diff options
| -rw-r--r-- | src/soc/intel/apollolake/pmc.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/src/soc/intel/apollolake/pmc.c b/src/soc/intel/apollolake/pmc.c index 8cf9843924..c88e14c4c0 100644 --- a/src/soc/intel/apollolake/pmc.c +++ b/src/soc/intel/apollolake/pmc.c @@ -38,9 +38,29 @@ static void read_resources(device_t dev) res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; } +/* + * Part 2: + * Resources are assigned, and no other device was given an IO resource to + * overlap with our ACPI BAR. But because the resource is FIXED, + * pci_dev_set_resources() will not store it for us. We need to do that + * explicitly. + */ +static void set_resources(device_t dev) +{ + struct resource *res; + + pci_dev_set_resources(dev); + + res = find_resource(dev, PCI_BASE_ADDRESS_4); + pci_write_config32(dev, res->index, res->base); + dev->command |= PCI_COMMAND_IO; + res->flags |= IORESOURCE_STORED; + report_resource_stored(dev, res, " ACPI BAR"); +} + static const struct device_operations device_ops = { .read_resources = read_resources, - .set_resources = pci_dev_set_resources, + .set_resources = set_resources, .enable_resources = pci_dev_enable_resources, }; |