[Bug 762] GTA01v4 Only Charges at 40ma

bugzilla-daemon at bugzilla.openmoko.org bugzilla-daemon at bugzilla.openmoko.org
Mon Sep 24 21:57:13 CEST 2007


------- Additional Comments From wally.ritchie at gmail.com  2007-09-24 21:57 -------
The incorrect precharge current appears to be due to an error in u-boot in the
file /board/neo1973/gta01/pcf50606.c at line 79.

[PCF50606_REG_MBCC3] = 0x1a, /* 0x2*Ifast, 4.20V */

While the comment shows the correct intention, the actual value according to the
datasheet (Rev 2.2 Page 69) should be 0x2a. The value 0x1a is same as the
default value of 0.1* Ifast.

Correcting this bug should cause all versions of GTA01 to precharge at 100ma as
designed instead of half this value as seen on the present hardware in the field. 

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