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Mike Frysinger66c4cf42008-02-04 19:26:55 -05001/*
2 * UART Masks
3 */
4
5#ifndef __BFIN_PERIPHERAL_UART__
6#define __BFIN_PERIPHERAL_UART__
7
8/* UARTx_LCR Masks */
9#define WLS 0x03 /* Word Length Select */
10#define WLS_5 0x00 /* 5 bit word */
11#define WLS_6 0x01 /* 6 bit word */
12#define WLS_7 0x02 /* 7 bit word */
13#define WLS_8 0x03 /* 8 bit word */
14#define STB 0x04 /* Stop Bits */
15#define PEN 0x08 /* Parity Enable */
16#define EPS 0x10 /* Even Parity Select */
17#define STP 0x20 /* Stick Parity */
18#define SB 0x40 /* Set Break */
19#define DLAB 0x80 /* Divisor Latch Access */
20
21#define DLAB_P 0x07
22#define SB_P 0x06
23#define STP_P 0x05
24#define EPS_P 0x04
25#define PEN_P 0x03
26#define STB_P 0x02
27#define WLS_P1 0x01
28#define WLS_P0 0x00
29
30/* UARTx_MCR Mask */
31#define XOFF 0x01 /* Transmitter off */
32#define MRTS 0x02 /* Manual Request to Send */
33#define RFIT 0x04 /* Receive FIFO IRQ Threshold */
34#define RFRT 0x08 /* Receive FIFO RTS Threshold */
35#define LOOP_ENA 0x10 /* Loopback Mode Enable */
36#define FCPOL 0x20 /* Flow Control Pin Polarity */
37#define ARTS 0x40 /* Auto RTS generation for RX handshake */
38#define ACTS 0x80 /* Auto CTS operation for TX handshake */
39
40#define XOFF_P 0
41#define MRTS_P 1
42#define RFIT_P 2
43#define RFRT_P 3
44#define LOOP_ENA_P 4
45#define FCPOL_P 5
46#define ARTS_P 6
47#define ACTS_P 7
48
49/* UARTx_LSR Masks */
50#define DR 0x01 /* Data Ready */
51#define OE 0x02 /* Overrun Error */
52#define PE 0x04 /* Parity Error */
53#define FE 0x08 /* Framing Error */
54#define BI 0x10 /* Break Interrupt */
55#define THRE 0x20 /* THR Empty */
56#define TEMT 0x40 /* TSR and UART_THR Empty */
57
58#define DR_P 0x00
59#define OE_P 0x01
60#define PE_P 0x02
61#define FE_P 0x03
62#define BI_P 0x04
63#define THRE_P 0x05
64#define TEMT_P 0x06
65
66/* UARTx_IER Masks */
67#define ERBFI 0x01 /* Enable Receive Buffer Full Interrupt */
68#define ETBEI 0x02 /* Enable Transmit Buffer Empty Interrupt */
69#define ELSI 0x04 /* Enable RX Status Interrupt */
70
71#define ERBFI_P 0x00
72#define ETBEI_P 0x01
73#define ELSI_P 0x02
74
75/* UARTx_IIR Masks */
76#define NINT 0x01 /* Pending Interrupt */
77#define STATUS 0x06 /* Highest Priority Pending Interrupt */
78
79#define NINT_P 0x00
80#define STATUS_P0 0x01
81#define STATUS_P1 0x02
82
83/* UARTx_GCTL Masks */
84#define UCEN 0x01 /* Enable UARTx Clocks */
85#define IREN 0x02 /* Enable IrDA Mode */
86#define TPOLC 0x04 /* IrDA TX Polarity Change */
87#define RPOLC 0x08 /* IrDA RX Polarity Change */
88#define FPE 0x10 /* Force Parity Error On Transmit */
89#define FFE 0x20 /* Force Framing Error On Transmit */
90
91#define UCEN_P 0x00
92#define IREN_P 0x01
93#define TPOLC_P 0x02
94#define RPOLC_P 0x03
95#define FPE_P 0x04
96#define FFE_P 0x05
97
98#endif