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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2021 Aidan MacDonald
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __SPL_X1000_H__
#define __SPL_X1000_H__
#include "boot-x1000.h"
#include <stddef.h>
#include <stdint.h>
/* Memory allocator. Allocation starts from the top of DRAM and counts down.
* Allocation sizes are rounded up to a multiple of the cacheline size, so
* the returned address is always suitably aligned for DMA. */
extern void* spl_alloc(size_t count);
/* Access to boot storage medium, eg. flash or MMC/SD card.
*
* Read address and length is given in bytes. To make life easier, no
* alignment restrictions are placed on the buffer, length, or address.
* The buffer doesn't even need to be in DRAM.
*/
extern int spl_storage_open(void);
extern void spl_storage_close(void);
extern int spl_storage_read(uint32_t addr, uint32_t length, void* buffer);
/* Called on a fatal error -- it should do something visible to the user
* like flash the backlight repeatedly. */
extern void spl_error(void) __attribute__((noreturn));
#endif /* __SPL_X1000_H__ */
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