src/soc/intel/braswell/emmc.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <console/console.h>
   4 #include <device/device.h>
   5 #include <device/pci.h>
   6 #include <device/pci_ids.h>
   7 #include <reg_script.h>
   8
   9 #include <soc/device_nvs.h>
  10 #include <soc/iosf.h>
  11 #include <soc/pci_devs.h>
  12 #include <soc/ramstage.h>
  13 #include "chip.h"
  14
  15 static const struct reg_script emmc_ops[] = {
  16         REG_SCRIPT_END,
  17 };
  18
  19 static void emmc_init(struct device *dev)
  20 {
  21         struct soc_intel_braswell_config *config = config_of(dev);
  22
  23         printk(BIOS_DEBUG, "eMMC init\n");
  24         reg_script_run_on_dev(dev, emmc_ops);
  25
  26         if (config->emmc_acpi_mode) {
  27                 printk(BIOS_DEBUG, "Enabling ACPI mode\n");
  28                 scc_enable_acpi_mode(dev, SCC_MMC_CTL, SCC_NVS_MMC);
  29         }
  30 }
  31
  32 static struct device_operations emmc_device_ops = {
  33         .read_resources         = pci_dev_read_resources,
  34         .set_resources          = pci_dev_set_resources,
  35         .enable_resources       = pci_dev_enable_resources,
  36         .init                   = emmc_init,
  37         .ops_pci                = &soc_pci_ops,
  38 };
  39
  40 static const struct pci_driver southcluster __pci_driver = {
  41         .ops            = &emmc_device_ops,
  42         .vendor         = PCI_VID_INTEL,
  43         .device         = MMC_DEVID,
  44 };