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