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38 lines
887 B
C
38 lines
887 B
C
#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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