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The NAND Flash environment consists of several distinct components: - NAND framework (drivers harness for NAND controllers and NAND chips) - NAND simulator (NANDsim) - NAND file system (NAND FS) - Companion tools and utilities - Documentation (manual pages) This work is still experimental. Please use with caution. Obtained from: Semihalf Supported by: FreeBSD Foundation, Juniper Networks
169 lines
3.0 KiB
Objective-C
169 lines
3.0 KiB
Objective-C
#-
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# Copyright (C) 2009-2012 Semihalf
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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# NAND chip interface description
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#
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#include <sys/bus.h>
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#include <dev/nand/nand.h>
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INTERFACE nand;
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CODE {
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static int nand_method_not_supported(device_t dev)
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{
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return (ENOENT);
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}
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};
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# Read NAND page
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#
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# Return values:
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# 0: Success
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#
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METHOD int read_page {
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device_t dev;
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uint32_t page;
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void* buf;
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uint32_t len;
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uint32_t offset;
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};
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# Program NAND page
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#
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# Return values:
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# 0: Success
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#
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METHOD int program_page {
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device_t dev;
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uint32_t page;
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void* buf;
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uint32_t len;
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uint32_t offset;
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};
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# Program NAND page interleaved
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#
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# Return values:
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# 0: Success
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#
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METHOD int program_page_intlv {
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device_t dev;
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uint32_t page;
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void* buf;
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uint32_t len;
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uint32_t offset;
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} DEFAULT nand_method_not_supported;
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# Read NAND oob
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#
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# Return values:
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# 0: Success
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#
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METHOD int read_oob {
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device_t dev;
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uint32_t page;
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void* buf;
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uint32_t len;
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uint32_t offset;
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};
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# Program NAND oob
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#
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# Return values:
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# 0: Success
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#
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METHOD int program_oob {
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device_t dev;
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uint32_t page;
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void* buf;
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uint32_t len;
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uint32_t offset;
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};
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# Erase NAND block
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#
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# Return values:
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# 0: Success
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#
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METHOD int erase_block {
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device_t dev;
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uint32_t block;
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};
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# Erase NAND block interleaved
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#
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# Return values:
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# 0: Success
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#
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METHOD int erase_block_intlv {
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device_t dev;
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uint32_t block;
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} DEFAULT nand_method_not_supported;
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# NAND get status
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#
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# Return values:
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# 0: Success
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#
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METHOD int get_status {
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device_t dev;
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uint8_t *status;
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};
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# NAND check if block is bad
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#
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# Return values:
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# 0: Success
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#
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METHOD int is_blk_bad {
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device_t dev;
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uint32_t block_number;
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uint8_t *bad;
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};
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# NAND get ECC
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#
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#
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METHOD int get_ecc {
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device_t dev;
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void *buf;
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void *ecc;
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int *needwrite;
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};
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# NAND correct ECC
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#
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#
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METHOD int correct_ecc {
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device_t dev;
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void *buf;
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void *readecc;
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void *calcecc;
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};
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