diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/gen83xx/i2c/i2c_init.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/gen83xx/i2c/i2c_init.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/c/src/lib/libbsp/powerpc/gen83xx/i2c/i2c_init.c b/c/src/lib/libbsp/powerpc/gen83xx/i2c/i2c_init.c deleted file mode 100644 index 7fdd6bbd4c..0000000000 --- a/c/src/lib/libbsp/powerpc/gen83xx/i2c/i2c_init.c +++ /dev/null @@ -1,152 +0,0 @@ -/*===============================================================*\ -| Project: RTEMS support for MPC83xx | -+-----------------------------------------------------------------+ -| Copyright (c) 2007 | -| 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 MPC83xx I2C driver parameters | -\*===============================================================*/ - - -#include <mpc83xx/mpc83xx_i2cdrv.h> -#include <libchip/i2c-2b-eeprom.h> -#include <libchip/i2c-sc620.h> -#include <bsp/irq.h> -#include <bsp.h> - -static void i2c1_probe(mpc83xx_i2c_softc_t *self) -{ -#if MPC83XX_CHIP_TYPE != 8309 - if (((mpc83xx.clk.sccr >> (31-1)) & 0x03) > 0) { - self->base_frq = - (BSP_bus_frequency - /((mpc83xx.clk.sccr >> (31-1)) & 0x03)); - } -#else /* MPC83XX_CHIP_TYPE != 8309 */ - self->base_frq = BSP_bus_frequency; -#endif /* MPC83XX_CHIP_TYPE != 8309 */ -} - -#ifndef MPC83XX_BOARD_BR_UID -static void i2c2_probe(mpc83xx_i2c_softc_t *self) -{ - self->base_frq = BSP_bus_frequency; -} -#endif /* MPC83XX_BOARD_BR_UID */ - -static mpc83xx_i2c_desc_t mpc83xx_i2c_bus_tbl[] = { - /* first channel */ - { - {/* public fields */ - .ops = &mpc83xx_i2c_ops, - .size = sizeof(mpc83xx_i2c_bus_tbl[0]), - }, - { /* our private fields */ - .reg_ptr = &mpc83xx.i2c[0], - .initialized = FALSE, - .irq_number = BSP_IPIC_IRQ_I2C1, - .base_frq = 0, /* will be set during probe */ - .probe = i2c1_probe - } - } -#ifndef MPC83XX_BOARD_BR_UID - /* second channel */ - , { - { /* public fields */ - .ops = &mpc83xx_i2c_ops, - .size = sizeof(mpc83xx_i2c_bus_tbl[0]), - }, - { /* our private fields */ - .reg_ptr = &mpc83xx.i2c[1], - .initialized = FALSE, - .irq_number = BSP_IPIC_IRQ_I2C2, - .base_frq = 0, /* will be set during probe */ - .probe = i2c2_probe - } - } -#endif /* MPC83XX_BOARD_BR_UID */ -}; - -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -rtems_status_code bsp_register_i2c -( -/*-------------------------------------------------------------------------*\ -| Purpose: | -| register I2C busses and devices | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ - void /* <none> */ -) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| 0 or error code | -\*=========================================================================*/ - -{ - char device_path[] = "/dev/i2c?"; - size_t n = RTEMS_ARRAY_SIZE(mpc83xx_i2c_bus_tbl); - size_t i; - int i2c_busno[n]; - - /* - * init I2C library (if not already done) - */ - rtems_libi2c_initialize (); - - /* - * init I2C buses - */ - for (i = 0; i < n; ++i) { - mpc83xx_i2c_desc_t *desc = &mpc83xx_i2c_bus_tbl[i]; - - (*desc->softc.probe)(&desc->softc); - device_path[sizeof(device_path) - 2] = (char) ('1' + i); - i2c_busno[i] = rtems_libi2c_register_bus(device_path, &desc->bus_desc); - } - -#if defined(RTEMS_BSP_I2C_EEPROM_DEVICE_NAME) - if (n > 0) { - /* - * register EEPROM to bus 1, Address 0x50 - */ - rtems_libi2c_register_drv(RTEMS_BSP_I2C_EEPROM_DEVICE_NAME, - i2c_2b_eeprom_driver_descriptor, - i2c_busno[0],0x50); - } -#elif defined(MPC83XX_BOARD_BR_UID) - if (n > 0) { - rtems_libi2c_register_drv( - "sc620", - &i2c_sc620_driver, - i2c_busno[0], - 0x70 - ); - } -#else - - /* - * We have no i2c configuration for this variant but need to mark - * i2c_busno as used. - */ - (void) i2c_busno[0]; /* avoid set but not used warning */ -#endif - - /* - * FIXME: register RTC driver, when available - */ - - return RTEMS_SUCCESSFUL; -} |