drivers/core/dump.c

   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 #include <dm/uclass-internal.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         u32 flags = dev_get_flags(dev);
  18
  19         /* print the first 20 characters to not break the tree-format. */
  20         printf(IS_ENABLED(CONFIG_SPL_BUILD) ? " %s  %d  [ %c ]   %s  " :
  21                " %-10.10s  %3d  [ %c ]   %-20.20s  ", dev->uclass->uc_drv->name,
  22                dev_get_uclass_index(dev, NULL),
  23                flags & DM_FLAG_ACTIVATED ? '+' : ' ', dev->driver->name);
  24
  25         for (i = depth; i >= 0; i--) {
  26                 is_last = (last_flag >> i) & 1;
  27                 if (i) {
  28                         if (is_last)
  29                                 printf("    ");
  30                         else
  31                                 printf("|   ");
  32                 } else {
  33                         if (is_last)
  34                                 printf("`-- ");
  35                         else
  36                                 printf("|-- ");
  37                 }
  38         }
  39
  40         printf("%s\n", dev->name);
  41
  42         list_for_each_entry(child, &dev->child_head, sibling_node) {
  43                 is_last = list_is_last(&child->sibling_node, &dev->child_head);
  44                 show_devices(child, depth + 1, (last_flag << 1) | is_last);
  45         }
  46 }
  47
  48 void dm_dump_all(void)
  49 {
  50         struct udevice *root;
  51
  52         root = dm_root();
  53         if (root) {
  54                 printf(" Class     Index  Probed  Driver                Name\n");
  55                 printf("-----------------------------------------------------------\n");
  56                 show_devices(root, -1, 0);
  57         }
  58 }
  59
  60 /**
  61  * dm_display_line() - Display information about a single device
  62  *
  63  * Displays a single line of information with an option prefix
  64  *
  65  * @dev:        Device to display
  66  */
  67 static void dm_display_line(struct udevice *dev, int index)
  68 {
  69         printf("%-3i %c %s @ %08lx", index,
  70                dev_get_flags(dev) & DM_FLAG_ACTIVATED ? '*' : ' ',
  71                dev->name, (ulong)map_to_sysmem(dev));
  72         if (dev->seq_ != -1)
  73                 printf(", seq %d", dev_seq(dev));
  74         puts("\n");
  75 }
  76
  77 void dm_dump_uclass(void)
  78 {
  79         struct uclass *uc;
  80         int ret;
  81         int id;
  82
  83         for (id = 0; id < UCLASS_COUNT; id++) {
  84                 struct udevice *dev;
  85                 int i = 0;
  86
  87                 ret = uclass_get(id, &uc);
  88                 if (ret)
  89                         continue;
  90
  91                 printf("uclass %d: %s\n", id, uc->uc_drv->name);
  92                 if (list_empty(&uc->dev_head))
  93                         continue;
  94                 uclass_foreach_dev(dev, uc) {
  95                         dm_display_line(dev, i);
  96                         i++;
  97                 }
  98                 puts("\n");
  99         }
 100 }
 101
 102 void dm_dump_driver_compat(void)
 103 {
 104         struct driver *d = ll_entry_start(struct driver, driver);
 105         const int n_ents = ll_entry_count(struct driver, driver);
 106         struct driver *entry;
 107         const struct udevice_id *match;
 108
 109         puts("Driver                Compatible\n");
 110         puts("--------------------------------\n");
 111         for (entry = d; entry < d + n_ents; entry++) {
 112                 match = entry->of_match;
 113
 114                 printf("%-20.20s", entry->name);
 115                 if (match) {
 116                         printf("  %s", match->compatible);
 117                         match++;
 118                 }
 119                 printf("\n");
 120
 121                 for (; match && match->compatible; match++)
 122                         printf("%-20.20s  %s\n", "", match->compatible);
 123         }
 124 }
 125
 126 void dm_dump_drivers(void)
 127 {
 128         struct driver *d = ll_entry_start(struct driver, driver);
 129         const int n_ents = ll_entry_count(struct driver, driver);
 130         struct driver *entry;
 131         struct udevice *udev;
 132         struct uclass *uc;
 133         int i;
 134
 135         puts("Driver                    uid uclass               Devices\n");
 136         puts("----------------------------------------------------------\n");
 137
 138         for (entry = d; entry < d + n_ents; entry++) {
 139                 uclass_get(entry->id, &uc);
 140
 141                 printf("%-25.25s %-3.3d %-20.20s ", entry->name, entry->id,
 142                        uc ? uc->uc_drv->name : "<no uclass>");
 143
 144                 if (!uc) {
 145                         puts("\n");
 146                         continue;
 147                 }
 148
 149                 i = 0;
 150                 uclass_foreach_dev(udev, uc) {
 151                         if (udev->driver != entry)
 152                                 continue;
 153                         if (i)
 154                                 printf("%-51.51s", "");
 155
 156                         printf("%-25.25s\n", udev->name);
 157                         i++;
 158                 }
 159                 if (!i)
 160                         puts("<none>\n");
 161         }
 162 }
 163
 164 void dm_dump_static_driver_info(void)
 165 {
 166         struct driver_info *drv = ll_entry_start(struct driver_info,
 167                                                  driver_info);
 168         const int n_ents = ll_entry_count(struct driver_info, driver_info);
 169         struct driver_info *entry;
 170
 171         puts("Driver                    Address\n");
 172         puts("---------------------------------\n");
 173         for (entry = drv; entry != drv + n_ents; entry++) {
 174                 printf("%-25.25s @%08lx\n", entry->name,
 175                        (ulong)map_to_sysmem(entry->plat));
 176         }
 177 }