* (C) Copyright 2000
* 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
+ * SPDX-License-Identifier: GPL-2.0+
*
* Hacked for the DB64360 board by Ingo.Assmus@keymile.com
* extra improvments by Brain Waite
#include <common.h>
#include <mpc8xx.h>
#include <malloc.h>
+#include <i2c.h>
#include "../include/mv_gen_reg.h"
#include "../include/core.h"
/* Assuming that there is only one master on the bus (us) */
-static void i2c_init (int speed, int slaveaddr)
+void i2c_init (int speed, int slaveaddr)
{
unsigned int n, m, freq, margin, power;
unsigned int actualN = 0, actualM = 0;
return 0; /* sucessful completion */
}
-uchar
+int
i2c_read (uchar dev_addr, unsigned int offset, int alen, uchar * data,
int len)
{
DP (puts ("i2c_read\n"));
- i2c_init (i2cFreq, 0); /* set the i2c frequency */
+ /* set the i2c frequency */
+ i2c_init (i2cFreq, CONFIG_SYS_I2C_SLAVE);
status = i2c_start ();
return status;
}
- i2c_init (i2cFreq, 0); /* set the i2c frequency again */
+ /* set the i2c frequency again */
+ i2c_init (i2cFreq, CONFIG_SYS_I2C_SLAVE);
status = i2c_start ();
if (status) {
status = i2c_get_data (data, len);
if (status) {
#ifdef DEBUG_I2C
- printf ("Data not recieved: 0x%02x\n", status);
+ printf ("Data not received: 0x%02x\n", status);
#endif
return status;
}
/* */
/* returns 0 = succesful */
/* anything but zero is failure */
-uchar
+int
i2c_write (uchar dev_addr, unsigned int offset, int alen, uchar * data,
int len)
{
DP (puts ("i2c_write\n"));
- i2c_init (i2cFreq, 0); /* set the i2c frequency */
+ /* set the i2c frequency */
+ i2c_init (i2cFreq, CONFIG_SYS_I2C_SLAVE);
status = i2c_start (); /* send a start bit */
DP (puts ("i2c_probe\n"));
- i2c_init (i2cFreq, 0); /* set the i2c frequency */
+ /* set the i2c frequency */
+ i2c_init (i2cFreq, CONFIG_SYS_I2C_SLAVE);
status = i2c_start (); /* send a start bit */