ar71xx: update early_printk code
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files / arch / mips / include / asm / mach-ar71xx / ar933x_uart.h
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_DATA_REG 0x00
15 #define AR933X_UART_CS_REG 0x04
16 #define AR933X_UART_CLOCK_REG 0x08
17 #define AR933X_UART_INT_REG 0x0c
18 #define AR933X_UART_INT_EN_REG 0x10
19
20 #define AR933X_UART_DATA_TX_RX_MASK 0xff
21 #define AR933X_UART_DATA_RX_CSR BIT(8)
22 #define AR933X_UART_DATA_TX_CSR BIT(9)
23
24 #define AR933X_UART_CS_PARITY_S 0
25 #define AR933X_UART_CS_PARITY_M 0x3
26 #define AR933X_UART_CS_PARITY_M 0x3
27 #define AR933X_UART_CS_IF_MODE_S 2
28 #define AR933X_UART_CS_IF_MODE_M 0x3
29 #define AR933X_UART_CS_FLOW_CTRL_S 4
30 #define AR933X_UART_CS_FLOW_CTRL_M 0x3
31 #define AR933X_UART_CS_DMA_EN BIT(6)
32 #define AR933X_UART_CS_TX_READY_ORIDE BIT(7)
33 #define AR933X_UART_CS_RX_READY_ORIDE BIT(8)
34 #define AR933X_UART_CS_TX_READY BIT(9)
35 #define AR933X_UART_CS_RX_BREAK BIT(10)
36 #define AR933X_UART_CS_TX_BREAK BIT(11)
37 #define AR933X_UART_CS_HOST_INT BIT(12)
38 #define AR933X_UART_CS_HOST_INT_EN BIT(13)
39 #define AR933X_UART_CS_TX_BUSY BIT(14)
40 #define AR933X_UART_CS_RX_BUSY BIT(15)
41
42 #define AR933X_UART_CLOCK_STEP_M 0xffff
43 #define AR933X_UART_CLOCK_SCALE_M 0xfff
44 #define AR933X_UART_CLCOK_SCALE_S 16
45
46 #define AR933X_UART_INT_RX_VALID BIT(0)
47 #define AR933X_UART_INT_TX_READY BIT(1)
48 #define AR933X_UART_INT_RX_FRAMING_ERR BIT(2)
49 #define AR933X_UART_INT_RX_OFLOW_ERR BIT(3)
50 #define AR933X_UART_INT_TX_OFLOW_ERR BIT(4)
51 #define AR933X_UART_INT_RX_PARITY_ERR BIT(5)
52 #define AR933X_UART_INT_RX_BREAK_ON BIT(6)
53 #define AR933X_UART_INT_RX_BREAK_OFF BIT(7)
54 #define AR933X_UART_INT_RX_FULL BIT(8)
55 #define AR933X_UART_INT_TX_EMPTY BIT(9)
56 #define AR933X_UART_INT_ALLINTS 0x3ff
57
58 #endif /* __AR933X_UART_H */