EC Register Settings

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Revision as of 07:37, 15 June 2007 by Shenki (talk | contribs) (→‎KBC: added data)
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Current Embedded Controller register Settings

WORK IN PROGRESS

OFW Dump

GPIOO  fc00:   68  0 1e  0
GPIOE  fc10:    7 d7 ff  1  b fd
GPIOD  fc20:    e 91  0  0  9 60
GPIOIN fc30:   fe b7 f7  e ff 71 2b
GPIOPU fc40:    0  0  0  0  0  0
GPIOOD fc50:    0 80  0  0
GPIOIE fc60:   99 68 1e  f f4 c0 34
GPIOM  fc70:    1
KBC    fc80:   60 43  0 ff ae f4 10
PWM    fe00:    0  0  0  0  0  0 cf cf  0 80 80  0 ff ff
GPT    fe50:    f  0  0 43  0 fa 27 10  0 20
SPI    fea0:    0  0  0  0  0 64  4  0  0  0  0  0  0  4  0  0
WDT    fe80:    0  0  0 70 5a  7
LPC    fe90:    2 30  3 80 a0 fd  0 80  0 62  0  0  0 82 c0 1d
PS2    fee0:   2f  0 21 76  1 af 2f
EC     ff00:   a0  0  f 50  3 80  0  0 8c f0 83 20 12 94 52 95  0  0 1f 11  0  b 3e 83  9  0  0  0  0 20 37  0
GPWUEN ff30:   10  0  0  0
GPWUPF ff40:   89  8 16  c
GPWUPS ff50:    0  8  0  0
GPWUEL ff60:    0  8  0  0

Register settings

GPIO

GPIOO

Output Function Select

1 - Alt. output

0 - GPO 

fc00:   68  0 1e  0

GPIOE

Output Enable

1 - Enable

0 - Disable 

fc10:    7 d7 ff  1  b fd

GPIOD

Data Output 

fc20:    e 91  0  0  9 60

GPIOIN

Input Status 

fc30:   fe b7 f7  e ff 71 2b

GPIOPU

Pull Up Enable 

fc40:    0  0  0  0  0  0

GPIOOD

Open Drain Enable 

fc50:    0 80  0  0

GPIOIE

Input Enable 

fc60:   99 68 1e  f f4 c0 34

GPIOM

Misc 

fc70:    1


KBC

fc80:   60 43  0 ff ae f4 10

KBCCB

KBC Command Byte

Bit StateDescription
7 0 RSV
6 1 Scan Code Conversion
5 1 Auxiliary Device Disable
4 0 Keyboard Device Disable
3 0 Inhibit Override
2 0 System Flag
1 0 IRQ12 Enable
0 0 IRQ1 Enable


KBCCFG

KBC Configuration

Bit StateDescription
7 0 Keyboard Lock Enable
6 1 Fast Gate A20 Control
5 0 RSV
4 0 RSV
3 0 Keyboard Lock
2 0 RSV
1 1 IBF Interrupt Enable
0 1 OBF Interrupt Enable


KBCIF

KBC Interrupt Flag Pending Flag

Bit StateDescription
7~3 0 RSV
2 0 KBC Firmware mode in processing flag. Write 1 to exit firmware mode
1 0 IBF Interrupt pending flag
0 0 OBF Interrupt pending flag

KBCHWEN

KBC Hardware Command Enable

Bit StateDescription
7 1 FEh: KB Reset command processed by hardware
6 1 E0h: read test input command processed by hardware
5 1 D3h: write AUX output buffer
4 1 D2h: write KB output buffer
3 1 D1h: write P2 command command processed by hardware
2 1 D0h: read P2 command processed by hardware
1 1 C0h: read P0 command processed by hardware
0 1 20h: read command byte processed by hardware


KBCCMD

KBC Command Buffer The data written to IO port 64h will be stored in this register

KBCDAT

KBC Data IO Buffer' Writing to this register will cause OBF (Output Buffer Full) to set. Host reads this port through IO port 60h.

KBCSTS

KBC Host Status

Bit StateDescription
7 0 Parity Error
6 0 Timeout
5 0 Auxiliary Data Flag
4 0 Uninhibited
3 1 Address (A2)
2 0 System Flag
1 0 IBF
0 0 OBF

PWM

fe00:    0  0  0  0  0  0 cf cf  0 80 80  0 ff ff

GPT

fe50:    f  0  0 43  0 fa 27 10  0 20

SPI

fea0:    0  0  0  0  0 64  4  0  0  0  0  0  0  4  0  0

Watchdog Timer

WDT    fe80:    0  0  0 70 5a  7

WDTCFG

WDT Configuration

Bit State Description
7 0 WDT Extended Bits Enable (0=20 bit timer)
6~3 0000Force disable/set test mode/unset test mode
2 0 WDT Clock Selection for testing (0=normal)
1 0 Enable WDT interrupt
0 0 WDT timer reset

WDTPF

WDT Pending Flag

Bit State Description
7~5 0 RSV
1 0If set, next WDT timeout event will cause WDT reset signal
0 0 WDT reset event pending

WTDCNT

WDT 8-bit Count Value Once WDT reaches this value, interrupt will occur.

WTD Testing Counter Value

For testing WDT 

fe83 19->12
fe84 11->04
fe85 03->00

LPC

Low Pin Count / Firmware Hub 

fe90:    2 30  3 80 a0 fd  0 80  0 62  0  0  0 82 c0 1d

PS2

PS2 Controller 

fee0:   2f  0 21 76  1 af 2f

PS2CFG

PS2 Configuration

Bit StateDescription
7 0 RSV
6 0 Enable PS2 port 2
5 1 Enable PS2 port 1
4 0 RSV
3 1 Enable interrupt of PS2 parity error
2 1 Enable interrupt of PS2 TX timeout
1 1 Enable interrupt of PS2 transmitted byte
0 1 Enable interrupt of PS2 received byte

PS2PF

PS2 Pending Flag

Bit StateDescription
7 0 RSV
6 0 Received byte port is PS2 port 2
5 0 Received byte port is PS2 port 1
4 0 RSV
3 0 Interrupt pending flag of PS2 parity error
2 0 Interrupt pending flag of PS2 TX timeout
1 0 Interrupt pending flag of PS2 PS2 transmitted byte
0 0 Interrupt pending flag of PS2 received byte

PS2CTRL

PS2 Transmitter / Receiver Control

Bit StateDescription
7 0 RSV
6 0 Transmit byte port is PS2 port 1
5 1 Transmit byte port is PS2 port 1
4 0 RSV
3 0 Force reset of PS2 transmitter state
2 0 Force reset of PS2 reciever state
1 0 Flag of PS2 RX timeout
0 1 Enable PS2 transmit data port - set to transmit byte over PS2DATA

PS2DATA

PS2 Data

Read to get data of recieved byte from a PS2 device.

Write to transmit to a PS2 device. Will clear previous state.

PS2CFG2

PS2 Configuration 2

Bit StateDescription
7~2 0 RSV
1 0 PS2 protocol waiting time enable
0 1 PS2CLK/PS2DAT input de-bounce enable (0: 1us, 1: 2us)

PS2PINS

PS2 pin input status

Bit StateDescription
7 1 RSV
6 0 PS2 port 2 clock
5 1 PS2 port 1 clock
4 0 RSV
3 1 RSV
2 1 PS2 port 2 data
1 1 PS2 port 1 data
0 1 RSV

PS2PINO

PS2 pin output status

Bit StateDescription
7 0 RSV
6 0 PS2 port 2 clock
5 1 PS2 port 1 clock
4 0 RSV
3 1 RSV
2 1 PS2 port 2 data
1 1 PS2 port 1 data
0 1 RSV

EC

EC Registers 

ff00:   a0  0  f 50  3 80  0  0 8c f0 83 20 12 94 52 95  0  0 1f 11  0  b 3e 83  9  0  0  0  0 20 37  0

ECHV

EC Hardware Revision ID A0 (default)

ECFV

EC Firmware Revision ID 0 (default)

ECHA

EC High Address

Bit StateDescription
7~4 0 foo
3-0 1111 High-byte address of 64Kbyte EC address base.

SCICFG

SCI Configuration

Bit StateDescription
7 0 foo
6 0 foo
5 0 foo
4 0 foo
3 0 foo
2 0 foo
1 0 foo
0 0 foo

ECCFG

EC Configuration

Bit StateDescription
7 0 foo
6 0 foo
5 0 foo
4 0 foo
3 0 foo
2 0 foo
1 0 foo
0 0 foo

SCIE

SCIF

SCID

PMUCFG

PMU Control / Configuration

Bit StateDescription
7 0 foo
6 0 foo
5 0 foo
4 0 foo
3 0 foo
2 0 foo
1 0 foo
0 0 foo

CLKCFG

Clock Configuration

Bit StateDescription
7 0 foo
6 0 foo
5 0 foo
4 0 foo
3-2 0 foo
1 0 foo
0 0 foo

EXTIO

EC Extended Write IO Data


PLLCFG

PLL Configuration

CLKCFG2

Clock Configuration 2

PLLCFG2

PLL Configuration 2

Bit StateDescription
7-6 0 foo
5 0 foo
4 0 foo
3~0 0 foo

PXCFG

8051 on-chip Control

Bit StateDescription
7~1 0 RSV
1 0 foo
0 0 foo

ADDAEN

ADC/DAC Enable

Bit StateDescription
7 0 foo
6 0 foo
5=0 0 foo

PLLFRH

PLL Frequency Register High Byte

PLLFRL

PLL Frequency Register Low Byte

Bit StateDescription
7~4 0 foo
3 0 foo
2 0 foo
1~0 0 foo

ADCTRL

ADC Control Register

Bit StateDescription
7 0 RSV
4 0 foo
3 0 foo
2 0 foo
1 0 foo
0 0 foo

ADCDAT

ADC Data output port After ADC converted, the value is held here.

ECIF

EC Interrupt Pending Flag

Bit StateDescription
7 0 RSV
2 0 foo
1 0 foo
0 0 foo

ECDAT

EC Data Port Window between host and EC

ECCMD

EC Command Port Stores the latest EC command from host.

ECSTS

EC Status port

Bit StateDescription
7 0 foo
6 0 foo
5 0 foo
4 0 foo
3 0 foo
2 0 foo
1 0 foo
0 0 foo

GPWU

General Purpose Wake Up 

GPWUEN ff30:   10  0  0  0
GPWUPF ff40:   89  8 16  c
GPWUPS ff50:    0  8  0  0
GPWUEL ff60:    0  8  0  0
GPWU 0001020304050607 0809101112131415 1617181920212223 2425262728293031
Event Enable 00010000 00000000 00000000 00000000
Event Pending Flag 10001001 00001000 00010110 00001100
Polarity Selection 00001000 00000000 00000000 00000000
Edge/Level Trigger Selection 00001000 00000000 00000000 00000000
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