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 18 /* print the first 11 characters to not break the tree-format. */ 19 printf(" %-10.10s [ %c ] %-10.10s ", dev->uclass->uc_drv->name, 20 dev->flags & DM_FLAG_ACTIVATED ? '+' : ' ', dev->driver->name); 21 22 for (i = depth; i >= 0; i--) { 23 is_last = (last_flag >> i) & 1; 24 if (i) { 25 if (is_last) 26 printf(" "); 27 else 28 printf("| "); 29 } else { 30 if (is_last) 31 printf("`-- "); 32 else 33 printf("|-- "); 34 } 35 } 36 37 printf("%s\n", dev->name); 38 39 list_for_each_entry(child, &dev->child_head, sibling_node) { 40 is_last = list_is_last(&child->sibling_node, &dev->child_head); 41 show_devices(child, depth + 1, (last_flag << 1) | is_last); 42 } 43 } 44 45 void dm_dump_all(void) 46 { 47 struct udevice *root; 48 49 root = dm_root(); 50 if (root) { 51 printf(" Class Probed Driver Name\n"); 52 printf("----------------------------------------\n"); 53 show_devices(root, -1, 0); 54 } 55 } 56 57 /** 58 * dm_display_line() - Display information about a single device 59 * 60 * Displays a single line of information with an option prefix 61 * 62 * @dev: Device to display 63 */ 64 static void dm_display_line(struct udevice *dev) 65 { 66 printf("- %c %s @ %08lx", 67 dev->flags & DM_FLAG_ACTIVATED ? '*' : ' ', 68 dev->name, (ulong)map_to_sysmem(dev)); 69 if (dev->seq != -1 || dev->req_seq != -1) 70 printf(", seq %d, (req %d)", dev->seq, dev->req_seq); 71 puts("\n"); 72 } 73 74 void dm_dump_uclass(void) 75 { 76 struct uclass *uc; 77 int ret; 78 int id; 79 80 for (id = 0; id < UCLASS_COUNT; id++) { 81 struct udevice *dev; 82 83 ret = uclass_get(id, &uc); 84 if (ret) 85 continue; 86 87 printf("uclass %d: %s\n", id, uc->uc_drv->name); 88 if (list_empty(&uc->dev_head)) 89 continue; 90 list_for_each_entry(dev, &uc->dev_head, uclass_node) { 91 dm_display_line(dev); 92 } 93 puts("\n"); 94 } 95 } 96