diff options
Diffstat (limited to 'src/soc/intel/cannonlake')
| -rw-r--r-- | src/soc/intel/cannonlake/lpc.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/lpc.c b/src/soc/intel/cannonlake/lpc.c index 60729f144a..c02d66e54d 100644 --- a/src/soc/intel/cannonlake/lpc.c +++ b/src/soc/intel/cannonlake/lpc.c @@ -203,4 +203,22 @@ void lpc_soc_init(struct device *dev) i8259_configure_irq_trigger(9, 1); clock_gate_8254(dev); } + +/* Fill up LPC IO resource structure inside SoC directory */ +void pch_lpc_soc_fill_io_resources(struct device *dev) +{ + /* + * PMC pci device gets hidden from PCI bus due to Silicon + * policy hence bind ACPI BASE aka ABASE (offset 0x20) with + * LPC IO resources to ensure that ABASE falls under PCI reserved + * IO memory range. + * + * Note: Don't add any more resource with same offset 0x20 + * under this device space. + */ + pch_lpc_add_new_resource(dev, PCI_BASE_ADDRESS_4, + ACPI_BASE_ADDRESS, ACPI_BASE_SIZE, IORESOURCE_IO | + IORESOURCE_ASSIGNED | IORESOURCE_FIXED); +} + #endif |