2020-04-05 15:46:41 +02:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2013-12-10 17:35:51 +01:00
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2019-03-01 12:43:02 +01:00
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#include <device/pci_ops.h>
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2013-12-10 17:35:51 +01:00
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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2020-12-21 14:17:01 +01:00
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#include <soc/device_nvs.h>
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2014-10-08 01:42:17 +02:00
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#include <soc/iosf.h>
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#include <soc/pci_devs.h>
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#include <soc/ramstage.h>
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2013-12-10 17:35:51 +01:00
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#include "chip.h"
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2020-07-07 17:59:14 +02:00
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#define CAP_OVERRIDE_LOW 0xa0
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#define CAP_OVERRIDE_HIGH 0xa4
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#define USE_CAP_OVERRIDES (1 << 31)
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2013-12-10 17:35:51 +01:00
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2018-05-22 10:42:28 +02:00
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static void sd_init(struct device *dev)
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2013-12-10 17:35:51 +01:00
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{
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2019-07-13 21:16:25 +02:00
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struct soc_intel_baytrail_config *config = config_of(dev);
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2013-12-10 17:35:51 +01:00
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if (config->sdcard_cap_low != 0 || config->sdcard_cap_high != 0) {
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printk(BIOS_DEBUG, "Overriding SD Card controller caps.\n");
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2020-07-07 17:59:14 +02:00
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pci_write_config32(dev, CAP_OVERRIDE_LOW, config->sdcard_cap_low);
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pci_write_config32(dev, CAP_OVERRIDE_HIGH, config->sdcard_cap_high |
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USE_CAP_OVERRIDES);
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2013-12-10 17:35:51 +01:00
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}
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2013-12-10 23:37:42 +01:00
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if (config->scc_acpi_mode)
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scc_enable_acpi_mode(dev, SCC_SD_CTL, SCC_NVS_SD);
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2013-12-10 17:35:51 +01:00
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}
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static const struct device_operations device_ops = {
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = sd_init,
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.ops_pci = &soc_pci_ops,
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};
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static const struct pci_driver southcluster __pci_driver = {
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.ops = &device_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = SD_DEVID,
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};
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