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Wolfgang Denk97caf672006-03-12 02:12:27 +01001/*
2 * U-boot bf533_serial.h
3 *
4 * Copyright (c) 2005 blackfin.uclinux.org
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
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.
13 *
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.
18 *
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,
22 * MA 02111-1307 USA
23 */
24
25
26#ifndef _BF533_SERIAL_H_
27#define _BF533_SERIAL_H_
28
29#define BYTE_REF(addr) (*((volatile char*)addr))
30#define HALFWORD_REF(addr) (*((volatile short*)addr))
31#define WORD_REF(addr) (*((volatile long*)addr))
32
33#define UART_THR_LO HALFWORD_REF(UART_THR)
34#define UART_RBR_LO HALFWORD_REF(UART_RBR)
35#define UART_DLL_LO HALFWORD_REF(UART_DLL)
36#define UART_IER_LO HALFWORD_REF(UART_IER)
37#define UART_IER_ERBFI 0x01
38#define UART_IER_ETBEI 0x02
39#define UART_IER_ELSI 0x04
40#define UART_IER_EDDSI 0x08
41
42#define UART_DLH_LO HALFWORD_REF(UART_DLH)
43#define UART_IIR_LO HALFWORD_REF(UART_IIR)
44#define UART_IIR_NOINT 0x01
45#define UART_IIR_STATUS 0x06
46#define UART_IIR_LSR 0x06
47#define UART_IIR_RBR 0x04
48#define UART_IIR_THR 0x02
49#define UART_IIR_MSR 0x00
50
51#define UART_LCR_LO HALFWORD_REF(UART_LCR)
52#define UART_LCR_WLS5 0
53#define UART_LCR_WLS6 0x01
54#define UART_LCR_WLS7 0x02
55#define UART_LCR_WLS8 0x03
56#define UART_LCR_STB 0x04
57#define UART_LCR_PEN 0x08
58#define UART_LCR_EPS 0x10
59#define UART_LCR_SP 0x20
60#define UART_LCR_SB 0x40
61#define UART_LCR_DLAB 0x80
62
63#define UART_MCR_LO HALFWORD_REF(UART_MCR)
64
65#define UART_LSR_LO HALFWORD_REF(UART_LSR)
66#define UART_LSR_DR 0x01
67#define UART_LSR_OE 0x02
68#define UART_LSR_PE 0x04
69#define UART_LSR_FE 0x08
70#define UART_LSR_BI 0x10
71#define UART_LSR_THRE 0x20
72#define UART_LSR_TEMT 0x40
73
74#define UART_MSR_LO HALFWORD_REF(UART_MSR)
75#define UART_SCR_LO HALFWORD_REF(UART_SCR)
76#define UART_GCTL_LO HALFWORD_REF(UART_GCTL)
77#define UART_GCTL_UCEN 0x01
78
79#endif