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// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: © 2013 Sascha Hauer, Pengutronix
#include <command.h>
#include <common.h>
#include <complete.h>
#include <driver.h>
static int do_devinfo_subtree(struct device *dev, int depth)
{
struct device *child;
struct cdev *cdev, *cdevl;
int i;
for (i = 0; i < depth; i++)
printf(" ");
printf("`-- %s", dev_name(dev));
if (!list_empty(&dev->cdevs)) {
printf("\n");
list_for_each_entry(cdev, &dev->cdevs, devices_list) {
for (i = 0; i < depth + 1; i++)
printf(" ");
printf("`-- 0x%08llx-0x%08llx (%10s): /dev/%s",
cdev->offset,
cdev->offset + cdev->size - 1,
size_human_readable(cdev->size),
cdev->name);
list_for_each_entry(cdevl, &cdev->links, link_entry)
printf(", %s", cdevl->name);
printf("\n");
}
} else {
printf("\n");
}
if (!list_empty(&dev->children)) {
device_for_each_child(dev, child) {
do_devinfo_subtree(child, depth + 1);
}
}
return 0;
}
static int do_devinfo(int argc, char *argv[])
{
struct device *dev;
struct param_d *param;
int i;
int first;
struct resource *res;
if (argc == 1) {
for_each_device(dev) {
if (!dev->parent)
do_devinfo_subtree(dev, 0);
}
} else {
dev = get_device_by_name(argv[1]);
if (!dev)
return -ENODEV;
if (dev->num_resources)
printf("Resources:\n");
for (i = 0; i < dev->num_resources; i++) {
resource_size_t size;
res = &dev->resource[i];
size = resource_size(res);
printf(" num: %d\n", i);
if (res->name)
printf(" name: %s\n", res->name);
printf(" start: %pa\n"
" size: %pa\n",
&res->start, &size);
}
if (dev->driver)
printf("Driver: %s\n", dev->driver->name);
if (dev->bus)
printf("Bus: %s\n", dev->bus->name);
if (dev->info)
dev->info(dev);
if (dev->parent && (!dev->bus || dev->bus->dev != dev->parent))
printf("Parent: %s\n", dev_name(dev->parent));
first = true;
list_for_each_entry(param, &dev->parameters, list) {
if (first) {
printf("Parameters:\n");
first = false;
}
printf(" %s: %s (type: %s)", param->name, dev_get_param(dev, param->name),
get_param_type(param));
if (param->info) {
param->info(param);
}
printf("\n");
}
#ifdef CONFIG_OFDEVICE
if (dev->of_node) {
struct device *main_dev = dev->of_node->dev;
printf("DMA Coherent: %s%s\n",
dev_is_dma_coherent(dev) ? "true" : "false",
dev->dma_coherent == DEV_DMA_COHERENCE_DEFAULT ? " (default)" : "");
printf("Device node: %pOF", dev->of_node);
if (!main_dev) {
printf(" (unpopulated)\n");
} else if (main_dev != dev) {
printf(" (populated by %s)\n", dev_name(main_dev));
} else {
printf("\n");
of_print_nodes(dev->of_node, 0, ~0);
}
}
#endif
}
return 0;
}
BAREBOX_CMD_HELP_START(devinfo)
BAREBOX_CMD_HELP_TEXT("If called without arguments, devinfo shows a summary of the known")
BAREBOX_CMD_HELP_TEXT("devices.")
BAREBOX_CMD_HELP_TEXT("")
BAREBOX_CMD_HELP_TEXT("If called with a device path being the argument, devinfo shows more")
BAREBOX_CMD_HELP_TEXT("default information about this device and its parameters.")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(devinfo)
.cmd = do_devinfo,
BAREBOX_CMD_DESC("show information about devices")
BAREBOX_CMD_OPTS("[DEVICE]")
BAREBOX_CMD_GROUP(CMD_GRP_INFO)
BAREBOX_CMD_HELP(cmd_devinfo_help)
BAREBOX_CMD_COMPLETE(device_complete)
BAREBOX_CMD_END
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