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/*
* (C) Copyright 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program 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 2 of
* the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#ifdef CONFIG_POST
/*
* I2C test
*
* For verifying the I2C bus, a full I2C bus scanning is performed.
* If any I2C device is found, the test is considered as passed,
* otherwise failed.
*/
#include <post.h>
#include <i2c.h>
#if CONFIG_POST & CFG_POST_I2C
int i2c_post_test (int flags)
{
unsigned int i;
unsigned int chips = 0;
for (i = 0; i < 128; i++) {
if (i2c_probe (i) == 0)
chips++;
}
return chips > 0 ? 0 : -1;
}
#endif /* CONFIG_POST & CFG_POST_I2C */
#endif /* CONFIG_POST */
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