Comment 4 for bug 645324

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Peter Maydell (pmaydell) wrote : Re: qemu-maemo: beaglexm boot complains "omap_i2c_write: Bad register 0x000000ec"

> the Beagle XM docs which say it has an omap3530

I was looking at the wrong doc; the Beagle is 3530 (apparently more or less identical to 3430 for marketing purposes); the XM is 3730/3630 (ditto).

> I don't know if qemu is right about the I2C revision being 0x40

It is; from real XM hardware:

[ 0.045898] i2c_omap i2c_omap.1: bus 1 rev4.0 at 2600 kHz

...so this is a bug in the kernel i2c-omap.c, and qemu is legitimately complaining about it.