/*----------------------------------------------------------------
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/*----------------------------------------------------------------
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// //
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// //
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// boot-loader-ethmac.c //
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// boot-loader-ethmac.c //
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// //
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// //
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// This file is part of the Amber project //
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// This file is part of the Amber project //
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// http://www.opencores.org/project,amber //
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// http://www.opencores.org/project,amber //
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// //
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// //
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// Description //
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// Description //
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// The main functions for the boot loader application. This //
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// The main functions for the boot loader application. This //
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// application is embedded in the FPGA's SRAM and is used //
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// application is embedded in the FPGA's SRAM and is used //
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// to load larger applications into the DDR3 memory on //
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// to load larger applications into the DDR3 memory on //
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// the development board. //
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// the development board. //
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// //
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// //
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// Author(s): //
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// Author(s): //
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// - Conor Santifort, csantifort.amber@gmail.com //
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// - Conor Santifort, csantifort.amber@gmail.com //
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// //
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// //
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//////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////
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// //
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// //
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// Copyright (C) 2010-2013 Authors and OPENCORES.ORG //
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// Copyright (C) 2010-2013 Authors and OPENCORES.ORG //
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// //
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// //
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// This source file may be used and distributed without //
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// This source file may be used and distributed without //
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// restriction provided that this copyright statement is not //
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// restriction provided that this copyright statement is not //
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// removed from the file and that any derivative work contains //
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// removed from the file and that any derivative work contains //
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// the original copyright notice and the associated disclaimer. //
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// the original copyright notice and the associated disclaimer. //
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// //
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// //
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// This source file is free software; you can redistribute it //
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// This source file is free software; you can redistribute it //
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// and/or modify it under the terms of the GNU Lesser General //
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// and/or modify it under the terms of the GNU Lesser General //
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// Public License as published by the Free Software Foundation; //
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// Public License as published by the Free Software Foundation; //
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// either version 2.1 of the License, or (at your option) any //
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// either version 2.1 of the License, or (at your option) any //
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// later version. //
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// later version. //
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// //
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// //
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// This source is distributed in the hope that it will be //
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// This source is distributed in the hope that it will be //
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// useful, but WITHOUT ANY WARRANTY; without even the implied //
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// useful, but WITHOUT ANY WARRANTY; without even the implied //
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// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR //
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// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR //
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// PURPOSE. See the GNU Lesser General Public License for more //
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// PURPOSE. See the GNU Lesser General Public License for more //
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// details. //
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// details. //
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// //
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// //
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// You should have received a copy of the GNU Lesser General //
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// You should have received a copy of the GNU Lesser General //
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// Public License along with this source; if not, download it //
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// Public License along with this source; if not, download it //
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// from http://www.opencores.org/lgpl.shtml //
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// from http://www.opencores.org/lgpl.shtml //
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// //
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// //
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----------------------------------------------------------------*/
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----------------------------------------------------------------*/
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#include "amber_registers.h"
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#include "amber_registers.h"
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#define DEBUG 1
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#ifdef DEBUG
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#define trace(fmt, args...) print_serial("%s:%s:%d: "fmt"\n\r", __FILE__, __FUNCTION__, __LINE__, args)
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#else
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#define trace(fmt, args...)
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#endif
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void init_serial()
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void init_serial()
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{
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{
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/* Enable UART 0 */
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/* Enable UART 0 */
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*(unsigned int *) ADR_AMBER_UART0_LCRH = 0x10;
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*(unsigned int *) ADR_AMBER_UART0_LCRH = 0x10;
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}
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}
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/* Add a line to the line buffer */
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/* Add a line to the line buffer */
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void print_serial(const char *fmt, ...)
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void print_serial(const char *fmt, ...)
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{
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{
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int len;
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int len;
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register unsigned long *varg = (unsigned long *)(&fmt);
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register unsigned long *varg = (unsigned long *)(&fmt);
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*varg++;
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*varg++;
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/* Need to pass a pointer to a pointer to the location to
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/* Need to pass a pointer to a pointer to the location to
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write the character, to that the pointer to the location
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write the character, to that the pointer to the location
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can be incremented by the final output function
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can be incremented by the final output function
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*/
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*/
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len = print(0, fmt, varg);
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len = print(0, fmt, varg);
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}
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}
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