1 /* 2 * Copyright (c) 2015 Google, Inc 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <dm.h> 9 #include <mapmem.h> 10 #include <dm/root.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 char class_name[12]; 17 18 /* print the first 11 characters to not break the tree-format. */ 19 strlcpy(class_name, dev->uclass->uc_drv->name, sizeof(class_name)); 20 printf(" %-11s [ %c ] ", class_name, 21 dev->flags & DM_FLAG_ACTIVATED ? '+' : ' '); 22 23 for (i = depth; i >= 0; i--) { 24 is_last = (last_flag >> i) & 1; 25 if (i) { 26 if (is_last) 27 printf(" "); 28 else 29 printf("| "); 30 } else { 31 if (is_last) 32 printf("`-- "); 33 else 34 printf("|-- "); 35 } 36 } 37 38 printf("%s\n", dev->name); 39 40 list_for_each_entry(child, &dev->child_head, sibling_node) { 41 is_last = list_is_last(&child->sibling_node, &dev->child_head); 42 show_devices(child, depth + 1, (last_flag << 1) | is_last); 43 } 44 } 45 46 void dm_dump_all(void) 47 { 48 struct udevice *root; 49 50 root = dm_root(); 51 if (root) { 52 printf(" Class Probed Name\n"); 53 printf("----------------------------------------\n"); 54 show_devices(root, -1, 0); 55 } 56 } 57 58 /** 59 * dm_display_line() - Display information about a single device 60 * 61 * Displays a single line of information with an option prefix 62 * 63 * @dev: Device to display 64 */ 65 static void dm_display_line(struct udevice *dev) 66 { 67 printf("- %c %s @ %08lx", 68 dev->flags & DM_FLAG_ACTIVATED ? '*' : ' ', 69 dev->name, (ulong)map_to_sysmem(dev)); 70 if (dev->seq != -1 || dev->req_seq != -1) 71 printf(", seq %d, (req %d)", dev->seq, dev->req_seq); 72 puts("\n"); 73 } 74 75 void dm_dump_uclass(void) 76 { 77 struct uclass *uc; 78 int ret; 79 int id; 80 81 for (id = 0; id < UCLASS_COUNT; id++) { 82 struct udevice *dev; 83 84 ret = uclass_get(id, &uc); 85 if (ret) 86 continue; 87 88 printf("uclass %d: %s\n", id, uc->uc_drv->name); 89 if (list_empty(&uc->dev_head)) 90 continue; 91 list_for_each_entry(dev, &uc->dev_head, uclass_node) { 92 dm_display_line(dev); 93 } 94 puts("\n"); 95 } 96 } 97