35 lines
1.8 KiB
C
35 lines
1.8 KiB
C
/***************************************************************************
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* Copyright (C) 2019 by Andreas Bolsch <andreas.bolsch@mni.thm.de *
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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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* 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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* *
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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, see <http://www.gnu.org/licenses/>. *
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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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