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| author | Patrick Rudolph <patrick.rudolph@9elements.com> | 2019-04-14 14:39:34 +0200 |
|---|---|---|
| committer | Patrick Rudolph <siro@das-labor.org> | 2019-05-08 14:56:12 +0000 |
| commit | 49df54a1dc0596e23e7865e65a45544c947efc9e (patch) | |
| tree | 5963a324309256a0206b8374e7dbb182feb8879c /src/mainboard/lenovo/t520 | |
| parent | 976e3e9ae68d64c374e7e2ace2df86173bd5bec8 (diff) | |
| download | coreboot-49df54a1dc0596e23e7865e65a45544c947efc9e.tar.xz | |
mb/lenovo/t520: Fix devicetree
Disable unused PCI devices.
Reduces idle power by around 0.5Watt.
Tested on Lenovo T520.
Change-Id: I6990dc5810084261b75d2a327b6a103be44fd4cc
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32317
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/mainboard/lenovo/t520')
| -rw-r--r-- | src/mainboard/lenovo/t520/variants/t520/devicetree.cb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t520/variants/t520/devicetree.cb b/src/mainboard/lenovo/t520/variants/t520/devicetree.cb index 5f1bc60863..eff2d69304 100644 --- a/src/mainboard/lenovo/t520/variants/t520/devicetree.cb +++ b/src/mainboard/lenovo/t520/variants/t520/devicetree.cb @@ -88,6 +88,8 @@ chip northbridge/intel/sandybridge device pci 1c.6 off end # PCIe Port #7 USB 3.0 only W520 device pci 1c.7 off end # PCIe Port #8 device pci 1d.0 on end # USB2 EHCI #1 + device pci 1e.0 off end # PCI-2-PCI bridge + device pci 1f.0 on #LPC bridge chip ec/lenovo/pmh7 device pnp ff.1 on # dummy @@ -167,6 +169,8 @@ chip northbridge/intel/sandybridge device i2c 5f on end end end # SMBus + device pci 1f.5 off end # IDE controller + device pci 1f.6 off end # Thermal controller end end end |