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67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/*
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* minute - a port of the "mini" IOS replacement for the Wii U.
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*
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* Copyright (C) 2021 rw-r-r-0644
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* Copyright (C) 2016 SALT
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* Copyright (C) 2016 Daz Jones <daz@dazzozo.com>
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*
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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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*
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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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#define NAND_WRITE_ENABLED 1
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#define NAND_DATA_ALIGN 128
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/* nand structure definitions */
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#define PAGE_SIZE 0x800
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#define PAGE_COUNT 0x40000
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#define SPARE_SIZE 0x40
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#define CLUSTER_PAGES 8
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#define CLUSTER_SIZE (PAGE_SIZE * CLUSTER_PAGES)
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#define CLUSTER_COUNT (PAGE_COUNT / CLUSTER_PAGES)
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#define BLOCK_CLUSTERS 8
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#define BLOCK_PAGES 0x40
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#define BLOCK_SIZE (CLUSTER_SIZE * BLOCK_CLUSTERS)
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#define BLOCK_COUNT 0x1000
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/* nand banks */
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#define BANK_SLCCMPT 1
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#define BANK_SLC 2
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/* initialize nand */
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void nand_initialize(void);
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/* shutdown nand interface */
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void nand_deinitialize(void);
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/* read page and spare */
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int nand_read_page(u32 pageno, void *data, void *spare);
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#if NAND_WRITE_ENABLED
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/* write page and spare */
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int nand_write_page(u32 pageno, void *data, void *spare);
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/* erase a block of pages */
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int nand_erase_block(u32 blockno);
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#endif
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/* set enabled nand banks */
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void nand_enable_banks(u32 bank);
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/* nand irq handler */
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void nand_irq(void);
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#endif
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