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0bd3acdf GJ |
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 | |
70342287 RB |
29 | #define AR933X_UART_CS_PARITY_NONE 0 |
30 | #define AR933X_UART_CS_PARITY_ODD 1 | |
31 | #define AR933X_UART_CS_PARITY_EVEN 2 | |
0bd3acdf GJ |
32 | #define AR933X_UART_CS_IF_MODE_S 2 |
33 | #define AR933X_UART_CS_IF_MODE_M 0x3 | |
70342287 RB |
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 | |
0bd3acdf GJ |
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 */ |