2 * (C) Copyright 2003, 2004
4 * Philippe Robin, <philippe.robin@arm.com>
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 * ARM PrimeCell UART's (PL010 & PL011)
27 * ------------------------------------
29 * Definitions common to both PL010 & PL011
35 * We can use a combined structure for PL010 and PL011, because they overlap
36 * only in common registers.
39 u32 dr; /* 0x00 Data register */
40 u32 ecr; /* 0x04 Error clear register (Write) */
41 u32 pl010_lcrh; /* 0x08 Line control register, high byte */
42 u32 pl010_lcrm; /* 0x0C Line control register, middle byte */
43 u32 pl010_lcrl; /* 0x10 Line control register, low byte */
44 u32 pl010_cr; /* 0x14 Control register */
45 u32 fr; /* 0x18 Flag register (Read only) */
46 #ifdef CONFIG_PL011_SERIAL_RLCR
47 u32 pl011_rlcr; /* 0x1c Receive line control register */
51 u32 ilpr; /* 0x20 IrDA low-power counter register */
52 u32 pl011_ibrd; /* 0x24 Integer baud rate register */
53 u32 pl011_fbrd; /* 0x28 Fractional baud rate register */
54 u32 pl011_lcrh; /* 0x2C Line control register */
55 u32 pl011_cr; /* 0x30 Control register */
59 #define UART_PL01x_RSR_OE 0x08
60 #define UART_PL01x_RSR_BE 0x04
61 #define UART_PL01x_RSR_PE 0x02
62 #define UART_PL01x_RSR_FE 0x01
64 #define UART_PL01x_FR_TXFE 0x80
65 #define UART_PL01x_FR_RXFF 0x40
66 #define UART_PL01x_FR_TXFF 0x20
67 #define UART_PL01x_FR_RXFE 0x10
68 #define UART_PL01x_FR_BUSY 0x08
69 #define UART_PL01x_FR_TMSK (UART_PL01x_FR_TXFF + UART_PL01x_FR_BUSY)
75 #define UART_PL010_CR_LPE (1 << 7)
76 #define UART_PL010_CR_RTIE (1 << 6)
77 #define UART_PL010_CR_TIE (1 << 5)
78 #define UART_PL010_CR_RIE (1 << 4)
79 #define UART_PL010_CR_MSIE (1 << 3)
80 #define UART_PL010_CR_IIRLP (1 << 2)
81 #define UART_PL010_CR_SIREN (1 << 1)
82 #define UART_PL010_CR_UARTEN (1 << 0)
84 #define UART_PL010_LCRH_WLEN_8 (3 << 5)
85 #define UART_PL010_LCRH_WLEN_7 (2 << 5)
86 #define UART_PL010_LCRH_WLEN_6 (1 << 5)
87 #define UART_PL010_LCRH_WLEN_5 (0 << 5)
88 #define UART_PL010_LCRH_FEN (1 << 4)
89 #define UART_PL010_LCRH_STP2 (1 << 3)
90 #define UART_PL010_LCRH_EPS (1 << 2)
91 #define UART_PL010_LCRH_PEN (1 << 1)
92 #define UART_PL010_LCRH_BRK (1 << 0)
95 #define UART_PL010_BAUD_460800 1
96 #define UART_PL010_BAUD_230400 3
97 #define UART_PL010_BAUD_115200 7
98 #define UART_PL010_BAUD_57600 15
99 #define UART_PL010_BAUD_38400 23
100 #define UART_PL010_BAUD_19200 47
101 #define UART_PL010_BAUD_14400 63
102 #define UART_PL010_BAUD_9600 95
103 #define UART_PL010_BAUD_4800 191
104 #define UART_PL010_BAUD_2400 383
105 #define UART_PL010_BAUD_1200 767
110 #define UART_PL011_LCRH_SPS (1 << 7)
111 #define UART_PL011_LCRH_WLEN_8 (3 << 5)
112 #define UART_PL011_LCRH_WLEN_7 (2 << 5)
113 #define UART_PL011_LCRH_WLEN_6 (1 << 5)
114 #define UART_PL011_LCRH_WLEN_5 (0 << 5)
115 #define UART_PL011_LCRH_FEN (1 << 4)
116 #define UART_PL011_LCRH_STP2 (1 << 3)
117 #define UART_PL011_LCRH_EPS (1 << 2)
118 #define UART_PL011_LCRH_PEN (1 << 1)
119 #define UART_PL011_LCRH_BRK (1 << 0)
121 #define UART_PL011_CR_CTSEN (1 << 15)
122 #define UART_PL011_CR_RTSEN (1 << 14)
123 #define UART_PL011_CR_OUT2 (1 << 13)
124 #define UART_PL011_CR_OUT1 (1 << 12)
125 #define UART_PL011_CR_RTS (1 << 11)
126 #define UART_PL011_CR_DTR (1 << 10)
127 #define UART_PL011_CR_RXE (1 << 9)
128 #define UART_PL011_CR_TXE (1 << 8)
129 #define UART_PL011_CR_LPE (1 << 7)
130 #define UART_PL011_CR_IIRLP (1 << 2)
131 #define UART_PL011_CR_SIREN (1 << 1)
132 #define UART_PL011_CR_UARTEN (1 << 0)
134 #define UART_PL011_IMSC_OEIM (1 << 10)
135 #define UART_PL011_IMSC_BEIM (1 << 9)
136 #define UART_PL011_IMSC_PEIM (1 << 8)
137 #define UART_PL011_IMSC_FEIM (1 << 7)
138 #define UART_PL011_IMSC_RTIM (1 << 6)
139 #define UART_PL011_IMSC_TXIM (1 << 5)
140 #define UART_PL011_IMSC_RXIM (1 << 4)
141 #define UART_PL011_IMSC_DSRMIM (1 << 3)
142 #define UART_PL011_IMSC_DCDMIM (1 << 2)
143 #define UART_PL011_IMSC_CTSMIM (1 << 1)
144 #define UART_PL011_IMSC_RIMIM (1 << 0)