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
show_devices(struct udevice * dev,int depth,int last_flag)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(" %08lx %-10.10s [ %c ] %-25.25s ",
20 (ulong)dev, dev->uclass->uc_drv->name,
21 dev->flags & DM_FLAG_ACTIVATED ? '+' : ' ', dev->driver->name);
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 #ifdef CONFIG_USING_KERNEL_DTB_V2
39 printf("%s %s\n", dev->name, dev->flags & DM_FLAG_KNRL_DTB ? "" : "*");
40 #else
41 int pre_reloc, remained;
42
43 pre_reloc = dev->flags & DM_FLAG_KNRL_DTB ? 0 : 1;
44 remained = pre_reloc ? !list_empty(&dev->uclass_node) : 0;
45 printf("%s %s%s\n", dev->name, pre_reloc ? "*" : "", remained ? "*" : "");
46 #endif
47 list_for_each_entry(child, &dev->child_head, sibling_node) {
48 is_last = list_is_last(&child->sibling_node, &dev->child_head);
49 show_devices(child, depth + 1, (last_flag << 1) | is_last);
50 }
51 }
52
dm_dump_all(void)53 void dm_dump_all(void)
54 {
55 struct udevice *root;
56
57 root = dm_root();
58 if (root) {
59 printf(" Addr Class Probed Driver Name\n");
60 printf("-------------------------------------------------------------------------\n");
61 show_devices(root, -1, 0);
62 }
63 }
64
65 /**
66 * dm_display_line() - Display information about a single device
67 *
68 * Displays a single line of information with an option prefix
69 *
70 * @dev: Device to display
71 */
dm_display_line(struct udevice * dev)72 static void dm_display_line(struct udevice *dev)
73 {
74 printf(" [ %c ] %s @ %08lx",
75 dev->flags & DM_FLAG_ACTIVATED ? '+' : ' ',
76 dev->name, (ulong)map_to_sysmem(dev));
77 if (dev->seq != -1 || dev->req_seq != -1)
78 printf(", seq %d, (req %d)", dev->seq, dev->req_seq);
79 if (dev->driver->id == UCLASS_BLK) {
80 struct blk_desc *desc = dev_get_uclass_platdata(dev);
81 printf(" | %s%d", blk_get_if_type_name(desc->if_type), desc->devnum);
82 }
83 printf(" %c", dev->flags & DM_FLAG_KNRL_DTB ? ' ' : '*');
84 puts("\n");
85 }
86
dm_dump_uclass(void)87 void dm_dump_uclass(void)
88 {
89 struct uclass *uc;
90 int ret;
91 int id;
92
93 for (id = 0; id < UCLASS_COUNT; id++) {
94 struct udevice *dev;
95
96 ret = uclass_get(id, &uc);
97 if (ret)
98 continue;
99
100 printf("uclass %d: %s\n", id, uc->uc_drv->name);
101 if (list_empty(&uc->dev_head))
102 continue;
103 list_for_each_entry(dev, &uc->dev_head, uclass_node) {
104 dm_display_line(dev);
105 }
106 puts("\n");
107 }
108 }
109