Comments (5)
Note: There is an additional I2C issue #17
http://code.google.com/p/beagleboard/issues/detail?id=17
This should be independent of #17: #17 is about I2C2 timeouts with Beagle's
unconnected expansion header while this seems to be about broken I2C
communication.
Original comment by [email protected]
on 12 Jul 2008 at 1:24
from beagleboard.
Original comment by [email protected]
on 16 Jul 2008 at 7:29
- Added labels: Priority-Critical
- Removed labels: Priority-High
from beagleboard.
Currently, it is assumed that the following patches fix *kernel* issues:
http://marc.info/?l=linux-omap&m=121614853008185&w=2
http://www.pwsan.com/omap/read_write_twl4030_isrs_to_clear.patch
The second patch switches I2C1 speed from 2.6MHz down to 400KHz, too. It is
currently
investigated if this is necessary.
Note: These patches are for *kernel*. *U-Boot* (V1) messages like
-- cut --
U-Boot 1.3.3-rc3-00062-ga38dc3e-dirty (May 17 2008 - 07:34:07)
OMAP3430-GP rev 2, CPU-OPP2 L3-133MHz
OMAP3 Beagle Board 2.0 Version + mDDR (Boot ONND)
DRAM: 128 MB
NAND: 256 MiB
In: serial
Out: serial
Err: serial
timed out in wait_for_bb: I2C_STAT=1000
timed out in wait_for_bb: I2C_STAT=1000
timed out in wait_for_bb: I2C_STAT=1000
timed out in wait_for_pin: I2C_STAT=1000
I2C read: I/O error
timed out in wait_for_bb: I2C_STAT=1000
timed out in wait_for_bb: I2C_STAT=1000
Audio Tone on Speakerstimed out in wait_for_bb: I2C_STAT=1000
timed out in wait_for_pin: I2C_STAT=1000
I2C read: I/O error
timed out in wait_for_bb: I2C_STAT=1000
...
-- cut --
are assumed to be *compiler* related! CSL 2008Q1 results in above uboot I2C
timeouts.
So use 2007Q3/Q1 for uboot (V1).
Original comment by [email protected]
on 17 Jul 2008 at 3:18
from beagleboard.
Above patches are updated on OMAP mailing list. Now use
http://marc.info/?l=linux-omap&m=121614853008185&w=2
http://marc.info/?l=linux-omap&m=121634494302972&w=2 (9 patches)
Original comment by [email protected]
on 19 Jul 2008 at 5:19
from beagleboard.
Fixed with TWL4030 patch series starting with
http://source.mvista.com/git/?p=linux-omap-2.6.git;a=commit;h=4866d0e5718cfa7bc1
b4442d5625dce08203f201
Original comment by [email protected]
on 5 Aug 2008 at 6:29
- Changed state: Fixed
from beagleboard.
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