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Add support for "Butterfly" Chromebook

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We're happy to announce coreboot support for the "Butterfly"
Chromebook, a.k.a HP Pavilion Chromebook.

More information at:
http://www.google.com/intl/en/chrome/devices/hp-pavilion-chromebook.html

This commit also includes support for the ENE KB3940Q embedded controller
running on Quanta's firmware.

Change-Id: I194f847a94005218ec04eeba091c3257ac459510
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2359
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins)
This commit is contained in:
Stefan Reinauer
2013-02-11 11:11:36 -08:00
committed by Stefan Reinauer
parent 4815913968
commit d7bd4eb003
39 changed files with 4039 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
src/ec/Kconfig
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@@ -2,3 +2,4 @@ source src/ec/acpi/Kconfig
source src/ec/compal/Kconfig
source src/ec/lenovo/Kconfig
source src/ec/smsc/Kconfig
source src/ec/quanta/Kconfig

2
src/ec/Makefile.inc
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@@ -1,2 +1,2 @@
subdirs-$(CONFIG_EC_ACPI) += acpi
subdirs-y += compal lenovo smsc
subdirs-y += compal lenovo smsc quanta

1
src/ec/quanta/Kconfig Normal file
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@@ -0,0 +1 @@
source src/ec/quanta/ene_kb3940q/Kconfig

1
src/ec/quanta/Makefile.inc Normal file
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@@ -0,0 +1 @@
subdirs-$(CONFIG_EC_QUANTA_ENE_KB3940Q) += ene_kb3940q

4
src/ec/quanta/ene_kb3940q/Kconfig Normal file
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@@ -0,0 +1,4 @@
config EC_QUANTA_ENE_KB3940Q
bool
help
Interface to QUANTA ENE KB3940Q Embedded Controller.

4
src/ec/quanta/ene_kb3940q/Makefile.inc Normal file
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@@ -0,0 +1,4 @@
ramstage-y += ec.c
smm-y += ec.c
smm-y += ../../../lib/delay.c

39
src/ec/quanta/ene_kb3940q/acpi/ac.asl Normal file
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@@ -0,0 +1,39 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011-2012 The Chromium OS Authors. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
// Scope (EC0)
Device (AC)
{
Name (_HID, "ACPI0003")
Name (_PCL, Package () { \_SB })
Method (_PSR)
{
Store(ADPT, Local0)
Return(Local0)
}
Method (_STA)
{
Return (0x0F)
}
}

159
src/ec/quanta/ene_kb3940q/acpi/battery.asl Normal file
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@@ -0,0 +1,159 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011-2012 The Chromium OS Authors. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
/*
* The mainboard must define strings in the root scope to
* report device-specific battery information to the OS.
*
* BATV: Vendor
*/
// Scope (EC0)
Device (BATX)
{
Name (_HID, EISAID ("PNP0C0A"))
Name (_UID, 1)
Name (_PCL, Package () { \_SB })
Name (PBIF, Package () {
0x00000001, // 0 Power Unit: mAh
0xFFFFFFFF, // 1 Design Capacity
0xFFFFFFFF, // 2 Last Full Charge Capacity
0x00000001, // 3 Battery Technology: Rechargeable
0xFFFFFFFF, // 4 Design Voltage
0x000000FA, // 5 Design Capacity of Warning
0x00000096, // 6 Design Capacity of Low
0x0000000A, // 7 Capacity Granularity 1
0x00000019, // 8 Capacity Granularity 2
"", // 9 Model Number
"", // 10 Serial Number
"", // 11 Battery Type
"" // 12 OEM Information
})
Name (PBST, Package () {
0x00000000, // Battery State
0xFFFFFFFF, // Battery Present Rate
0xFFFFFFFF, // Battery Remaining Capacity
0xFFFFFFFF, // Battery Present Voltage
})
// Workaround for full battery status, enabled by default
Name (BFWK, One)
// Method to enable full battery workaround
Method (BFWE)
{
Store (One, BFWK)
}
// Method to disable full battery workaround
Method (BFWD)
{
Store (Zero, BFWK)
}
// Device insertion/removal control method that returns a device’s status.
// Power resource object that evaluates to the current on or off state of
// the Power Resource.
Method (_STA, 0, Serialized)
{
If (BTIN) {
Return (0x1F)
} Else {
Return (0x0F)
}
}
Method (_BIF, 0, Serialized)
{
// Update fields from EC
Store (BDC0, Index (PBIF, 1)) // Batt Design Capacity
Store (BFC0, Index (PBIF, 2)) // Batt Last Full Charge Capacity
Store (BDV0, Index (PBIF, 4)) // Batt Design Voltage
Divide(BFC0, 0x64, Local0, Local1)
Multiply(Local1, 0x0A, Local0)
Store(Local0, Index(PBIF, 5))
Multiply(Local1, 0x05, Local0)
Store (Local0, Index (PBIF, 6))
Store (ToString(BATD), Index (PBIF, 9)) // Model Number
Store (ToDecimalString(BSN0), Index (PBIF, 10)) // Serial Number
Store (ToString(BCHM), Index (PBIF, 11)) // Battery Type
Store (\BATV, Index (PBIF, 12)) // OEM information
Return (PBIF)
}
Method (_BST, 0, Serialized)
{
//
// 0: BATTERY STATE
//
// bit 0 = discharging
// bit 1 = charging
// bit 2 = critical level
//
// Get battery state from EC
Store (BST0, Local0)
Store (Local0, Index (PBST, 0))
//
// 1: BATTERY PRESENT RATE/CURRENT
//
Store (BPC0, Local1)
If (LAnd (Local1, 0x8000)) {
Xor (Local1, 0xFFFF, Local1)
Increment (Local1)
}
Store (Local1, Index (PBST, 1))
//
// 2: BATTERY REMAINING CAPACITY
//
Store (BRC0, Local1)
If (LAnd (BFWK, LAnd (ADPT, LNot (Local0)))) {
// On AC power and battery is neither charging
// nor discharging. Linux expects a full battery
// to report same capacity as last full charge.
// https://bugzilla.kernel.org/show_bug.cgi?id=12632
Store (BFC0, Local2)
// See if within ~3% of full
ShiftRight (Local2, 5, Local3)
If (LAnd (LGreater (Local1, Subtract (Local2, Local3)),
LLess (Local1, Add (Local2, Local3))))
{
Store (Local2, Local1)
}
}
Store (Local1, Index (PBST, 2))
//
// 3: BATTERY PRESENT VOLTAGE
//
Store (BPV0, Index (PBST, 3))
Return (PBST)
}
}

280
src/ec/quanta/ene_kb3940q/acpi/ec.asl Normal file
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@@ -0,0 +1,280 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011-2012 The Chromium OS Authors. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* The mainboard must define a PNOT method to handle power
* state notifications and Notify CPU device objects to
* re-evaluate their _PPC and _CST tables.
*/
External (\_PR.CPU0._PPC, IntObj)
Device (EC0)
{
Name (_HID, EISAID ("PNP0C09"))
Name (_UID, 1)
Name (_GPE, Add(EC_SCI_GPI, 16)) // GPE for Runtime SCI
OperationRegion (ERAM, EmbeddedControl, 0x00, 0xff)
Field (ERAM, ByteAcc, Lock, Preserve)
{
// EC Name Space Configuration
Offset(0x40),
BDC0, 16, // Batt Design Capacity ; 40h, 41h
BDV0, 16, // Batt Design Voltage ; 42h, 43h
BFC0, 16, // Batt Last Full Charge Capacity ; 44h, 45h
BPC0, 16, // Batt Current ; 46h, 47h
BRC0, 16, // Batt Remaining Capacity ; 48h, 49h
BPV0, 16, // Batt Present Voltage ; 4Ah, 4Bh
BCG0, 16, // Batt Charge current ; 4Ch, 4Dh
BACV, 16, // Batt Charging Voltage ; 4Eh, 4Fh
BTM0, 16, // Batt Battery Temp ; 50h, 51h
BSN0, 16, // Batt Serial Number ; 52h, 53h
BPCT, 16, // Batt Percentage of full charge ; 54h, 55h
BSSB, 16, // BATT Battery Status SMB ; 56h, 57h
CYC0, 16, // Batt Cycle Counter ; 58h, 59h
BMD0, 16, // Manufacture Date ; 5Ah, 5Bh
// Batt Day ; BIT[4:0] (Day)
// Batt Month ; BIT[9:5] (Month)
// Batt Year ; BIT[15:10] (Year)
Offset(0x60),
BCHM, 32, // Battery Chemistry ; 60h - 64h
BATD, 56, // Battery Device name ; 64h - 6Ah
Offset(0x70),
ADPT, 1, // AC Adapter Status for OS ; 70h.0
ADPN, 1, // AC Adapter H/W status ; 70h.1
BTIN, 1, // Battery Present ; 70h.2
BTBD, 1, // Battery Malfunction ; 70h.3
ACMD, 1, // ACPI Mode ; 70h.4
, 1, // Reserved ; 70h.5
SSBS, 1, // 1=Standard BIOS, 0=Coreboot ; 70h.6
PSTH, 1, // Passive Thermal Policy ; 70h.7
BST0, 8, // Battery Status ; 71h
// Bit0 : Discharging
// Bit1 : Charging
// Bit2 : Discharging and Critical Low
// Bit3-7 : Reserved
LIDF, 1, // Lid is open ; 72h.0
GPRC, 1, // Recovery GPI Status ; 72h.1
, 6, // Reserved ; 72h.2-7
TPLD, 1, // TouchPad LED Activation ; 73h.0
TPST, 1, // Touchpad LED Status ; 73h.1
, 6, // Reserved ; 73h.2-7
Offset(0x78),
CTMP, 8, // Current CPU Temperature ; 78h
SKTB, 8, // GPU Temperature ; 79h
LTM1, 8, // Local Temp 1 ; 7Ah
LTM2, 8, // Local Temp 2 ; 7Bh
FTCH, 16, // Fan Tachometer value ; 7Ch - 7Dh
FDBG, 16, // Fan Debug - Override Fan Tach value ; 7Eh - 7Fh
, 1, // Reserved ; 80h.0
KBID, 1, // 0=EN KBD, 1=JP KBD ; 80h.1
, 6, // Reserved ; 80h.2-7
NPST, 8, // Number of P-State level ; 81h
MPST, 8, // Maxumum P-State ; 82h
KWAK, 1, // Keyboard WAKE(0=Disable,1=Enable) ; 83h.0
TWAK, 1, // TouchPad WAKE(0=Disable,1=Enable) ; 83h.1
, 1, // Reserved ; 83h.2
LWAK, 1, // LAN Wake Enable (0=Disable, 1=Enable); 83h.3
RWAK, 1, // RTC Wake Enable(0=DIsable,1=Enable) ; 83h.4
, 3, // Reserved ; 83h.5-7
KBEV, 1, // Keyboard Wake Event ; 84h.0
TPEV, 1, // TouchPad Wake Event ; 84h.1
LDEV, 1, // Lid Wake Event ; 84h.2
, 4, // Reserved ; 84h.3-6
PBEV, 1, // Power Button Wake Event ; 84h.7
ECCD, 8, // EC Code State ; 85h
ROFW, 8, // RO FW Reason ID ; 86h
Offset(0xBA),
FWVR, 48, // EC Firmware Version ; BAh-BFh
Offset(0xC0),
SMPR, 8, // SMBus protocol register ; C0h
SMST, 8, // SMBus status register ; C1h
SMAD, 8, // SMBus address register ; C2h
SMCM, 8, // SMBus command register ; C3h
SMD0, 0x100, // SMBus data regs (32) ; C4h - E3h
BCNT, 8, // SMBus Block Count ; E4h
}
Method (_CRS, 0, NotSerialized)
{
Name (ECMD, ResourceTemplate()
{
IO (Decode16, 0x62, 0x62, 0, 1)
IO (Decode16, 0x66, 0x66, 0, 1)
})
Return (ECMD)
}
Method(_STA)
{
Return(0x0F)
}
Method (_REG, 2, NotSerialized)
{
// Initialize AC power state
Store (ADPT, \PWRS)
// Initialize LID switch state
Store (LIDF, \LIDS)
// Force a read of CPU temperature
Store (CTMP, Local0)
// Find and program number of P-States
Store (SizeOf (\_PR.CPU0._PSS), MPST)
Store ("Programming number of P-states: ", Debug)
Store (MPST, Debug)
// Find and program the current P-State
Store(\_PR.CPU0._PPC, NPST)
Store ("Programming Current P-state: ", Debug)
Store (NPST, Debug)
}
/*
* EC Query Responses
*
* Lid Status Change 06h
* Wifi Button Event (F12) 07h
* TZ Event Update CPU Temp 08h
* CPU P-State Down 0Eh
* CPU P-State UP 0Fh
* AC plug in 10h
* AC removed 11h
* Battery Plugged in 12h
* Battery Removed 13h
* Battery State Change 14h
*/
// Wifi Button Event
Method (_Q07)
{
Store ("Wifi Button Event 0x07", Debug)
}
// Thermal Event
Method (_Q08)
{
Store ("Thermal Event 0x08", Debug)
Notify(\_TZ.THRM, 0x80)
}
// Pstate Down
Method (_Q0E)
{
Store ("Pstate Event 0x0E", Debug)
Store(\_PR.CPU0._PPC, Local0)
Subtract(PPCM, 0x01, Local1)
If(LLess(Local0, Local1)) {
Increment(Local0)
\PPCN ()
}
Store(Local0, NPST)
}
// Pstate Up
Method (_Q0F)
{
Store ("Pstate Event 0x0F", Debug)
Store(\_PR.CPU0._PPC, Local0)
If(Local0) {
Decrement(Local0)
\PPCN ()
}
Store(Local0, NPST)
}
// AC Power Connected
Method (_Q10, 0, NotSerialized)
{
Store ("AC Insertion Event 0x10", Debug)
Store (One, \PWRS)
Notify (AC, 0x80)
Notify (BATX, 0x80)
\PNOT ()
}
// AC Power Removed
Method (_Q11, 0, NotSerialized)
{
Store ("AC Detach Event 0x11", Debug)
Store (Zero, \PWRS)
Notify (AC, 0x80)
Notify (BATX, 0x80)
\PNOT ()
}
// Battery State Change - Attach Event
Method (_Q12, 0, NotSerialized)
{
Store ("Battery Insertion Event 0x12", Debug)
Notify (BATX, 0x81)
Notify (BATX, 0x80)
\PNOT ()
}
// Battery State Change - Detach Event
Method (_Q13, 0, NotSerialized)
{
Store ("Battery Detach Event 0x13", Debug)
Notify (BATX, 0x81)
Notify (BATX, 0x80)
\PNOT ()
}
// Battery State Change Event
Method (_Q14, 0, NotSerialized)
{
Store ("Battery State Change Event 0x14", Debug)
Notify (BATX, 0x80)
}
// Lid Switch Event
Method (_Q06)
{
Store ("Lid Switch Event 0x06", Debug)
sleep(20)
Store (LIDF, \LIDS)
Notify (\_SB.LID0, 0x80)
}
#include "ac.asl"
#include "battery.asl"
}

57
src/ec/quanta/ene_kb3940q/acpi/superio.asl Normal file
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@@ -0,0 +1,57 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 The ChromiumOS Authors. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
// Scope is \_SB.PCI0.LPCB
Device (SIO) {
Name (_UID, 0)
Name (_ADR, 0)
#ifdef SIO_EC_ENABLE_PS2K
Device (PS2K) // Keyboard
{
Name (_UID, 0)
Name (_ADR, 0)
Name (_HID, EISAID("PNP0303"))
Name (_CID, EISAID("PNP030B"))
Method (_STA, 0, NotSerialized) {
Return (0x0F)
}
Name (_CRS, ResourceTemplate()
{
FixedIO (0x60, 0x01)
FixedIO (0x64, 0x01)
IRQNoFlags () {1}
})
Name (_PRS, ResourceTemplate()
{
StartDependentFn (0, 0) {
FixedIO (0x60, 0x01)
FixedIO (0x64, 0x01)
IRQNoFlags () {1}
}
EndDependentFn ()
})
}
#endif
}

35
src/ec/quanta/ene_kb3940q/chip.h Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#ifndef _EC_QUANTA_ENE_KB3940Q_CHIP_H
#define _EC_QUANTA_ENE_KB3940Q_CHIP_H
#include <device/device.h>
#include <pc80/keyboard.h>
struct chip_operations;
extern struct chip_operations ec_quanta_ene_kb3940q_ops;
struct ec_quanta_ene_kb3940q_config {
struct pc_keyboard keyboard;
};
#endif /* _EC_QUANTA_ENE_KB3940Q_CHIP_H */

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src/ec/quanta/ene_kb3940q/ec.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#ifndef __PRE_RAM__
#include <console/console.h>
#include <device/device.h>
#include <device/pnp.h>
#include <stdlib.h>
#include <arch/io.h>
#include <delay.h>
#include <elog.h>
#include "ec.h"
#include "chip.h"
/* kbc helper functions from drivers/pc80/keyboard.c */
static int ec_input_buffer_empty(u8 status_port)
{
u32 timeout;
for(timeout = KBC_TIMEOUT_IN_MS; timeout && (inb(status_port) & KBD_IBF);
timeout--) {
mdelay(1);
}
if (!timeout) {
printk(BIOS_WARNING, "Unexpected EC/KBD input buffer full\n");
}
return !!timeout;
}
static int ec_output_buffer_full(u8 status_port)
{
u32 timeout;
for(timeout = KBC_TIMEOUT_IN_MS; timeout && ((inb(status_port)
& KBD_OBF) == 0); timeout--) {
mdelay(1);
}
if (!timeout) {
printk(BIOS_INFO, "EC/KBD output buffer result timeout\n");
}
return !!timeout;
}
/* The ENE 60/64 EC registers are the same command/status IB/OB KBC pair.
* Check status from 64 port before each command.
*
* Ex. Get panel ID command C43/D77
* Check IBF empty. Then Write 0x43(CMD) to 0x64 Port
* Check IBF empty. Then Write 0x77(DATA) to 0x60 Port
* Check OBF set. Then Get Data(0x03:panel ID) from 0x60
* Different commands return may or may not respond and may have multiple
* bytes. Keep it simple for now
*/
u8 ec_kbc_read_ob(void)
{
if (!ec_output_buffer_full(KBD_STATUS)) return 0;
return inb(KBD_DATA);
}
void ec_kbc_write_cmd(u8 cmd)
{
if (!ec_input_buffer_empty(KBD_STATUS)) return;
outb(cmd, KBD_COMMAND);
}
void ec_kbc_write_ib(u8 data)
{
if (!ec_input_buffer_empty(KBD_STATUS)) return;
outb(data, KBD_DATA);
}
/* EC Host Control Protocol routines */
u8 ec_read_ob(void)
{
if (!ec_output_buffer_full(EC_SC)) return 0;
return inb(EC_DATA);
}
void ec_write_cmd(u8 cmd)
{
if (!ec_input_buffer_empty(EC_SC)) return;
outb(cmd, EC_COMMAND);
}
void ec_write_ib(u8 data)
{
if (!ec_input_buffer_empty(EC_SC)) return;
outb(data, EC_DATA);
}
/*
* These functions are for accessing the ENE932 device RAM space
*/
u8 ec_mem_read(u8 addr)
{
ec_write_cmd(EC_CMD_READ_RAM);
ec_write_ib(addr);
return ec_read_ob();
}
void ec_mem_write(u8 addr, u8 data)
{
ec_write_cmd(EC_CMD_WRITE_RAM);
ec_write_ib(addr);
ec_write_ib(data);
return;
}
#ifndef __SMM__
static void ene_kb3940q_log_events(void)
{
#if CONFIG_ELOG
u8 reason = ec_mem_read(EC_SHUTDOWN_REASON);
if (reason)
elog_add_event_byte(ELOG_TYPE_EC_SHUTDOWN, reason);
#endif
}
static void ene_kb3940q_init(device_t dev)
{
struct ec_quanta_ene_kb3940q_config *conf = dev->chip_info;
if (!dev->enabled)
return;
printk(BIOS_DEBUG, "Quanta EnE KB3940Q: Initializing keyboard.\n");
pc_keyboard_init(&conf->keyboard);
ene_kb3940q_log_events();
}
static void ene_kb3940q_read_resources(device_t dev)
{
/* This function avoids an error on serial console. */
}
static void ene_kb3940q_enable_resources(device_t dev)
{
/* This function avoids an error on serial console. */
}
static struct device_operations ops = {
.init = ene_kb3940q_init,
.read_resources = ene_kb3940q_read_resources,
.enable_resources = ene_kb3940q_enable_resources
};
static struct pnp_info pnp_dev_info[] = {
{ &ops, 0, 0, { 0, 0 }, }
};
static void enable_dev(device_t dev)
{
pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info),
pnp_dev_info);
}
struct chip_operations ec_quanta_ene_kb3940q_ops = {
CHIP_NAME("QUANTA EnE KB3940Q EC")
.enable_dev = enable_dev
};
#endif /* ! __SMM__ */
#endif /* ! __PRE_RAM__ */

213
src/ec/quanta/ene_kb3940q/ec.h Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* EC communication interface for QUANTA EnE KB3940Q Embedded Controller.
*/
#ifndef _EC_QUANTA_ENE_KB3940Q_EC_H
#define _EC_QUANTA_ENE_KB3940Q_EC_H
#define EC_IO 0x380 /* Mainboard specific. Could be Kconfig option */
#define EC_IO_HIGH EC_IO + 1
#define EC_IO_LOW EC_IO + 2
#define EC_IO_DATA EC_IO + 3
// 60h/64h Command Interface
#define KBD_DATA 0x60
#define KBD_COMMAND 0x64
#define KBD_STATUS 0x64
#define KBD_IBF (1 << 1) // 1: input buffer full (data ready for ec)
#define KBD_OBF (1 << 0) // 1: output buffer full (data ready for host)
// 62h/66h Command Interface
#define EC_DATA 0x62
#define EC_COMMAND 0x66
#define EC_SC 0x66
/* Wait 400ms for keyboard controller answers */
#define KBC_TIMEOUT_IN_MS 400
u8 ec_kbc_read_ob(void);
void ec_kbc_write_cmd(u8 cmd);
void ec_kbc_write_ib(u8 data);
u8 ec_read_ob(void);
void ec_write_cmd(u8 cmd);
void ec_write_ib(u8 data);
u8 ec_mem_read(u8 addr);
void ec_mem_write(u8 addr, u8 data);
/*****************************************************************************
* EC Internal memory
*/
#define EC_BAT_DCAP_LO 0x40
#define EC_BAT_DCAP_HI 0x41
#define EC_BAT_DVOLT_LO 0x42
#define EC_BAT_DVOLT_HI 0x43
#define EC_BAT_FULL_CAP_LO 0x44
#define EC_BAT_FULL_CAP_HI 0x45
#define EC_BAT_RATE_LO 0x46
#define EC_BAT_RATE_HI 0x47
#define EC_BAT_RMC_LO 0x48
#define EC_BAT_RMC_HI 0x49
#define EC_BAT_VOLT_LO 0x4A
#define EC_BAT_VOLT_HI 0x4B
#define EC_BAT_CHRG_CURT_LO 0x4C
#define EC_BAT_CHRG_CURT_HI 0x4D
#define EC_BAT_CHRG_VOLT_LO 0x4E
#define EC_BAT_CHRG_VOLT_HI 0x4F
#define EC_BAT_TEMP_LO 0x50
#define EC_BAT_TEMP_HI 0x51
#define EC_BAT_SN_LO 0x52
#define EC_BAT_SN_HI 0x53
#define EC_BAT_RSOC_LO 0x54
#define EC_BAT_RSOC_HI 0x55
#define EC_BAT_STATUS_LO 0x56
#define EC_BAT_STATUS_HI 0x57
#define EC_BAT_CYCLE_COUNT_LO 0x58
#define EC_BAT_CYCLE_COUNT_HI 0x59
#define EC_BAT_MFG_DATE_LO 0x5A
#define EC_BAT_MFG_DATE_HI 0x5B
#define EC_BAT_CHEMISTRY0 0x60
#define EC_BAT_CHEMISTRY1 0x61
#define EC_BAT_CHEMISTRY2 0x62
#define EC_BAT_CHEMISTRY3 0x63
#define EC_BAT_DEVICE_NAME0 0x64
#define EC_BAT_DEVICE_NAME1 0x65
#define EC_BAT_DEVICE_NAME2 0x66
#define EC_BAT_DEVICE_NAME3 0x67
#define EC_BAT_DEVICE_NAME4 0x68
#define EC_BAT_DEVICE_NAME5 0x69
#define EC_BAT_DEVICE_NAME6 0x6A
#define EC_POWER_FLAG 0x70
#define EC_PF_ADAPTER_IN (1 << 0)
#define EC_PF_ADAPTER_PIN (1 << 1)
#define EC_PF_BATT_IN (1 << 2)
#define EC_PF_BATT_DESTROY (1 << 3)
#define EC_PF_ACPI_MODE (1 << 4)
#define EC_PF_X86_BIOS (1 << 6)
#define EC_PF_COREBOOT 0
#define EC_PF_PASSIVE_THERM (1 << 7)
#define EC_CHARGER_STATUS 0x71
#define EC_CHS_BAT_DISCHARGING (1 << 0)
#define EC_CHS_BAT_CHARGING (1 << 1)
#define EC_CHS_BAT_CRITICAL (1 << 2)
#define EC_HW_GPI_STATUS 0x72
#define EC_GPI_LID_STAT_BIT 0
#define EC_GPI_RECOVERY_MODE_BIT 1
#define EC_GPI_LID_OPEN (1 << EC_GPI_LID_STAT_BIT)
#define EC_GPI_RECOVERY_STATUS (1 << EC_GPI_RECOVERY_MODE_BIT)
#define EC_GPIO_STATUS 0x73
#define EC_GPIO_TP_LED_ENABLE (1 << 0)
#define EC_GPIO_TP_LED_STATUS (1 << 1)
#define EC_CPU_TMP 0x78
#define EC_GPU_TMP 0x79
#define EC_LOCAL_TMP1 0x7A
#define EC_LOCAL_TMP2 0x7B
#define EC_FAN_TACH_LO 0x7C
#define EC_FAN_TACH_HI 0x7D
#define EC_FAN_DBG_RPM_LO 0x7E
#define EC_FAN_DBG_RPM_HI 0x7F
#define EC_KBID_REG 0x80
#define EC_KBD_EN 0
#define EC_KBD_JP (1 << 1)
#define EC_CURR_PS 0x81
#define EC_MAX_PS 0x82
#define EC_EC_PSW 0x83
#define EC_PSW_IKB (1 << 0)
#define EC_PSW_TP (1 << 1)
#define EC_PSW_LAN (1 << 3)
#define EC_PSW_RTC (1 << 4)
#define EC_PSW_USB (1 << 5)
#define EC_WAKE_EVEN_TID 0x84
#define EC_WID_IKB (1 << 0)
#define EC_WID_TP (1 << 1)
#define EC_WID_LID (1 << 2)
#define EC_WID_PWRSW (1 << 7)
#define EC_CODE_STATE 0x85
#define EC_COS_INITIAL_STAGE 0xBB
#define EC_COS_EC_RO 0xC0
#define EC_COS_EC_RW 0xC1
#define EC_FW_REASON_ID 0x86
#define EC_FWR_NOT_RO 0x00
#define EC_FWR_GPI_ASSERTED 0x01
#define EC_FWR_HOTKEY_PRESSED 0x02
#define EC_FWR_FIRMWARE_CORRUPT 0x03
#define EC_SHUTDOWN_REASON 0xB9
#define EC_FW_VER0 0xBA
#define EC_FW_VER1 0xBB
#define EC_FW_VER2 0xBC
#define EC_FW_VER3 0xBD
#define EC_FW_VER4 0xBE
#define EC_FW_VER5 0xBF
#define EC_SMBPTCL 0xC0
#define EC_SMBSTA 0xC1
#define EC_SMBADDR 0xC2
#define EC_SMBCMD 0xC3
#define EC_SMBDATA 0xC4
#define EC_SMBBCNT 0xE4
/*****************************************************************************
* SMI / SCI event status
*/
#define Q_EVENT_LID_STATUS 0x06
#define Q_EVENT_WIFI_BUTTON 0x06
#define Q_EVENT_THERM_EVENT 0x08
#define Q_EVENT_PSTATE_DOWN 0x0E
#define Q_EVENT_PSTATE_UP 0x0F
#define Q_EVENT_AC_PLUGGED 0x10
#define Q_EVENT_AC_UNPLUGGED 0x11
#define Q_EVENT_BATTERY_PLUGGED 0x12
#define Q_EVENT_BATTERY_UNPLUGGED 0x13
#define Q_EVENT_BATTERY_STATUS 0x14
/*****************************************************************************
* EC Commands
*/
#define EC_CMD_ENABLE_ACPI_MODE 0x71
#define EC_CMD_DISABLE_ACPI_MODE 0x72
#define EC_CMD_DISABLE_SMBUS_EVENT 0x73
#define EC_CMD_ENABLE_SMBUS_EVENT 0x74
#define EC_CMD_SYSTEM_RESET 0x78
#define EC_CMD_SYSTEM_SHUTDOWN 0x79
#define EC_CMD_RESET_FOR_FW_UPDATE 0x7D
#define EC_CMD_IDLE_FOR SPI_UPDATE 0x7E
#define EC_CMD_READ_RAM 0x80
#define EC_CMD_WRITE_RAM 0x81
#define EC_CMD_BURST_ENABLE 0x82
#define EC_CMD_BURST_DISABLE 0x83
#define EC_CMD_QUERY_EVENT 0x84
#endif /* _EC_QUANTA_ENE_KB3940Q_EC_H */