From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- include/lib/fconf/fconf.h | 70 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 include/lib/fconf/fconf.h (limited to 'include/lib/fconf/fconf.h') diff --git a/include/lib/fconf/fconf.h b/include/lib/fconf/fconf.h new file mode 100644 index 0000000..131c542 --- /dev/null +++ b/include/lib/fconf/fconf.h @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2019-2020, ARM Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef FCONF_H +#define FCONF_H + +#include +#include + +/* Public API */ +#define FCONF_GET_PROPERTY(a, b, c) a##__##b##_getter(c) + +/* + * This macro takes three arguments: + * config: Configuration identifier + * name: property namespace + * callback: populate() function + */ +#define FCONF_REGISTER_POPULATOR(config, name, callback) \ + __attribute__((used, section(".fconf_populator"))) \ + const struct fconf_populator (name##__populator) = { \ + .config_type = (#config), \ + .info = (#name), \ + .populate = (callback) \ + }; + +/* + * Populator callback + * + * This structure are used by the fconf_populate function and should only be + * defined by the FCONF_REGISTER_POPULATOR macro. + */ +struct fconf_populator { + /* Description of the data loaded by the callback */ + const char *config_type; + const char *info; + + /* Callback used by fconf_populate function with a provided config dtb. + * Return 0 on success, err_code < 0 otherwise. + */ + int (*populate)(uintptr_t config); +}; + +/* This function supports to load tb_fw_config and fw_config dtb */ +int fconf_load_config(unsigned int image_id); + +/* Top level populate function + * + * This function takes a configuration dtb and calls all the registered + * populator callback with it. + * + * Panic on error. + */ +void fconf_populate(const char *config_type, uintptr_t config); + +/* FCONF specific getter */ +#define fconf__dtb_getter(prop) fconf_dtb_info.prop + +/* Structure used to locally keep a reference to the config dtb. */ +struct fconf_dtb_info_t { + uintptr_t base_addr; + size_t size; +}; + +extern struct fconf_dtb_info_t fconf_dtb_info; + +#endif /* FCONF_H */ -- cgit v1.2.3