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https://github.com/AsahiLinux/u-boot
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7b9d60fc1f
This adds a subcommand to dm to dump out what drivers are installed, and their compatible strings. I have found this useful in ensuring that I have the correct drivers compiled, and that I have put in the correct compatible strings. Signed-off-by Sean Anderson <seanga2@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
117 lines
2.7 KiB
C
117 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2015 Google, Inc
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*/
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#include <common.h>
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#include <dm.h>
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#include <mapmem.h>
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#include <dm/root.h>
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#include <dm/util.h>
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#include <dm/uclass-internal.h>
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static void show_devices(struct udevice *dev, int depth, int last_flag)
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{
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int i, is_last;
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struct udevice *child;
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/* print the first 20 characters to not break the tree-format. */
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printf(" %-10.10s %3d [ %c ] %-20.20s ", dev->uclass->uc_drv->name,
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dev_get_uclass_index(dev, NULL),
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dev->flags & DM_FLAG_ACTIVATED ? '+' : ' ', dev->driver->name);
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for (i = depth; i >= 0; i--) {
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is_last = (last_flag >> i) & 1;
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if (i) {
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if (is_last)
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printf(" ");
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else
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printf("| ");
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} else {
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if (is_last)
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printf("`-- ");
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else
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printf("|-- ");
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}
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}
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printf("%s\n", dev->name);
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list_for_each_entry(child, &dev->child_head, sibling_node) {
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is_last = list_is_last(&child->sibling_node, &dev->child_head);
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show_devices(child, depth + 1, (last_flag << 1) | is_last);
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}
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}
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void dm_dump_all(void)
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{
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struct udevice *root;
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root = dm_root();
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if (root) {
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printf(" Class Index Probed Driver Name\n");
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printf("-----------------------------------------------------------\n");
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show_devices(root, -1, 0);
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}
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}
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/**
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* dm_display_line() - Display information about a single device
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*
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* Displays a single line of information with an option prefix
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*
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* @dev: Device to display
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*/
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static void dm_display_line(struct udevice *dev, int index)
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{
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printf("%-3i %c %s @ %08lx", index,
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dev->flags & DM_FLAG_ACTIVATED ? '*' : ' ',
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dev->name, (ulong)map_to_sysmem(dev));
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if (dev->seq != -1 || dev->req_seq != -1)
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printf(", seq %d, (req %d)", dev->seq, dev->req_seq);
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puts("\n");
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}
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void dm_dump_uclass(void)
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{
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struct uclass *uc;
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int ret;
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int id;
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for (id = 0; id < UCLASS_COUNT; id++) {
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struct udevice *dev;
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int i = 0;
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ret = uclass_get(id, &uc);
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if (ret)
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continue;
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printf("uclass %d: %s\n", id, uc->uc_drv->name);
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if (list_empty(&uc->dev_head))
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continue;
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uclass_foreach_dev(dev, uc) {
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dm_display_line(dev, i);
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i++;
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}
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puts("\n");
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}
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}
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void dm_dump_drivers(void)
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{
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struct driver *d = ll_entry_start(struct driver, driver);
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const int n_ents = ll_entry_count(struct driver, driver);
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struct driver *entry;
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const struct udevice_id *match;
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puts("Driver Compatible\n");
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puts("--------------------------------\n");
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for (entry = d; entry < d + n_ents; entry++) {
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for (match = entry->of_match; match->compatible; match++)
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printf("%-20.20s %s\n",
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match == entry->of_match ? entry->name : "",
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match->compatible);
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if (match == entry->of_match)
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printf("%-20.20s\n", entry->name);
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}
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}
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