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 int pre_reloc, remained; 18 19 /* print the first 11 characters to not break the tree-format. */ 20 printf(" %08lx %-10.10s [ %c ] %-25.25s ", 21 (ulong)dev, dev->uclass->uc_drv->name, 22 dev->flags & DM_FLAG_ACTIVATED ? '+' : ' ', dev->driver->name); 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 pre_reloc = dev_read_bool(dev, "u-boot,dm-pre-reloc") || 40 dev_read_bool(dev, "u-boot,dm-spl"); 41 if (pre_reloc) 42 remained = !list_empty(&dev->uclass_node); 43 else 44 remained = 0; 45 46 printf("%s %s%s\n", dev->name, pre_reloc ? "*" : "", remained ? "*" : ""); 47 48 list_for_each_entry(child, &dev->child_head, sibling_node) { 49 is_last = list_is_last(&child->sibling_node, &dev->child_head); 50 show_devices(child, depth + 1, (last_flag << 1) | is_last); 51 } 52 } 53 54 void dm_dump_all(void) 55 { 56 struct udevice *root; 57 58 root = dm_root(); 59 if (root) { 60 printf(" Addr Class Probed Driver Name\n"); 61 printf("-------------------------------------------------------------------------\n"); 62 show_devices(root, -1, 0); 63 } 64 } 65 66 /** 67 * dm_display_line() - Display information about a single device 68 * 69 * Displays a single line of information with an option prefix 70 * 71 * @dev: Device to display 72 */ 73 static void dm_display_line(struct udevice *dev) 74 { 75 printf(" %c [ %c ] %s @ %08lx", 76 dev_read_bool(dev, "u-boot,dm-pre-pre_reloc") || 77 dev_read_bool(dev, "u-boot,dm-spl") ? '*' : ' ', 78 dev->flags & DM_FLAG_ACTIVATED ? '+' : ' ', 79 dev->name, (ulong)map_to_sysmem(dev)); 80 if (dev->seq != -1 || dev->req_seq != -1) 81 printf(", seq %d, (req %d)", dev->seq, dev->req_seq); 82 puts("\n"); 83 } 84 85 void dm_dump_uclass(void) 86 { 87 struct uclass *uc; 88 int ret; 89 int id; 90 91 for (id = 0; id < UCLASS_COUNT; id++) { 92 struct udevice *dev; 93 94 ret = uclass_get(id, &uc); 95 if (ret) 96 continue; 97 98 printf("uclass %d: %s\n", id, uc->uc_drv->name); 99 if (list_empty(&uc->dev_head)) 100 continue; 101 list_for_each_entry(dev, &uc->dev_head, uclass_node) { 102 dm_display_line(dev); 103 } 104 puts("\n"); 105 } 106 } 107