| Commit message (Collapse) | Author | Age | Lines |
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bar_end gives more meaningfull compared to bank_end and
spi_flash_write_bar uses bar_end so replaced bank_end with
bar_end in spi_flash_read_bar
Signed-off-by: Jagan Teki <jteki@openedev.com>
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Since quad_mode functions are local to spi flash core,
rename them to a meaningful and readable names.
Signed-off-by: Jagan Teki <jteki@openedev.com>
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Since spi_read_cmds_array is used locally in
spi_flash_scan, so move array to locally used
function instead of defining global array.
Tested-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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Since SPI_TX_* are spi_slave{} members so use spi protocol
notation instead spi flash programming, like
SPI_TX_BP => SPI_TX_BYTE
SPI_TX_QPP => SPI_TX_QUAD
Cc: Simon Glass <sjg@chromium.org>
Tested-by: Jagan Teki <jteki@openedev.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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Used mode member from spi_slave{} instead of op_mode_tx.
Cc: Simon Glass <sjg@chromium.org>
Tested-by: Jagan Teki <jteki@openedev.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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For better code readabilty, get the spi pointer from
spi_flash{} locally and use it instead of direct
dereferring spi pinter as flash->spi->*
Tested-by: Jagan Teki <jteki@openedev.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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stm_is_locked_sr() takes the status register (SR) value as the last
parameter, not the second.
Based on a patch from Brian Norris for the linux kernel:
http://git.infradead.org/linux-mtd.git/commit/a32d5b726ff8cf32bf491522b0ac8ae2545a063e
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
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drivers/mtd/ubi/io.c:1354:3: error: 'dump_len' undeclared (first use in
this function)
dump_len = max_t(int, 128, len - i);
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
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Allow ctrl-c to abort the erase ops.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
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Show sector erase progress with dot and comma.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
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Skip erase if the sector is blank. The sector erase is slow, and
may take 0.7 sec typically or up to 3 sec worst-case.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
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If the erase fails, fail_addr might indicate exactly which block
failed. If fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not
at the device level or was not specific to any particular block.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
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Erase is an asynchronous operation. Device drivers are supposed
to call instr->callback() whenever the operation completes, even
if it completes with a failure.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
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Initialize instr.mtd in flash_erase(). This fixes the system
hang issue when CONFIG_MTD_PARTITIONS is selected.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Acked-by: Marek Vasut <marex@denx.de>
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Since all spi-flash core operations are moved into
sf_ops.c then it's better to renamed as spi-flash.c
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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Used static for file-scope functions in sf_probe.c
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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Since spi_slave is a spi pointer in spi_flash{} then assign
spi_slave{} pointer to flash->spi and remove spi_slave
pointer argument to
- spi_flash_probe_slave
- spi_flash_scan
Tested-by: Jagan Teki <jteki@openedev.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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For assigning read_bar commands in spansion case, break
is missing this patch add that break.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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SST parts added on sf_params.c supports both SST_WR which consits
of both BP and WP and there is a spi controller ich which supports
only BP so the relevent _write hook set based on "slave->op_mode_tx"
hence there is no respective change required from flash side hance
removed these.
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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Removed unneeded header includes in sf_ops and sf_probe
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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Using macro's for flash power up read-only access code
leads wrong behaviour hence use idcode0 for runtime
detection, hence the flash which require this functionality
gets detected at runtime.
Tested-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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Most of the register access function are static,
so used simple name to represent each.
Tested-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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This patch removes unneeded ifdef and fixed accordingly.
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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Use static for file-scope functions and removed
them from header files.
Tested-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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- Move bar read code below the bar write hance both
at once place, hence it easy for #ifdef macro only
once and readable.
- Move read_cmd_array at top
Tested-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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read_id code is related to spi_flash stuff
hence moved to sf_ops.
Tested-by: Jagan Teki <jteki@openedev.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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Intension is that sf_ops should deals all spi_flash
related stuff and sf_probe (which should renamed future)
should be an interface layer for spi_flash versus spi drivers.
sf_ops => spi_flash interface
sf_probe => interface layer vs spi_flash(sf_probe) to spi drivers
Tested-by: Jagan Teki <jteki@openedev.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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Rename spi_flash_validate_params to spi_flash_scan
as this code not only deals with params setup but
also configure all spi_flash attributes.
And also moved all flash related code into
spi_flash_scan for future functionality addition.
Tested-by: Jagan Teki <jteki@openedev.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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Fix erase and write error code, which should be "protected".
From the "Embedded Peripherals IP User Guide" of Altera,
The "Illegal write" flag indicates that a write instruction is
targeting a protected sector on the flash memory. This bit is
set to indicate that the IP has cancelled a write instruction.
The "Illegal erase" flag indicates that an erase instruction has
been set to a protected sector on the flash memory. This bit is
set to indicate that the IP has cancelled the erase instruction.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Acked-by: Chin Liang See <clsee@altera.com>
Reviewed-by: Marek Vasut <marex@denx.de>
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Add lock() and unlock() mtd ops to altera_qspi.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Acked-by: Chin Liang See <clsee@altera.com>
Reviewed-by: Marek Vasut <marex@denx.de>
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Signed-off-by: Vagrant Cascadian <vagrant@debian.org>
Acked-by: Marek Vasut <marex@denx.de>
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The console includes a global variable and several functions that are only
used by a small subset of U-Boot files. Before adding more functions, move
the definitions into their own header file.
Signed-off-by: Simon Glass <sjg@chromium.org>
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flash->flags for SST flash should be updated for both DM and non-DM
flash drivers.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
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We should check the return value from spi_flash_cmd_read_status() and
propagate it in the case of error.
This fixes a defect caught by Coverity.
Reported-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
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SST SPI NOR flash has the same locking programming bits
as ST Micro - added support for it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
[Minor change on commit message]
Signed-off-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
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The relevent boards which used this driver got zapped
in previous release and the driver is never used in the
code and also it doesn't use/do any spi-flash operations.
Commit details for relevent removed boards:
"ARM: at91: remove non-generic boards"
(sha1: f6b42c140387589ded24749781ce565571092eac)
Cc: Tom Rini <trini@konsulko.com>
Cc: Albin Tonnerre <albin.tonnerre@free-electrons.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
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It is follow up patch based on
"dm: Add support for all targets which requires MANUAL_RELOC"
(sha1: 484fdf5ba058b07be5ca82763aa2b72063540ef3)
to update function pointers for DM.
Using post_bind is not ideal but it is one on current option what can be
used. Variable reloc_done has to be used do not call relocation after
every bind. Maybe new core functions should be introduced for this case.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Make spl_*_load_image() functions return a value instead of
hanging if a problem is encountered. This enables main spl code
to make the decision whether to hang or not, thus preparing
it to support alternative boot devices.
Some boot devices (namely nand and spi) do not hang on error.
Instead, they return normally and SPL proceeds to boot the
contents of the load address. This is considered a bug and
is rectified by hanging on error for these devices as well.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Tom Rini <trini@konsulko.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Ian Campbell <ijc@hellion.org.uk>
Cc: Hans De Goede <hdegoede@redhat.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Jagan Teki <jteki@openedev.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Change ioremap() to map_physmem(), as it is more used in u-boot.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Reviewed-by: Marek Vasut <marex@denx.de>
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commit c3c016c "sf: Add SPI NOR protection mechanism" introduced
flash_lock()/flash_unlock()/flash_is_locked() methods for SPI flash,
but not every flash driver supplies these. We should test these
methods against NULL before actually calling them.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
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The current error message in get_part if CONFIG_MTDPARTS is disabled is
"offset is not a number" which is confusing and doesn't help at all.
Change that for something that might give a hint on what's going on.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
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Add Altera Generic Quad SPI Controller support. The controller
converts SPI NOR flash to parallel flash interface. So it is
not like other SPI flash, but rather like CFI flash.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
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Convert cfi flash to driver model.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Implement a Memory Technology Device (MTD) uclass. It should
include most flash drivers in the future. Though no uclass ops
are defined yet, the MTD ops could be used.
The NAND flash driver is based on MTD. The CFI flash and SPI
flash support MTD, too. It should make sense to convert them
to MTD uclass.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
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Many SPI flashes have protection bits (BP2, BP1 and BP0) in the
status register that can protect selected regions of the SPI NOR.
Take these bits into account when performing erase operations,
making sure that the protected areas are skipped.
Tested on a mx6qsabresd:
=> sf probe
SF: Detected M25P32 with page size 256 Bytes, erase size 64 KiB, total 4 MiB
=> sf protect lock 0x3f0000 0x10000
=> sf erase 0x3f0000 0x10000
offset 0x3f0000 is protected and cannot be erased
SF: 65536 bytes @ 0x3f0000 Erased: ERROR
=> sf protect unlock 0x3f0000 0x10000
=> sf erase 0x3f0000 0x10000
SF: 65536 bytes @ 0x3f0000 Erased: OK
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
[re-worked to fit the lock common to dm and non-dm]
Signed-off-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Jagan Teki <jteki@openedev.com>
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Add the SPI NOR protection mechanism from the kernel.
This code is based on the work from
Brian Norris <computersforpeace@gmail.com>
Here is the commit details:
"mtd: spi-nor: refactor block protection functions"
(sha1: 62593cf40b23b523b9fc9334ca61ba6c595ebb09)
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Jagan Teki <jteki@openedev.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
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Use the is_power_of_2() definition from log2.h to align with the
kernel implementation.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Jagan Teki <jteki@openedev.com>
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