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The SAM0 has a 64 byte page (the programing unit) with 4 pages to a row (the erase unit). This driver implements a read/modify/write to emulate the byte level writes used by NFFS. Signed-off-by: Michael Hope <mlhx@google.com>
33 lines
704 B
Plaintext
33 lines
704 B
Plaintext
# Kconfig - Atmel SAM0 flash driver config
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#
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# Copyright (c) 2018 Google LLC.
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# SPDX-License-Identifier: Apache-2.0
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if FLASH && SOC_FAMILY_SAM0
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menuconfig SOC_FLASH_SAM0
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bool
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prompt "Atmel SAM0 flash driver"
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default n
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select FLASH_HAS_PAGE_LAYOUT
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help
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Enable the Atmel SAM0 series internal flash driver.
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config SOC_FLASH_SAM0_DEV_NAME
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string "Flash device name"
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depends on SOC_FLASH_SAM0
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default "FLASH_0"
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help
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Specify the device name for the flash driver.
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config SOC_FLASH_SAM0_EMULATE_BYTE_PAGES
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bool
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prompt "Emulate byte-sized pages"
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depends on SOC_FLASH_SAM0
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default n
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help
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Emulate a device with byte-sized pages by doing a
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read/modify/erase/write. Needed for NFFS.
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endif
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