2 * U-boot bf537_serial.h
4 * Copyright (c) 2005 blackfin.uclinux.org
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,
25 #ifndef _BF537_SERIAL_H_
26 #define _BF537_SERIAL_H_
28 #define BYTE_REF(addr) (*((volatile char*)addr))
29 #define HALFWORD_REF(addr) (*((volatile short*)addr))
30 #define WORD_REF(addr) (*((volatile long*)addr))
32 #define UART_THR_LO HALFWORD_REF(UART_THR)
33 #define UART_RBR_LO HALFWORD_REF(UART_RBR)
34 #define UART_DLL_LO HALFWORD_REF(UART_DLL)
35 #define UART_IER_LO HALFWORD_REF(UART_IER)
36 #define UART_IER_ERBFI 0x01
37 #define UART_IER_ETBEI 0x02
38 #define UART_IER_ELSI 0x04
39 #define UART_IER_EDDSI 0x08
41 #define UART_DLH_LO HALFWORD_REF(UART_DLH)
42 #define UART_IIR_LO HALFWORD_REF(UART_IIR)
43 #define UART_IIR_NOINT 0x01
44 #define UART_IIR_STATUS 0x06
45 #define UART_IIR_LSR 0x06
46 #define UART_IIR_RBR 0x04
47 #define UART_IIR_THR 0x02
48 #define UART_IIR_MSR 0x00
50 #define UART_LCR_LO HALFWORD_REF(UART_LCR)
51 #define UART_LCR_WLS5 0
52 #define UART_LCR_WLS6 0x01
53 #define UART_LCR_WLS7 0x02
54 #define UART_LCR_WLS8 0x03
55 #define UART_LCR_STB 0x04
56 #define UART_LCR_PEN 0x08
57 #define UART_LCR_EPS 0x10
58 #define UART_LCR_SP 0x20
59 #define UART_LCR_SB 0x40
60 #define UART_LCR_DLAB 0x80
62 #define UART_MCR_LO HALFWORD_REF(UART_MCR)
64 #define UART_LSR_LO HALFWORD_REF(UART_LSR)
65 #define UART_LSR_DR 0x01
66 #define UART_LSR_OE 0x02
67 #define UART_LSR_PE 0x04
68 #define UART_LSR_FE 0x08
69 #define UART_LSR_BI 0x10
70 #define UART_LSR_THRE 0x20
71 #define UART_LSR_TEMT 0x40
73 #define UART_MSR_LO HALFWORD_REF(UART_MSR)
74 #define UART_SCR_LO HALFWORD_REF(UART_SCR)
75 #define UART_GCTL_LO HALFWORD_REF(UART_GCTL)
76 #define UART_GCTL_UCEN 0x01