xref: /openbmc/u-boot/drivers/ata/ahci_mvebu.c (revision cbd2fba1)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2016 Stefan Roese <sr@denx.de>
4  */
5 
6 #include <common.h>
7 #include <ahci.h>
8 #include <dm.h>
9 
10 /*
11  * Dummy implementation that can be overwritten by a board
12  * specific function
13  */
14 __weak int board_ahci_enable(void)
15 {
16 	return 0;
17 }
18 
19 static int mvebu_ahci_bind(struct udevice *dev)
20 {
21 	struct udevice *scsi_dev;
22 	int ret;
23 
24 	ret = ahci_bind_scsi(dev, &scsi_dev);
25 	if (ret) {
26 		debug("%s: Failed to bind (err=%d\n)", __func__, ret);
27 		return ret;
28 	}
29 
30 	return 0;
31 }
32 
33 static int mvebu_ahci_probe(struct udevice *dev)
34 {
35 	/*
36 	 * Board specific SATA / AHCI enable code, e.g. enable the
37 	 * AHCI power or deassert reset
38 	 */
39 	board_ahci_enable();
40 
41 	ahci_probe_scsi(dev, (ulong)devfdt_get_addr_ptr(dev));
42 
43 	return 0;
44 }
45 
46 static const struct udevice_id mvebu_ahci_ids[] = {
47 	{ .compatible = "marvell,armada-3700-ahci" },
48 	{ .compatible = "marvell,armada-8k-ahci" },
49 	{ }
50 };
51 
52 U_BOOT_DRIVER(ahci_mvebu_drv) = {
53 	.name		= "ahci_mvebu",
54 	.id		= UCLASS_AHCI,
55 	.of_match	= mvebu_ahci_ids,
56 	.bind		= mvebu_ahci_bind,
57 	.probe		= mvebu_ahci_probe,
58 };
59