diff options
| author | Kenji Chen <kenji.chen@intel.com> | 2014-10-04 01:14:44 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-03-23 13:11:15 +0100 |
| commit | 31c6e632cf607ad8364c49b934f726ef02486d46 (patch) | |
| tree | dc4a40bf1f4358719837141d4a9044304fcf03d9 /src/device/Kconfig | |
| parent | 431e51ec2aeb739504bbb09c342091d407fa8ca1 (diff) | |
PCIe: Add L1 Sub-State support.
Enable L1 Sub-State when both root port and endpoint support it.
[pg: keyed the feature to MMCONF_SUPPORT, otherwise boards
without that capability fail to build.]
Change-Id: Id11fc7c73eb865411747eef63f5f901e00a17f84
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 6ac04ad7e2261846e40da297f7fa317ccebda092
Original-BUG=chrome-os-partner:31424
Original-TEST=Build a image and run on Samus proto boards to check if the
settings are applied correctly. I just only have proto boards and
need someone having EVT boards to confirm the settings.
Original-Signed-off-by: Kenji Chen <kenji.chen@intel.com>
Original-Change-Id: Id1b5a52ff0b896f4531c4a6e68e70a2cea8c736a
Original-Reviewed-on: https://chromium-review.googlesource.com/221436
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/8832
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/device/Kconfig')
| -rw-r--r-- | src/device/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/device/Kconfig b/src/device/Kconfig index 7f43888838..8ddb58cef0 100644 --- a/src/device/Kconfig +++ b/src/device/Kconfig @@ -271,6 +271,14 @@ config EARLY_PCI_BRIDGE This option enables static configuration for a single pre-defined PCI bridge function on bus 0. +config PCIEXP_L1_SUB_STATE + prompt "Enable PCIe ASPM L1 SubState" + bool + depends on PCIEXP_PLUGIN_SUPPORT && MMCONF_SUPPORT + default n + help + Detect and enable ASPM on PCIe links. + if EARLY_PCI_BRIDGE config EARLY_PCI_BRIDGE_DEVICE |