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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | // SPDX-License-Identifier: GPL-2.0+ /* * 'bootdev' command * * Copyright 2021 Google LLC * Written by Simon Glass <sjg@chromium.org> */ #include <common.h> #include <bootdev.h> #include <bootflow.h> #include <bootstd.h> #include <command.h> #include <dm.h> #include <dm/device-internal.h> #include <dm/uclass-internal.h> static int bootdev_check_state(struct bootstd_priv **stdp) { struct bootstd_priv *std; int ret; ret = bootstd_get_priv(&std); if (ret) return ret; if (!std->cur_bootdev) { printf("Please use 'bootdev select' first\n"); return -ENOENT; } *stdp = std; return 0; } static int do_bootdev_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { bool probe; probe = argc >= 2 && !strcmp(argv[1], "-p"); bootdev_list(probe); return 0; } static int do_bootdev_select(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { struct bootstd_priv *std; struct udevice *dev; int ret; ret = bootstd_get_priv(&std); if (ret) return CMD_RET_FAILURE; if (argc < 2) { std->cur_bootdev = NULL; return 0; } if (bootdev_find_by_any(argv[1], &dev, NULL)) return CMD_RET_FAILURE; std->cur_bootdev = dev; return 0; } static int do_bootdev_info(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { struct bootstd_priv *priv; struct bootflow *bflow; int ret, i, num_valid; struct udevice *dev; bool probe; probe = argc >= 2 && !strcmp(argv[1], "-p"); ret = bootdev_check_state(&priv); if (ret) return CMD_RET_FAILURE; dev = priv->cur_bootdev; /* Count the number of bootflows, including how many are valid*/ num_valid = 0; for (ret = bootdev_first_bootflow(dev, &bflow), i = 0; !ret; ret = bootdev_next_bootflow(&bflow), i++) num_valid += bflow->state == BOOTFLOWST_READY; /* * Prove the device, if requested, otherwise assume that there is no * error */ ret = 0; if (probe) ret = device_probe(dev); printf("Name: %s\n", dev->name); printf("Sequence: %d\n", dev_seq(dev)); printf("Status: %s\n", ret ? simple_itoa(ret) : device_active(dev) ? "Probed" : "OK"); printf("Uclass: %s\n", dev_get_uclass_name(dev_get_parent(dev))); printf("Bootflows: %d (%d valid)\n", i, num_valid); return 0; } static int do_bootdev_hunt(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { struct bootstd_priv *priv; const char *spec = NULL; bool list = false; int ret = 0; if (argc >= 2) { if (!strcmp(argv[1], "-l")) list = true; else spec = argv[1]; } ret = bootstd_get_priv(&priv); if (ret) return ret; if (list) { bootdev_list_hunters(priv); } else { ret = bootdev_hunt(spec, true); if (ret) { printf("Failed (err=%dE)\n", ret); return CMD_RET_FAILURE; } } return 0; } #ifdef CONFIG_SYS_LONGHELP static char bootdev_help_text[] = "list [-p] - list all available bootdevs (-p to probe)\n" "bootdev hunt [-l|<spec>] - use hunt drivers to find bootdevs\n" "bootdev select <bd> - select a bootdev by name | label | seq\n" "bootdev info [-p] - show information about a bootdev (-p to probe)"; #endif U_BOOT_CMD_WITH_SUBCMDS(bootdev, "Boot devices", bootdev_help_text, U_BOOT_SUBCMD_MKENT(list, 2, 1, do_bootdev_list), U_BOOT_SUBCMD_MKENT(hunt, 2, 1, do_bootdev_hunt), U_BOOT_SUBCMD_MKENT(select, 2, 1, do_bootdev_select), U_BOOT_SUBCMD_MKENT(info, 2, 1, do_bootdev_info)); |