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ec/lenovo/h8/acpi: Fix ACPI error in _INI 

Store the power on defaults in the _REG method after the ERAM region
is ready for use. It might not be ready when accessed from _INI.

Tested on Lenovo T430.

Change-Id: I70f22f8ac61dd850180fa159313bb0f8e4ab31d9
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/27710
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Patrick Rudolph 2018-07-29 08:08:33 +02:00 committed by Patrick Georgi
parent e67f626664
commit dbf5a5d0f8
2 changed files with 17 additions and 9 deletions
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14
src/ec/lenovo/h8/acpi/ec.asl
View File

@ -75,6 +75,20 @@ Device(EC)
DKR3, 1 /* Dock register 3 */ DKR3, 1 /* Dock register 3 */
} }
/* Called on OperationRegion driver changes */
Method (_REG, 2, NotSerialized)
{
/* Wait for ERAM driver loaded */
if (LEqual(Arg1, One)) {
/* Fill HKEY defaults on first boot */
if (LEqual(^HKEY.INIT, Zero)) {
Store (BTEB, ^HKEY.WBDC)
Store (WWEB, ^HKEY.WWAN)
Store (One, ^HKEY.INIT)
}
}
}
Method (_CRS, 0, Serialized) Method (_CRS, 0, Serialized)
{ {
Name (ECMD, ResourceTemplate() Name (ECMD, ResourceTemplate()

12
src/ec/lenovo/h8/acpi/thinkpad.asl
View File

@ -157,6 +157,9 @@ Device (HKEY)
Return (\_SB.PCI0.LPCB.EC.GSTS) Return (\_SB.PCI0.LPCB.EC.GSTS)
} }
/* Set to one on first boot */
Name (INIT, 0)
/* Has thinkpad_acpi module loaded */ /* Has thinkpad_acpi module loaded */
Name (HAST, 0) Name (HAST, 0)
@ -304,15 +307,6 @@ Device (HKEY)
} }
} }
/*
* Store initial state
*/
Method (_INI, 0, NotSerialized)
{
Store (\_SB.PCI0.LPCB.EC.BTEB, WBDC)
Store (\_SB.PCI0.LPCB.EC.WWEB, WWAN)
}
/* /*
* Called from _WAK * Called from _WAK
*/ */