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ec/roda/it8518: Add another embedded controller

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The embedded-controller interface of Roda's Ivy Bridge notebooks is
supposedly programmed by AMI.

Change-Id: I153d831fcea8a3132c7bd1927ff3b445d9a8e92c
Signed-off-by: Dennis Wassenberg <dennis.wassenberg@secunet.com>
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/17288
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <edward.ocallaghan@koparo.com>
This commit is contained in:
Dennis Wassenberg
2015-09-10 12:17:49 +02:00
committed by Nico Huber
parent c868fd16a7
commit 020a3ce90b
8 changed files with 511 additions and 0 deletions
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20
src/ec/roda/it8518/Kconfig Normal file
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##
## This file is part of the coreboot project.
##
## Copyright (C) 2015 secunet Security Networks AG
##
## 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.
##
config EC_RODA_IT8518
bool
select EC_ACPI
help
Interface to IT8518 embedded controller in Roda notebooks.

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src/ec/roda/it8518/Makefile.inc Normal file
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##
## This file is part of the coreboot project.
##
## Copyright (C) 2015 secunet Security Networks AG
##
## 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.
##
ramstage-$(CONFIG_EC_RODA_IT8518) += ec.c

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src/ec/roda/it8518/acpi/ac.asl Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 secunet Security Networks AG
*
* 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.
*/
//SCOPE EC0
Device (AC)
{
Name (_HID, "ACPI0003")
Name (_PCL, Package () { \_SB })
Method (_PSR, 0, NotSerialized) // _PSR: Power Source
{
Store ("-----> AC: _PSR", Debug)
Store ("<----- AC: _PSR", Debug)
Return (PWRS)
}
}

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src/ec/roda/it8518/acpi/battery.asl Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 secunet Security Networks AG
*
* 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.
*/
//SCOPE EC0
Device (BAT0)
{
Name (_HID, EISAID ("PNP0C0A"))
Name (_UID, 1)
Name (_PCL, Package () { \_SB })
//
// Default Static Battery Information
//
Name (PBIF, Package (13)
{
1, // 0: Power Unit
4800, // 1: Design Capacity
4650, // 2: Last Full Charge Capacity
1, // 3: Battery Technology(Rechargeable)
12608, // 4: Design Voltage 10.8V
0, // 5: Design capacity of warning
0, // 6: Design capacity of low
0, // 7: Battery capacity granularity 1
0, // 8: Battery capacity granularity 2
"BAT0", // 9: Model Number
"RT672", // 10: Serial Number
"LiON", // 11: Battery Type
"ASP" // 12: OEM Information
})
Name (PBST, Package (4)
{
0x00000000, // Battery State
0xFFFFFFFF, // Battery Present Rate
0xFFFFFFFF, // Battery Remaining Capacity
0xFFFFFFFF, // Battery Present Voltage
})
// Battery Slot Status
Method (_STA, 0, Serialized)
{
Store ("-----> BAT0: _STA", Debug)
Store (0x0F, Local0)
Store (ECPS, Local1)
And (Local1, 0x02, Local1)
If (LEqual (Local1, 0x02))
{
Store (0x1F, Local0)
}
Store ("<----- BAT0: _STA", Debug)
Return (Local0)
}
Method (_BIF, 0, Serialized)
{
Store ("-----> BAT0: _BIF", Debug)
Store (B0FC, Index (PBIF, 0x02))
Store (Divide (Multiply (B0FC, 6), 100), Index (PBIF, 0x05))
Store (Divide (Multiply (B0FC, 3), 100), Index (PBIF, 0x06))
Store ("<----- BAT0: _BIF", Debug)
Return (PBIF)
}
Method (_BST, 0, Serialized)
{
Store ("-----> BAT0: _BST", Debug)
Store (B0ST, Local0)
And (Local0, 0x40, Local0)
If (LEqual (Local0, 0x40))
{
If (LEqual (PWRS, 1))
{
Store (0x00, Index (PBST, 0x00))
}
Else
{
Store (0x01, Index (PBST, 0x00))
}
}
Else
{
Store (0x02, Index (PBST, 0x00))
}
Store (B0AC, Local1)
If (LGreaterEqual (Local1, 0x8000))
{
Subtract (0x00010000, Local1, Local1)
}
Store (Local1, Index (PBST, 0x01))
Store (B0RC, Index (PBST, 0x02))
Store (B0VT, Index (PBST, 0x03))
Store ("<----- BAT0: _BST", Debug)
Return (PBST)
}
}

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src/ec/roda/it8518/acpi/ec.asl Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 secunet Security Networks AG
*
* 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.
*/
#include <drivers/pc80/pc/ps2_controller.asl>
Device (EC0)
{
Name (_HID, EISAID ("PNP0C09")) // ACPI Embedded Controller
Name (_UID, 1)
Name (_GPE, Add(EC_SCI_GPI, 16)) // GPE for Runtime SCI
Name (PWRS, 1)
Name (LIDS, 1)
// EC RAM fields
OperationRegion(ERAM, EmbeddedControl, 0, 0xFF)
Field (ERAM, ByteAcc, NoLock, Preserve)
{
Offset(0x00), // [Configuration Space 0x0]
Offset(0x02), // [Configuration Space 0x2]
B0ST, 16, // Battery 0 State
B0FC, 16, // Battery 0 Last Full Charge Capacity
B0RC, 16, // Battery 0 Remaining Capacity
B0U1, 16, // Unknown
B0VT, 16, // Battery 0 Present Voltage
B0AC, 16, // Battery 0 Present Rate
Offset(0x40), // [Configuration Space 0x40]
ECOS, 8, // OS System Type (0: DOS, 1: ACPI-compatible)
CPUT, 8, // CPU Temperature
LOCT, 8, // LOC Temperature
OEMT, 8, // OEM Temperature
Offset (0x48), // [Configuration Space 0x48]
ECPS, 8, // EC Power Source
Offset (0x50), // [Configuration Space 0x50]
LUXH, 8, // Ambient Light Illuminance High
LUXL, 8, // Ambient Light Illuminance Low
Offset (0x5B), // [Configuration Space 0x5B]
BRIG, 8, // Brightness
} // End of ERAM
Method (_STA, 0, NotSerialized) // _STA: Status
{
Return (0x0F)
}
Method (_CRS, 0, NotSerialized)
{
Return (ResourceTemplate()
{
IO (Decode16, 0x62, 0x62, 0x00, 0x01)
IO (Decode16, 0x66, 0x66, 0x00, 0x01)
})
}
Method (_REG, 2, NotSerialized)
{
Store ("-----> EC: _REG", Debug)
Store (0x01, ECOS)
Store ("<----- EC: _REG", Debug)
}
Method (_Q29, 0, NotSerialized) // _Qxx: EC Query
{
Store ("-----> EC: _Q29", Debug)
Store (1, PWRS)
Notify (AC, 0x80)
Notify (AC, 0x00)
Notify (BAT0, 0x00)
Notify (BAT0, 0x80)
Store ("<----- EC: _Q29", Debug)
}
Method (_Q31, 0, NotSerialized) // _Qxx: EC Query
{
Store ("-----> EC: _Q31", Debug)
Store (0, PWRS)
Notify (AC, 0x80)
Notify (AC, 0x00)
Notify (BAT0, 0x00)
Notify (BAT0, 0x80)
Store ("<----- EC: _Q31", Debug)
}
Method (_Q32, 0, NotSerialized) // _Qxx: EC Query
{
Store ("-----> EC: _Q32", Debug)
Sleep (2500)
Notify (BAT0, 0x00)
Notify (BAT0, 0x80)
Notify (BAT0, 0x81)
Notify (BAT0, 0x82)
Store ("<----- EC: _Q32", Debug)
}
Method (_Q33, 0, NotSerialized) // _Qxx: EC Query
{
Store ("-----> EC: _Q33", Debug)
Sleep (2500)
Notify (BAT0, 0x00)
Notify (BAT0, 0x80)
Notify (BAT0, 0x81)
Notify (BAT0, 0x82)
Store ("<---- EC: _Q33", Debug)
}
Method (_Q36, 0, NotSerialized) // _Qxx: EC Query
{
Store ("-----> EC: _Q36", Debug)
Notify (BAT0, 0x80)
Store ("<----- EC: _Q36", Debug)
}
Method (_Q37, 0, NotSerialized) // _Qxx: EC Query
{
Store ("-----> EC: _Q37", Debug)
Notify (BAT0, 0x80)
Store ("<----- EC: _Q37", Debug)
}
Method (_Q43, 0, NotSerialized) // _Qxx: EC Query
{
Store ("-----> EC: _Q43", Debug)
Store (BRIG, Local0)
Increment (Local0)
If (LGreater (Local0, 0xAA)) {
Store (0xAA, Local0)
}
Store (Local0, BRIG)
\_SB.PCI0.GFX0.INCB ()
Store ("<---- EC: _Q43", Debug)
}
Method (_Q44, 0, NotSerialized) // _Qxx: EC Query
{
Store ("-----> EC: _Q44", Debug)
Store (BRIG, Local0)
Decrement (Local0)
If (LLess (Local0, 0xA0))
{
Store (0xA0, Local0)
}
Store (Local0, BRIG)
\_SB.PCI0.GFX0.DECB ()
Store ("<---- EC: _Q44", Debug)
}
Method (_Q45, 0, NotSerialized) // _Qxx: EC Query
{
Store ("-----> EC: _Q45", Debug)
Store (0, LIDS)
Notify (LID, 0x80)
Store ("<----- EC: _Q45", Debug)
}
Method (_Q46, 0, NotSerialized) // _Qxx: EC Query
{
Store ("-----> EC: _Q46", Debug)
Store (1, LIDS)
Notify (LID, 0x80)
Store ("<----- EC: _Q46", Debug)
}
Method (_Q70, 0, NotSerialized) // _Qxx: EC Query
{
Store ("-----> EC: _Q70", Debug)
Notify (ALSD, 0x80)
Store ("<----- EC: _Q70", Debug)
}
#include "battery.asl"
#include "ac.asl"
#include "lid.asl"
}

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src/ec/roda/it8518/acpi/lid.asl Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 secunet Security Networks AG
*
* 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.
*/
//SCOPE EC0
Device (LID)
{
Name (_HID, EisaId ("PNP0C0D")) // _HID: Hardware ID
Method (_LID, 0, NotSerialized) // _LID: Lid Status
{
Store ("-----> LID0: _LID", Debug)
Store ("<----- LID0: _LID", Debug)
Return (LIDS)
}
}

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src/ec/roda/it8518/chip.h Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015-2016 secunet Security Networks AG
*
* 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.
*/
#ifndef _EC_RODA_IT8518_CHIP_H
#define _EC_RODA_IT8518_CHIP_H
#include <device/device.h>
struct chip_operations;
extern struct chip_operations ec_roda_it8518_ops;
struct ec_roda_it8518_config {
u8 cpuhot_limit; /* temperature in °C which asserts PROCHOT# */
};
#endif /* _EC_RODA_IT8518_CHIP_H */

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src/ec/roda/it8518/ec.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 secunet Security Networks AG
*
* 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.
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pnp.h>
#include <pc80/keyboard.h>
#include <ec/acpi/ec.h>
#include <stdlib.h>
#include "chip.h"
static void it8518_init(struct device *dev)
{
const struct ec_roda_it8518_config *const conf = dev->chip_info;
if (!dev->enabled)
return;
if (conf && conf->cpuhot_limit)
ec_write(0xb2, conf->cpuhot_limit);
printk(BIOS_DEBUG, "Roda IT8518: Initializing keyboard.\n");
pc_keyboard_init(NO_AUX_DEVICE);
}
static struct device_operations ops = {
.init = it8518_init,
.read_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
};
static struct pnp_info pnp_dev_info[] = {
{ &ops, 0, 0, { 0, 0 }, }
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info),
pnp_dev_info);
}
struct chip_operations ec_roda_it8518_ops = {
CHIP_NAME("Roda IT8518 EC")
.enable_dev = enable_dev
};