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authorTim Wawrzynczak <twawrzynczak@chromium.org>2022-06-28 12:20:10 -0600
committerTim Wawrzynczak <twawrzynczak@chromium.org>2022-07-13 16:09:06 +0000
commit5fefcd59a84aad605d7e5f9c31d483d040fc01bd (patch)
treeb4de3616332cd4f8a99eb97cc49d6a7ab474a3fd /src/ec
parent7c97e1255c9cdff4f0cf64f5215b4fe2dfa4b37e (diff)
ec/google/chromec: Update ACPI handlers for GPU
There is a new field in EC EMEM for arbitrary GPU data to be passed from EC to ACPI FW; this patch adds support for it. Also the current host event for _Q0C (EC_HOST_EVENT_USB_CHARGER) is unused, and is being repurposed in the next CL, so this patch drops the handler. Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Change-Id: Iff6f935a5bdc8c47277eaa6bcbedd5fc5ed311a4 Reviewed-on: https://review.coreboot.org/c/coreboot/+/65485 Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com> Reviewed-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com> Reviewed-by: Subrata Banik <subratabanik@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/ec')
-rw-r--r--src/ec/google/chromeec/acpi/ec.asl7
-rw-r--r--src/ec/google/chromeec/acpi/emem.asl2
2 files changed, 2 insertions, 7 deletions
diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
index e28fa1a3ea..c0c1abb9ad 100644
--- a/src/ec/google/chromeec/acpi/ec.asl
+++ b/src/ec/google/chromeec/acpi/ec.asl
@@ -169,7 +169,6 @@ Device (EC0)
\_SB.DPTC()
}
#endif
-
}
/* Read requested temperature and check against EC error values */
@@ -301,12 +300,6 @@ Device (EC0)
Notify (\_TZ, 0x80)
}
- // USB Charger
- Method (_Q0C, 0, NotSerialized)
- {
- Printf ("EC: USB CHARGER")
- }
-
// Key Pressed
Method (_Q0D, 0, NotSerialized)
{
diff --git a/src/ec/google/chromeec/acpi/emem.asl b/src/ec/google/chromeec/acpi/emem.asl
index 2a556edc68..613d027bf0 100644
--- a/src/ec/google/chromeec/acpi/emem.asl
+++ b/src/ec/google/chromeec/acpi/emem.asl
@@ -47,3 +47,5 @@ BSER, 64, // Battery Serial String
BTYP, 64, // Battery Type String
Offset (0x80),
ALS0, 16, // ALS reading 0 in lux
+Offset (0xa6),
+GPUD, 8, // GPU Data