diff options
Diffstat (limited to 'src/soc/intel/elkhartlake/tsn_gbe.c')
| -rw-r--r-- | src/soc/intel/elkhartlake/tsn_gbe.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/soc/intel/elkhartlake/tsn_gbe.c b/src/soc/intel/elkhartlake/tsn_gbe.c index ea2ef0e5c7..49ce4da95b 100644 --- a/src/soc/intel/elkhartlake/tsn_gbe.c +++ b/src/soc/intel/elkhartlake/tsn_gbe.c @@ -3,6 +3,7 @@ #include <console/console.h> #include <device/pci.h> #include <device/pci_ids.h> +#include <intelblocks/lpss.h> #include <soc/soc_chip.h> #include <soc/tsn_gbe.h> #include <timer.h> @@ -99,6 +100,13 @@ static void tsn_set_phy2mac_irq_polarity(void *base, enum tsn_phy_irq_polarity p } } +static void gbe_tsn_enable(struct device *dev) +{ + /* Ensure controller is in D0 state. */ + lpss_set_power_state(PCI_DEV(0, PCI_SLOT(dev->path.pci.devfn), + PCI_FUNC(dev->path.pci.devfn)), STATE_D0); +} + static void gbe_tsn_init(struct device *dev) { /* Get the base address of the I/O registers in memory space */ @@ -127,6 +135,7 @@ static struct device_operations gbe_tsn_ops = { .read_resources = pci_dev_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = pci_dev_enable_resources, + .enable = gbe_tsn_enable, .init = gbe_tsn_init, }; |