6 Feb
2009
6 Feb
'09
1:45 p.m.
Dear Guennadi Liakhovetski,
In message Pine.LNX.4.64.0902061002160.4970@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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