[U-Boot-Users] i2c_set_bus_num

[Timur Tabi]

Dongying_Xu at us.alphanetworks.com wrote:
> 
> Kim,
> 
> Thanks. When I defined CFG_SPD_BUS_NUM 1 in my header file, things are 
> much better.  Though I don't understand why this definition will help. 
>  I read the  "Initial Stack, Global Data" part in Readme, It looks that 
> Initialized global data is read-only, if this is the case, then It 
> should fail when I try to set I2c bus num to 0, but it worked.  Could 
> you please explain a little bit?   Thanks

If you call i2c_set_bus_num() before DDR is initialized, it will fail.

If you call i2c_set_bus_num() after DDR is initialized, it will succeed.

-- 
Timur Tabi
Linux Kernel Developer @ Freescale