On 22 February 2018 at 13:08, Leif Lindholm <leif.lindh...@linaro.org> wrote: > On Tue, Feb 20, 2018 at 05:49:38PM +0000, Ard Biesheuvel wrote: >> This adds support for using the random number generator in the Atmel >> AtSha204a over I2C. Other functionality of the chip is currently >> unsupported. >> >> Note that the the I2C support in this device essentially violates the >> protocol layering, by requiring that the device is woken up by driving >> SDA low for a certain amount of time, which is something that cannot be >> expressed in terms of an I2C packet sent to the device's slave address. >> Instead, the slave address 0x0 is added to the device's address array, >> and the wake is sent by sending a dummy write to address 0x0, and >> ignoring the subsequent error. This requires the I2C bus to be clocked >> at 100 kHz. >> >> Contributed-under: TianoCore Contribution Agreement 1.1 >> Signed-off-by: Ard Biesheuvel <ard.biesheu...@linaro.org> > > All of my feedback from v1 has been addressed, so: > Reviewed-by: Leif Lindholm <leif.lindh...@linaro.org>
Thanks. Pushed as 487015fb23c1a40f0d05240cadde4faf979483ee _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
