In SPL it is sometimes useful to be able to obtain a dump of the current driver model state. Since commands are not available, provide a way to directly call the functions to output this information. Adjust the existing commands to use these functions. Signed-off-by: Simon Glass <sjg@chromium.org>master
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/*
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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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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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char class_name[12]; |
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/* print the first 11 characters to not break the tree-format. */ |
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strlcpy(class_name, dev->uclass->uc_drv->name, sizeof(class_name)); |
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printf(" %-11s [ %c ] ", class_name, |
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dev->flags & DM_FLAG_ACTIVATED ? '+' : ' '); |
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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 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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