src/soc/intel/xeon_sp/skx/chip.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 #include <acpi/acpigen_pci.h>
   3 #include <cbfs.h>
   4 #include <console/console.h>
   5 #include <device/pci.h>
   6 #include <device/pci_ids.h>
   7 #include <gpio.h>
   8 #include <intelblocks/acpi.h>
   9 #include <soc/acpi.h>
  10 #include <soc/chip_common.h>
  11 #include <soc/numa.h>
  12 #include <soc/pch.h>
  13 #include <soc/pci_devs.h>
  14 #include <soc/soc_pch.h>
  15 #include <soc/ramstage.h>
  16 #include <soc/soc_util.h>
  17 #include <soc/util.h>
  18
  19 static struct device_operations cpu_bus_ops = {
  20         .read_resources = noop_read_resources,
  21         .set_resources = noop_set_resources,
  22         .init = mp_cpu_bus_init,
  23 #if CONFIG(HAVE_ACPI_TABLES)
  24         /* defined in src/soc/intel/common/block/acpi/acpi.c */
  25         .acpi_fill_ssdt = generate_cpu_entries,
  26 #endif
  27 };
  28
  29 static void soc_enable_dev(struct device *dev)
  30 {
  31         /* Set the operations if it is a special bus type */
  32         if (dev->path.type == DEVICE_PATH_DOMAIN) {
  33                 /* domain ops are assigned at their creation */
  34         } else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) {
  35                 dev->ops = &cpu_bus_ops;
  36         } else if (dev->path.type == DEVICE_PATH_GPIO) {
  37                 block_gpio_enable(dev);
  38         }
  39 }
  40
  41 static void set_imc_locks(void)
  42 {
  43         struct device *dev = 0;
  44         while ((dev = dev_find_device(PCI_VID_INTEL, IMC_M2MEM_DEVID, dev)))
  45                 pci_or_config32(dev, IMC_M2MEM_TIMEOUT, TIMEOUT_LOCK);
  46 }
  47
  48 static void set_upi_locks(void)
  49 {
  50         struct device *dev = 0;
  51         while ((dev = dev_find_device(PCI_VID_INTEL, UPI_LL_CR_DEVID, dev)))
  52                 pci_or_config32(dev, UPI_LL_CR_KTIMISCMODLCK, KTIMISCMODLCK_LOCK);
  53 }
  54
  55 static void soc_final(void *data)
  56 {
  57         // Temp Fix - should be done by FSP, in 2S bios completion
  58         // is not carried out on socket 2
  59         set_imc_locks();
  60         set_upi_locks();
  61 }
  62
  63 static void soc_init(void *data)
  64 {
  65         printk(BIOS_DEBUG, "coreboot: calling fsp_silicon_init\n");
  66         fsp_silicon_init();
  67
  68         setup_pds();
  69         attach_iio_stacks();
  70
  71         override_hpet_ioapic_bdf();
  72         pch_lock_dmictl();
  73 }
  74
  75 void platform_fsp_silicon_init_params_cb(FSPS_UPD *silupd)
  76 {
  77         mainboard_silicon_init_params(silupd);
  78 }
  79
  80 struct chip_operations soc_intel_xeon_sp_skx_ops = {
  81         .name = "Intel Skylake-SP",
  82         .enable_dev = soc_enable_dev,
  83         .init = soc_init,
  84         .final = soc_final
  85 };
  86
  87 struct pci_operations soc_pci_ops = {
  88         .set_subsystem = pci_dev_set_subsystem,
  89 };