/*
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* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
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*
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* Copyright (C) 2002-2011 Aleph One Ltd.
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* for Toby Churchill Ltd and Brightstar Engineering
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*
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* Created by Charles Manning <charles@aleph1.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/*
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* yaffscfg2k.c The configuration for the "direct" use of yaffs.
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*
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* This file is intended to be modified to your requirements.
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* There is no need to redistribute this file.
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*/
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#include "yaffscfg.h"
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#include "yaffs_guts.h"
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#include "yaffsfs.h"
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#include "yaffs_trace.h"
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#include "yaffs_osglue.h"
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#include "yaffs_k9f2g08.h"
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//#include <asm/errno.h>
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//#include <errno.h>
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#if 1
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unsigned yaffs_trace_mask =
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// YAFFS_TRACE_SCAN |
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YAFFS_TRACE_GC |
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// YAFFS_TRACE_MTD |
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YAFFS_TRACE_ERASE |
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YAFFS_TRACE_ERROR |
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// YAFFS_TRACE_TRACING |
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// YAFFS_TRACE_ALLOCATE |
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YAFFS_TRACE_BAD_BLOCKS |
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// YAFFS_TRACE_VERIFY |
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// YAFFS_TRACE_ALWAYS |
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0;
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#else
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unsigned yaffs_trace_mask = 0xFFFFFFFF;
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#endif
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int yaffs_devconfig(char *_mp, int start_block, int end_block)
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{
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struct yaffs_dev *dev = NULL;
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char *mp = NULL;
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dev = malloc(sizeof(*dev));
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mp = strdup(_mp);
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if (!dev || !mp)
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{
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/* Alloc error */
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printf("Failed to allocate memory\n");
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return -1;
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}
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/* Seems sane, so configure */
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memset(dev, 0, sizeof(*dev));
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dev->param.name = mp;
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dev->param.is_yaffs2 = 1;
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dev->param.total_bytes_per_chunk = NF_PAGE_SIZE;
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dev->param.spare_bytes_per_chunk = NF_SPARE_SIZE;
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dev->param.chunks_per_block = NF_BLOCK_SIZE / NF_PAGE_SIZE;
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dev->param.start_block = start_block;
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dev->param.end_block = end_block;
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dev->param.n_reserved_blocks = 8;
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dev->param.inband_tags = 0;
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dev->param.use_nand_ecc = 0;
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dev->param.no_tags_ecc = 0;
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dev->param.n_caches=0;
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dev->param.empty_lost_n_found = 1;
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dev->param.skip_checkpt_rd = 0;
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dev->param.skip_checkpt_wr = 0;
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dev->param.refresh_period = 1000;
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dev->param.initialise_flash_fn = ynf_init;
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dev->param.erase_fn = ynf_erase_block;
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dev->param.write_chunk_tags_fn = ynf_write_chunk_tags;
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dev->param.read_chunk_tags_fn = ynf_read_chunk_tags;
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dev->param.bad_block_fn = ynf_mark_block_bad;
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dev->param.query_block_fn = ynf_query_block;
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dev->driver_context = NULL;
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yaffs_add_device(dev);
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printf("Configures yaffs mount %s: start block %d, end block %d %s\n",
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mp, start_block, end_block, dev->param.inband_tags ? "using inband tags" : "");
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return 0;
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}
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/* Configure the devices that will be used */
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int yaffs_start_up(void)
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{
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static int start_up_called = 0;
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if(start_up_called)
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return 0;
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start_up_called = 1;
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yaffs_devconfig(YAFFSFS_MNT_POINT, YAFFSFS_START_BLOCK, YAFFSFS_END_BLOCK);
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/* Call the OS initialisation (eg. set up lock semaphore */
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yaffsfs_OSInitialisation();
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return 0;
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}
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