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/*
* Copyright 2013 Google Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but without any warranty; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __BOOT_FIT_H__
#define __BOOT_FIT_H__
#include <stddef.h>
#include <stdint.h>
#include "base/device_tree.h"
#include "base/list.h"
typedef enum CompressionType
{
CompressionInvalid,
CompressionNone,
CompressionLzma,
CompressionLz4,
} CompressionType;
typedef struct FitImageNode
{
const char *name;
void *data;
uint32_t size;
CompressionType compression;
ListNode list_node;
} FitImageNode;
typedef struct FitConfigNode
{
const char *name;
const char *kernel;
FitImageNode *kernel_node;
const char *fdt;
FitImageNode *fdt_node;
const char *ramdisk;
FitImageNode *ramdisk_node;
FdtProperty compat;
int compat_rank;
int compat_pos;
ListNode list_node;
} FitConfigNode;
/*
* Unpack a FIT image into memory, choosing the right configuration through the
* compatible string set by fit_add_compat() and unflattening the corresponding
* kernel device tree.
*/
FitImageNode *fit_load(void *fit, char *cmd_line, DeviceTree **dt);
/*
* Add a compatible string for the preferred kernel DT to the list for this
* platform. This should be called before the first fit_load() so it will be
* ranked as a better match than the default compatible strings. |compat| must
* stay accessible throughout depthcharge's runtime (i.e. not stack-allocated)!
*/
void fit_add_compat(const char *compat);
void fit_add_ramdisk(DeviceTree *tree, void *ramdisk_addr, size_t ramdisk_size);
#endif /* __BOOT_FIT_H__ */
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