Merge patch series "RISC-V: Probe for misaligned access speed"
[platform/kernel/linux-starfive.git] / include / linux / serial_bcm63xx.h
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 */