[U-Boot] [PATCH] 85xx: Using proper I2C source clock divider for MPC8544

Kumar Gala galak at kernel.crashing.org
Fri Oct 10 05:30:31 CEST 2008


On Sep 30, 2008, at 3:55 AM, Wolfgang Grandegger wrote:

> Measurements with our MPC8544 board showed that the I2C bus frequency
> is wrong by a factor of 1.5. Obviously, the interpretation of the
> MPC85xx_PORDEVSR2_SEC_CFG bit of the cfg_sec_freq register is not
> correct. There seems to be an error in the 8544 RM.
>
> Signed-off-by: Wolfgang Grandegger <wg at grandegger.com>
> ---
> cpu/mpc85xx/speed.c |    4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)

can you do me a favor and dump the value of MPC85xx_PORDEVSR2.  Also  
can you tell me what rev 8544 you have.

- k


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