diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mvme3100/i2c/i2c_init.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mvme3100/i2c/i2c_init.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/c/src/lib/libbsp/powerpc/mvme3100/i2c/i2c_init.c b/c/src/lib/libbsp/powerpc/mvme3100/i2c/i2c_init.c deleted file mode 100644 index 9e242baf20..0000000000 --- a/c/src/lib/libbsp/powerpc/mvme3100/i2c/i2c_init.c +++ /dev/null @@ -1,186 +0,0 @@ -/* Register i2c bus driver & devices */ - -/* - * Authorship - * ---------- - * This software ('mvme3100' RTEMS BSP) was created by - * - * Till Straumann <strauman@slac.stanford.edu>, 2005-2007, - * Stanford Linear Accelerator Center, Stanford University. - * - * Acknowledgement of sponsorship - * ------------------------------ - * The 'mvme3100' BSP was produced by - * the Stanford Linear Accelerator Center, Stanford University, - * under Contract DE-AC03-76SFO0515 with the Department of Energy. - * - * Government disclaimer of liability - * ---------------------------------- - * Neither the United States nor the United States Department of Energy, - * nor any of their employees, makes any warranty, express or implied, or - * assumes any legal liability or responsibility for the accuracy, - * completeness, or usefulness of any data, apparatus, product, or process - * disclosed, or represents that its use would not infringe privately owned - * rights. - * - * Stanford disclaimer of liability - * -------------------------------- - * Stanford University makes no representations or warranties, express or - * implied, nor assumes any liability for the use of this software. - * - * Stanford disclaimer of copyright - * -------------------------------- - * Stanford University, owner of the copyright, hereby disclaims its - * copyright and all other rights in this software. Hence, anyone may - * freely use it for any purpose without restriction. - * - * Maintenance of notices - * ---------------------- - * In the interest of clarity regarding the origin and status of this - * SLAC software, this and all the preceding Stanford University notices - * are to remain affixed to any copy or derivative of this software made - * or distributed by the recipient and are to be affixed to any copy of - * software made or distributed by the recipient that contains a copy or - * derivative of this software. - * - * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03 - */ - -#include <rtems.h> -#include <bsp.h> -#include <rtems/bspIo.h> -#include <rtems/libi2c.h> -#include <libchip/i2c-2b-eeprom.h> -#include <libchip/i2c-ds1621.h> -#include <bsp/mpc8540_i2c_busdrv.h> -#include <rtems/libio.h> -#include <rtems/score/sysstate.h> - -#include <stdio.h> -#include <sys/stat.h> -#include <errno.h> -#include <stdarg.h> - -static void -safe_printf (const char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - if ( _System_state_Is_up( _System_state_Get() ) ) - vfprintf( stderr, fmt, ap ); - else - vprintk( fmt, ap ); - va_end(ap); -} - -static void -safe_perror(const char *s) -{ - safe_printf("%s :%s\n", s, strerror(errno)); -} - - -int -BSP_i2c_initialize(void) -{ -int busno, succ = 0; - - /* Initialize the library */ - if ( rtems_libi2c_initialize() ) { - safe_printf("Initializing I2C library failed\n"); - return -1; - } - - /* Register our bus driver */ - if ( (busno=rtems_libi2c_register_bus( - BSP_I2C_BUS0_NAME, - BSP_I2C_BUS_DESCRIPTOR) ) < 0 ) { - safe_perror("Registering mpc8540 i2c bus driver"); - return -1; - } - - /* Now register higher level drivers; note that - * the i2c address in the manual is actually left-shifted - * by one bit, i.e., as it would go on the bus. - */ - - /* Use read-only driver for VPD */ - if ( rtems_libi2c_register_drv( - BSP_I2C_VPD_EEPROM_NAME, - i2c_2b_eeprom_ro_driver_descriptor, - busno, - BSP_VPD_I2C_ADDR) < 0 ) { - safe_perror("Registering i2c VPD eeprom driver failed"); - } else { - succ++; - } - - /* Use read-write driver for user eeprom -- you still might - * have to disable HW write-protection on your board. - */ - if ( rtems_libi2c_register_drv( - BSP_I2C_USR_EEPROM_NAME, - i2c_2b_eeprom_driver_descriptor, - busno, - BSP_USR0_I2C_ADDR) < 0 ) { - safe_perror("Registering i2c 1st USR eeprom driver failed"); - } else { - succ++; - } - - /* Use read-write driver for user eeprom -- you still might - * have to disable HW write-protection on your board. - */ - if ( rtems_libi2c_register_drv( - BSP_I2C_USR1_EEPROM_NAME, - i2c_2b_eeprom_driver_descriptor, - busno, - BSP_USR1_I2C_ADDR) < 0 ) { - safe_perror("Registering i2c 2nd USR eeprom driver failed"); - } else { - succ++; - } - - /* The thermostat */ - if ( rtems_libi2c_register_drv( - BSP_I2C_DS1621_NAME, - i2c_ds1621_driver_descriptor, - busno, - BSP_THM_I2C_ADDR) < 0 ) { - safe_perror("Registering i2c ds1621 temp sensor. driver failed"); - } else { - succ++; - } - - /* Finally, as an example, register raw access to the - * ds1621. The driver above just reads the 8 msb of the - * temperature but doesn't support anything else. Using - * the raw device node you can write/read individual - * control bytes yourself and e.g., program the thermostat... - */ - - if ( mknod( - BSP_I2C_DS1621_RAW_DEV_NAME, - 0666 | S_IFCHR, - rtems_filesystem_make_dev_t(rtems_libi2c_major, - RTEMS_LIBI2C_MAKE_MINOR(busno,BSP_THM_I2C_ADDR))) ) { - safe_perror("Creating device node for raw ds1621 (temp. sensor) access failed"); - } else { - succ++; - } - - /* Raw access to RTC */ - if ( mknod( - BSP_I2C_DS1375_RAW_DEV_NAME, - 0666 | S_IFCHR, - rtems_filesystem_make_dev_t(rtems_libi2c_major, - RTEMS_LIBI2C_MAKE_MINOR(busno,BSP_RTC_I2C_ADDR))) ) { - safe_perror("Creating device node for raw ds1375 (rtc) access failed"); - } else { - succ++; - } - - safe_printf("%i I2C devices registered\n", succ); - return 0; -} |