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https://github.com/AsahiLinux/u-boot
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c7fbee540e
The function dm_ofnode_pre_reloc should be used instead of the function dm_fdt_pre_reloc and avoid duplicated code. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Simon Glass <sjg@chromium.org>
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2013 Google, Inc
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*/
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#ifndef __DM_UTIL_H
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#define __DM_UTIL_H
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#ifdef CONFIG_DM_WARN
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void dm_warn(const char *fmt, ...);
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#else
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static inline void dm_warn(const char *fmt, ...)
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{
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}
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#endif
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struct list_head;
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/**
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* list_count_items() - Count number of items in a list
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*
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* @param head: Head of list
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* @return number of items, or 0 if empty
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*/
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int list_count_items(struct list_head *head);
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/* Dump out a tree of all devices */
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void dm_dump_all(void);
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/* Dump out a list of uclasses and their devices */
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void dm_dump_uclass(void);
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#ifdef CONFIG_DEBUG_DEVRES
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/* Dump out a list of device resources */
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void dm_dump_devres(void);
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#else
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static inline void dm_dump_devres(void)
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{
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}
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#endif
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/**
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* Check if an of node should be or was bound before relocation.
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*
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* Devicetree nodes can be marked as needed to be bound
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* in the loader stages via special devicetree properties.
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*
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* Before relocation this function can be used to check if nodes
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* are required in either SPL or TPL stages.
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*
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* After relocation and jumping into the real U-Boot binary
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* it is possible to determine if a node was bound in one of
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* SPL/TPL stages.
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*
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* There are 3 settings currently in use
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* -
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* - u-boot,dm-pre-reloc: legacy and indicates any of TPL or SPL
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* Existing platforms only use it to indicate nodes needed in
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* SPL. Should probably be replaced by u-boot,dm-spl for
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* existing platforms.
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* @node: of node
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*
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* Returns true if node is needed in SPL/TL, false otherwise.
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*/
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bool dm_ofnode_pre_reloc(ofnode node);
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#endif
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