u-boot/drivers/ufs/ufs-pci.c
Bin Meng 2ec7d657c0 ufs: Add a PCI based UFS controller driver
This adds a simple PCI based UFS controller driver with a QEMU
emulated UFS controller on the PCI bus.

Requiring QEMU v8.2+.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Neha Malcom Francis <n-francis@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2023-11-27 16:18:59 -05:00

45 lines
829 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2023 tinylab.org
* Author: Bin Meng <bmeng@tinylab.org>
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <pci.h>
#include <ufs.h>
#include <dm/device_compat.h>
#include "ufs.h"
static int ufs_pci_bind(struct udevice *dev)
{
struct udevice *scsi_dev;
return ufs_scsi_bind(dev, &scsi_dev);
}
static int ufs_pci_probe(struct udevice *dev)
{
int err;
err = ufshcd_probe(dev, NULL);
if (err)
dev_err(dev, "%s failed (ret=%d)\n", __func__, err);
return err;
}
U_BOOT_DRIVER(ufs_pci) = {
.name = "ufs_pci",
.id = UCLASS_UFS,
.bind = ufs_pci_bind,
.probe = ufs_pci_probe,
};
static struct pci_device_id ufs_supported[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_REDHAT, PCI_DEVICE_ID_REDHAT_UFS) },
{},
};
U_BOOT_PCI_DEVICE(ufs_pci, ufs_supported);