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// SPDX-License-Identifier: GPL-2.0+
/*
* 'bootdev' command
*
* Copyright 2021 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#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;
}
U_BOOT_LONGHELP(bootdev,
"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)");
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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