFT)
0011 #define UART_CTL_RSTRXFIFO_SHIFT        6
0012 #define UART_CTL_RSTRXFIFO_MASK     (1 << UART_CTL_RSTRXFIFO_SHIFT)
0013 #define UART_CTL_RSTTXFIFO_SHIFT        7
0014 #define UART_CTL_RSTTXFIFO_MASK     (1 << UART_CTL_RSTTXFIFO_SHIFT)
0015 #define UART_CTL_STOPBITS_SHIFT     8
0016 #define UART_CTL_STOPBITS_MASK      (0xf << UART_CTL_STOPBITS_SHIFT)
0017 #define UART_CTL_STOPBITS_1     (0x7 << UART_CTL_STOPBITS_SHIFT)
0018 #define UART_CTL_STOPBITS_2     (0xf << UART_CTL_STOPBITS_SHIFT)
0019 #define UART_CTL_BITSPERSYM_SHIFT   12
0020 #define UART_CTL_BITSPERSYM_MASK    (0x3 << UART_CTL_BITSPERSYM_SHIFT)
0021 #define UART_CTL_XMITBRK_SHIFT      14
0022 #define UART_CTL_XMITBRK_MASK       (1 << UART_CTL_XMITBRK_SHIFT)
0023 #define UART_CTL_RSVD_SHIFT     15
0024 #define UART_CTL_RSVD_MASK      (1 << UART_CTL_RSVD_SHIFT)
0025 #define UART_CTL_RXPAREVEN_SHIFT        16
0026 #define UART_CTL_RXPAREVEN_MASK     (1 << UART_CTL_RXPAREVEN_SHIFT)
0027 #define UART_CTL_RXPAREN_SHIFT      17
0028 #define UART_CTL_RXPAREN_MASK       (1 << UART_CTL_RXPAREN_SHIFT)
0029 #define UART_CTL_TXPAREVEN_SHIFT        18
0030 #define UART_CTL_TXPAREVEN_MASK     (1 << UART_CTL_TXPAREVEN_SHIFT)
0031 #define UART_CTL_TXPAREN_SHIFT      18
0032 #define UART_CTL_TXPAREN_MASK       (1 << UART_CTL_TXPAREN_SHIFT)
0033 #define UART_CTL_LOOPBACK_SHIFT     20
0034 #define UART_CTL_LOOPBACK_MASK      (1 << UART_CTL_LOOPBACK_SHIFT)
0035 #define UART_CTL_RXEN_SHIFT     21
0036 #define UART_CTL_RXEN_MASK      (1 << UART_CTL_RXEN_SHIFT)
0037 #define UART_CTL_TXEN_SHIFT     22
0038 #define UART_CTL_TXEN_MASK      (1 << UART_CTL_TXEN_SHIFT)
0039 #define UART_CTL_BRGEN_SHIFT        23
0040 #define UART_CTL_BRGEN_MASK     (1 << UART_CTL_BRGEN_SHIFT)
0041
0042 /* UART Baudword register */
0043 #define UART_BAUD_REG           0x4
0044
0045 /* UART Misc Control register */
0046 #define UART_MCTL_REG           0x8
0047 #define UART_MCTL_DTR_SHIFT     0
0048 #define UART_MCTL_DTR_MASK      (1 << UART_MCTL_DTR_SHIFT)
0049 #define UART_MCTL_RTS_SHIFT     1
0050 #define UART_MCTL_RTS_MASK      (1 << UART_MCTL_RTS_SHIFT)
0051 #define UART_MCTL_RXFIFOTHRESH_SHIFT    8
0052 #define UART_MCTL_RXFIFOTHRESH_MASK (0xf << UART_MCTL_RXFIFOTHRESH_SHIFT)
0053 #define UART_MCTL_TXFIFOTHRESH_SHIFT    12
0054 #define UART_MCTL_TXFIFOTHRESH_MASK (0xf << UART_MCTL_TXFIFOTHRESH_SHIFT)
0055 #define UART_MCTL_RXFIFOFILL_SHIFT  16
0056 #define UART_MCTL_RXFIFOFILL_MASK   (0x1f << UART_MCTL_RXFIFOFILL_SHIFT)
0057 #define UART_MCTL_TXFIFOFILL_SHIFT  24
0058 #define UART_MCTL_TXFIFOFILL_MASK   (0x1f << UART_MCTL_TXFIFOFILL_SHIFT)
0059
0060 /* UART External Input Configuration register */
0061 #define UART_EXTINP_REG         0xc
0062 #define UART_EXTINP_RI_SHIFT        0
0063 #define UART_EXTINP_RI_MASK     (1 << UART_EXTINP_RI_SHIFT)
0064 #define UART_EXTINP_CTS_SHIFT       1
0065 #define UART_EXTINP_CTS_MASK        (1 << UART_EXTINP_CTS_SHIFT)
0066 #define UART_EXTINP_DCD_SHIFT       2
0067 #define UART_EXTINP_DCD_MASK        (1 << UART_EXTINP_DCD_SHIFT)
0068 #define UART_EXTINP_DSR_SHIFT       3
0069 #define UART_EXTINP_DSR_MASK        (1 << UART_EXTINP_DSR_SHIFT)
0070 #define UART_EXTINP_IRSTAT(x)       (1 << (x + 4))
0071 #define UART_EXTINP_IRMASK(x)       (1 << (x + 8))
0072 #define UART_EXTINP_IR_RI       0
0073 #define UART_EXTINP_IR_CTS      1
0074 #define UART_EXTINP_IR_DCD      2
0075 #define UART_EXTINP_IR_DSR      3
0076 #define UART_EXTINP_RI_NOSENSE_SHIFT    16
0077 #define UART_EXTINP_RI_NOSENSE_MASK (1 << UART_EXTINP_RI_NOSENSE_SHIFT)
0078 #define UART_EXTINP_CTS_NOSENSE_SHIFT   17
0079 #define UART_EXTINP_CTS_NOSENSE_MASK    (1 << UART_EXTINP_CTS_NOSENSE_SHIFT)
0080 #define UART_EXTINP_DCD_NOSENSE_SHIFT   18
0081 #define UART_EXTINP_DCD_NOSENSE_MASK    (1 << UART_EXTINP_DCD_NOSENSE_SHIFT)
0082 #define UART_EXTINP_DSR_NOSENSE_SHIFT   19
0083 #define UART_EXTINP_DSR_NOSENSE_MASK    (1 << UART_EXTINP_DSR_NOSENSE_SHIFT)
0084
0085 /* UART Interrupt register */
0086 #define UART_IR_REG         0x10
0087 #define UART_IR_MASK(x)         (1 << (x + 16))
0088 #define UART_IR_STAT(x)         (1 << (x))
0089 #define UART_IR_EXTIP           0
0090 #define UART_IR_TXUNDER         1
0091 #define UART_IR_TXOVER          2
0092 #define UART_IR_TXTRESH         3
0093 #define UART_IR_TXRDLATCH       4
0094 #define UART_IR_TXEMPTY         5
0095 #define UART_IR_RXUNDER         6
0096 #define UART_IR_RXOVER          7
0097 #define UART_IR_RXTIMEOUT       8
0098 #define UART_IR_RXFULL          9
0099 #define UART_IR_RXTHRESH        10
0100 #define UART_IR_RXNOTEMPTY      11
0101 #define UART_IR_RXFRAMEERR      12
0102 #define UART_IR_RXPARERR        13
0103 #define UART_IR_RXBRK           14
0104 #define UART_IR_TXDONE          15
0105
0106 /* UART Fifo register */
0107 #define UART_FIFO_REG           0x14
0108 #define UART_FIFO_VALID_SHIFT       0
0109 #define UART_FIFO_VALID_MASK        0xff
0110 #define UART_FIFO_FRAMEERR_SHIFT    8
0111 #define UART_FIFO_FRAMEERR_MASK     (1 << UART_FIFO_FRAMEERR_SHIFT)
0112 #define UART_FIFO_PARERR_SHIFT      9
0113 #define UART_FIFO_PARERR_MASK       (1 << UART_FIFO_PARERR_SHIFT)
0114 #define UART_FIFO_BRKDET_SHIFT      10
0115 #define UART_FIFO_BRKDET_MASK       (1 << UART_FIFO_BRKDET_SHIFT)
0116 #define UART_FIFO_ANYERR_MASK       (UART_FIFO_FRAMEERR_MASK |  \
0117                     UART_FIFO_PARERR_MASK |     \
0118                     UART_FIFO_BRKDET_MASK)
0119
0120 #endif /* _LINUX_SERIAL_BCM63XX_H */