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