1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Bootdevice for MMC
4 *
5 * Copyright 2021 Google LLC
6 * Written by Simon Glass <sjg@chromium.org>
7 */
8
9 #include <common.h>
10 #include <bootdev.h>
11 #include <bootflow.h>
12 #include <bootmeth.h>
13 #include <dm.h>
14 #include <fs.h>
15
host_get_bootflow(struct udevice * dev,struct bootflow_iter * iter,struct bootflow * bflow)16 static int host_get_bootflow(struct udevice *dev, struct bootflow_iter *iter,
17 struct bootflow *bflow)
18 {
19 int ret;
20
21 if (iter->part)
22 return log_msg_ret("max", -ESHUTDOWN);
23
24 bflow->name = strdup(dev->name);
25 if (!bflow->name)
26 return log_msg_ret("name", -ENOMEM);
27
28 ret = bootmeth_check(bflow->method, iter);
29 if (ret)
30 return log_msg_ret("check", ret);
31
32 bflow->state = BOOTFLOWST_MEDIA;
33 bflow->fs_type = FS_TYPE_SANDBOX;
34
35 ret = bootmeth_read_bootflow(bflow->method, bflow);
36 if (ret)
37 return log_msg_ret("method", ret);
38
39 return 0;
40 }
41
42 struct bootdev_ops host_bootdev_ops = {
43 .get_bootflow = host_get_bootflow,
44 };
45
46 static const struct udevice_id host_bootdev_ids[] = {
47 { .compatible = "sandbox,bootdev-host" },
48 { }
49 };
50
51 U_BOOT_DRIVER(host_bootdev) = {
52 .name = "host_bootdev",
53 .id = UCLASS_BOOTDEV,
54 .ops = &host_bootdev_ops,
55 .of_match = host_bootdev_ids,
56 };
57