arm_console.h revision 1.1.2.2 1 1.1.2.2 bouyer /* -*-C++-*- $NetBSD: arm_console.h,v 1.1.2.2 2001/02/11 19:10:00 bouyer Exp $ */
2 1.1.2.2 bouyer
3 1.1.2.2 bouyer /*-
4 1.1.2.2 bouyer * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 1.1.2.2 bouyer * All rights reserved.
6 1.1.2.2 bouyer *
7 1.1.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation
8 1.1.2.2 bouyer * by UCHIYAMA Yasushi.
9 1.1.2.2 bouyer *
10 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without
11 1.1.2.2 bouyer * modification, are permitted provided that the following conditions
12 1.1.2.2 bouyer * are met:
13 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright
14 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer.
15 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright
16 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the
17 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution.
18 1.1.2.2 bouyer * 3. All advertising materials mentioning features or use of this software
19 1.1.2.2 bouyer * must display the following acknowledgement:
20 1.1.2.2 bouyer * This product includes software developed by the NetBSD
21 1.1.2.2 bouyer * Foundation, Inc. and its contributors.
22 1.1.2.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1.2.2 bouyer * contributors may be used to endorse or promote products derived
24 1.1.2.2 bouyer * from this software without specific prior written permission.
25 1.1.2.2 bouyer *
26 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE.
37 1.1.2.2 bouyer */
38 1.1.2.2 bouyer
39 1.1.2.2 bouyer #ifndef _HPCBOOT_ARM_CONSOLE_H_
40 1.1.2.2 bouyer #define _HPCBOOT_ARM_CONSOLE_H_
41 1.1.2.2 bouyer
42 1.1.2.2 bouyer #include <hpcboot.h>
43 1.1.2.2 bouyer #include <console.h>
44 1.1.2.2 bouyer #include <memory.h>
45 1.1.2.2 bouyer
46 1.1.2.2 bouyer class ARMConsole : public SerialConsole {
47 1.1.2.2 bouyer private:
48 1.1.2.2 bouyer static ARMConsole *_instance;
49 1.1.2.2 bouyer
50 1.1.2.2 bouyer MemoryManager *&_mem;
51 1.1.2.2 bouyer vaddr_t _uart_base;
52 1.1.2.2 bouyer vaddr_t _uart_busy, _uart_transmit;
53 1.1.2.2 bouyer
54 1.1.2.2 bouyer private:
55 1.1.2.2 bouyer ARMConsole(MemoryManager *& mem) : _mem(mem) { /* NO-OP */ }
56 1.1.2.2 bouyer
57 1.1.2.2 bouyer virtual ~ARMConsole() {
58 1.1.2.2 bouyer _mem->unmapPhysicalPage(_uart_base);
59 1.1.2.2 bouyer }
60 1.1.2.2 bouyer
61 1.1.2.2 bouyer void __tx_busy(void) {
62 1.1.2.2 bouyer u_int8_t reg;
63 1.1.2.2 bouyer do
64 1.1.2.2 bouyer reg = VOLATILE_REF8(_uart_busy);
65 1.1.2.2 bouyer while ((reg & 0x1) == 0x1 ||(reg & 0x4) == 0);
66 1.1.2.2 bouyer }
67 1.1.2.2 bouyer
68 1.1.2.2 bouyer void __putc(const char s) {
69 1.1.2.2 bouyer __tx_busy(); // wait until previous transmit done.
70 1.1.2.2 bouyer VOLATILE_REF8(_uart_transmit) = static_cast <u_int8_t>(0xff & s);
71 1.1.2.2 bouyer }
72 1.1.2.2 bouyer
73 1.1.2.2 bouyer public:
74 1.1.2.2 bouyer static ARMConsole *Instance(MemoryManager *&);
75 1.1.2.2 bouyer static void Destroy(void);
76 1.1.2.2 bouyer virtual BOOL init(void);
77 1.1.2.2 bouyer virtual void print(const TCHAR *fmt, ...);
78 1.1.2.2 bouyer };
79 1.1.2.2 bouyer #endif //_HPCBOOT_ARM_CONSOLE_H_
80