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/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
*
* Copyright (C) 2002-2010 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
* yaffscfg2k.c The configuration for the "direct" use of yaffs.
*
* This file is intended to be modified to your requirements.
* There is no need to redistribute this file.
*/
#include "yaffscfg.h"
#include "yaffs_guts.h"
#include "yaffsfs.h"
#include "yaffs_fileem2k.h"
#include "yaffs_nandemul2k.h"
#include "yaffs_norif1.h"
#include "yaffs_trace.h"
#include "yaffs_osglue.h"
#include <errno.h>
unsigned yaffs_trace_mask =
YAFFS_TRACE_SCAN |
YAFFS_TRACE_GC |
YAFFS_TRACE_ERASE |
YAFFS_TRACE_ERROR |
YAFFS_TRACE_TRACING |
YAFFS_TRACE_ALLOCATE |
YAFFS_TRACE_BAD_BLOCKS |
YAFFS_TRACE_VERIFY |
0;
// Configuration
#include "yaffs_ramdisk.h"
#include "yaffs_flashif.h"
#include "yaffs_flashif2.h"
#include "yaffs_nandemul2k.h"
struct yaffs_dev ram1Dev;
struct yaffs_dev flashDev;
struct yaffs_dev m18_1Dev;
int yaffs_start_up(void)
{
// Stuff to configure YAFFS
// Stuff to initialise anything special (eg lock semaphore).
yaffsfs_OSInitialisation();
// Set up devices
// /ram1 ram, yaffs1
memset(&ram1Dev,0,sizeof(ram1Dev));
ram1Dev.param.name = "ram1";
ram1Dev.param.total_bytes_per_chunk = 512;
ram1Dev.param.chunks_per_block = 32;
ram1Dev.param.n_reserved_blocks = 2; // Set this smaller for RAM
ram1Dev.param.start_block = 0; // Can use block 0
ram1Dev.param.end_block = 127; // Last block in 2MB.
//ram1Dev.param.use_nand_ecc = 1;
ram1Dev.param.n_caches = 0; // Disable caching on this device.
ram1Dev.driver_context = (void *) 0; // Used to identify the device in fstat.
ram1Dev.param.write_chunk_tags_fn = yramdisk_wr_chunk;
ram1Dev.param.read_chunk_tags_fn = yramdisk_rd_chunk;
ram1Dev.param.erase_fn = yramdisk_erase;
ram1Dev.param.initialise_flash_fn = yramdisk_initialise;
yaffs_add_device(&ram1Dev);
// /M18-1 yaffs1 on M18 nor sim
memset(&m18_1Dev,0,sizeof(m18_1Dev));
m18_1Dev.param.name = "M18-1";
m18_1Dev.param.total_bytes_per_chunk = 1024;
m18_1Dev.param.chunks_per_block =248;
m18_1Dev.param.n_reserved_blocks = 2;
m18_1Dev.param.start_block = 0; // Can use block 0
m18_1Dev.param.end_block = 31; // Last block
m18_1Dev.param.use_nand_ecc = 0; // use YAFFS's ECC
m18_1Dev.param.n_caches = 10; // Use caches
m18_1Dev.driver_context = (void *) 1; // Used to identify the device in fstat.
m18_1Dev.param.write_chunk_fn = ynorif1_WriteChunkToNAND;
m18_1Dev.param.read_chunk_fn = ynorif1_ReadChunkFromNAND;
m18_1Dev.param.erase_fn = ynorif1_EraseBlockInNAND;
m18_1Dev.param.initialise_flash_fn = ynorif1_InitialiseNAND;
m18_1Dev.param.deinitialise_flash_fn = ynorif1_Deinitialise_flash_fn;
// m18_1Dev.param.disable_soft_del = 1;
yaffs_add_device(&m18_1Dev);
// /yaffs2 yaffs2 file emulation
// 2kpage/64chunk per block
//
memset(&flashDev,0,sizeof(flashDev));
flashDev.param.name = "yaffs2";
flashDev.param.total_bytes_per_chunk = 2048;
flashDev.param.chunks_per_block = 64;
flashDev.param.n_reserved_blocks = 5;
flashDev.param.inband_tags = 0;
flashDev.param.start_block = 0;
flashDev.param.end_block = yflash2_GetNumberOfBlocks()-1;
flashDev.param.is_yaffs2 = 1;
flashDev.param.use_nand_ecc=1;
flashDev.param.wide_tnodes_disabled=0;
flashDev.param.refresh_period = 1000;
flashDev.param.n_caches = 10; // Use caches
flashDev.driver_context = (void *) 2; // Used to identify the device in fstat.
flashDev.param.write_chunk_tags_fn = yflash2_WriteChunkWithTagsToNAND;
flashDev.param.read_chunk_tags_fn = yflash2_ReadChunkWithTagsFromNAND;
flashDev.param.erase_fn = yflash2_EraseBlockInNAND;
flashDev.param.initialise_flash_fn = yflash2_InitialiseNAND;
flashDev.param.bad_block_fn = yflash2_MarkNANDBlockBad;
flashDev.param.query_block_fn = yflash2_QueryNANDBlock;
flashDev.param.enable_xattr = 1;
yaffs_add_device(&flashDev);
// todo yaffs_initialise(yaffsfs_config);
return 0;
}
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