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1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | /* | |
3 | * 'bootdev' command | |
4 | * | |
5 | * Copyright 2021 Google LLC | |
6 | * Written by Simon Glass <sjg@chromium.org> | |
7 | */ | |
8 | ||
d678a59d | 9 | #include <common.h> |
5d053cca SG |
10 | #include <bootdev.h> |
11 | #include <bootflow.h> | |
12 | #include <bootstd.h> | |
13 | #include <command.h> | |
14 | #include <dm.h> | |
15 | #include <dm/device-internal.h> | |
16 | #include <dm/uclass-internal.h> | |
17 | ||
18 | static int bootdev_check_state(struct bootstd_priv **stdp) | |
19 | { | |
20 | struct bootstd_priv *std; | |
21 | int ret; | |
22 | ||
23 | ret = bootstd_get_priv(&std); | |
24 | if (ret) | |
25 | return ret; | |
26 | if (!std->cur_bootdev) { | |
27 | printf("Please use 'bootdev select' first\n"); | |
28 | return -ENOENT; | |
29 | } | |
30 | *stdp = std; | |
31 | ||
32 | return 0; | |
33 | } | |
34 | ||
35 | static int do_bootdev_list(struct cmd_tbl *cmdtp, int flag, int argc, | |
36 | char *const argv[]) | |
37 | { | |
38 | bool probe; | |
39 | ||
40 | probe = argc >= 2 && !strcmp(argv[1], "-p"); | |
41 | bootdev_list(probe); | |
42 | ||
43 | return 0; | |
44 | } | |
45 | ||
46 | static int do_bootdev_select(struct cmd_tbl *cmdtp, int flag, int argc, | |
47 | char *const argv[]) | |
48 | { | |
49 | struct bootstd_priv *std; | |
50 | struct udevice *dev; | |
51 | int ret; | |
52 | ||
53 | ret = bootstd_get_priv(&std); | |
54 | if (ret) | |
55 | return CMD_RET_FAILURE; | |
56 | if (argc < 2) { | |
57 | std->cur_bootdev = NULL; | |
58 | return 0; | |
59 | } | |
d9f48579 | 60 | if (bootdev_find_by_any(argv[1], &dev, NULL)) |
5d053cca SG |
61 | return CMD_RET_FAILURE; |
62 | ||
63 | std->cur_bootdev = dev; | |
64 | ||
65 | return 0; | |
66 | } | |
67 | ||
68 | static int do_bootdev_info(struct cmd_tbl *cmdtp, int flag, int argc, | |
69 | char *const argv[]) | |
70 | { | |
71 | struct bootstd_priv *priv; | |
72 | struct bootflow *bflow; | |
73 | int ret, i, num_valid; | |
74 | struct udevice *dev; | |
75 | bool probe; | |
76 | ||
77 | probe = argc >= 2 && !strcmp(argv[1], "-p"); | |
78 | ||
79 | ret = bootdev_check_state(&priv); | |
80 | if (ret) | |
81 | return CMD_RET_FAILURE; | |
82 | ||
83 | dev = priv->cur_bootdev; | |
84 | ||
85 | /* Count the number of bootflows, including how many are valid*/ | |
86 | num_valid = 0; | |
87 | for (ret = bootdev_first_bootflow(dev, &bflow), i = 0; | |
88 | !ret; | |
89 | ret = bootdev_next_bootflow(&bflow), i++) | |
90 | num_valid += bflow->state == BOOTFLOWST_READY; | |
91 | ||
92 | /* | |
93 | * Prove the device, if requested, otherwise assume that there is no | |
94 | * error | |
95 | */ | |
96 | ret = 0; | |
97 | if (probe) | |
98 | ret = device_probe(dev); | |
99 | ||
100 | printf("Name: %s\n", dev->name); | |
101 | printf("Sequence: %d\n", dev_seq(dev)); | |
02366422 | 102 | printf("Status: %s\n", ret ? simple_itoa(-ret) : device_active(dev) ? |
5d053cca SG |
103 | "Probed" : "OK"); |
104 | printf("Uclass: %s\n", dev_get_uclass_name(dev_get_parent(dev))); | |
105 | printf("Bootflows: %d (%d valid)\n", i, num_valid); | |
106 | ||
107 | return 0; | |
108 | } | |
109 | ||
bd90b092 SG |
110 | static int do_bootdev_hunt(struct cmd_tbl *cmdtp, int flag, int argc, |
111 | char *const argv[]) | |
112 | { | |
113 | struct bootstd_priv *priv; | |
114 | const char *spec = NULL; | |
115 | bool list = false; | |
116 | int ret = 0; | |
117 | ||
118 | if (argc >= 2) { | |
119 | if (!strcmp(argv[1], "-l")) | |
120 | list = true; | |
121 | else | |
122 | spec = argv[1]; | |
123 | } | |
124 | ||
125 | ret = bootstd_get_priv(&priv); | |
126 | if (ret) | |
127 | return ret; | |
128 | if (list) { | |
129 | bootdev_list_hunters(priv); | |
130 | } else { | |
c7b63d50 SG |
131 | ret = bootdev_hunt(spec, true); |
132 | if (ret) { | |
133 | printf("Failed (err=%dE)\n", ret); | |
134 | ||
135 | return CMD_RET_FAILURE; | |
136 | } | |
bd90b092 SG |
137 | } |
138 | ||
139 | return 0; | |
140 | } | |
141 | ||
3616218b | 142 | U_BOOT_LONGHELP(bootdev, |
bd90b092 SG |
143 | "list [-p] - list all available bootdevs (-p to probe)\n" |
144 | "bootdev hunt [-l|<spec>] - use hunt drivers to find bootdevs\n" | |
145 | "bootdev select <bd> - select a bootdev by name | label | seq\n" | |
3616218b | 146 | "bootdev info [-p] - show information about a bootdev (-p to probe)"); |
5d053cca SG |
147 | |
148 | U_BOOT_CMD_WITH_SUBCMDS(bootdev, "Boot devices", bootdev_help_text, | |
149 | U_BOOT_SUBCMD_MKENT(list, 2, 1, do_bootdev_list), | |
bd90b092 | 150 | U_BOOT_SUBCMD_MKENT(hunt, 2, 1, do_bootdev_hunt), |
5d053cca SG |
151 | U_BOOT_SUBCMD_MKENT(select, 2, 1, do_bootdev_select), |
152 | U_BOOT_SUBCMD_MKENT(info, 2, 1, do_bootdev_info)); |