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 #include <dm/util.h> 12 13 static void show_devices(struct udevice *dev, int depth, int last_flag) 14 { 15 int i, is_last; 16 struct udevice *child; 17 char class_name[12]; 18 19 /* print the first 11 characters to not break the tree-format. */ 20 strlcpy(class_name, dev->uclass->uc_drv->name, sizeof(class_name)); 21 printf(" %-11s [ %c ] ", class_name, 22 dev->flags & DM_FLAG_ACTIVATED ? '+' : ' '); 23 24 for (i = depth; i >= 0; i--) { 25 is_last = (last_flag >> i) & 1; 26 if (i) { 27 if (is_last) 28 printf(" "); 29 else 30 printf("| "); 31 } else { 32 if (is_last) 33 printf("`-- "); 34 else 35 printf("|-- "); 36 } 37 } 38 39 printf("%s\n", dev->name); 40 41 list_for_each_entry(child, &dev->child_head, sibling_node) { 42 is_last = list_is_last(&child->sibling_node, &dev->child_head); 43 show_devices(child, depth + 1, (last_flag << 1) | is_last); 44 } 45 } 46 47 void dm_dump_all(void) 48 { 49 struct udevice *root; 50 51 root = dm_root(); 52 if (root) { 53 printf(" Class Probed Name\n"); 54 printf("----------------------------------------\n"); 55 show_devices(root, -1, 0); 56 } 57 } 58 59 /** 60 * dm_display_line() - Display information about a single device 61 * 62 * Displays a single line of information with an option prefix 63 * 64 * @dev: Device to display 65 */ 66 static void dm_display_line(struct udevice *dev) 67 { 68 printf("- %c %s @ %08lx", 69 dev->flags & DM_FLAG_ACTIVATED ? '*' : ' ', 70 dev->name, (ulong)map_to_sysmem(dev)); 71 if (dev->seq != -1 || dev->req_seq != -1) 72 printf(", seq %d, (req %d)", dev->seq, dev->req_seq); 73 puts("\n"); 74 } 75 76 void dm_dump_uclass(void) 77 { 78 struct uclass *uc; 79 int ret; 80 int id; 81 82 for (id = 0; id < UCLASS_COUNT; id++) { 83 struct udevice *dev; 84 85 ret = uclass_get(id, &uc); 86 if (ret) 87 continue; 88 89 printf("uclass %d: %s\n", id, uc->uc_drv->name); 90 if (list_empty(&uc->dev_head)) 91 continue; 92 list_for_each_entry(dev, &uc->dev_head, uclass_node) { 93 dm_display_line(dev); 94 } 95 puts("\n"); 96 } 97 } 98