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59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/*
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mini - a Free Software replacement for the Nintendo/BroadOn IOS.
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memory management, MMU, caches, and flushing
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Copyright (C) 2008, 2009 Hector Martin "marcan" <marcan@marcansoft.com>
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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 as published by
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the Free Software Foundation, version 2.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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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void nand_read_cluster(u32 clusterno, void *data);
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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();
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void nand_ipc(volatile ipc_request *req);
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#endif
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