Changeset 3272

Timestamp:

Sep 2, 2012 2:00:26 AM (9 months ago)

Author:

wmb

Message:

OLPC ARM - Changed the error threshold for suspend-state power to accomodate the observed power draw of the XO-4 A2 boards. When we have newer boards and better characterization, this threshold may need further tweaking.

File:

• cpu/arm/mmp2/rtc.fth (modified) (2 diffs)

cpu/arm/mmp2/rtc.fth

@@ -55 +55 @@
 alias test4 wakeup-loop
 
+d# -250 constant suspend-power-limit
+[ifdef] mmp3
+   .( mmp2/rtc.fth: Temporarily increasing suspend-power-limit) cr
+   d# -400 to suspend-power-limit
+[then]
+
 : s3-selftest  ( -- error? )
    \ The general failure mode here is that it won't wake up, so
@@ -63 +69 @@
    ec-rst-pwr ['] cancel-alarm 3 rtc-wake  str  ec-max-pwr  ( power )
    \ Negative power is consumed from battery, positive is supplied to battery
-   dup  d# -250 <  if                                       ( power )
+   dup  suspend-power-limit <  if                           ( power )
       ." System used too much power during suspend - "  negate .d ." mW" cr  ( )
       true                                                  ( error? )