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|
/*===============================================================*\
| Project: RTEMS support for GWLCFM |
+-----------------------------------------------------------------+
| Copyright (c) 2010 |
| Embedded Brains GmbH |
| Obere Lagerstr. 30 |
| D-82178 Puchheim |
| Germany |
| rtems@embedded-brains.de |
+-----------------------------------------------------------------+
| The license and distribution terms for this file may be |
| found in the file LICENSE in this distribution or at |
| |
| http://www.rtems.org/license/LICENSE. |
| |
+-----------------------------------------------------------------+
| this file contains the low level MPC5516 I2C driver parameters |
\*===============================================================*/
#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
|
