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

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <device/device.h>
   4 #include <device/pci.h>
   5 #include <device/pci_ids.h>
   6 #include <intelblocks/sram.h>
   7 #include <soc/iomap.h>
   8
   9 __weak void soc_sram_init(struct device *dev) { /* no-op */ }
  10
  11 static void sram_read_resources(struct device *dev)
  12 {
  13         struct resource *res;
  14         pci_dev_read_resources(dev);
  15
  16         res = new_resource(dev, PCI_BASE_ADDRESS_0);
  17         res->base = SRAM_BASE_0;
  18         res->size = SRAM_SIZE_0;
  19         res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
  20
  21         res = new_resource(dev, PCI_BASE_ADDRESS_2);
  22         res->base = SRAM_BASE_2;
  23         res->size = SRAM_SIZE_2;
  24         res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
  25 }
  26
  27 static const struct device_operations device_ops = {
  28         .read_resources         = sram_read_resources,
  29         .set_resources          = pci_dev_set_resources,
  30         .enable_resources       = pci_dev_enable_resources,
  31         .init                   = soc_sram_init,
  32         .ops_pci                = &pci_dev_ops_pci,
  33 };
  34
  35 static const unsigned short pci_device_ids[] = {
  36         PCI_DID_INTEL_PTL_H_SRAM,
  37         PCI_DID_INTEL_PTL_U_H_SRAM,
  38         PCI_DID_INTEL_LNL_SRAM,
  39         PCI_DID_INTEL_MTL_SOC_SRAM,
  40         PCI_DID_INTEL_MTL_IOE_M_SRAM,
  41         PCI_DID_INTEL_MTL_IOE_P_SRAM,
  42         PCI_DID_INTEL_MTL_CRASHLOG_SRAM,
  43         PCI_DID_INTEL_APL_SRAM,
  44         PCI_DID_INTEL_GLK_SRAM,
  45         PCI_DID_INTEL_CMP_SRAM,
  46         PCI_DID_INTEL_CMP_H_SRAM,
  47         PCI_DID_INTEL_TGP_PMC_CRASHLOG_SRAM,
  48         PCI_DID_INTEL_TGL_H_SRAM,
  49         PCI_DID_INTEL_MCC_SRAM,
  50         PCI_DID_INTEL_JSP_SRAM,
  51         PCI_DID_INTEL_ADP_S_PMC_CRASHLOG_SRAM,
  52         PCI_DID_INTEL_ADP_P_PMC_CRASHLOG_SRAM,
  53         PCI_DID_INTEL_ADP_N_PMC_CRASHLOG_SRAM,
  54         PCI_DID_INTEL_RPP_S_PMC_CRASHLOG_SRAM,
  55         0,
  56 };
  57
  58 static const struct pci_driver sram __pci_driver = {
  59         .ops            = &device_ops,
  60         .vendor         = PCI_VID_INTEL,
  61         .devices        = pci_device_ids,
  62 };