| Simon Glass | 379f438 | 2022-04-24 23:31:10 -0600 | [diff] [blame] | 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 | |
| 9 | #include <common.h> |
| 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 | } |
| 60 | if (bootdev_find_by_any(argv[1], &dev)) |
| 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)); |
| 102 | printf("Status: %s\n", ret ? simple_itoa(ret) : device_active(dev) ? |
| 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 | |
| 110 | #ifdef CONFIG_SYS_LONGHELP |
| 111 | static char bootdev_help_text[] = |
| 112 | "list [-p] - list all available bootdevs (-p to probe)\n" |
| 113 | "bootdev select <bd> - select a bootdev by name | label | seq\n" |
| 114 | "bootdev info [-p] - show information about a bootdev (-p to probe)"; |
| 115 | #endif |
| 116 | |
| 117 | U_BOOT_CMD_WITH_SUBCMDS(bootdev, "Boot devices", bootdev_help_text, |
| 118 | U_BOOT_SUBCMD_MKENT(list, 2, 1, do_bootdev_list), |
| 119 | U_BOOT_SUBCMD_MKENT(select, 2, 1, do_bootdev_select), |
| 120 | U_BOOT_SUBCMD_MKENT(info, 2, 1, do_bootdev_info)); |