xref: /openbmc/u-boot/drivers/pch/pch-uclass.c (revision 32c1a6ee)
1 /*
2  * Copyright (c) 2015 Google, Inc
3  * Written by Simon Glass <sjg@chromium.org>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <dm.h>
10 #include <pch.h>
11 #include <dm/root.h>
12 
13 DECLARE_GLOBAL_DATA_PTR;
14 
15 int pch_get_sbase(struct udevice *dev, ulong *sbasep)
16 {
17 	struct pch_ops *ops = pch_get_ops(dev);
18 
19 	*sbasep = 0;
20 	if (!ops->get_sbase)
21 		return -ENOSYS;
22 
23 	return ops->get_sbase(dev, sbasep);
24 }
25 
26 enum pch_version pch_get_version(struct udevice *dev)
27 {
28 	struct pch_ops *ops = pch_get_ops(dev);
29 
30 	if (!ops->get_version)
31 		return -ENOSYS;
32 
33 	return ops->get_version(dev);
34 }
35 
36 int pch_set_spi_protect(struct udevice *dev, bool protect)
37 {
38 	struct pch_ops *ops = pch_get_ops(dev);
39 
40 	if (!ops->set_spi_protect)
41 		return -ENOSYS;
42 
43 	return ops->set_spi_protect(dev, protect);
44 }
45 
46 static int pch_uclass_post_bind(struct udevice *bus)
47 {
48 	/*
49 	 * Scan the device tree for devices
50 	 *
51 	 * Before relocation, only bind devices marked for pre-relocation
52 	 * use.
53 	 */
54 	return dm_scan_fdt_node(bus, gd->fdt_blob, bus->of_offset,
55 				gd->flags & GD_FLG_RELOC ? false : true);
56 }
57 
58 UCLASS_DRIVER(pch) = {
59 	.id		= UCLASS_PCH,
60 	.name		= "pch",
61 	.post_bind	= pch_uclass_post_bind,
62 };
63