[U-Boot] [PATCH] i.MX31: fir imx31_phycore to work after Linux reboot

[Wolfgang Denk]

Dear Guennadi Liakhovetski,

In message <Pine.LNX.4.64.0902061002160.4970 at axis700.grange> you wrote:
> Upon power on i.MX31 enables most peripheral clocks, Linux disables the ones

Why does U-Boot do that?

This is against U-Boot design guidelines which state that U-Boot shall
only activate such peripherals that it uses itself.

> didn't use I2C, the clock would stay disabled. And U-Boot on imx31_phycore
> uses an I2C EEPROM for environment data. So, after a reboot U-Boot would be

That's another area of bad design. Should we not change U-Boot such
that it places the environment in flash?


BTW: What does "fir imx31_phycore to work after Linux reboot" mean? I
cannot parse that.

Best regards,

Wolfgang Denk

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