dm: scsi: Add a generic PCI-based AHCI driver

This adds support for PCI-based AHCI controller based on DM SCSI.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>

1 files changed, 42 insertions, 0 deletions

diff --git a/drivers/ata/ahci-pci.c b/drivers/ata/ahci-pci.c
new file mode 100644
index 0000000000..f46fad899e
--- /dev/null
+++ b/drivers/ata/ahci-pci.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2017, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <ahci.h>
+#include <dm.h>
+#include <pci.h>
+
+static int ahci_pci_bind(struct udevice *dev)
+{
+	struct udevice *scsi_dev;
+
+	return ahci_bind_scsi(dev, &scsi_dev);
+}
+
+static int ahci_pci_probe(struct udevice *dev)
+{
+	return ahci_probe_scsi(dev);
+}
+
+static const struct udevice_id ahci_pci_ids[] = {
+	{ .compatible = "ahci-pci" },
+	{ }
+};
+
+U_BOOT_DRIVER(ahci_pci) = {
+	.name	= "ahci_pci",
+	.id	= UCLASS_AHCI,
+	.of_match = ahci_pci_ids,
+	.bind	= ahci_pci_bind,
+	.probe = ahci_pci_probe,
+};
+
+static struct pci_device_id ahci_pci_supported[] = {
+	{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_SATA_AHCI, ~0) },
+	{},
+};
+
+U_BOOT_PCI_DEVICE(ahci_pci, ahci_pci_supported);