forked from Imagelibrary/rtems
76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*===============================================================*\
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| Project: RTEMS support for GWLCFM |
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+-----------------------------------------------------------------+
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| Copyright (c) 2010 |
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| Embedded Brains GmbH |
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| Obere Lagerstr. 30 |
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| D-82178 Puchheim |
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| Germany |
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| rtems@embedded-brains.de |
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+-----------------------------------------------------------------+
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| The license and distribution terms for this file may be |
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| found in the file LICENSE in this distribution or at |
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| http://www.rtems.org/license/LICENSE. |
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+-----------------------------------------------------------------+
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| this file contains the low level MPC5516 I2C driver parameters |
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\*===============================================================*/
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#include <libchip/i2c-2b-eeprom.h>
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#include <bsp.h>
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#include <bsp/irq.h>
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#include <mpc83xx/mpc83xx_i2cdrv.h>
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#if MPC55XX_CHIP_FAMILY == 551
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static void i2c_probe(mpc83xx_i2c_softc_t *self)
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{
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self->base_frq = bsp_clock_speed;
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}
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static mpc83xx_i2c_desc_t mpc55xx_i2c_bus = {
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.bus_desc = {
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.ops = &mpc83xx_i2c_ops,
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.size = sizeof(mpc55xx_i2c_bus),
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},
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.softc = {
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.reg_ptr = (m83xxI2CRegisters_t *) 0xfff88000,
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.initialized = FALSE,
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.irq_number = MPC55XX_IRQ_I2C(0),
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.base_frq = 0,
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.probe = i2c_probe
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}
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};
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rtems_status_code bsp_register_i2c(void)
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{
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int rv = 0;
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int busno = 0;
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rtems_libi2c_initialize ();
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busno = rtems_libi2c_register_bus(
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"/dev/i2c1",
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&mpc55xx_i2c_bus.bus_desc
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);
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if (busno < 0) {
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return RTEMS_IO_ERROR;
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}
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#ifdef RTEMS_BSP_I2C_EEPROM_DEVICE_NAME
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rv = rtems_libi2c_register_drv(
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RTEMS_BSP_I2C_EEPROM_DEVICE_NAME,
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i2c_2b_eeprom_driver_descriptor,
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busno,
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0x51
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);
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if (rv < 0) {
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return RTEMS_IO_ERROR;
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}
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#endif
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return RTEMS_SUCCESSFUL;
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}
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#endif
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