/* SPDX-License-Identifier: GPL-2.0-only */ #include <device/pci_ops.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> #include <soc/device_nvs.h> #include <soc/iosf.h> #include <soc/pci_devs.h> #include <soc/ramstage.h> #include "chip.h" #define CAP_OVERRIDE_LOW 0xa0 #define CAP_OVERRIDE_HIGH 0xa4 #define USE_CAP_OVERRIDES (1 << 31) static void sd_init(struct device *dev) { struct soc_intel_baytrail_config *config = config_of(dev); if (config->sdcard_cap_low != 0 || config->sdcard_cap_high != 0) { printk(BIOS_DEBUG, "Overriding SD Card controller caps.\n"); pci_write_config32(dev, CAP_OVERRIDE_LOW, config->sdcard_cap_low); pci_write_config32(dev, CAP_OVERRIDE_HIGH, config->sdcard_cap_high | USE_CAP_OVERRIDES); } if (config->scc_acpi_mode) scc_enable_acpi_mode(dev, SCC_SD_CTL, SCC_NVS_SD); } static const struct device_operations device_ops = { .read_resources = pci_dev_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = pci_dev_enable_resources, .init = sd_init, .ops_pci = &soc_pci_ops, }; static const struct pci_driver southcluster __pci_driver = { .ops = &device_ops, .vendor = PCI_VID_INTEL, .device = SD_DEVID, };