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54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/*
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* f32x/flash.h - Flash programming and reading
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*
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* Written 2008 by Werner Almesberger
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* Copyright 2008 Werner Almesberger
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*
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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; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef FLASH_H
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#define FLASH_H
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#include <sys/types.h>
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#define FPCTL 0x02
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#define FPDAT 0xb4
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#define FLASH_INIT_MAGIC1 0x02
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#define FLASH_INIT_MAGIC2 0x01
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#define FLASH_ERASE_MAGIC1 0xde
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#define FLASH_ERASE_MAGIC2 0xad
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#define FLASH_ERASE_MAGIC3 0xa5
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#define FLASH_DEVICE_ERASE 0x03
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#define FLASH_BLOCK_READ 0x06
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#define FLASH_BLOCK_WRITE 0x07
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#define FLASH_PAGE_ERASE 0x08
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#define REG_READ 0x09
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#define REG_WRITE 0x0a
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#define FLASH_STATUS_OK 0x0d
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#define InBusy (1 << 1)
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#define OutReady (1 << 0)
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void flash_device_erase(void);
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void flash_block_write(uint16_t addr, const void *data, size_t size);
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void flash_block_read(uint16_t addr, void *data, size_t size);
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void flash_init(void);
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/* @@@ doesn't really seem to work */
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uint8_t fp_reg_read(uint8_t addr);
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void fp_reg_write(uint8_t addr, uint8_t value);
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#endif /* !FLASH_H */
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