mirror of
https://github.com/AsahiLinux/u-boot
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c7b63d500d
Add a way to run a bootdev hunter to find bootdevs of a certain type. Add this to the 'bootdev hunt' command. Test for this are added in a later patch, since a useful test needs some hunters to work with. Signed-off-by: Simon Glass <sjg@chromium.org>
154 lines
3.3 KiB
C
154 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* 'bootdev' command
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*
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* Copyright 2021 Google LLC
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#include <common.h>
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#include <bootdev.h>
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#include <bootflow.h>
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#include <bootstd.h>
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#include <command.h>
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#include <dm.h>
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#include <dm/device-internal.h>
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#include <dm/uclass-internal.h>
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static int bootdev_check_state(struct bootstd_priv **stdp)
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{
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struct bootstd_priv *std;
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int ret;
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ret = bootstd_get_priv(&std);
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if (ret)
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return ret;
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if (!std->cur_bootdev) {
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printf("Please use 'bootdev select' first\n");
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return -ENOENT;
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}
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*stdp = std;
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return 0;
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}
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static int do_bootdev_list(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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bool probe;
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probe = argc >= 2 && !strcmp(argv[1], "-p");
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bootdev_list(probe);
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return 0;
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}
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static int do_bootdev_select(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct bootstd_priv *std;
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struct udevice *dev;
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int ret;
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ret = bootstd_get_priv(&std);
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if (ret)
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return CMD_RET_FAILURE;
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if (argc < 2) {
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std->cur_bootdev = NULL;
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return 0;
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}
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if (bootdev_find_by_any(argv[1], &dev))
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return CMD_RET_FAILURE;
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std->cur_bootdev = dev;
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return 0;
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}
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static int do_bootdev_info(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct bootstd_priv *priv;
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struct bootflow *bflow;
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int ret, i, num_valid;
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struct udevice *dev;
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bool probe;
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probe = argc >= 2 && !strcmp(argv[1], "-p");
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ret = bootdev_check_state(&priv);
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if (ret)
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return CMD_RET_FAILURE;
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dev = priv->cur_bootdev;
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/* Count the number of bootflows, including how many are valid*/
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num_valid = 0;
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for (ret = bootdev_first_bootflow(dev, &bflow), i = 0;
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!ret;
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ret = bootdev_next_bootflow(&bflow), i++)
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num_valid += bflow->state == BOOTFLOWST_READY;
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/*
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* Prove the device, if requested, otherwise assume that there is no
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* error
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*/
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ret = 0;
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if (probe)
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ret = device_probe(dev);
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printf("Name: %s\n", dev->name);
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printf("Sequence: %d\n", dev_seq(dev));
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printf("Status: %s\n", ret ? simple_itoa(ret) : device_active(dev) ?
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"Probed" : "OK");
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printf("Uclass: %s\n", dev_get_uclass_name(dev_get_parent(dev)));
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printf("Bootflows: %d (%d valid)\n", i, num_valid);
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return 0;
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}
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static int do_bootdev_hunt(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct bootstd_priv *priv;
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const char *spec = NULL;
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bool list = false;
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int ret = 0;
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if (argc >= 2) {
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if (!strcmp(argv[1], "-l"))
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list = true;
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else
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spec = argv[1];
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}
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ret = bootstd_get_priv(&priv);
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if (ret)
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return ret;
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if (list) {
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bootdev_list_hunters(priv);
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} else {
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ret = bootdev_hunt(spec, true);
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if (ret) {
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printf("Failed (err=%dE)\n", ret);
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return CMD_RET_FAILURE;
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}
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}
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return 0;
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}
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#ifdef CONFIG_SYS_LONGHELP
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static char bootdev_help_text[] =
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"list [-p] - list all available bootdevs (-p to probe)\n"
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"bootdev hunt [-l|<spec>] - use hunt drivers to find bootdevs\n"
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"bootdev select <bd> - select a bootdev by name | label | seq\n"
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"bootdev info [-p] - show information about a bootdev (-p to probe)";
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#endif
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U_BOOT_CMD_WITH_SUBCMDS(bootdev, "Boot devices", bootdev_help_text,
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U_BOOT_SUBCMD_MKENT(list, 2, 1, do_bootdev_list),
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U_BOOT_SUBCMD_MKENT(hunt, 2, 1, do_bootdev_hunt),
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U_BOOT_SUBCMD_MKENT(select, 2, 1, do_bootdev_select),
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U_BOOT_SUBCMD_MKENT(info, 2, 1, do_bootdev_info));
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