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https://github.com/AsahiLinux/u-boot
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ee3e520dad
It is often useful to see which driver was actually selected for each device. Add a new 'Driver' column to provide this information. Sample output: Class Probed Driver Name ---------------------------------------- root [ + ] root_drive root_driver keyboard [ + ] i8042_kbd |-- keyboard serial [ + ] ns16550_se |-- serial rtc [ ] rtc_mc1468 |-- rtc timer [ + ] tsc_timer |-- tsc-timer syscon [ + ] ich6_pinct |-- pch_pinctrl pci [ + ] pci_x86 |-- pci northbridge [ + ] bd82x6x_no | |-- northbridge@0,0 video [ + ] bd82x6x_vi | |-- gma@2,0 vidconsole0 [ + ] vidconsole | | `-- gma@2,0.vidconsole0 ... Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
95 lines
2 KiB
C
95 lines
2 KiB
C
/*
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* Copyright (c) 2015 Google, Inc
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <mapmem.h>
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#include <dm/root.h>
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#include <dm/util.h>
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static void show_devices(struct udevice *dev, int depth, int last_flag)
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{
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int i, is_last;
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struct udevice *child;
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/* print the first 11 characters to not break the tree-format. */
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printf(" %-10.10s [ %c ] %-10.10s ", dev->uclass->uc_drv->name,
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dev->flags & DM_FLAG_ACTIVATED ? '+' : ' ', dev->driver->name);
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for (i = depth; i >= 0; i--) {
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is_last = (last_flag >> i) & 1;
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if (i) {
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if (is_last)
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printf(" ");
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else
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printf("| ");
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} else {
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if (is_last)
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printf("`-- ");
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else
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printf("|-- ");
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}
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}
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printf("%s\n", dev->name);
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list_for_each_entry(child, &dev->child_head, sibling_node) {
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is_last = list_is_last(&child->sibling_node, &dev->child_head);
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show_devices(child, depth + 1, (last_flag << 1) | is_last);
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}
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}
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void dm_dump_all(void)
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{
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struct udevice *root;
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root = dm_root();
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if (root) {
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printf(" Class Probed Driver Name\n");
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printf("----------------------------------------\n");
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show_devices(root, -1, 0);
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}
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}
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/**
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* dm_display_line() - Display information about a single device
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*
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* Displays a single line of information with an option prefix
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*
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* @dev: Device to display
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*/
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static void dm_display_line(struct udevice *dev)
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{
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printf("- %c %s @ %08lx",
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dev->flags & DM_FLAG_ACTIVATED ? '*' : ' ',
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dev->name, (ulong)map_to_sysmem(dev));
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if (dev->seq != -1 || dev->req_seq != -1)
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printf(", seq %d, (req %d)", dev->seq, dev->req_seq);
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puts("\n");
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}
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void dm_dump_uclass(void)
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{
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struct uclass *uc;
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int ret;
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int id;
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for (id = 0; id < UCLASS_COUNT; id++) {
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struct udevice *dev;
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ret = uclass_get(id, &uc);
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if (ret)
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continue;
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printf("uclass %d: %s\n", id, uc->uc_drv->name);
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if (list_empty(&uc->dev_head))
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continue;
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list_for_each_entry(dev, &uc->dev_head, uclass_node) {
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dm_display_line(dev);
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}
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puts("\n");
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}
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}
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