diff options
author | John Zhao <john.zhao@intel.com> | 2021-03-02 09:31:15 -0800 |
---|---|---|
committer | Patrick Georgi <pgeorgi@google.com> | 2021-03-15 06:30:52 +0000 |
commit | f3a8bf13cbfc43e45f0bb6e451608a082b59f7bf (patch) | |
tree | 49ed6cbacfc2f3dc43ca075c3a093d8ebea10996 /src | |
parent | 80273918d5972157e6576ac983a14244d6074af1 (diff) | |
download | coreboot-f3a8bf13cbfc43e45f0bb6e451608a082b59f7bf.tar.xz |
soc/intel/alderlake: Drop 100ms delay and do not poll Link Active
Drop the 100ms delay in the _PS0 method because kernel already adds this
100ms. This change also drops polling TBT PCIe root ports Link Active
State because this scheme is not applicable for SW CM.
BUG=None
TEST=Built Alderlake coreboot image successfully.
Signed-off-by: John Zhao <john.zhao@intel.com>
Change-Id: I792d3c8ca4249ed74d4090ec1efba5a180429c75
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51191
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r-- | src/soc/intel/alderlake/acpi/tcss_pcierp.asl | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/src/soc/intel/alderlake/acpi/tcss_pcierp.asl b/src/soc/intel/alderlake/acpi/tcss_pcierp.asl index 3f495be680..07d024a027 100644 --- a/src/soc/intel/alderlake/acpi/tcss_pcierp.asl +++ b/src/soc/intel/alderlake/acpi/tcss_pcierp.asl @@ -140,18 +140,6 @@ Method (D3CX, 0, Serialized) Local1 = L23R } STAT = 0x1 - - /* Wait for LA = 1 */ - Local0 = 0 - Local1 = LASX - While (Local1 == 0) { - If (Local0 > 20) { - Break - } - Sleep(5) - Local0++ - Local1 = LASX - } } /* @@ -192,8 +180,6 @@ Method (_PS0, 0, Serialized) If (PMEX == 1) { PMEX = 0 /* Disable Power Management SCI */ } - - Sleep(100) /* Wait for 100ms before return to OS starts any OS activities. */ } Method (_PS3, 0, Serialized) |