Commit Graph

4 Commits

Author SHA1 Message Date
Randall Spangler
e9328ac4f6 Support dynamically changing the system clock
Add nopll command to turn off the PLL, reducing the system clock to 16Mhz.

Signed-off-by: Randall Spangler <rspangler@chromium.org>

BUG=chrome-os-partner:8798
TEST=manual

boot system
press power button to boot x86
temps   // should print all temperatures
timerinfo
timerinfo
timerinfo  // convince yourself this is counting up at about 1MHz
nopll  // this drops the system clock to 16MHz
temps   // should still print all temperatures
timerinfo
timerinfo
timerinfo  // should still be counting up at about 1MHz

Change-Id: Ie29ceb17af348148bffadf63d60c1b731f4c3f6d
2012-04-09 10:33:35 -07:00
Randall Spangler
a61d8db3d3 Change task messages to events
Signed-off-by: Randall Spangler <rspangler@chromium.org>

BUG=chrome-os-partner:7461
TEST=manual

make BOARD={bds,link,daisy}
make tests
flash link system and make sure it boots

Change-Id: I1241a1895c083e387e38ddab01ac346ca4474eb9
2012-04-06 09:06:53 -07:00
Vincent Palatin
1008124533 Remove useless header includes
Preparatory work to introduce a second SoC : 2nd series 2/4

Avoid introducing platform specific dependencies in common files where
they are not necessary.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BUG=None
TEST=build for BDS and Link

Change-Id: If2ccd022e4956425222b55a5a48ca7522857e7f0
2012-01-26 01:32:30 +00:00
Vincent Palatin
cf9fcef328 Move OS files to a CPU specific directory
Preparatory work to introduce a second SoC : 3/5

We split the drivers files which contain SoC specific drivers from the
OS files which only depend the actual CPU core.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BUG=None
TEST=run EC firmware on BDS and test a few commands on the console.

Change-Id: I598f8b23e074da9bd6b0e2ce6689c1075fe854f0
2012-01-25 22:50:07 +00:00