/* SPDX-License-Identifier: BSD-2-Clause */
/*
* RTEMS support for GWLCFM
*
* This file contains the low level MPC5516 I2C driver parameters.
*/
/*
* Copyright (c) 2010 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <libchip/i2c-2b-eeprom.h>
#include <bsp.h>
#include <bsp/irq.h>
#include <mpc83xx/mpc83xx_i2cdrv.h>
#if MPC55XX_CHIP_FAMILY == 551
static void i2c_probe(mpc83xx_i2c_softc_t *self)
{
self->base_frq = bsp_clock_speed;
}
static mpc83xx_i2c_desc_t mpc55xx_i2c_bus = {
.bus_desc = {
.ops = &mpc83xx_i2c_ops,
.size = sizeof(mpc55xx_i2c_bus),
},
.softc = {
.reg_ptr = (m83xxI2CRegisters_t *) 0xfff88000,
.initialized = FALSE,
.irq_number = MPC55XX_IRQ_I2C(0),
.base_frq = 0,
.probe = i2c_probe
}
};
rtems_status_code bsp_register_i2c(void)
{
int rv = 0;
int busno = 0;
rtems_libi2c_initialize ();
busno = rtems_libi2c_register_bus(
"/dev/i2c1",
&mpc55xx_i2c_bus.bus_desc
);
if (busno < 0) {
return RTEMS_IO_ERROR;
}
#ifdef RTEMS_BSP_I2C_EEPROM_DEVICE_NAME
rv = rtems_libi2c_register_drv(
RTEMS_BSP_I2C_EEPROM_DEVICE_NAME,
i2c_2b_eeprom_driver_descriptor,
busno,
0x51
);
if (rv < 0) {
return RTEMS_IO_ERROR;
}
#endif
return RTEMS_SUCCESSFUL;
}
#endif
