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81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
/* -*-C++-*- $NetBSD: arm_sa1100_console.h,v 1.1 2008/03/08 02:26:03 rafal Exp $ */
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/*-
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Rafal K. Boni.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _HPCBOOT_ARM_SA1100_CONSOLE_H_
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#define _HPCBOOT_ARM_SA1100_CONSOLE_H_
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#include <hpcboot.h>
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#include <memory.h>
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#include <arm/arm_console.h>
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class SA1100Console : public ARMConsole {
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friend class ARMConsole;
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private:
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MemoryManager *&_mem;
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vaddr_t _uart_base;
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private:
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SA1100Console(MemoryManager *& mem) : _mem(mem), _uart_base(~0) { }
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virtual ~SA1100Console() {
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if (_uart_base != ~0)
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_mem->unmapPhysicalPage(_uart_base);
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}
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void __tx_busy(void) {
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uint8_t reg;
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do
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reg = VOLATILE_REF8(_uart_base + 0x20);
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while ((reg & 0x1) == 0x1 ||(reg & 0x4) == 0);
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}
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virtual void __putc(const char s) {
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__tx_busy(); // wait until previous transmit done.
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VOLATILE_REF8(_uart_base + 0x14) =
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static_cast <uint8_t>(0xff & s);
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}
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public:
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virtual BOOL init(void) {
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if (!SerialConsole::init())
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return FALSE;
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_uart_base =
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_mem->mapPhysicalPage(0x80050000, 0x100, PAGE_READWRITE);
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if (_uart_base == ~0)
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return FALSE;
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return TRUE;
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}
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};
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#endif //_HPCBOOT_ARM_SA1100_CONSOLE_H_
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