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/*
* Copyright (c) 2008 Carsten Schlote <c.schlote@konzeptpark.de>
* See file CREDITS for list of people who contributed to this project.
*
* This file is part of U-Boot V2.
*
* U-Boot V2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* U-Boot V2 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with U-Boot V2. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file
* Debug output stubs over BDM for Codewarrior
*/
#include <common.h>
#include <command.h>
#include <console.h>
#include <reloc.h>
#include <init.h>
#ifdef CONFIG_HAS_EARLY_INIT
#if 0 // FIXME - make a CW debug port serial driver for u-boot
/*
* The result of an I/O command can be any one of the following.
*/
typedef enum DSIOResult
{
kDSIONoError = 0x00,
kDSIOError = 0x01,
kDSIOEOF = 0x02
} DSIOResult;
/*
* MessageCommandID
*/
typedef enum MessageCommandID
{
/*
* target->host support commands
*/
kDSWriteFile = 0xD0, /* L2 L3 */
kDSReadFile = 0xD1 /* L2 L3 */
} MessageCommandID;
enum DSIOResult TransferData(
MessageCommandID msg,
unsigned char *buffer, int size,
int * txsize
)
{
enum DSIOResult iores = kDSIOError;
unsigned long sized2=0;
/* -- Call codewarrior stub -- */
__asm__ __volatile__ (
" move.l %[cmd],%%d0 \n"
" move.l #0,%%d1 \n"
" move.l %[size],%%d2 \n"
" move.l %[buffer],%%d3 \n"
" trap #14 \n"
" move.l %%d1,%[txsize] \n"
" move.l %%d0,%[res] \n"
: [res] "=r" (iores), [txsize] "=g" (sized2)
: [cmd] "g" (msg), [size] "g" (size), [buffer] "g" (buffer)
: "d2","d3" );
if (txsize!=NULL) *txsize=sized2;
return iores;
}
void *get_early_console_base(const char *name)
{
return (void*)0xdeadbeef;
}
static unsigned char early_iobuffer[80];
static int early_iobuffer_cnt;
void early_console_putc(void *base, char c)
{
early_iobuffer[early_iobuffer_cnt++] = c;
if ( ( early_iobuffer_cnt >= sizeof(early_iobuffer)) ||
(c == '\n') )
{
TransferData(kDSWriteFile,early_iobuffer,early_iobuffer_cnt, NULL);
early_iobuffer_cnt = 0;
}
}
void early_console_init(void *base, int baudrate)
{
early_iobuffer_cnt = 0;
}
//void early_console_start(const char *name, int baudrate)
//{
//}
#endif
#endif
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