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

..

adc.h

Clean up chip/board configs for LM4

2012-03-16 14:02:59 -07:00

battery.h

Add battery SMI events and refactor charging state

2012-03-19 16:08:40 +08:00

charger.h

Add basic smart battery driver

2012-02-10 16:12:56 -08:00

chip_temp_sensor.h

Temperature polling and temporal correction

2012-02-18 13:37:53 +08:00

chipset.h

Add platform-neutral chipset interface

2012-03-05 10:00:25 -08:00

clock.h

Support dynamically changing the system clock

2012-04-09 10:33:35 -07:00

common.h

Support reboot_ec command in ectool (temporarily).

2012-03-09 21:10:13 +08:00

console.h

register console commands at compile-time

2012-01-24 00:50:08 +00:00

eeprom.h

Initial sources import 1/3

2011-12-07 19:10:02 +00:00

flash.h

Implement persistent flash write protect settings

2012-04-02 10:57:03 -07:00

fpu.h

Change TMP006 temperature calculation to use FP.

2012-02-15 16:34:54 -08:00

gpio.h

GPIO interrupts are disabled by default

2012-01-13 10:34:09 -08:00

host_command.h

Register host commands the same clever way we do console commands

2012-02-28 13:58:34 -08:00

hwtimer.h

Support dynamically changing the system clock

2012-04-09 10:33:35 -07:00

i2c.h

Support dynamically changing the system clock

2012-04-09 10:33:35 -07:00

i8042.h

Fix the missing IRQ problem.

2012-02-02 20:51:45 +08:00

jtag.h

Add JTAG module

2012-01-11 11:37:55 -08:00

keyboard_scan.h

Check for recovery key sequence at init

2012-02-14 10:51:24 -08:00

keyboard.h

Make i8042 independent of host <--> KBC bus.

2012-02-15 18:20:28 -08:00

lpc_commands.h

Support chipinfo command (ectool/host commands)

2012-04-09 14:25:30 +08:00

lpc.h

Add wake signal to PCH

2012-03-15 12:42:11 -07:00

memory_commands.h

Initial sources import 2/3

2011-12-07 19:10:02 +00:00

onewire.h

Add support for 1-wire protocol and power adapter LEDs

2012-03-16 11:03:13 -07:00

peci.h

Support dynamically changing the system clock

2012-04-09 10:33:35 -07:00

port80.h

Initial sources import 1/3

2011-12-07 19:10:02 +00:00

power_button.h

Split power button code into its own file

2012-01-10 14:14:59 -08:00

power_led.h

Add support for 1-wire protocol and power adapter LEDs

2012-03-16 11:03:13 -07:00

powerdemo.h

Initial sources import 1/3

2011-12-07 19:10:02 +00:00

pwm.h

EC_LPC_COMMAND_PWM_GET_FAN_RPM return target RPM

2012-02-27 15:11:42 -08:00

shared_mem.h

Initial sources import 1/3

2011-12-07 19:10:02 +00:00

smart_battery.h

Add smart battery functions read ascii info

2012-03-06 16:15:30 +08:00

system.h

Support chipinfo command (ectool/host commands)

2012-04-09 14:25:30 +08:00

task_id.h

Change task messages to events

2012-04-06 09:06:53 -07:00

task.h

Change task messages to events

2012-04-06 09:06:53 -07:00

temp_sensor.h

Temperature sensor grouping.

2012-03-16 10:40:52 +08:00

thermal.h

Increase fan speed control to 5 steps.

2012-04-05 11:30:16 +08:00

timer.h

Initial sources import 3/3

2011-12-07 19:10:02 +00:00

tmp006.h

Temperature polling and temporal correction

2012-02-18 13:37:53 +08:00

uart.h

Add %T format code to print current timestamp.

2012-04-03 11:35:47 -07:00

usb_charge.h

USB Charging control

2012-01-19 10:54:37 +08:00

util.h

Export more battery information in LPC map

2012-04-06 14:49:30 -07:00

vboot.h

Initial sources import 1/3

2011-12-07 19:10:02 +00:00

version.h

update versioning information stored in the EC

2012-03-02 16:46:26 +00:00

watchdog.h

Support dynamically changing the system clock

2012-04-09 10:33:35 -07:00

x86_power.h

Add ability to trigger both warm and cold resets.

2012-03-15 09:27:45 -07:00