src/soc/intel/braswell/scc.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <acpi/acpi_gnvs.h>
   4 #include <device/device.h>
   5 #include <device/pci.h>
   6 #include <soc/iosf.h>
   7 #include <soc/device_nvs.h>
   8 #include <soc/ramstage.h>
   9
  10 void scc_enable_acpi_mode(struct device *dev, int iosf_reg, int nvs_index)
  11 {
  12         struct resource *bar;
  13         struct device_nvs *dev_nvs = acpi_get_device_nvs();
  14
  15         /* Save BAR0 and BAR1 to ACPI NVS */
  16         bar = probe_resource(dev, PCI_BASE_ADDRESS_0);
  17         if (bar)
  18                 dev_nvs->scc_bar0[nvs_index] = bar->base;
  19         bar = probe_resource(dev, PCI_BASE_ADDRESS_2);
  20         if (bar)
  21                 dev_nvs->scc_bar1[nvs_index] = bar->base;
  22
  23         /* Device is enabled in ACPI mode */
  24         dev_nvs->scc_en[nvs_index] = 1;
  25 }