source: trunk/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar933x_uart.h @ 27222

Last change on this file since 27222 was 27222, checked in by juhosg, 5 years ago

ar71xx: cleanup AR933X UART driver

  • Property svn:eol-style set to native
File size: 2.2 KB
Line 
1/*
2 *  Atheros AR933X UART defines
3 *
4 *  Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
5 *
6 *  This program is free software; you can redistribute it and/or modify it
7 *  under the terms of the GNU General Public License version 2 as published
8 *  by the Free Software Foundation.
9 */
10
11#ifndef __AR933X_UART_H
12#define __AR933X_UART_H
13
14#define AR933X_UART_REGS_SIZE           20
15#define AR933X_UART_FIFO_SIZE           16
16
17#define AR933X_UART_DATA_REG            0x00
18#define AR933X_UART_CS_REG              0x04
19#define AR933X_UART_CLOCK_REG           0x08
20#define AR933X_UART_INT_REG             0x0c
21#define AR933X_UART_INT_EN_REG          0x10
22
23#define AR933X_UART_DATA_TX_RX_MASK     0xff
24#define AR933X_UART_DATA_RX_CSR         BIT(8)
25#define AR933X_UART_DATA_TX_CSR         BIT(9)
26
27#define AR933X_UART_CS_PARITY_S         0
28#define AR933X_UART_CS_PARITY_M         0x3
29#define   AR933X_UART_CS_PARITY_NONE    0
30#define   AR933X_UART_CS_PARITY_ODD     1
31#define   AR933X_UART_CS_PARITY_EVEN    2
32#define AR933X_UART_CS_IF_MODE_S        2
33#define AR933X_UART_CS_IF_MODE_M        0x3
34#define   AR933X_UART_CS_IF_MODE_NONE   0
35#define   AR933X_UART_CS_IF_MODE_DTE    1
36#define   AR933X_UART_CS_IF_MODE_DCE    2
37#define AR933X_UART_CS_FLOW_CTRL_S      4
38#define AR933X_UART_CS_FLOW_CTRL_M      0x3
39#define AR933X_UART_CS_DMA_EN           BIT(6)
40#define AR933X_UART_CS_TX_READY_ORIDE   BIT(7)
41#define AR933X_UART_CS_RX_READY_ORIDE   BIT(8)
42#define AR933X_UART_CS_TX_READY         BIT(9)
43#define AR933X_UART_CS_RX_BREAK         BIT(10)
44#define AR933X_UART_CS_TX_BREAK         BIT(11)
45#define AR933X_UART_CS_HOST_INT         BIT(12)
46#define AR933X_UART_CS_HOST_INT_EN      BIT(13)
47#define AR933X_UART_CS_TX_BUSY          BIT(14)
48#define AR933X_UART_CS_RX_BUSY          BIT(15)
49
50#define AR933X_UART_CLOCK_STEP_M        0xffff
51#define AR933X_UART_CLOCK_SCALE_M       0xfff
52#define AR933X_UART_CLOCK_SCALE_S       16
53#define AR933X_UART_CLOCK_STEP_M        0xffff
54
55#define AR933X_UART_INT_RX_VALID        BIT(0)
56#define AR933X_UART_INT_TX_READY        BIT(1)
57#define AR933X_UART_INT_RX_FRAMING_ERR  BIT(2)
58#define AR933X_UART_INT_RX_OFLOW_ERR    BIT(3)
59#define AR933X_UART_INT_TX_OFLOW_ERR    BIT(4)
60#define AR933X_UART_INT_RX_PARITY_ERR   BIT(5)
61#define AR933X_UART_INT_RX_BREAK_ON     BIT(6)
62#define AR933X_UART_INT_RX_BREAK_OFF    BIT(7)
63#define AR933X_UART_INT_RX_FULL         BIT(8)
64#define AR933X_UART_INT_TX_EMPTY        BIT(9)
65#define AR933X_UART_INT_ALLINTS         0x3ff
66
67#endif /* __AR933X_UART_H */
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