2 * (C) Copyright 2003, 2004
4 * Philippe Robin, <philippe.robin@arm.com>
6 * SPDX-License-Identifier: GPL-2.0+
10 * ARM PrimeCell UART's (PL010 & PL011)
11 * ------------------------------------
13 * Definitions common to both PL010 & PL011
19 * We can use a combined structure for PL010 and PL011, because they overlap
20 * only in common registers.
23 u32 dr; /* 0x00 Data register */
24 u32 ecr; /* 0x04 Error clear register (Write) */
25 u32 pl010_lcrh; /* 0x08 Line control register, high byte */
26 u32 pl010_lcrm; /* 0x0C Line control register, middle byte */
27 u32 pl010_lcrl; /* 0x10 Line control register, low byte */
28 u32 pl010_cr; /* 0x14 Control register */
29 u32 fr; /* 0x18 Flag register (Read only) */
30 #ifdef CONFIG_PL011_SERIAL_RLCR
31 u32 pl011_rlcr; /* 0x1c Receive line control register */
35 u32 ilpr; /* 0x20 IrDA low-power counter register */
36 u32 pl011_ibrd; /* 0x24 Integer baud rate register */
37 u32 pl011_fbrd; /* 0x28 Fractional baud rate register */
38 u32 pl011_lcrh; /* 0x2C Line control register */
39 u32 pl011_cr; /* 0x30 Control register */
42 #ifdef CONFIG_DM_SERIAL
44 int pl01x_serial_ofdata_to_platdata(struct udevice *dev);
45 int pl01x_serial_probe(struct udevice *dev);
47 /* Needed for external pl01x_serial_ops drivers */
48 int pl01x_serial_putc(struct udevice *dev, const char ch);
49 int pl01x_serial_pending(struct udevice *dev, bool input);
50 int pl01x_serial_getc(struct udevice *dev);
51 int pl01x_serial_setbrg(struct udevice *dev, int baudrate);
54 struct pl01x_regs *regs;
58 #endif /* CONFIG_DM_SERIAL */
59 #endif /* !__ASSEMBLY__ */
61 #define UART_PL01x_RSR_OE 0x08
62 #define UART_PL01x_RSR_BE 0x04
63 #define UART_PL01x_RSR_PE 0x02
64 #define UART_PL01x_RSR_FE 0x01
66 #define UART_PL01x_FR_TXFE 0x80
67 #define UART_PL01x_FR_RXFF 0x40
68 #define UART_PL01x_FR_TXFF 0x20
69 #define UART_PL01x_FR_RXFE 0x10
70 #define UART_PL01x_FR_BUSY 0x08
71 #define UART_PL01x_FR_TMSK (UART_PL01x_FR_TXFF + UART_PL01x_FR_BUSY)
77 #define UART_PL010_CR_LPE (1 << 7)
78 #define UART_PL010_CR_RTIE (1 << 6)
79 #define UART_PL010_CR_TIE (1 << 5)
80 #define UART_PL010_CR_RIE (1 << 4)
81 #define UART_PL010_CR_MSIE (1 << 3)
82 #define UART_PL010_CR_IIRLP (1 << 2)
83 #define UART_PL010_CR_SIREN (1 << 1)
84 #define UART_PL010_CR_UARTEN (1 << 0)
86 #define UART_PL010_LCRH_WLEN_8 (3 << 5)
87 #define UART_PL010_LCRH_WLEN_7 (2 << 5)
88 #define UART_PL010_LCRH_WLEN_6 (1 << 5)
89 #define UART_PL010_LCRH_WLEN_5 (0 << 5)
90 #define UART_PL010_LCRH_FEN (1 << 4)
91 #define UART_PL010_LCRH_STP2 (1 << 3)
92 #define UART_PL010_LCRH_EPS (1 << 2)
93 #define UART_PL010_LCRH_PEN (1 << 1)
94 #define UART_PL010_LCRH_BRK (1 << 0)
97 #define UART_PL010_BAUD_460800 1
98 #define UART_PL010_BAUD_230400 3
99 #define UART_PL010_BAUD_115200 7
100 #define UART_PL010_BAUD_57600 15
101 #define UART_PL010_BAUD_38400 23
102 #define UART_PL010_BAUD_19200 47
103 #define UART_PL010_BAUD_14400 63
104 #define UART_PL010_BAUD_9600 95
105 #define UART_PL010_BAUD_4800 191
106 #define UART_PL010_BAUD_2400 383
107 #define UART_PL010_BAUD_1200 767
112 #define UART_PL011_LCRH_SPS (1 << 7)
113 #define UART_PL011_LCRH_WLEN_8 (3 << 5)
114 #define UART_PL011_LCRH_WLEN_7 (2 << 5)
115 #define UART_PL011_LCRH_WLEN_6 (1 << 5)
116 #define UART_PL011_LCRH_WLEN_5 (0 << 5)
117 #define UART_PL011_LCRH_FEN (1 << 4)
118 #define UART_PL011_LCRH_STP2 (1 << 3)
119 #define UART_PL011_LCRH_EPS (1 << 2)
120 #define UART_PL011_LCRH_PEN (1 << 1)
121 #define UART_PL011_LCRH_BRK (1 << 0)
123 #define UART_PL011_CR_CTSEN (1 << 15)
124 #define UART_PL011_CR_RTSEN (1 << 14)
125 #define UART_PL011_CR_OUT2 (1 << 13)
126 #define UART_PL011_CR_OUT1 (1 << 12)
127 #define UART_PL011_CR_RTS (1 << 11)
128 #define UART_PL011_CR_DTR (1 << 10)
129 #define UART_PL011_CR_RXE (1 << 9)
130 #define UART_PL011_CR_TXE (1 << 8)
131 #define UART_PL011_CR_LPE (1 << 7)
132 #define UART_PL011_CR_IIRLP (1 << 2)
133 #define UART_PL011_CR_SIREN (1 << 1)
134 #define UART_PL011_CR_UARTEN (1 << 0)
136 #define UART_PL011_IMSC_OEIM (1 << 10)
137 #define UART_PL011_IMSC_BEIM (1 << 9)
138 #define UART_PL011_IMSC_PEIM (1 << 8)
139 #define UART_PL011_IMSC_FEIM (1 << 7)
140 #define UART_PL011_IMSC_RTIM (1 << 6)
141 #define UART_PL011_IMSC_TXIM (1 << 5)
142 #define UART_PL011_IMSC_RXIM (1 << 4)
143 #define UART_PL011_IMSC_DSRMIM (1 << 3)
144 #define UART_PL011_IMSC_DCDMIM (1 << 2)
145 #define UART_PL011_IMSC_CTSMIM (1 << 1)
146 #define UART_PL011_IMSC_RIMIM (1 << 0)