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2306 commits

Author SHA1 Message Date
Frieder Schrempf
d4091971ab mtd: spi-nor-ids: Add support for ESMT/EON EN25Q80B
The datasheet can be found here:
https://www.esmt.com.tw/upload/pdf/ESMT/datasheets/EN25Q80B_Ver.E.pdf

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
2024-02-19 08:19:39 -03:00
Tom Rini
b6d8969bcb First set of u-boot-at91 features for the 2024.04 cycle
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Merge tag 'u-boot-at91-2024.04-a' of https://source.denx.de/u-boot/custodians/u-boot-at91

First set of u-boot-at91 features for the 2024.04 cycle:

This set includes some DT alignments and solves a compile issue for
custom nand defconfigs.
2024-01-31 10:44:33 -05:00
Sean Anderson
c9309f40a6 treewide: Remove clk_free
This function is a no-op. Remove it.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Link: https://lore.kernel.org/r/20231216193843.2463779-3-seanga2@gmail.com
2024-01-29 22:35:02 -05:00
Takahiro Kuwano
16dd109510 mtd: spi-nor-ids: Add Infineon(Cypress) s28hs02gt ID
Infineon(Cypress) S28HS02GT is 1.8V, 2Gb (256MB) NOR Flash memory with
Octal interface. It is a dual-die package parts and has same features
with existing S28 series.

Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2024-01-29 19:34:17 +05:30
Takahiro Kuwano
e70ac28870 mtd: spi-nor-core: Rework spi_nor_cypress_octal_dtr_enable()
Enabling Octal DTR mode in multi-die package parts requires reister setup
for each die. That can be done by simple for-loop. write_enable() takes
effect to all die at once so we can call it before the loop. Besides we
can replace spi_mem_exec_op() calls with spansion_read/write_any_reg().
And finally, we must mask CFR2V[7:4] when changing dummy cycles, as
CFR2V[7] indicates current addressing mode and that should be 1 (4-byte
address mode) for multi-die package parts.

Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2024-01-29 19:34:17 +05:30
Takahiro Kuwano
d386fa8b0d mtd: spi-nor-core: Consolidate post_bfpt_fixup() for Infineon(Cypress) S25 and S28
s28hx_t_post_bfpt_fixup() fixes erase opcode, erase size, and page size.
s25_post_bfpt_fixup() is doing same thing including multi-die support.
We can consolidate s28hx_t_post_bfpt_fixup() and s25_post_bfpt_fixup()
into one named s25_s28_post_bfpt_fixup().

In s25_s28_post_bfpt_fixup(), set_4byte() is called to force the device to
be 4-byte addressing mode. In S28HS02GT datasheet, the B7 opcode is missing
but it works actually (confirmed).

Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2024-01-29 19:34:17 +05:30
Takahiro Kuwano
33934e11d4 mtd: spi-nor-core: Consolidate setup() hook for Infineon(Cypress) S25 and S28
s28hx_t_setup() only checks sector layout setting. To support multi-die
package parts like S28HS02GT, it needs to check device size and assign
ready() hook for multi-die package parts. These are covered in s25_setup()
so we can consolidate s28hx_t_setup() and s25_setup() into one named
s25_s28_setup().

spi_nor_wait_till_ready() at the beginning of s28hx_t_setup() can be
removed since there is no op that makes device busy state before setup.

Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2024-01-29 19:34:17 +05:30
Takahiro Kuwano
c4de92d949 mtd: spi-nor-core: Rework s25_mdp_ready() to support Octal DTR mode
s25_mdp_ready() handles status polling for multi-die package parts that
requires to read and check status register for each die. To support
S28HS02GT(dual-die package with Octal DTR support), rename function and
use nor->rdsr_dummy in octal DTR mode.

Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2024-01-29 19:34:17 +05:30
Takahiro Kuwano
9901312e09 mtd: spi-nor-core: Use CLPEF(0x82) as alternative to CLSR(0x30) for S25 and S28
Infineon(Cypress) S28Hx-T family does not support legacy CLSR(0x30) opcode.
Instead, it supports CLPEF(0x82) which has the same functionality as CLSR.
spansion_sr_ready() is for multi-die package parts including S28HS02GT, so
we need to use CLPEF instead of CLSR.

This change does not affect to S25x02GT which uses spansion_sr_ready() as
S25Hx-T family also supports CLPEF(0x82) as well as CLSR(0x30).

Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2024-01-29 19:34:17 +05:30
Takahiro Kuwano
9768d7c7ec mtd: spi-nor-core: Rework spansion_read_any_reg() to support Octal DTR mode
In Infineon multi-die package parts, we need to use Read Any Register op
to read status register in 2nd or further die. Infineon S28HS02GT is
dual-die package and supports Octal DTR interface. To support this,
spansion_read_any_reg() needs to be reworked. Implementation is similar
to existing read_sr() that already supports Octal DTR mode.

Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2024-01-29 19:34:17 +05:30
Takahiro Kuwano
a3a5cc7613 mtd: spi-nor-core: Consolidate non-uniform erase helpers for S25 and S28
s25_erase_non_uniform() and s28hx_t_erase_uniform() support hybrid sector
layout (32 x 4KB sectors overlaid at bottom address) and doing same thing.
Consolidate them into single helper named s25_s28_erase_non_uniform().

Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2024-01-29 19:34:17 +05:30
Takahiro Kuwano
7a67bc55b9 mtd: spi-nor-core: Clean up macros for Infineon(Cypress) S25 and S28
Some macro definitions used in Infineon(Cypress) S25 and S28 series are
redundant and some have inconsistent prefix. This patch removes
redundant ones and renames some to have same prefix as others.

Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2024-01-29 19:34:17 +05:30
Ssunk
f07ca7907e mtd: spi: spi-nor-ids: Add more XM25Q series chips
- XM25QH128C
- XM25QH256C
- XM25QU256C
- XM25QH512C
- XM25QU512C

Signed-off-by: Kankan Sun <ssunkkan@gmail.com>
[jagan: update the commit message]
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2024-01-29 19:34:17 +05:30
Tejas Bhumkar
18e61f2378 mtd: spi-nor-ids: Add is25lx512 chip
Added support for the ISSI OSPI flash part IS25LX512M.
Initial testing was performed on the Tenzing-se1 board using
SDR mode, covering basic erase, write, and readback operations.

Signed-off-by: Tejas Bhumkar <tejas.arvind.bhumkar@amd.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2024-01-29 19:34:17 +05:30
Tom Rini
db04ff42c7 mtd: Make CONFIG_MTD be the gate symbol for the menu
The help for CONFIG_MTD explains that it needs to be enabled for various
things like NAND, etc to be available. It however then doesn't enforce
this dependency and so if you have none of these systems present you
still need to disable a number of options. Fix this by making places
that select/imply one type of flash, but did not do the same, also do
this for "MTD". Make boards which hadn't been enabling MTD already but
need it now, do so. In a few places, disable CONFIG_CMD_MTDPARTS as it
wasn't previously enabled but was now being implied.

Signed-off-by: Tom Rini <trini@konsulko.com>
2024-01-22 14:18:54 -05:00
Alexander Dahl
a1c6b08274 mtd: nand: raw: atmel: Remove duplicate definitions
These removed definitions were specific to some sam9 SoCs, but not
generic over all at91 SoCs.  The correct SoC specific definitions for
ATMEL_BASE_PMECC are spread over different header files in
arch/arm/mach-at91/include/mach directory.

Fixes a build error on a custon board based on SAMA5D2:

    Building current source for 73 boards (16 threads, 1 job per thread)
           arm:  +   vera2
    +drivers/mtd/nand/raw/atmel/pmecc.c:819: warning: "ATMEL_BASE_PMECC" redefined
    +  819 | #define ATMEL_BASE_PMECC        0xffffe000
    +      |
    +In file included from include/configs/vera2.h:11,
    +                 from include/config.h:3,
    +                 from include/linux/mtd/rawnand.h:16,
    +                 from drivers/mtd/nand/raw/atmel/pmecc.c:44:
    +include/asm/arch/sama5d2.h:171: note: this is the location of the previous definition
    +  171 | #define ATMEL_BASE_PMECC        (ATMEL_BASE_HSMC + 0x70)
    +drivers/mtd/nand/raw/atmel/pmecc.c:820: warning: "ATMEL_BASE_PMERRLOC" redefined
    +  820 | #define ATMEL_BASE_PMERRLOC     0xffffe600
    +include/asm/arch/sama5d2.h:172: note: this is the location of the previous definition
    +  172 | #define ATMEL_BASE_PMERRLOC     (ATMEL_BASE_HSMC + 0x500)

Fixes: a490e1b7c0 ("nand: atmel: Add pmecc driver")
Signed-off-by: Alexander Dahl <ada@thorsis.com>
2024-01-22 06:05:26 +02:00
Roger Quadros
e76959aba5 mtd: rawnand: omap_gpmc: fix OF based partition parsing for NAND
Set NAND chip ofnode and device so OF based partition parsing
can work.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
Link: https://www.mail-archive.com/u-boot@lists.denx.de/msg499178.html
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
2024-01-15 08:58:24 +01:00
Roger Quadros
dd01a229c8 mtd: rawnand: omap_gpmc: Use DT provided IO address
For DM case we can get the NAND chip's IO address from DT
so we don't need to rely on CFG_SYS_NAND_BASE.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Link: https://www.mail-archive.com/u-boot@lists.denx.de/msg499177.html
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
2024-01-15 08:58:24 +01:00
Roger Quadros
f6e7d8d2f3 mtd: rawnand: omap_elm: Fix elm_init definition
The macro ELM_BASE is defined in mach/hardware.h and is
not visible at the omap_elm.h header file. Avoid using it
in omap_elm.h.

Reported-by: Hong Guan <hguan@ti.com>
Fixes: 7363cf0581 ("mtd: rawnand: omap_elm: u-boot driver model support")
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/all/20231211114600.4414-3-rogerq@kernel.org
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
2024-01-15 08:58:24 +01:00
Roger Quadros
84e6fe3c04 mtd: nand: omap_gpmc: Fix NAND in SPL for AM335x
AM335x uses a special driver "am335x_spl_bch.c" as SPL
NAND loader. This driver expects 1 sector at a time ECC
and doesn't work well with multi-sector ECC that was implemented in
commit 04fcd25873 ("mtd: rawnand: omap_gpmc: Fix BCH6/16 HW based correction")

Additionally, the omap_elm driver does not support multi sector ECC and will
need more work and tests to get multi sector working correctly on all
platforms.

Switch back to 1 sector at a time read/ECC.

Fixes: 04fcd25873 ("mtd: rawnand: omap_gpmc: Fix BCH6/16 HW based correction")
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Tested-by: Enrico Leto <enrico.leto@siemens.com>
Tested-by: Heiko Schocher <hs@denx.de>
Link: https://lore.kernel.org/all/20231211114600.4414-2-rogerq@kernel.org/
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
2024-01-15 08:58:24 +01:00
Dario Binacchi
cbfff3b123 mtd: nand: check nand_mtd_to_devnum() argument
If the "mtd" parameter is NULL, the search will definitely yield a
negative result. In that case, it's better to exit immediately.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>
Link: https://lore.kernel.org/all/20231102113829.58852-1-dario.binacchi@amarulasolutions.com
2024-01-15 08:58:24 +01:00
Dario Binacchi
6b3d175928 mtd: nand: complete nand_register() arguments check
The patch checks that the "mtd" parameter is accessible before
proceeding.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>
Link: https://lore.kernel.org/all/20231102112743.57420-1-dario.binacchi@amarulasolutions.com
2024-01-15 08:58:24 +01:00
Tom Rini
cd908ba186 Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-spi into next
- spi_nor_read_sfdp_dma_unsafe (Vaishnav)
- w25q01/02 (Jim)
2023-12-18 09:56:42 -05:00
Tom Rini
1373ffde52 Prepare v2024.01-rc5
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Merge tag 'v2024.01-rc5' into next

Prepare v2024.01-rc5
2023-12-18 09:55:32 -05:00
Bruce Suen
fd9851e0f4 mtd: spi-nor-ids: add support for xtx XT55Q02G
Add support for XTX XT55Q02G(1.8V,2Gbit).

Signed-off-by: Bruce Suen <bruce_suen@163.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2023-12-14 23:53:16 +05:30
Igor Prusov
0f2c632b8c mtd: spinand: add support for ESMT F50x1G41LB
Adaptation of Linux commit d74c36480a67

This patch adds support for ESMT F50L1G41LB and F50D1G41LB.
It seems that ESMT likes to use random JEDEC ID from other vendors.
Their 1G chips uses 0xc8 from GigaDevice and 2G/4G chips uses 0x2c from
Micron. For this reason, the ESMT entry is named esmt_c8 with explicit
JEDEC ID in variable name.

Datasheets:
https://www.esmt.com.tw/upload/pdf/ESMT/datasheets/F50L1G41LB(2M).pdf
https://www.esmt.com.tw/upload/pdf/ESMT/datasheets/F50D1G41LB(2M).pdf

Signed-off-by: Igor Prusov <ivprusov@salutedevices.com>
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Signed-off-by: Martin Kurbanov <mmkurbanov@sberdevices.ru>
Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Tested-by: Martin Kurbanov <mmkurbanov@sberdevices.ru>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2023-12-14 23:50:00 +05:30
Vaishnav Achath
961c3e9f12 mtd: spi-nor-core: Implement spi_nor_read_sfdp_dma_unsafe() for sfdp parse
During SFDP header parse and BFPT parse, structures in stack are used
to perform spi_nor_read_sfdp() which expects a dma-safe buffer.

This commit introduces spi_nor_read_sfdp_dma_unsafe() to wrap
spi_nor_read_sfdp() using a kmalloc'ed bounce buffer which is
the same implementation in Linux (drivers/mtd/spi-nor/sfdp.c).

Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2023-12-14 23:47:13 +05:30
Jim Liu
b2906f5b61 mtd: spi-nor: add flash model w25q01/02 support
add flash w25q01jv, w25q01jvfim and w25q02jv support

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2023-12-09 16:44:24 +05:30
Godfrey Mwangi
a08f7de39d mtd: spi-nor: Add MT25QU128AB params
Add Micron MT25QU128AB flash.

Signed-off-by: Godfrey Mwangi <godmwan@microsoft.com>
[jagan: fix the commit head]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2023-12-09 16:40:48 +05:30
Jit Loon Lim
bf41cb3d30 mtd: spi-nor: Add MT25U01G part number for SPI NOR Flash
MT25QU01 OPN with 4B OPCODE support is currently not supported in
source code and the driver reuses the definition for "n25q00a"
which has the same silicon ID but is a slower part.

Adding mt25u01g definition to the source code to support a faster
read response for MT25QU01 QSPI NOR Flash device.

Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
[jagan: fix the id position and commit head]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
2023-12-09 16:39:03 +05:30
Teik Heng Chong
77f3b5e4ad drivers: mtd: spi: Add support for GD55LB02GEBIR SPI NOR flash
Add Support for GigaDevice GD55LB02GEBIR SPI NOR flash as QSPI
configuration flash

Signed-off-by: Teik Heng Chong <teik.heng.chong@intel.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2023-12-09 16:36:16 +05:30
Andre Przywara
9ac57fb3a2 mtd: spi-nor: Add support for zBIT ZB25VQ128
Add support for the zBIT ZB25VQ128 (128M-bit) SPI NOR flash memory chip,
as used on the Xunlong Orange Pi Zero 3 board.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
2023-12-06 23:09:01 +00:00
Jonas Karlman
791e2bf9a8 mtd: spi-nor: Add support for Silicon Kaiser sk25lp128
Add support for Silicon Kaiser sk25lp128 SPI NOR flash found in Pine64
PinePhone Pro and PineTab2.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
2023-12-06 18:04:46 +05:30
Tom Rini
38cc6cdeb1 Merge patch series "Import "string" I/O functions from Linux"
To quote the author:

This series imports generic versions of ioread_rep/iowrite_rep and
reads/writes from Linux. Some cleanup is done to make sure that all
platforms have proper defines for implemented functions and there are no
redefinitions.
2023-11-28 16:19:19 -05:00
Igor Prusov
fa34fbf9a1 asm-generic: Import functions from Linux
Currently {read,write}s{b,w,lq}() functions are available only on some
architectures, and there are no io{read,write}{8,16,32,64}_rep()
functions in u-boot. This patch adds generic versions that may be used
without arch-specific implementation.

Since some of added functions were already added locally in some files,
remove them to avoid redeclaration errors.

Signed-off-by: Igor Prusov <ivprusov@salutedevices.com>
2023-11-28 16:19:06 -05:00
Tom Rini
dca7a8958f Prepare v2024.01-rc3
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Merge tag 'v2024.01-rc3' into next

Prepare v2024.01-rc3
2023-11-20 09:19:50 -05:00
Tom Rini
ae7ec8b0be Merge branch '2023-11-16-assorted-updates' into next
- squashfs improvements, remove common.h in some places, assorted code
  fixes, fix a few CONFIG symbol names in Kconfig files, bring in
  linux's <linux/time.h> conversion functions, poplar updates, bcb
  improvements.
2023-11-17 08:38:05 -05:00
Igor Prusov
13248d66ae treewide: use linux/time.h for time conversion defines
Now that we have time conversion defines from in time.h there is no need
for each driver to define their own version.

Signed-off-by: Igor Prusov <ivprusov@salutedevices.com>
Reviewed-by: Svyatoslav Ryhel <clamor95@gmail.com> # tegra
Reviewed-by: Eugen Hristev <eugen.hristev@collabora.com> #at91
Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org> #qcom geni
Reviewed-by: Stefan Bosch <stefan_b@posteo.net> #nanopi2
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
2023-11-16 18:59:58 -05:00
Sean Anderson
8502b5bf20 test: spl: Add a test for NAND
Add a SPL test for the NAND load method. We use some different functions to
do the writing from the main test since things like nand_write_skip_bad
aren't available in SPL.

We disable BBT scanning, since scan_bbt is only populated when not in SPL.
We use nand_spl_loaders.c as it seems to be common to at least a few boards
already. However, we do not use nand_spl_simple.c because it would require
us to implement cmd_ctrl.  The various nand load functions are adapted from
omap_gpmc. However, they have been modified for simplicity/correctness.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
2023-11-16 12:43:49 -05:00
Sean Anderson
bc8e8a4bfa nand: Add sandbox driver
Add a sandbox NAND flash driver to facilitate testing. This driver supports
any number of devices, each using a single chip-select. The OOB data is
stored in-band, with the separation enforced through the API.

For now, create two devices to test with. The first is a very small device
with basic ECC. The second is an 8G device (chosen to be larger than 32
bits). It uses ONFI, with the values copied from the datasheet. It also
doesn't need too strong ECC, which speeds things up.

Although the nand subsystem determines the parameters of a chip based on
the ID, the driver itself requires devicetree properties for each
parameter. We do not derive parameters from the ID because parsing the ID
is non-trivial. We do not just use the parameters that the nand subsystem
has calculated since that is something we should be testing. An exception
is made for the ECC layout, since that is difficult to encode in the device
tree and is not a property of the device itself.

Despite using file I/O to access the backing data, we do not support using
external files. In my experience, these are unnecessary for testing since
tests can generally be written to write their expected data beforehand.
Additionally, we would need to store the "programmed" information somewhere
(complicating the format and the programming process) or try to detect
whether block are erased at runtime (degrading probe speeds).

Information about whether each page has been programmed is stored in an
in-memory buffer. To simplify the implementation, we only support a single
program per erase. While this is accurate for many larger flashes, some
smaller flashes (512 byte) support multiple programs and/or subpage
programs. Support for this could be added later as I believe some
filesystems expect this.

To test ECC, we support error-injection. Surprisingly, only ECC bytes in
the OOB area are protected, even though all bytes are equally susceptible
to error. Because of this, we take care to only corrupt ECC bytes.
Similarly, because ECC covers "steps" and not the whole page, we must take
care to corrupt data in the same way.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
2023-11-16 12:43:49 -05:00
Sean Anderson
333d43f6a3 nand: Allow reinitialization
NAND devices are destroyed in between unit tests. Provide a function to
reinitialize the subsystem at the beginning of each test.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
2023-11-16 12:43:49 -05:00
Sean Anderson
c203482177 nand: Add function to unregister NAND devices
This performs the opposite of nand_register, allowing drivers to unregister
nand devices. This is probably unnecessary for most regular drivers, but we
expect sandbox drivers to get repeatedly bound/unbound, so this will help
avoid dangling pointers.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
2023-11-16 12:43:49 -05:00
Sean Anderson
b37a9208a2 mtd: Add some fallbacks for add/del_mtd_device
This allows using these functions without ifdefs. OneNAND depends on MTD,
so this ifdef was redundant in the first place.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
2023-11-16 12:43:49 -05:00
Sean Anderson
b35df87ae5 mtd: Rename SPL_MTD_SUPPORT to SPL_MTD
Rename SPL_MTD_SUPPORT to SPL_MTD in order to match MTD. This allows using
CONFIG_IS_ENABLED to test for MTD support.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
2023-11-16 12:43:48 -05:00
Sean Anderson
38ef64e6ce spl: nand: Set bl_len to page size
Since commit 34793598c8 ("mtd: nand: mxs_nand_spl: Remove the page aligned
access") there are no longer any users of nand_get_mtd. However, it is
still important to know what the page size is so we can allocate a
large-enough buffer. If the image size is not page-aligned, we will go off
the end of the buffer and clobber some memory.

Introduce a new function nand_page_size which returns the page size. For
most drivers it is easy to determine the page size. However, a few need to
be modified since they only keep the page size around temporarily.

It's possible that this patch could cause a regression on some platforms if
the offset is non-aligned and there is invalid address space immediately
before the load address. spl_load_legacy_img does not (except when
compressing) respect bl_len, so only boards with SPL_LOAD_FIT (8 boards) or
SPL_LOAD_IMX_CONTAINER (none in tree) would be affected.

defconfig               CONFIG_TEXT_BASE
======================= ================
am335x_evm              0x80800000
am43xx_evm              0x80800000
am43xx_evm_rtconly      0x80800000
am43xx_evm_usbhost_boot 0x80800000
am43xx_hs_evm           0x80800000
dra7xx_evm              0x80800000
gwventana_nand          0x17800000
imx8mn_bsh_smm_s2       0x40200000

All the sitara boards have DDR mapped at 0x80000000. gwventana is an i.MX6Q
which has DDR at 0x10000000. I don't have the IMX8MNRM handy, but on the
i.MX8M DDR starts at 0x40000000. Therefore all of these boards can handle a
little underflow.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
2023-11-16 12:43:48 -05:00
Sean Anderson
cdc0434ac0 nand: spl_loaders: Only read enough pages to load the image
All other implementations of nand_spl_load_image only read as many pages as
are necessary to load the image. However, nand_spl_loaders.c loads the full
block. Align it with other load functions so that it is easier to
determine how large of a load buffer we need.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>
2023-11-16 12:43:48 -05:00
Sean Anderson
601b8901e0 nand: Calculate SYS_NAND_BLOCK_PAGES (neé SYS_NAND_PAGE_COUNT) automatically
Contrary to what the help message says, this is the number of pages per
block. Calculate it automatically based on SYS_NAND_BLOCK_SIZE and
SYS_NAND_PAGE_SIZE. To better reflect its semantics, rename it to
SYS_NAND_BLOCK_PAGES.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
2023-11-16 12:43:48 -05:00
Sean Anderson
23c2ebe4d4 nand: Don't dereference NULL manufacturer_desc
When no manufacturer is matched, manufacturer_desc is NULL. Avoid
dereferencing it in that case.

Fixes: 4e67c57125 ("mtd,ubi,ubifs: sync with linux v3.15")
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>
2023-11-16 12:43:48 -05:00
Nishanth Menon
a94a4071d4 tree-wide: Replace http:// link with https:// link for ti.com
Replace instances of http://www.ti.com with https://www.ti.com

Signed-off-by: Nishanth Menon <nm@ti.com>
2023-11-10 11:01:50 -05:00
Venkatesh Yadav Abbarapu
188c803d08 mtd: spi-nor: Add spi flash lock config option
Provide an explicit configuration option to disable default "lock"
of any flash chip which supports locking. By disabling the lock
config will save some amount of memory and also don't expose the
lock functionality to the users i.e., via sf protect command.

Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com>
Link: https://lore.kernel.org/r/20231003031715.5343-2-venkatesh.abbarapu@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
2023-11-07 13:47:08 +01:00