25 lines
1.0 KiB
C
25 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/***************************************************************************
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* Copyright (C) 2019 by Andreas Bolsch <andreas.bolsch@mni.thm.de *
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***************************************************************************/
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#ifndef OPENOCD_FLASH_NOR_SFDP_H
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#define OPENOCD_FLASH_NOR_SFDP_H
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/* per JESD216D 'addr' is *byte* based but must be word aligned,
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* 'buffer' is word based, word aligned and always little-endian encoded,
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* in the flash, 'addr_len' is 3 or 4, 'dummy' ***usually*** 8
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*
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* the actual number of dummy clocks should be worked out by this function
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* dynamically, i.e. by scanning the first few bytes for the SFDP signature
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*
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* buffer contents is supposed to be returned in ***host*** endianness */
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typedef int (*read_sfdp_block_t)(struct flash_bank *bank, uint32_t addr,
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uint32_t words, uint32_t *buffer);
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extern int spi_sfdp(struct flash_bank *bank, struct flash_device *dev,
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read_sfdp_block_t read_sfdp_block);
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#endif /* OPENOCD_FLASH_NOR_SFDP_H */
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