src/soc/intel/common/block/sram/sram.c

   1 /* This file is part of the coreboot project. */
   2 /* SPDX-License-Identifier: GPL-2.0-or-later */
   3
   4 #include <device/device.h>
   5 #include <device/pci.h>
   6 #include <device/pci_ids.h>
   7 #include <intelblocks/sram.h>
   8 #include <soc/iomap.h>
   9
  10 __weak void soc_sram_init(struct device *dev) { /* no-op */ }
  11
  12 static void sram_read_resources(struct device *dev)
  13 {
  14         struct resource *res;
  15         pci_dev_read_resources(dev);
  16
  17         res = new_resource(dev, PCI_BASE_ADDRESS_0);
  18         res->base = SRAM_BASE_0;
  19         res->size = SRAM_SIZE_0;
  20         res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
  21
  22         res = new_resource(dev, PCI_BASE_ADDRESS_2);
  23         res->base = SRAM_BASE_2;
  24         res->size = SRAM_SIZE_2;
  25         res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
  26 }
  27
  28 static const struct device_operations device_ops = {
  29         .read_resources         = sram_read_resources,
  30         .set_resources          = pci_dev_set_resources,
  31         .enable_resources       = pci_dev_enable_resources,
  32         .init                   = soc_sram_init,
  33         .ops_pci                = &pci_dev_ops_pci,
  34 };
  35
  36 static const unsigned short pci_device_ids[] = {
  37         PCI_DEVICE_ID_INTEL_APL_SRAM,
  38         PCI_DEVICE_ID_INTEL_GLK_SRAM,
  39         PCI_DEVICE_ID_INTEL_ICL_SRAM,
  40         PCI_DEVICE_ID_INTEL_CMP_SRAM,
  41         PCI_DEVICE_ID_INTEL_CMP_H_SRAM,
  42         PCI_DEVICE_ID_INTEL_TGL_SRAM,
  43         PCI_DEVICE_ID_INTEL_MCC_SRAM,
  44         PCI_DEVICE_ID_INTEL_JSP_SRAM,
  45         0,
  46 };
  47
  48 static const struct pci_driver sram __pci_driver = {
  49         .ops            = &device_ops,
  50         .vendor         = PCI_VENDOR_ID_INTEL,
  51         .devices        = pci_device_ids,
  52 };