diff options
Diffstat (limited to 'src/soc/intel/xeon_sp/uncore.c')
| -rw-r--r-- | src/soc/intel/xeon_sp/uncore.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/soc/intel/xeon_sp/uncore.c b/src/soc/intel/xeon_sp/uncore.c index 2663023742..7679f2f1af 100644 --- a/src/soc/intel/xeon_sp/uncore.c +++ b/src/soc/intel/xeon_sp/uncore.c @@ -374,3 +374,34 @@ static const struct pci_driver dmi3_driver __pci_driver = { .vendor = PCI_VENDOR_ID_INTEL, .device = DMI3_DEVID, }; + +static void iio_dfx_global_init(struct device *dev) +{ + uint16_t reg16; + pci_or_config16(dev, IIO_DFX_LCK_CTL, 0x3ff); + reg16 = pci_read_config16(dev, IIO_DFX_TSWCTL0); + reg16 &= ~(1 << 4); // allow ib mmio cfg + reg16 &= ~(1 << 5); // ignore acs p2p ma lpbk + reg16 |= (1 << 3); // me disable + pci_write_config16(dev, IIO_DFX_TSWCTL0, reg16); +} + +static const unsigned short iio_dfx_global_ids[] = { + 0x202d, + 0x203d, + 0 +}; + +static struct device_operations iio_dfx_global_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = iio_dfx_global_init, + .ops_pci = &soc_pci_ops, +}; + +static const struct pci_driver iio_dfx_global_driver __pci_driver = { + .ops = &iio_dfx_global_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .devices = iio_dfx_global_ids, +}; |