1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Bootmethod for sandbox testing
4 *
5 * Copyright 2021 Google LLC
6 * Written by Simon Glass <sjg@chromium.org>
7 */
8
9 #define LOG_CATEGORY UCLASS_BOOTSTD
10
11 #include <common.h>
12 #include <bootdev.h>
13 #include <bootflow.h>
14 #include <bootmeth.h>
15 #include <dm.h>
16
sandbox_check(struct udevice * dev,struct bootflow_iter * iter)17 static int sandbox_check(struct udevice *dev, struct bootflow_iter *iter)
18 {
19 return 0;
20 }
21
sandbox_read_bootflow(struct udevice * dev,struct bootflow * bflow)22 static int sandbox_read_bootflow(struct udevice *dev, struct bootflow *bflow)
23 {
24 /* pretend we are ready */
25 bflow->state = BOOTFLOWST_READY;
26
27 return 0;
28 }
29
sandbox_read_file(struct udevice * dev,struct bootflow * bflow,const char * file_path,ulong addr,ulong * sizep)30 static int sandbox_read_file(struct udevice *dev, struct bootflow *bflow,
31 const char *file_path, ulong addr, ulong *sizep)
32 {
33 return -ENOSYS;
34 }
35
sandbox_boot(struct udevice * dev,struct bootflow * bflow)36 static int sandbox_boot(struct udevice *dev, struct bootflow *bflow)
37 {
38 /* always fail: see bootflow_iter_disable() */
39 return -ENOTSUPP;
40 }
41
sandbox_bootmeth_bind(struct udevice * dev)42 static int sandbox_bootmeth_bind(struct udevice *dev)
43 {
44 struct bootmeth_uc_plat *plat = dev_get_uclass_plat(dev);
45
46 plat->desc = "Sandbox boot for testing";
47
48 return 0;
49 }
50
51 static struct bootmeth_ops sandbox_bootmeth_ops = {
52 .check = sandbox_check,
53 .read_bootflow = sandbox_read_bootflow,
54 .read_file = sandbox_read_file,
55 .boot = sandbox_boot,
56 };
57
58 static const struct udevice_id sandbox_bootmeth_ids[] = {
59 { .compatible = "u-boot,sandbox-extlinux" },
60 { }
61 };
62
63 U_BOOT_DRIVER(bootmeth_sandbox) = {
64 .name = "bootmeth_sandbox",
65 .id = UCLASS_BOOTMETH,
66 .of_match = sandbox_bootmeth_ids,
67 .ops = &sandbox_bootmeth_ops,
68 .bind = sandbox_bootmeth_bind,
69 };
70