diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/braswell/lpe.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/src/soc/intel/braswell/lpe.c b/src/soc/intel/braswell/lpe.c index 8ec944bed5..436099b4d6 100644 --- a/src/soc/intel/braswell/lpe.c +++ b/src/soc/intel/braswell/lpe.c @@ -77,8 +77,7 @@ static void lpe_enable_acpi_mode(device_t dev) /* Save BAR0, BAR1, and firmware base to ACPI NVS */ assign_device_nvs(dev, &gnvs->dev.lpe_bar0, PCI_BASE_ADDRESS_0); - /* LPE seems does not have BAR at PCI_BASE_ADDRESS_1 so disable it. */ - /* assign_device_nvs(dev, &gnvs->dev.lpe_bar1, PCI_BASE_ADDRESS_1); */ + assign_device_nvs(dev, &gnvs->dev.lpe_bar1, PCI_BASE_ADDRESS_2); assign_device_nvs(dev, &gnvs->dev.lpe_fw, FIRMWARE_PCI_REG_BASE); /* Device is enabled in ACPI mode */ @@ -165,16 +164,40 @@ static void lpe_init(device_t dev) static void lpe_read_resources(device_t dev) { + struct resource *res; pci_dev_read_resources(dev); + /* + * Allocate the BAR1 resource at index 2 to fulfil the Windows driver + * interface requirements even though the PCI device has only one BAR + */ + res = new_resource(dev, PCI_BASE_ADDRESS_2); + res->base = 0; + res->size = 0x1000; + res->limit = 0xffffffff; + res->gran = 12; + res->align = 12; + res->flags = IORESOURCE_MEM; + reserved_ram_resource(dev, FIRMWARE_PCI_REG_BASE, FIRMWARE_PHYS_BASE >> 10, FIRMWARE_PHYS_LENGTH >> 10); } +static void lpe_set_resources(device_t dev) +{ + struct resource *res; + + res = find_resource(dev, PCI_BASE_ADDRESS_2); + if (res != NULL) + res->flags |= IORESOURCE_STORED; + + pci_dev_set_resources(dev); +} + static const struct device_operations device_ops = { .read_resources = lpe_read_resources, - .set_resources = pci_dev_set_resources, + .set_resources = lpe_set_resources, .enable_resources = pci_dev_enable_resources, .init = lpe_init, .enable = NULL, |