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46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/*
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mini - a Free Software replacement for the Nintendo/BroadOn IOS.
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low-level NAND support
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Copyright (C) 2008, 2009 Hector Martin "marcan" <marcan@marcansoft.com>
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Copyright (C) 2008, 2009 Sven Peter <svenpeter@gmail.com>
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# This code is licensed to you under the terms of the GNU GPL, version 2;
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# see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
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*/
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#ifndef __NAND_H__
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#define __NAND_H__
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#include "types.h"
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#include "ipc.h"
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#define PAGE_SIZE 2048
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#define PAGE_SPARE_SIZE 64
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#define ECC_BUFFER_SIZE (PAGE_SPARE_SIZE+16)
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#define ECC_BUFFER_ALLOC (PAGE_SPARE_SIZE+32)
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#define BLOCK_SIZE 64
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#define NAND_MAX_PAGE 0x40000
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void nand_irq(void);
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void nand_send_command(u32 command, u32 bitmask, u32 flags, u32 num_bytes);
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int nand_reset(void);
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void nand_get_id(u8 *);
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void nand_get_status(u8 *);
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void nand_read_page(u32 pageno, void *data, void *ecc);
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void nand_write_page(u32 pageno, void *data, void *ecc);
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void nand_erase_block(u32 pageno);
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void nand_wait(void);
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#define NAND_ECC_OK 0
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#define NAND_ECC_CORRECTED 1
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#define NAND_ECC_UNCORRECTABLE -1
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int nand_correct(u32 pageno, void *data, void *ecc);
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void nand_initialize(void);
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void nand_ipc(volatile ipc_request *req);
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#endif
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