| Commit message (Collapse) | Author | Age | Lines |
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Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Reviewed-by: Marek Vasut <marex@denx.de>
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Calculate ecc strength according oobsize, but not hardcoded
which is not aligned with kernel driver
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Signed-off-by: Ye.Li <b37916@freescale.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
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There is only one pio_word in this DMA transaction so data field must be 1.
Signed-off-by: Luca Ellero <luca.ellero@brickedbrain.com>
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There is only one pio_word in this DMA transaction so data field must be 1.
Signed-off-by: Luca Ellero <luca.ellero@brickedbrain.com>
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Add ECC geometry for NAND which has 2048b pagesize and 112b OOB
size. This is for example Macronix MX30LF2G28AB chip.
Signed-off-by: Marek Vasut <marex@denx.de>
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On a board with an i.mx28 and a Micron MT29F4G08ABAEAH4, Linux says:
NAND device: Manufacturer ID: 0x2c, Chip ID: 0xdc (Micron MT29F4G08ABAEAH4),
512MiB, page size: 4096, OOB size: 224) the ECC strength is 16.
root@(none):/sys/devices/virtual/mtd/mtd0# for i in ecc_strength oobsize subpagesize; do echo $i = `cat $i`; done
ecc_strength = 16
oobsize = 224
subpagesize = 4096
The ECC strength was not properly discovered by U-Boot causing the data
written by Linux to return an -74 (EBADMSG) when read from U-Boot. This
patch fixes mxs_nand_get_ecc_strength() to function in case of a NAND
flash with page_data_size = 4096 and page_oob_size= 224.
Signed-off-by: Elie De Brauwer <eliedebrauwer@gmail.com>
Acked-by: Scott Wood <scottwood@freescale.com>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
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This patch is essentially an update of u-boot MTD subsystem to
the state of Linux-3.7.1 with exclusion of some bits:
- the update is concentrated on NAND, no onenand or CFI/NOR/SPI
flashes interfaces are updated EXCEPT for API changes.
- new large NAND chips support is there, though some updates
have got in Linux-3.8.-rc1, (which will follow on top of this patch).
To produce this update I used tag v3.7.1 of linux-stable repository.
The update was made using application of relevant patches,
with changes relevant to U-Boot-only stuff sticked together
to keep bisectability. Then all changes were grouped together
to this patch.
Signed-off-by: Sergey Lapin <slapin@ossfans.org>
[scottwood@freescale.com: some eccstrength and build fixes]
Signed-off-by: Scott Wood <scottwood@freescale.com>
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Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Scott Wood <scottwood@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
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The following headers are moved to a i.MX common location:
- regs-common.h
- regs-apbh.h
- regs-bch.h
- regs-gpmi.h
- dma.h
This way this header can be re-used also by other i.MX platforms.
For example the i.MX6 which will need it for the upcoming NAND
support.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
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It could happen (1 out of 100 times) that NAND did not start up correctly after
warm rebooting, so we end up with various failures or DMA timed out due to a
stalled BCH. When resetting BCH together with GPMI, the issue could not be
observed anymore (after 10000+ reboots). We probably need the consistent state
already before sending commands to NAND. This behaviour was observed in barebox
and kernel, so I assume it affects U-Boot as well. I chose to keep the extra
reset for BCH when changing the flash layout to be on the safe side.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Marek Vasut <marex@denx.de>
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With Simon Glass's include/nand.h alignment changes, some mxs builds
were generating errors. Fix is to ensure asm/cache.h is included before
linux/mtd/nand.h. Moving common.h to top of include list does that.
Signed-off-by: Tom Warren <twarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
Acked-by: Marek Vasut <marex@denx.de>
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The sys_proto.h functions (except the boot modes) are compatible with
i.MX233 and i.MX28 so we use 'mxs' prefix for its methods.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
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Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
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This fixes the issue where mxs_dma_init() was called either twice or never,
without introducing any new init hooks.
The idea is to allow each and every device using the APBH DMA block to
configure and request only the channels it uses, instead of making it call init
for all the channels as is now.
The common DMA block init part, which only configures the block, is then called
from CPUs arch_cpu_init() call.
NOTE: This patch depends on:
http://patchwork.ozlabs.org/patch/150957/
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
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Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
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Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
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