src/soc/intel/quark/lpc.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/pci.h>
   4 #include <device/pci_ids.h>
   5 #include <soc/iomap.h>
   6 #include <soc/pci_devs.h>
   7 #include <soc/pm.h>
   8 #include <soc/ramstage.h>
   9
  10 static void pmc_read_resources(struct device *dev)
  11 {
  12         unsigned int index = 0;
  13         struct resource *res;
  14
  15         /* Get the normal PCI resources of this device. */
  16         pci_dev_read_resources(dev);
  17
  18         /* GPE0 */
  19         res = new_resource(dev, index++);
  20         res->base = GPE0_BASE_ADDRESS;
  21         res->size = GPE0_SIZE;
  22         res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
  23
  24         /* PM1BLK */
  25         res = new_resource(dev, index++);
  26         res->base = PM1BLK_BASE_ADDRESS;
  27         res->size = PM1BLK_SIZE;
  28         res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
  29
  30         /* Legacy GPIO */
  31         res = new_resource(dev, index++);
  32         res->base = LEGACY_GPIO_BASE_ADDRESS;
  33         res->size = LEGACY_GPIO_SIZE;
  34         res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
  35 }
  36
  37 static struct device_operations device_ops = {
  38         .read_resources         = pmc_read_resources,
  39         .set_resources          = pci_dev_set_resources,
  40         .enable_resources       = pci_dev_enable_resources,
  41         .scan_bus               = scan_static_bus,
  42 };
  43
  44 static const struct pci_driver pmc __pci_driver = {
  45         .ops    = &device_ops,
  46         .vendor = PCI_VENDOR_ID_INTEL,
  47         .device = QUARK_V_LPC_DEVICE_ID_0,
  48 };