[U-Boot] MPC8572E I2C bus speed after emulator reset

Scott Coulter scott.coulter at cyclone.com
Fri Mar 27 19:05:20 CET 2009


Hi Timur,

> What is the value of CONFIG_SYS_I2C_SPEED in your board header file?
 
#define CONFIG_SYS_I2C_SPEED		400000

> What values does function set_i2c_bus_speed() in fsl_i2c.c program
> into the FDR and DFSR registers?

According to my printfs and the emulator readback of the values, the
code is putting a 0x6 into the FDR and a 0x1 into the DFSR.  These
values appear to be identical with either a hard reset or an emulator
reset.

Thanks,
Scott

___________________________________________________________________

  Scott N. Coulter
  Senior Software Engineer
  
  Cyclone Microsystems          
  370 James Street              Phone:  203.786.5536 ext. 118
  New Haven, CT 06513-3051      Email:  scott.coulter at cyclone.com
  U.S.A.                        Web:    http://www.cyclone.com
___________________________________________________________________



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