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      1 // SPDX-License-Identifier: GPL-2.0+
      2 /*
      3  * Copyright (c) 2015 Google, Inc
      4  */
      5 
      6 #include <common.h>
      7 #include <dm.h>
      8 #include <mapmem.h>
      9 #include <dm/root.h>
     10 #include <dm/util.h>
     11 
     12 static void show_devices(struct udevice *dev, int depth, int last_flag)
     13 {
     14 	int i, is_last;
     15 	struct udevice *child;
     16 
     17 	/* print the first 11 characters to not break the tree-format. */
     18 	printf(" %-10.10s [ %c ]   %-10.10s  ", dev->uclass->uc_drv->name,
     19 	       dev->flags & DM_FLAG_ACTIVATED ? '+' : ' ', dev->driver->name);
     20 
     21 	for (i = depth; i >= 0; i--) {
     22 		is_last = (last_flag >> i) & 1;
     23 		if (i) {
     24 			if (is_last)
     25 				printf("    ");
     26 			else
     27 				printf("|   ");
     28 		} else {
     29 			if (is_last)
     30 				printf("`-- ");
     31 			else
     32 				printf("|-- ");
     33 		}
     34 	}
     35 
     36 	printf("%s\n", dev->name);
     37 
     38 	list_for_each_entry(child, &dev->child_head, sibling_node) {
     39 		is_last = list_is_last(&child->sibling_node, &dev->child_head);
     40 		show_devices(child, depth + 1, (last_flag << 1) | is_last);
     41 	}
     42 }
     43 
     44 void dm_dump_all(void)
     45 {
     46 	struct udevice *root;
     47 
     48 	root = dm_root();
     49 	if (root) {
     50 		printf(" Class      Probed  Driver      Name\n");
     51 		printf("----------------------------------------\n");
     52 		show_devices(root, -1, 0);
     53 	}
     54 }
     55 
     56 /**
     57  * dm_display_line() - Display information about a single device
     58  *
     59  * Displays a single line of information with an option prefix
     60  *
     61  * @dev:	Device to display
     62  */
     63 static void dm_display_line(struct udevice *dev)
     64 {
     65 	printf("- %c %s @ %08lx",
     66 	       dev->flags & DM_FLAG_ACTIVATED ? '*' : ' ',
     67 	       dev->name, (ulong)map_to_sysmem(dev));
     68 	if (dev->seq != -1 || dev->req_seq != -1)
     69 		printf(", seq %d, (req %d)", dev->seq, dev->req_seq);
     70 	puts("\n");
     71 }
     72 
     73 void dm_dump_uclass(void)
     74 {
     75 	struct uclass *uc;
     76 	int ret;
     77 	int id;
     78 
     79 	for (id = 0; id < UCLASS_COUNT; id++) {
     80 		struct udevice *dev;
     81 
     82 		ret = uclass_get(id, &uc);
     83 		if (ret)
     84 			continue;
     85 
     86 		printf("uclass %d: %s\n", id, uc->uc_drv->name);
     87 		if (list_empty(&uc->dev_head))
     88 			continue;
     89 		list_for_each_entry(dev, &uc->dev_head, uclass_node) {
     90 			dm_display_line(dev);
     91 		}
     92 		puts("\n");
     93 	}
     94 }
     95