Joakim Tjernlund wrote: >> Timur Tabi <ti...@freescale.com> wrote on 15/09/2009 21:04:47: >>> Joakim Tjernlund wrote: >>> >>>> No, the impact on speed from DFSR is pretty small so it will >>>> be close enough. >>> How small? >> From the app note: >> divisor = B * (A + ((3*C)/B)*2); >> >> C is dfsr and 10 <= A <= 30, 16 <= B <= 2048 >> Considering the actual speed may be way lower the requested speed >> I think this is small enough. > > Once we have the new procedure in place, we can calculate the exact > divisor so the need for extra CONFIG_ options goes away.
As Timur pointed out, a new table/algorithm would require some real testing and also some feedback from the users. Who knows if "your" values do not make trouble. Therefore I vote for using custom settings for maximum flexibility: CONFIG_FSL_I2C_CUSTOM_FDR CONFIG_FSL_I2C_CUSTOM_DFSR or CONFIG_FSL_I2C_CUSTOM_DFSR_FDR Wolfgang. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
