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- // 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));
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