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/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <device/device.h>
#include <device/mmio.h>
#include <device/pci.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <soc/sata.h>
static void sata_init(struct device *dev)
{
uint32_t reg32, abar;
printk(BIOS_DEBUG, "Set SATA controller in AHCI mode.\n");
uint16_t reg16 = pci_read_config16(dev, SATA_MAP);
reg16 &= ~(3 << 6);
reg16 |= SATA_MAP_AHCI;
pci_write_config16(dev, SATA_MAP, reg16);
/* Initialize AHCI memory-mapped space */
abar = pci_read_config32(dev, SATA_ABAR);
/* Enable AHCI Mode */
reg32 = read32p(abar + SATA_GHC);
reg32 |= SATA_GHC_AE;
write32p(abar + SATA_GHC, reg32);
}
static struct device_operations snr_sata_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = sata_init,
.final = pci_dev_request_bus_master,
.ops_pci = &pci_dev_ops_pci,
};
static const unsigned short snr_sata_ids[] = {
PCI_DID_INTEL_SNR_SATA0,
PCI_DID_INTEL_SNR_SATA2,
0,
};
static const struct pci_driver snr_sata_driver __pci_driver = {
.ops = &snr_sata_ops,
.vendor = PCI_VID_INTEL,
.devices = snr_sata_ids,
};
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