benpicco
d13e6c4e83
Merge pull request #20180 from benpicco/mtd_sdmmc-erase
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drivers/mtd_sdmmc: always enable the erase function
2023-12-14 13:42:33 +00:00
Benjamin Valentin
bfe26c68d3
drivers/mtd: introduce mtd_write_sector()
2023-12-14 14:27:19 +01:00
Benjamin Valentin
9855b02b07
mtd: drop .write() function
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All MTD drivers should now implement the .write_page() function instead.
2023-12-13 17:46:43 +01:00
Gunar Schorcht
bd67236788
drivers/mtd: store MTD pointers as XFA
2023-10-02 12:27:35 +02:00
Gunar Schorcht
ca44651d78
drivers/mtd: fix missing dependency in Kconfig for periph_sdmmc
2023-09-29 07:49:41 +02:00
Gunar Schorcht
00275326a8
drivers/mtd: add SDMMC support
2023-08-08 09:09:12 +02:00
Gunar Schorcht
556ef5235c
drivers: add periph_sdmmc support
2023-08-08 09:09:12 +02:00
Gunar Schorcht
609c090ceb
drivers/mtd_emulatd: MTD emulated in RAM for testing
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This driver provides support for MTDs emulated in RAM to test MTD-based applications on boards that do not provide MTDs in hardware.
2023-04-11 17:42:10 +02:00
bors[bot]
2221cbfa9b
Merge #19258
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19258: drivers/mtd_flashpage: implement pagewise API, don't use raw addresses r=benpicco a=benpicco
Co-authored-by: Benjamin Valentin <benjamin.valentin@ml-pa.com>
Co-authored-by: Benjamin Valentin <benjamin.valentin@bht-berlin.de>
Co-authored-by: Benjamin Valentin <benpicco@beuth-hochschule.de>
2023-02-16 15:02:19 +00:00
Benjamin Valentin
43fffcd74f
drivers/mtd: add bounds checking
2023-02-16 15:50:52 +01:00
Benjamin Valentin
44476137e3
mtd: add fast path to mtd_write_page()
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If we overwrite a whole sector, don't perform a read-modify-write cycle.
2023-02-06 15:46:34 +01:00
Benjamin Valentin
6f9dd8cf86
drivers/mtd_sdcard: add mtd_sdcard_default module
2023-02-05 19:03:09 +01:00
MrKevinWeiss
40f4950f85
drivers/at24cxxx: Fix kconfig model
2022-08-17 14:37:21 +02:00
Gunar Schorcht
a0d8882a55
drivers/mtd: fix module name for mtd_sdcard in Kconfig
2022-08-03 08:26:59 +02:00
Benjamin Valentin
bede0615ad
drivers/mtd: fix doc of mtd_read_page(), mtd_write_page_raw()
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The function allows for offsets greater than the page size.
2022-06-20 14:59:41 +02:00
Benjamin Valentin
f7ab95ad97
dirvers/mtd: return early if init fails
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If init fails (e.g. because an SD card was not inserted) don't
fail the `mtd->write_size != 0` assertion but instead return early.
2022-06-07 00:59:37 +02:00
benpicco
4b6da5c8e4
Merge pull request #17863 from benpicco/sam0_sdhc
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cpu/samd5x: add SD Host Controller implementation
2022-05-31 15:33:24 +02:00
Benjamin Valentin
babee877ce
cpu/sam0_common: add SD Host Controller implementation
2022-05-31 11:07:20 +02:00
Fabian Hüßler
477a86022f
drivers/mtd: move write_size assertion after init call
2022-05-23 19:46:46 +02:00
chrysn
dc7bc9f854
Merge pull request #17683 from chrysn-pull-requests/mtd-granularity
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mtd: Introduce write granularity
2022-05-20 11:52:03 +02:00
Benjamin Valentin
e3c8187736
dirvers/mtd: don't use work_buf as proxy for !direct write flag
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Currently work_buf is only NULL when MTD_DRIVER_FLAG_DIRECT_WRITE is
set, so it served as a proxy for that flag.
However, we might want to have a work buffer even when writes without
erase are possible.
2022-04-11 14:29:52 +02:00
chrysn
9ec42492da
mtd: Introduce write_size, setting no-rewrite policy
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... with flags defining more clearly which kinds of overwrites are OK
Co-authored-by: benpicco <benpicco@googlemail.com>
2022-03-31 10:50:30 +02:00
Francisco Molina
36d1911e65
dirvers/mtd: use imply instead of select
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Using imply allow for user to deselect the default MTD backends
2021-09-29 10:13:51 +02:00
Francisco
0b7eb2bbc9
Merge pull request #16836 from fjmolinas/pr_kconfig_mtd
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drivers/mtd: fix Kconfig dependencies
2021-09-22 10:08:14 +02:00
Francisco Molina
14ef09b8b4
drivers/mtd: fix Kconfig dependencies
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Currently implementations of the MTD api are selecting the module,
this makes it easy for default backends to be selected. But the
correct modeling is simply selecting the MTD api and then selecting
a backend. BOARDs providing one of the backends can expose this and
then that backend can be selected by default.
There is also currently nothing preventing from using the MTD api
with no backend since a mock backend can easily be provided as is
done in all mtd tests.
2021-09-22 09:22:51 +02:00
Benjamin Valentin
6f9b05cad8
mtd: fix mtd_write_page() across sector boundaries
2021-09-21 15:20:02 +02:00
Benjamin Valentin
e8bbe1d1c7
mtd: re-add mtd_write_page()
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Add a write_page() command that performs a read-modify-write cycle
if necessary.
2021-01-28 11:51:28 +01:00
Benjamin Valentin
60eb75da3c
mtd: rename mtd_write_page() -> mtd_write_page_raw()
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The function will not abstract away the behavior of the underlying media
(e.g. whether only 1 -> 0 writes are possible without erase), thus rename it.
2021-01-26 11:48:26 +01:00
Leandro Lanzieri
8abd8bc3d4
drivers/mtd: add module to Kconfig
2020-11-18 18:38:49 +01:00
Benjamin Valentin
90751bcec1
mtd: fix return in mtd_erase()
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If `.erase` is implemented we must return, not execute the
fallback code path
fixes #14988
2020-09-09 19:38:40 +02:00
Benjamin Valentin
9a4141880c
mtd: allow to use non-pagewise functions
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If the underlying driver implements 'plain' read/write/erase
fucntions, don't convert them to pagewise functions and back.
Just use the old direct functions.
2020-09-02 22:50:24 +02:00
Benjamin Valentin
4034f96169
mtd: add page addressed operations
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Currently read(), write() and erase() all use 32 bit addressing.
This is a problem when writing to media > 4 GiB, e.g. SD cards.
The current implementation would wrap around after 4 GiB and corrupt data.
To avoid this, add functions to the MTD subsystem that allow for page-wise
addressing. This is how most of the underling storage drivers and the
file-systems above work anyway.
In the future we should then deprecate the 32-bit functions if all drivers
are converted.
2020-08-18 17:25:39 +02:00
304bce3724
drivers: configure per driver dependency resolution
2020-07-20 14:32:16 +02:00
fabian18
a3a1c160ee
mtd: Change API to return 0 on success
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Returning the number of bytes written/read could return a negative integer
because a uint32_t is expected for the length in read()/write() operations.
2020-05-06 20:24:27 +02:00
94c753c07a
drivers: doxygen cleanup
2017-09-01 15:12:20 +02:00
8d74212afa
drivers/mtd: constify where possible
2017-06-29 22:46:16 +02:00
Joakim Nohlgård
6d3304f52c
mtd: Add MTD VFS wrapper for use with DevFS
2017-03-16 16:45:49 +01:00
Aurelien Gonce
49ebf55b0d
mtd: add a low level generic driver for flash file system
2017-03-16 11:23:53 +01:00
