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40e740dc14
In FCONF_REGISTER_POPULATOR macro, add static for the fconf_populator struct. This avoids this kind of sparse warning: plat/st/common/stm32mp_fconf_io.c:181:1: warning: symbol 'stm32mp_io__populator' was not declared. Should it be static? Signed-off-by: Yann Gautier <yann.gautier@st.com> Change-Id: Icaa7da3079e82497e112585150f6348ef2ebf5e6
70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
/*
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* Copyright (c) 2019-2022, ARM Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef FCONF_H
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#define FCONF_H
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#include <stddef.h>
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#include <stdint.h>
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/* Public API */
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#define FCONF_GET_PROPERTY(a, b, c) a##__##b##_getter(c)
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/*
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* This macro takes three arguments:
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* config: Configuration identifier
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* name: property namespace
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* callback: populate() function
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*/
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#define FCONF_REGISTER_POPULATOR(config, name, callback) \
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__attribute__((used, section(".fconf_populator"))) \
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static const struct fconf_populator (name##__populator) = { \
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.config_type = (#config), \
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.info = (#name), \
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.populate = (callback) \
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};
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/*
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* Populator callback
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*
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* This structure are used by the fconf_populate function and should only be
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* defined by the FCONF_REGISTER_POPULATOR macro.
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*/
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struct fconf_populator {
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/* Description of the data loaded by the callback */
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const char *config_type;
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const char *info;
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/* Callback used by fconf_populate function with a provided config dtb.
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* Return 0 on success, err_code < 0 otherwise.
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*/
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int (*populate)(uintptr_t config);
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};
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/* This function supports to load tb_fw_config and fw_config dtb */
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int fconf_load_config(unsigned int image_id);
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/* Top level populate function
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*
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* This function takes a configuration dtb and calls all the registered
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* populator callback with it.
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*
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* Panic on error.
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*/
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void fconf_populate(const char *config_type, uintptr_t config);
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/* FCONF specific getter */
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#define fconf__dtb_getter(prop) fconf_dtb_info.prop
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/* Structure used to locally keep a reference to the config dtb. */
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struct fconf_dtb_info_t {
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uintptr_t base_addr;
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size_t size;
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};
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extern struct fconf_dtb_info_t fconf_dtb_info;
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#endif /* FCONF_H */
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