Commit Graph

169 Commits

Author SHA1 Message Date
YuheiOKAWA 771ff17e82 mtd: spi-nor: Add support for EN25QH32
Add support for Eon en25qh32 spi nor flash.

Signed-off-by: YuheiOKAWA <tochiro.srchack@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-05-18 13:38:53 +02:00
Kimmo Rautkoski d616f81cdd mtd: spi-nor: Add support for is25wp series chips
Added support for is25wp032, is25wp064 and is25wp128.

Signed-off-by: Kimmo Rautkoski <ext-kimmo.rautkoski@vaisala.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-05-18 13:33:22 +02:00
Stephen Douthit 7fccf56ea4 mtd: spi-nor: Add Winbond w25q32jv support
Datasheet:
https://www.winbond.com/resource-files/w25q32jv%20dtr%20revf%2002242017.pdf

Minimal testing done with fw_printenv/fw_setenv, test board did not
support dual or quad access.

Signed-off-by: Stephen Douthit <stephend@silicom-usa.com>
Tested-by: Stephen Douthit <stephend@silicom-usa.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-05-18 13:25:50 +02:00
NeilBrown f134fbbb4f mtd: spi-nor: clear Winbond Extended Address Reg on switch to 3-byte addressing.
Winbond spi-nor flash 32MB and larger have an 'Extended Address
Register' as one option for addressing beyond 16MB (Macronix
has the same concept, Spansion has EXTADD bits in the Bank Address
Register).

According to section
   8.2.7 Write Extended Address Register (C5h)

of the Winbond W25Q256FV data sheet (256M-BIT SPI flash)

   The Extended Address Register is only effective when the device is
   in the 3-Byte Address Mode.  When the device operates in the 4-Byte
   Address Mode (ADS=1), any command with address input of A31-A24
   will replace the Extended Address Register values. It is
   recommended to check and update the Extended Address Register if
   necessary when the device is switched from 4-Byte to 3-Byte Address
   Mode.

So the documentation suggests clearing the EAR after switching to
3-byte mode.  Experimentation shows that the EAR is *always* one after
the switch to 3-byte mode, so clearing the EAR is mandatory at
shutdown for a subsequent 3-byte-addressed reboot to work.

Note that some SOCs (e.g. MT7621) do not assert a reset line at normal
reboot, so we cannot rely on hardware reset.  The MT7621 does assert a
reset line at watchdog-reset.

Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-04-21 10:05:23 +02:00
Hauke Mehrtens ce5013ff3b mtd: spi-nor: Add support for XM25QH64A and XM25QH128A
These devices are produced by Wuhan Xinxin Semiconductor Manufacturing
Corp. (XMC) and found on some routers from Chinese manufactures.

The data sheets can be found here:
http://www.xmcwh.com/Uploads/2018-03-01/5a9799e4cb355.pdf
http://www.xmcwh.com/Uploads/2018-02-05/5a77e6dbe968b.pdf

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-04-20 22:55:43 +02:00
Marek Vasut c7aa1b77f9 mtd: spi-nor: add support for ISSI is25lp256
Add support for ISSI is25lp256 spi nor flash.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Angelo Dureghello <angelo@sysam.it>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-04-20 22:52:19 +02:00
Thor Thayer 56c6855c81 mtd: spi-nor: Add Micron MT25QU02 support
Add support for a new Micron 2Gb Flash memory part.
Datasheet is available: mt25q_qlkt_l_02g_cbb_0.pdf

Testing was done on a Stratix10 SoCFPGA Development Kit.

Reported-by: Sujith Chidurala <sujith.chakra.chidurala@intel.com>
Tested-by: Paul Kim <paul.kim@intel.com>
Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-04-20 22:51:19 +02:00
Boris Brezillon e7bfb3fdbd mtd: Stop updating erase_info->state and calling mtd_erase_callback()
MTD users are no longer checking erase_info->state to determine if the
erase operation failed or succeeded. Moreover, mtd_erase_callback() is
now a NOP.

We can safely get rid of all mtd_erase_callback() calls and all
erase_info->state assignments. While at it, get rid of the
erase_info->state field, all MTD_ERASE_XXX definitions and the
mtd_erase_callback() function.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Bert Kenward <bkenward@solarflare.com>
---
Changes in v2:
- Address a few coding style issues (reported by Miquel)
- Remove comments that are no longer valid (reported by Miquel)
2018-03-21 09:50:56 +01:00
Romain Porte 17407ec335 mtd: spi-nor: Add ISSI is25lp080d support
Add support for a new ISSI 1MB SPI NOR chip that was tested in our lab.
Datasheet is available at: http://www.issi.com/WW/pdf/25LP-WP080D.pdf

Testing was done only without the SPI_NOR_{DUAL,QUAD}_READ flags that
were added later, according to the datasheet.

Tested-by: Pascal Fabreges <pascal.fabreges@nokia.com>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Romain Porte <romain.porte@nokia.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-12-28 12:26:05 +01:00
Rafael Gago 0074a8f3b3 mtd: spi-nor: Add support for s25fl128l and s25fl256l
They are exactly the same as the s25fl064l but bigger.

Signed-off-by: Rafael Gago Castano <rgc@hms.se>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-12-27 21:31:26 +01:00
Sean Nyekjaer 29d6b29f50 mtd: spi-nor: indent issi section
Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-12-20 16:20:05 +01:00
Sean Nyekjaer ded8a0447f mtd: spi-nor: add support for is25lq040b
Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-12-20 16:16:35 +01:00
Hou Zhiqiang 8dee1d971a mtd: spi-nor: add an API to restore the status of SPI flash chip
Add this API to restore the status of SPI flash chip to the default
such as addressing mode, whenever detach the driver from device or
reboot the system.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-12-13 00:36:00 +01:00
Aaron Sierra 2666067fdb mtd: spi-nor: Check that BP bits are set properly
Previously, the lock and unlock functions returned success even if the
BP bits were not actually updated in the status register due to
hardware write protection. Introduce write_sr_and_check() to write and
read back the status register to ensure the desired BP bits are
actually set as requested.

Signed-off-by: Joe Schultz <jschultz@xes-inc.com>
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-12-13 00:36:00 +01:00
Bean Huo (beanhuo) 20ccb993f2 mtd: spi-nor: check FSR error bits for Micron memories
For Micron spi nor device, when erase/program operation
fails, especially the failure results from intending to
modify protected space, spi-nor upper layers still get
the return which shows the operation succeeds. This is
because current spi_nor_fsr_ready() only uses FSR bit.7
(flag status register) to check device whether ready.
This patch fixes this issue by checking relevant error
bits in FSR.
The FSR is a powerful tool to investigate the status of
device, checking information regarding what the memory is
actually doing and detecting possible error conditions.

Signed-off-by: beanhuo <beanhuo@micron.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-12-13 00:36:00 +01:00
Angelo Dureghello 34354d4bf8 mtd: spi-nor: add support for ISSI is25lp128
Add support for ISSI is25lp128 spi nor flash.

Signed-off-by: Angelo Dureghello <angelo@sysam.it>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-12-13 00:35:59 +01:00
Philipp Puschmann 282e45dc64 mtd: spi-nor: Add support for mr25h128
Add Everspin mr25h128 16KB MRAM to the list of supported chips.

Signed-off-by: Philipp Puschmann <pp@emlix.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-10-29 20:57:19 +01:00
Roman Yeryomin d342b6a973 mtd: spi-nor: enable 4B opcodes for mx66l51235l
Signed-off-by: Roman Yeryomin <roman@advem.lv>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-10-29 19:02:20 +01:00
Neil Armstrong ace3cbdd23 mtd: spi-nor: Add support for Winbond w25q16dw
Add JEDEC entry for the Winbond w25q16fw/w25q16dw with similar
flags and format than the Winbond w25q32dw entry.

Tested on a Khadas VIM2 SBC board with an Amlogic S912 SoC.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-10-23 09:49:51 +02:00
Klaus Goger 5a0682835c mtd: spi-nor: add support for Gigadevice GD25LQ32
Tested against GD25LQ32D but the GD25LQ32C datasheet seems to be
identically feature-wise. Therefore dropping the suffix as it's
probably only indicating the die revision.

Signed-off-by: Klaus Goger <klaus.goger@theobroma-systems.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-10-10 18:49:03 +02:00
Andy Yan 65153846b1 mtd: spi-nor: add support for GD25Q256
Add support for GD25Q256, a 32MiB SPI Nor flash
from GigaDevice.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-10-10 18:38:03 +02:00
Andy Yan e27072851b mtd: spi-nor: add a quad_enable callback in struct flash_info
Some manufacturers may use different bit to set QE on different
memories.

The GD25Q256 from GigaDevice is an example, which uses S6(bit 6
of the Status Register-1) to set QE, which is different with
other supported memories from GigaDevice that use S9(bit 1 of
the Status Register-2). This makes it is impossible to select
the quad enable method by distinguishing the MFR. This patch
introduce a quad_enable function which can be set per memory
in the flash_info list table.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-10-10 18:34:29 +02:00
Kamal Dasu d6084fc83c mtd: spi-nor: Add spi-nor mtd resume handler
Implemented and populated spi-nor mtd PM handlers for resume ops.
spi-nor resume op re-initializes spi-nor flash to its probed
state by calling the newly implemented spi_nor_init() function.

Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-10-10 18:20:22 +02:00
Kamal Dasu 46dde01f6b mtd: spi-nor: add spi_nor_init() function
This patch extracts some chunks from spi_nor_init_params and spi_nor_scan()
 and moves them into a new spi_nor_init() function.

Indeed, spi_nor_init() regroups all the required SPI flash commands to be
sent to the SPI flash memory before performing any runtime operations
(Fast Read, Page Program, Sector Erase, ...). Hence spi_nor_init():
1) removes the flash protection if applicable for certain vendors.
2) sets the Quad Enable bit, if needed, before using Quad SPI protocols.
3) makes the memory enter its (stateful) 4-byte address mode, if needed,
   for SPI flash memory > 128Mbits not supporting the 4-byte address
   instruction set.

spi_nor_scan() now ends by calling spi_nor_init() once the probe phase has
completed. Further patches could also use spi_nor_init() to implement the
mtd->_resume() handler for the spi-nor framework.

Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-10-10 18:19:42 +02:00
Richard Weinberger 90d4fa4540 mtd: spi-nor: Kill check with no effect
header.minor is of type u8 and cannot be negative.

Detected by CoverityScan CID#1417858 ("Integer handling issues")

Fixes: f384b352cb ("mtd: spi-nor: parse Serial Flash Discoverable
Parameters (SFDP) tables")
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-10-10 17:00:25 +02:00
Cyrille Pitchen bfa4133795 mtd: spi-nor: fix DMA unsafe buffer issue in spi_nor_read_sfdp()
spi_nor_read_sfdp() calls nor->read() to read the SFDP data.
When the m25p80 driver is used (pretty common case), nor->read() is then
implemented by the m25p80_read() function, which is likely to initialize a
'struct spi_transfer' from its buf argument before appending this
structure inside the 'struct spi_message' argument of spi_sync().

Besides the SPI sub-system states that both .tx_buf and .rx_buf members of
'struct spi_transfer' must point into dma-safe memory. However, two of the
three calls of spi_nor_read_sfdp() were given pointers to stack allocated
memory as buf argument, hence not in a dma-safe area.
Hopefully, the third and last call of spi_nor_read_sfdp() was already
given a kmalloc'ed buffer argument, hence dma-safe.

So this patch fixes this issue by introducing a
spi_nor_read_sfdp_dma_unsafe() function which simply wraps the existing
spi_nor_read_sfdp() function and uses some kmalloc'ed memory as a bounce
buffer.

Fixes: f384b352cb ("mtd: spi-nor: parse Serial Flash Discoverable Parameters (SFDP) tables")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2017-09-18 09:53:27 +02:00
Boris Brezillon b8f3911610 mtd: spi-nor: Check consistency of the memory size extracted from the SFDP
One field of the flash parameter table contains information about the
flash device size.
Most of the time the data extracted from this field is valid, but
sometimes the BFPT section of the SFDP table is corrupted or invalid and
this field is set to 0xffffffff, thus resulting in an integer overflow
when setting params->size.

Since NOR devices are anayway always smaller than 2^64 bytes, we can
easily stop the BFPT parsing if the size reported in this table is
invalid.

Fixes: f384b352cb ("mtd: spi-nor: parse Serial Flash Discoverable Parameters (SFDP) tables")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.com>
2017-09-18 09:53:27 +02:00
Claudiu Beznea 18f7ce2f44 mtd: spi-nor: add support for Microchip sst26vf064b QSPI memory
Add support for Microchip sst26vf064b QSPI memory.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-08-22 18:10:26 +02:00
Alexander Sverdlin c4b3eacc1d mtd: spi-nor: Recover from Spansion/Cypress errors
S25FL{128|256|512}S datasheets say:
"When P_ERR or E_ERR bits are set to one, the WIP bit will remain set to
one indicating the device remains busy and unable to receive new operation
commands. A Clear Status Register (CLSR) command must be received to return
the device to standby mode."

Current spi-nor code works until first error occurs, but write/erase errors
are not just rare hardware failures, they also occur if user tries to flash
write-protected areas. After such attempt no SPI command can be executed
any more and even read fails. This patch adds support for P_ERR and E_ERR
bits in Status Register 1 (so that operation fails immediately and not
after a long timeout) and proper recovery from the error condition.

Tested on Spansion S25FS128S, which is supported by S25FL129P entry.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-08-01 21:15:33 +02:00
Cyrille Pitchen f384b352cb mtd: spi-nor: parse Serial Flash Discoverable Parameters (SFDP) tables
This patch adds support to the JESD216 rev B standard and parses the SFDP
tables to dynamically initialize the 'struct spi_nor_flash_parameter'.

Signed-off-by: Cyrille Pitchen <cyrille.pitchen@microchip.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
2017-07-18 14:37:18 +02:00
Harry Chou d8b494a328 mtd: spi-nor: Add support for Spansion S25FL064L
It's an 8 MiB flash with 4 KiB erase sectors.

Signed-off-by: Harry Chou <HarryYC.Chou@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-06-26 23:06:57 +02:00
Alexander Sverdlin af18ba4842 mtd: spi-nor: Add support for mx66u51235f
This chip supports stateless 4-byte opcodes, dual and quad read and
uniform 4K-byte erase.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-06-26 22:58:26 +02:00
Cédric Le Goater d7c9ade2e3 mtd: spi-nor: add Dual and Quad read mode support to some flash devices
These devices are used on OpenPOWER systems. The SPI_NOR_DUAL_READ
flags is added for the Aspeed SoCs which do not support QUAD reads.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-06-21 00:16:47 +02:00
Cédric Le Goater ce398a8141 mtd: spi-nor: Add support for Macronix mx66l1g45g spi flash
These modules are used on the OpenPOWER Witherspoon systems to hold
the POWER9 host firmware image. The SPI_NOR_DUAL_READ flags is added
for the Aspeed SoCs which do not support QUAD reads.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-06-21 00:01:28 +02:00
Benjamin Herrenschmidt 0cbef932bd spi-nor: Add Winbond w25m512jv
Similar to the other ones, different size. The "JV" suffix is in
the datasheet, I haven't seen mentions of a different one.

The datasheet indicates DUAL and QUAD are supported.

 http://www.winbond.com/resource-files/w25m512jv%20revc%2001062017.pdf

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-06-20 23:46:17 +02:00
Dan Carpenter 05d090f002 mtd: spi-nor: Potential oops on error path in quad_enable()
Before commit cff959958832 ("mtd: spi-nor: introduce SPI 1-2-2 and SPI
1-4-4 protocols") then we treated 1 as -EINVAL in the caller but after
that commit we changed to propagate the return.  My static checker
complains that it's eventually passed to an ERR_PTR() and later
dereferenced, but I'm not totally certain if that's true.  Regardless,
returning 1 is wrong.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
2017-05-15 21:56:18 +02:00
Cyrille Pitchen fe488a5e48 mtd: spi-nor: introduce Octo SPI protocols
This patch starts adding support to Octo SPI protocols (SPI x-y-8).

Op codes for Fast Read and/or Page Program operations using Octo SPI
protocols are not known yet (no JEDEC specification has defined them yet)
but we'd rather introduce the Octo SPI protocols now so it's done as it
should be.

Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
2017-05-15 21:56:17 +02:00
Cyrille Pitchen 15f5533152 mtd: spi-nor: introduce Double Transfer Rate (DTR) SPI protocols
This patch introduces support to Double Transfer Rate (DTR) SPI protocols.
DTR is used only for Fast Read operations.

According to manufacturer datasheets, whatever the number of I/O lines
used during instruction (x) and address/mode/dummy (y) clock cycles, DTR
is used only during data (z) clock cycles of SPI x-y-z protocols.

Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
2017-05-15 21:56:17 +02:00
Cyrille Pitchen cfc5604c48 mtd: spi-nor: introduce SPI 1-2-2 and SPI 1-4-4 protocols
This patch changes the prototype of spi_nor_scan(): its 3rd parameter
is replaced by a 'struct spi_nor_hwcaps' pointer, which tells the spi-nor
framework about the actual hardware capabilities supported by the SPI
controller and its driver.

Besides, this patch also introduces a new 'struct spi_nor_flash_parameter'
telling the spi-nor framework about the hardware capabilities supported by
the SPI flash memory and the associated settings required to use those
hardware caps.

Then, to improve the readability of spi_nor_scan(), the discovery of the
memory settings and the memory initialization are now split into two
dedicated functions.

1 - spi_nor_init_params()

The spi_nor_init_params() function is responsible for initializing the
'struct spi_nor_flash_parameter'. Currently this structure is filled with
legacy values but further patches will allow to override some parameter
values dynamically, for instance by reading the JESD216 Serial Flash
Discoverable Parameter (SFDP) tables from the SPI memory.
The spi_nor_init_params() function only deals with the hardware
capabilities of the SPI flash memory: especially it doesn't care about
the hardware capabilities supported by the SPI controller.

2 - spi_nor_setup()

The second function is called once the 'struct spi_nor_flash_parameter'
has been initialized by spi_nor_init_params().
With both 'struct spi_nor_flash_parameter' and 'struct spi_nor_hwcaps',
the new argument of spi_nor_scan(), spi_nor_setup() computes the best
match between hardware caps supported by both the (Q)SPI memory and
controller hence selecting the relevant settings for (Fast) Read and Page
Program operations.

Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
2017-05-15 21:56:17 +02:00
Linus Torvalds 9786e34e0a MTD updates for 4.12-rc1:
NAND, from Boris:
 """
  - some minor fixes/improvements on existing drivers (fsmc, gpio, ifc,
    davinci, brcmnand, omap)
  - a huge cleanup/rework of the denali driver accompanied with core
    fixes/improvements to simplify the driver code
  - a complete rewrite of the atmel driver to support new DT bindings
    make future evolution easier
  - the addition of per-vendor detection/initialization steps to avoid
    extending the nand_ids table with more extended-id entries
 """
 
 SPI NOR, from Cyrille:
 """
 - fixes in the hisi SPI controller driver.
 - fixes in the intel SPI controller driver.
 - fixes in the Mediatek SPI controller driver.
 - fixes to some SPI flash memories not supported the Chip Erase command.
 - add support to some new memory parts (Winbond, Macronix, Micron, ESMT).
 - add new driver for the STM32 QSPI controller.
 """
 
 And a few fixes for Gemini and Versatile platforms on physmap-of
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Merge tag 'for-linus-20170510' of git://git.infradead.org/linux-mtd

Pull MTD updates from Brian Norris:
 "NAND, from Boris:
   - some minor fixes/improvements on existing drivers (fsmc, gpio, ifc,
     davinci, brcmnand, omap)
   - a huge cleanup/rework of the denali driver accompanied with core
     fixes/improvements to simplify the driver code
   - a complete rewrite of the atmel driver to support new DT bindings
     make future evolution easier
   - the addition of per-vendor detection/initialization steps to avoid
     extending the nand_ids table with more extended-id entries

  SPI NOR, from Cyrille:
   - fixes in the hisi, intel and Mediatek SPI controller drivers
   - fixes to some SPI flash memories not supporting the Chip Erase
     command.
   - add support to some new memory parts (Winbond, Macronix, Micron,
     ESMT).
   - add new driver for the STM32 QSPI controller

  And a few fixes for Gemini and Versatile platforms on physmap-of"

* tag 'for-linus-20170510' of git://git.infradead.org/linux-mtd: (100 commits)
  MAINTAINERS: Update NAND subsystem git repositories
  mtd: nand: gpio: update binding
  mtd: nand: add ooblayout for old hamming layout
  mtd: oxnas_nand: Allocating more than necessary in probe()
  dt-bindings: mtd: Document the STM32 QSPI bindings
  mtd: mtk-nor: set controller's address width according to nor flash
  mtd: spi-nor: add driver for STM32 quad spi flash controller
  mtd: nand: brcmnand: Check flash #WP pin status before nand erase/program
  mtd: nand: davinci: add comment on NAND subpage write status on keystone
  mtd: nand: omap2: Fix partition creation via cmdline mtdparts
  mtd: nand: NULL terminate a of_device_id table
  mtd: nand: Fix a couple error codes
  mtd: nand: allow drivers to request minimum alignment for passed buffer
  mtd: nand: allocate aligned buffers if NAND_OWN_BUFFERS is unset
  mtd: nand: denali: allow to override revision number
  mtd: nand: denali_dt: use pdev instead of ofdev for platform_device
  mtd: nand: denali_dt: remove dma-mask DT property
  mtd: nand: denali: support 64bit capable DMA engine
  mtd: nand: denali_dt: enable HW_ECC_FIXUP for Altera SOCFPGA variant
  mtd: nand: denali: support HW_ECC_FIXUP capability
  ...
2017-05-11 10:44:22 -07:00
Mathias Kresin b0fcb4b413 mtd: spi-nor: enable stateless 4b op codes for mx25u25635f
All required stateless 4-byte op codes are supported by this flash
chip. The stateless 4-byte support can't be autodetected due to a
missing 4-byte Address Instruction Table in SFDP.

Fixes hangs on reboot for SoCs expecting the flash chip in 3byte mode.

Signed-off-by: Mathias Kresin <dev@kresin.me>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
2017-04-16 18:33:38 +02:00
Nobuhiro Iwamatsu 835ed7bf12 mtd: spi-nor: Add support for N25Q256A11
Add new Micron N25Q256A (N25Q256A11) 256Mbit NOR Flash in the list
of supported devices. This chip has the same structure as the N25Q256A
but ID and voltage (1V8) to use is different. Therefore, this adds
N25Q256A11 as n25q256ax1.

In the future, for new Micron memories we could use the patterns
"n25q*ax1" for 1V8 and "n25q*ax3" for 3V3 memories.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.kw@hitachi.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
2017-04-10 23:09:17 +02:00
Alexander Kurz 9f3cd4537d drivers mtd: spi-nor: add Macronix MX25Ux033E and MX25Ux035 variants
Macronix MX25U2033E, MX25U4033E and MX25U4035 devices are used in 4/5/6th
generation Kindle ebook readers. Both MX25U403x variants share the same
JEDEC id. Add those spi-nor variants and the similar MX25U8035 mentioned
in the same set of datasheets.

Signed-off-by: Alexander Kurz <akurz@blala.de>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
2017-03-22 22:12:32 +01:00
Alexander Kurz 34fc99dbf3 drivers mtd: spi-nor: add Winbond W25Q20 variants
Winbond W25Q20BW devices are used in 4/5th generation Kindle ebook readers.
Add this spi-nor device and the similar W25Q20 devices to the list of known
devices.

Signed-off-by: Alexander Kurz <akurz@blala.de>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
2017-03-22 22:04:34 +01:00
mar.krzeminski 193fb3c112 mtd: spi-nor: Disable chip erase for Micron n25q00.
Micron n25q00 are stacked chips, thus do not support chip erase.
>From now spi-nor framework will not send chip erase command,
instead will use sector at time erase procedure.

Signed-off-by: Marcin Krzeminski <mar.krzeminski@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
2017-03-22 21:56:50 +01:00
mar.krzeminski 2f5ad7f0f3 mtd: spi-nor: Fix whole chip erasing for stacked chips.
Currently it is possible to disable chip erase for spi-nor driver.
Some modern stacked (multi die) flash chips do not support chip
erase opcode at all but spi-nor framework needs to cope with them too.
This commit extends existing functionality to allow disable
chip erase for a single flash chip.

Signed-off-by: Marcin Krzeminski <mar.krzeminski@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
2017-03-22 21:52:53 +01:00
Masahiro Yamada 8a1115ff6b scripts/spelling.txt: add "disble(d)" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  disble||disable
  disbled||disabled

I kept the TSL2563_INT_DISBLED in /drivers/iio/light/tsl2563.c
untouched.  The macro is not referenced at all, but this commit is
touching only comment blocks just in case.

Link: http://lkml.kernel.org/r/1481573103-11329-20-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-03-09 17:01:09 -08:00
L. D. Pinney ca1fa1a8a6 mtd: spi-nor: Add support for ESMT F25L32QA and F25L64QA
Add support for the ESMT F25L32QA and F25L64QA.
These are 4MB and 8MB SPI-NOR Chips from Elite Semiconductor Memory
Technology.

Signed-off-by: L. D. Pinney <ldpinney@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
2017-03-07 22:41:36 +01:00
Brian Norris 398d8739bb This pull request contains the following notable changes:
- add support to the 4-byte address instruction set.
 - add support to new memory parts.
 - add support to S3AN memories.
 - add support to the Intel SPI controller.
 - add support to the Aspeed AST2400 and AST2550 controllers.
 - fix max SPI transfer and message sizes in m25p80_read().
 - fix the Candence QSPI driver.
 - fix the Freescale QSPI driver.
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Merge tag 'spi-nor/for-4.11-v2' of git://github.com/spi-nor/linux

From Cyrille:

"""
This pull request contains the following notable changes:
- add support to the 4-byte address instruction set.
- add support to new memory parts.
- add support to S3AN memories.
- add support to the Intel SPI controller.
- add support to the Aspeed AST2400 and AST2550 controllers.
- fix max SPI transfer and message sizes in m25p80_read().
- fix the Candence QSPI driver.
- fix the Freescale QSPI driver.
"""
2017-02-10 10:05:51 -08:00
Kamal Dasu e9cf64dec1 mtd: spi-nor: Add support for gd25q16
Add GigaDevice GD25Q16 (16M-bit) to supported list.

Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
2017-02-10 14:21:59 +01:00