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drivers/generic/bayhub_lv2: Add driver for BayHub lv2

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Add a driver which puts the device into power-saving mode.

BUG=b:177955523
BRANCH=zork
TEST=boot and see this message:
BayHub LV2: Power-saving enabled 110102

Signed-off-by: John Su <john_su@compal.corp-partner.google.com>
Change-Id: Idc1340b1a6fe7063d16c8ea16488d6e2b8b308cc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49783
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
John Su
2021-01-21 13:22:58 +08:00
committed by Patrick Georgi
parent 27d4550430
commit 8fff297ea9
6 changed files with 124 additions and 0 deletions
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src/include/device/pci_ids.h
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@@ -1753,6 +1753,7 @@
#define PCI_DEVICE_ID_O2_6832 0x6832
#define PCI_DEVICE_ID_O2_6836 0x6836
#define PCI_DEVICE_ID_O2_BH720 0x8620
#define PCI_DEVICE_ID_O2_LV2 0x8621
#define PCI_VENDOR_ID_3DFX 0x121a
#define PCI_DEVICE_ID_3DFX_VOODOO 0x0001