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path: root/drivers/dfu/dfu.c
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2021-11-07dfu: newline after updatingHeinrich Schuchardt1-0/+1
Currently output of dfu commands ends on a line with leading hash signs ('#'). The succeeding output should be placed on a new line. After writing updates via dfu print a new line. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2021-06-18dfu: add error callbackPatrick Delaunay1-0/+12
Add error callback in dfu stack to manage some board specific behavior on DFU targets. Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
2021-01-31dfu: add 'SCRIPT' entityMarek Szyprowski1-1/+6
Define a new 'SCRIPT' type for DFU entities. The downloaded data are treated as simple u-boot's scripts and executed with run_command_list() function. Flashing the 'SCRIPT' entity might result in changing the 'dfu_alt_info' environment variable from the flashed script, so add a global variable for tracking the potential need to reinitialize the dfu_alt_info related structures. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2021-01-31dfu: add 'SKIP' entityJaehoon Chung1-1/+1
Define a new 'SKIP' type for the DFU entities. The flashed data for that entity is simply ignored without returning any error values. This allows to have one flashing procedure and images for the different board types or variants, where each board uses only the images relevant to it and skips the rest. This is especially usefull for the THOR protocol, which usually transfers more than one file in a single session. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Minkyu Kang <mk7.kang@samsung.com> [mszyprow: rephrased commit message and docs for easier reading, changed subject to "dfu: add 'SKIP' entity"] Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2020-10-30dfu: export dfu_listAKASHI Takahiro1-1/+1
This variable will be utilized to enumerate all dfu entities for UEFI capsule firmware update in a later commit. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Reviewed-by: Tom Rini <trini@konsulko.com>
2020-05-19common: Drop log.h from common headerSimon Glass1-0/+1
Move this header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-01-07dfu: Add optional timeout parameterAndy Shevchenko1-0/+15
When the `dfu` command is called from the U-Boot environment, it now accepts an optional parameter that specifies a timeout (in seconds). If a DFU connection is not made within that time the `dfu` command exits (as it would if Ctrl+C was pressed). If the timeout is left empty or being zero the `dfu` command behaves as it does now. This is useful for allowing U-Boot to check to see if anything wants to upload new firmware before continuing to boot. The patch is based on the commit https://github.com/01org/edison-u-boot/commit/5e966ccc3c65c18c9783741fa04e0c45e021780c by Sebastien Colleur, which has been heavily reworked due to U-Boot changes in the past. Signed-off-by: Brad Campbell <bradjc5@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2019-10-31dfu: add callback for flush and initiated operationPatrick Delaunay1-0/+19
Add weak callback to allow board specific behavior - flush - initiated This patch prepare usage of DFU back end for communication with STM32CubeProgrammer on stm32mp1 platform with stm32prog command. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-10-31dfu: add DFU virtual backendPatrick Delaunay1-1/+4
Add a virtual DFU backend to allow board specific read and write (for OTP update for example). Acked-by: Lukasz Majewski <lukma@denx.de> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-10-31dfu: add backend for MTD devicePatrick Delaunay1-1/+4
Add DFU backend for MTD device: allow to read and write on all MTD device (NAND, SPI-NOR, SPI-NAND,...) For example : > set dfu_alt_info "nand_raw raw 0x0 0x100000" > dfu 0 mtd nand0 This MTD backend provides the same level than dfu nand backend for NAND and dfu sf backend for SPI-NOR; So it can replace booth of them but it also add support of spi-nand. > set dfu_alt_info "nand_raw raw 0x0 0x100000" > dfu 0 mtd spi-nand0 The backend code is based on the "mtd" command introduced by commit 5db66b3aee6f ("cmd: mtd: add 'mtd' command") Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-10-31dfu: allow read with no data without error for EOF indicationPatrick Delaunay1-0/+2
This patch allows the DFU backend to indicate that that it can't provide no more data to fill the DFU buffer, by setting b_left =0 without error, even if the size of received data is lower of the expected total size indicated by get_medium_size. For USB DFU stack point of view, it is acceptable: the read length < requested size in DFU_UPLOAD and the transaction is stopped. That avoid infinite loop issue in dfu_read_buffer_fill because the size for the DFU read is limited by get_medium_size = r_left and the DFU stack expects that read is allowed up to this size. This issue never occurs for current flash device (where chunk are always completely read, and b_left will be never 0) but it is useful for virtual partition when the backend only know the max size of this alternate, the real size of the data are only known in the read treatment. PS: for file access on mmc, EOF is never reached as dfu_get_medium_size_mmc returns the exact size of the file. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-10-31dfu: allow to manage DFU on several devicesPatrick Delaunay1-1/+59
Add support of DFU for several interface/device with one command. The format for "dfu_alt_info" in this case is : - <interface> <dev>'='alternate list (';' separated) - each interface is separated by '&' The previous behavior is always supported. One example for NOR (bootloaders) + NAND (rootfs in UBI): U-Boot> env set dfu_alt_info \ "sf 0:0:10000000:0=spl part 0 1;u-boot part 0 2; \ u-boot-env part 0 3&nand 0=UBI partubi 0,3" U-Boot> dfu 0 list DFU alt settings list: dev: SF alt: 0 name: spl layout: RAW_ADDR dev: SF alt: 1 name: ssbl layout: RAW_ADDR dev: SF alt: 2 name: u-boot-env layout: RAW_ADDR dev: NAND alt: 3 name: UBI layout: RAW_ADDR U-Boot> dfu 0 $> dfu-util -l Found DFU: [0483:5720] ver=9999, devnum=96, cfg=1,\ intf=0, alt=3, name="UBI", serial="002700333338511934383330" Found DFU: [0483:5720] ver=9999, devnum=96, cfg=1,\ intf=0, alt=2, name="u-boot-env", serial="002700333338511934383330" Found DFU: [0483:5720] ver=9999, devnum=96, cfg=1,\ intf=0, alt=1, name="u-boot", serial="002700333338511934383330" Found DFU: [0483:5720] ver=9999, devnum=96, cfg=1,\ intf=0, alt=0, name="spl", serial="002700333338511934383330" Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-10-31dfu: prepare the support of multiple interfacePatrick Delaunay1-12/+39
Split the function dfu_config_entities with 2 new functions - dfu_alt_init - dfu_alt_add Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-10-31dfu: cosmetic: cleanup sf to avoid checkpatch errorPatrick Delaunay1-3/+4
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Acked-by: Lukasz Majewski <lukma@denx.de>
2019-08-11env: Move env_get() to env.hSimon Glass1-0/+1
Move env_get() over to the new header file. Acked-by: Joe Hershberger <joe.hershberger@ni.com> Signed-off-by: Simon Glass <sjg@chromium.org>
2018-08-08dfu: Provide more verbose error messageSam Protsenko1-0/+1
It might be useful for user to see some human-readable root cause message in addition to "configuration failed" message, so that the issue can be fixed quickly. Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
2018-08-08dfu: Fix memory leak in dfu_init_env_entities()Sam Protsenko1-3/+4
In case of error in dfu_init_env_entities(), env_bkp will leak. Fix it by providing single return path. Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
2018-08-08dfu: Fix data abort in dfu_free_entities()Sam Protsenko1-1/+1
Commit 5d8fae79163e ("dfu: avoid memory leak") brings a regression which described below. This patch is effectively reverting that commit, adding corresponding comment to avoid such regressions in future. In case of error in dfu_config_entities(), it frees "dfu" array, which leads to "data abort" in dfu_free_entities(), which tries to free the same array (and even tries to access it from linked list first). The issue occurs e.g. when partition table on device does not match $dfu_alt_info layout: => dfu 0 mmc 1 Couldn't find part #2 on mmc device #1 DFU entities configuration failed! data abort To fix this issue, do not free "dfu" array in dfu_config_entities(). It will be freed later in dfu_free_entities(). Tested on BeagleBone Black (where this regression was originally found). Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
2018-05-07SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini1-2/+1
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
2017-10-04treewide: replace with error() with pr_err()Masahiro Yamada1-7/+7
U-Boot widely uses error() as a bit noisier variant of printf(). This macro causes name conflict with the following line in include/linux/compiler-gcc.h: # define __compiletime_error(message) __attribute__((error(message))) This prevents us from using __compiletime_error(), and makes it difficult to fully sync BUILD_BUG macros with Linux. (Notice Linux's BUILD_BUG_ON_MSG is implemented by using compiletime_assert().) Let's convert error() into now treewide-available pr_err(). Done with the help of Coccinelle, excluing tools/ directory. The semantic patch I used is as follows: // <smpl> @@@@ -error +pr_err (...) // </smpl> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org> [trini: Re-run Coccinelle] Signed-off-by: Tom Rini <trini@konsulko.com>
2017-08-16env: Rename getenv/_f() to env_get()Simon Glass1-3/+3
We are now using an env_ prefix for environment functions. Rename these two functions for consistency. Also add function comments in common.h. Quite a few places use getenv() in a condition context, provoking a warning from checkpatch. These are fixed up in this patch also. Suggested-by: Wolfgang Denk <wd@denx.de> Signed-off-by: Simon Glass <sjg@chromium.org>
2017-07-29dfu: add common function to initiate transactionPatrick Delaunay1-38/+34
- factorize code between read and write transaction - always use dfu_transaction_cleanup() to initialize the internal variable: easy maintenance - replace direct access by dfu_get_buf() and dfu_get_buf_size() Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2017-07-29dfu: factorize transaction cleanupPatrick Delaunay1-17/+11
rename cleanup function, as now called by read Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2017-07-29dfu: remove limitation on partition sizePatrick Delaunay1-1/+1
Change long (32 bits on arm) to u64 (same type than offset) for size and read offset r_left So partition and device used for DFU can be greater than 4GB Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2017-07-29dfu: allow dfu read on partition greater than 2GBPatrick Delaunay1-3/+3
solve issue on get_medium_size() function the detection of error is a simple test < 0 but for ARM platform, long is 32bits and 2GB = 0x80000000 is seen as error. I solve the issue by changing the prototype fo the function to separate size and result. This patch prepare the next patch with size change to u64. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2017-05-12common: dfu: ignore reset for spl-dfuB, Ravi1-0/+4
The SPL-DFU feature enable to load and execute u-boot from RAM over usb from PC using dfu-util. Hence dfu-reset should not be issued when dfu-util -R switch is issued. Signed-off-by: Ravi Babu <ravibabu@ti.com>
2016-11-03dfu: align array in dfu_get_dev_type with enum dfu_device_typePatrick Delaunay1-1/+1
Signed-off-by: Patrick Delaunay <patrick.delaunay73@gmail.com>
2016-05-06dfu: avoid memory leakPeng Fan1-1/+3
When dfu_fill_entity fail, need to free dfu to avoid memory leak. Reported by Coverity: " Resource leak (RESOURCE_LEAK) leaked_storage: Variable dfu going out of scope leaks the storage it points to. " Signed-off-by: Peng Fan <van.freenix@gmail.com> Cc: "Łukasz Majewski" <l.majewski@samsung.com> Cc: Marek Vasut <marex@denx.de>
2015-09-12dfu: mmc: buffer file reads tooStephen Warren1-11/+0
When writing to files in a filesystem on MMC, dfu_mmc.c buffers up the entire file content until the end of the transaction, at which point the file is written in one go. This allows writing files larger than the USB transfer size (CONFIG_SYS_DFU_DATA_BUF_SIZE); the maximum written file size is CONFIG_SYS_DFU_MAX_FILE_SIZE (the size of the temporary buffer). The current file reading code does not do any buffering, and so limits the maximum read file size to the USB transfer size. Enhance the code to do the same kind of buffering as the write path, so the same file size limits apply. Remove the size checking code from dfu_read() since all read paths now support larger files than the USB transfer buffer. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Lukasz Majewski <l.majewski@samsung.com> Tested-by: Lukasz Majewski <l.majewski@samsung.com>
2015-09-12dfu: don't keep freeing/reallocatingStephen Warren1-2/+2
DFU currently allocates buffer memory at the start of each data transfer operation and frees it at the end. Especially since memalign() is used to allocate the buffer, and various other allocations happen during the transfer, this can expose the code to heap fragmentation, which prevents the allocation from succeeding on subsequent transfers. Fix the code to allocate the buffer once when DFU mode is initialized, and free the buffer once when DFU mode is exited, to reduce the exposure to heap fragmentation. The failure mode is: // Internally to memalign(), this allocates a lot more than s to guarantee // that alignment can occur, then returns chunks of memory at the start/ // end of the allocated buffer to the heap. p = memalign(a, s); // Various other malloc()s occur here, some of which allocate the RAM // immediately before/after "p". // // DFU transfer is complete, so buffer is released. free(p); // By chance, no other malloc()/free() here, in DFU at least. // // A new DFU transfer starts, so the buffer is allocated again. // In theory this should succeed since we just free()d a buffer of the // same size. However, this fails because memalign() internally attempts // to allocate much more than "s", yet free(p) above only free()d a // little more than "s". p = memalign(a, s); Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Lukasz Majewski <l.majewski@samsung.com> Tested-by: Lukasz Majewski <l.majewski@samsung.com>
2015-09-07dfu: tftp: update: Add dfu_write_from_mem_addr() functionLukasz Majewski1-0/+37
This function allows writing via DFU data stored from fixed buffer address (like e.g. loadaddr env variable). Such predefined buffers are used in the update_tftp() code. In fact this function is a wrapper on the dfu_write() and dfu_flush(). Signed-off-by: Lukasz Majewski <l.majewski@majess.pl> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2015-09-07dfu: Delete superfluous initialization of the dfu_buf_size static variableLukasz Majewski1-1/+1
After extension of the dfu_get_buf() to also setup (implicitly) the dfu_buf_size variable it is not needed to set dfu_buf_size to CONFIG_SYS_DFU_DATA_BUF_SIZE. This variable is set in the dfu_get_buf() by not only considering CONFIG_SYS_DFU_DATA_BUF but more importantly the "dfu_bufsiz" env variable. Therefore, dfu_get_buf() should be used for initialization. Signed-off-by: Lukasz Majewski <l.majewski@majess.pl> Reviewed-by: Przemyslaw Marczak <p.marczak@samsung.com>
2015-07-28dfu: fix 64-bit compile warningsStephen Warren1-2/+2
Use %p to print pointers. The max value of (i_buf - i_buf_start) should be dfu_buf_size, which is an unsigned long, so cast the pointer difference to that type to print. Change-Id: Iee242df9f8eb091aecfe0cea4c282b28b547acfe Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
2015-02-25dfu: samsung: move call to set_dfu_alt_info() to dfu common codePrzemyslaw Marczak1-0/+3
This common call can be used for setting proper entities based on dfu command arguments. The config: CONFIG_SET_DFU_ALT_INFO, was used only for few configs, and now it is common. The board file should implement: - set_dfu_alt_info() function Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Tested-by: Lukasz Majewski <l.majewski@samsung.com> [Test HW: Odroid U3 (Exynos 4412)]
2014-12-18dfu: dfu_get_buf: check the value of env dfu_bufsiz before usePrzemyslaw Marczak1-2/+6
In function dfu_get_buf(), the size of allocated buffer could be defined by the env variable. The size from this variable was passed for memalign() without checking its value. And the the memalign will return non null pointer for size 0. This could possibly cause data abort, so now the value of var is checked before use. And if this variable is set to 0 then the default size will be used. This commit also changes the base passed to simple_strtoul() to 0. Now decimal and hex values can be used for the variable dfu_bufsiz. Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Tested-by: Lukasz Majewski <l.majewski@samsung.com> [TestHW: Exynos4412-Trats2]
2014-12-18usb, g_dnl: generalize DFU detach functionsRob Herring1-16/+0
In order to add detach functions for fastboot, make the DFU detach related functions common so they can be shared. Signed-off-by: Rob Herring <robh@kernel.org> Tested-by: Lukasz Majewski <l.majewski@samsung.com> [TestHW: Exynos4412-Trats2]
2014-12-12Merge branch 'master' of git://git.denx.de/u-boot-usbTom Rini1-2/+27
Conflicts: board/freescale/mx6sxsabresd/mx6sxsabresd.c Signed-off-by: Tom Rini <trini@ti.com>
2014-11-23linux/kernel.h: sync min, max, min3, max3 macros with LinuxMasahiro Yamada1-1/+1
U-Boot has never cared about the type when we get max/min of two values, but Linux Kernel does. This commit gets min, max, min3, max3 macros synced with the kernel introducing type checks. Many of references of those macros must be fixed to suppress warnings. We have two options: - Use min, max, min3, max3 only when the arguments have the same type (or add casts to the arguments) - Use min_t/max_t instead with the appropriate type for the first argument Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Pavel Machek <pavel@denx.de> Acked-by: Lukasz Majewski <l.majewski@samsung.com> Tested-by: Lukasz Majewski <l.majewski@samsung.com> [trini: Fixup arch/blackfin/lib/string.c] Signed-off-by: Tom Rini <trini@ti.com>
2014-11-14dfu: thor: fix: Modify dfu_get_alt() function to support absolute pathsLukasz Majewski1-2/+27
Recently the ext4 file system imposed passing absolute path with its file name parameter. As a result dfu_alt_info env variable has been modified to provide absolute path when ext4 file system is accessed (e.g. /uImage ext4 0 2;). Unfortunately, lthor flashing program provides plain file name (like uImage) and hence those two file names do not match anymore. Presented commit also allows lthor to write files to sub directories (like /boot/bin/uImage). Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Reviewed-by: Marek Vasut <marex@denx.de>
2014-09-02dfu: Provide means to find difference between dfu-util -e and -RLukasz Majewski1-5/+26
This commit provides distinction between DFU device detach and reset. The -R behavior is preserved with proper handling of the dfu-util's -e switch, which detach the DFU device. By running dfu-util -e; one can force device to finish the execution of dfu command on target and execute some other scripted commands. Moreover, some naming has been changed - the dfu_reset() method now is known as dfu_detach(). New name better reflects the purpose of the code. It was also necessary to increase the number of usb_gadget_handle_interrupts() calls since we also must wait for detection of the USB reset event. Example usage: 1. -e (detach) switch dfu-util -a0 -D file1.bin;dfu-util -a3 -D uImage;dfu-util -e access to u-boot prompt. 2. -R (reset) switch dfu-util -a0 -D file1.bin;dfu-util -R -a3 -D uImage target board reset Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Reviewed-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@nvidia.com>
2014-08-09dfu: fix readback buffer overflow testStephen Warren1-1/+1
The buffer is too small if it's < size to read, not if it's <= the size. This fixes the 1MB test case on Tegra, which has a 1MB buffer. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2014-08-09dfu: add SF backendStephen Warren1-0/+3
This allows SPI Flash to be programmed using DFU. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2014-08-09dfu: add free_entity() to struct dfu_entityStephen Warren1-0/+3
This allows the backend to free any resources allocated during the relevant dfu_fill_entity_*() call. This will soon be used by the SF backend. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2014-08-09dfu: allow backend to specify a maximum buffer sizeStephen Warren1-5/+8
CONFIG_SYS_DFU_DATA_BUF_SIZE may be large to allow for FAT/ext layouts to transfer large files. However, this means that individual write operations will take a long time. Allow backends to specify a maximum buffer size, so that each write operation is limited to a smaller data block. This prevents the DFU protocol from timing out when e.g. writing to SPI flash. I would guess that NAND might benefit from setting this value too, but I can't test that. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2014-08-09dfu: defer parsing of device string to IO backendStephen Warren1-10/+10
Devices are not all identified by a single integer. To support this, defer the parsing of the device string to the IO backed, so that it can apply the appropriate rules. SPI devices are specified as controller:chip_select. SPI/SF support will be added soon. MMC devices can also be specified as controller[.hwpart][:partition] in many commands, although we don't support that syntax in DFU. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2014-08-09dfu: add write error handlingStephen Warren1-18/+28
Fix calls to dfu_write() and dfu_flush() to detect errors in the I/O itself. This could happen due to problems with the storage medium, or simply when trying to write a FAT/ext file that is larger than the buffer dfu_mmc.c maintains for this purpose. Signal the error by switching the DFU state/status. This will be picked up by the DFU client when it sends the next DFU request. Note that errors can't simply be returned from e.g. dnload_request_complete(), since that function has no way to pass errors back to the DFU client; a call to dnload_request_complete() simply means that a USB OUT completed. This error state/status needs to be cleared when the next DFU client connects. While there is a DFU_CLRSTATUS request, no DFU client seems to send this. Hence, clear this when selecting the USB alternate setting on the USB interface. Finally, dfu.c relies on a call to dfu_flush() to clear up the internal state of the write transaction. Now that errors in dfu_write() are detected, dfu_flush() may no longer be called for every transaction. Separate out the cleanup code into a new function, and call it whenever dfu_write() fails, as well as from any call to dfu_flush(). Signed-off-by: Stephen Warren <swarren@nvidia.com>
2014-08-09dfu: fix some issues with reads/uploadsStephen Warren1-6/+14
DFU read support appears to rely upon dfu->read_medium() updating the passed-by-reference len parameter to indicate the remaining size available for reading. dfu_read_medium_mmc() never does this, and the implementation of dfu_read_medium_nand() will only work if called just once; it hard-codes the value to the total size of the NAND device irrespective of read offset. I believe that overloading dfu->read_medium() is confusing. As such, this patch introduces a new function dfu->get_medium_size() which can be used to explicitly find out the medium size, and nothing else. dfu_read() is modified to use this function to set the initial value for dfu->r_left, rather than attempting to use the side-effects of dfu->read_medium() for this purpose. Due to this change, dfu_read() must initially set dfu->b_left to 0, since no data has been read. dfu_read_buffer_fill() must also be modified not to adjust dfu->r_left when simply copying data from dfu->i_buf_start to the upload request buffer. r_left represents the amount of data left to be read from HW. That value is not affected by the memcpy(), but only by calls to dfu->read_medium(). After this change, I can read from either a 4MB or 1.5MB chunk of a 4MB eMMC boot partion with CONFIG_SYS_DFU_DATA_BUF_SIZE==1MB. Without this change, attempting to do that would result in DFU read returning no data at all due to r_left never being set. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2014-06-11dfu: Disable default calculation of CRC32Lukasz Majewski1-13/+7
Patch (SHA1: bd694244db7bc969954) dfu: Introduction of the "dfu_hash_algo" env variable for checksum method setting already introduced more generic handling of the crc32 calculation. Up till now the CRC32 of received data was calculated unconditionally. This patch changes this and from now - by default the crc32 is NOT calculated anymore. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Cc: Marek Vasut <marex@denx.de>
2014-06-01dfu: Introduction of the "dfu_hash_algo" env variable for checksum method ↵Lukasz Majewski1-5/+47
setting Up till now the CRC32 of received data was calculated unconditionally. The standard crc32 implementation causes long delay when large images were uploaded. The "dfu_hash_algo" environment variable gives the opportunity to disable on demand the hash (crc32) calculation. It can be done without the need to recompile the u-boot binary. By default the crc32 is calculated, which means that legacy behavior has been preserved. Tests results: 400 MiB ums.img file With crc32 calculation: 65 sec [avg 6.29 MB/s] Without crc32 calculation: 25 sec [avg 16.17 MB/s] Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Cc: Marek Vasut <marex@denx.de>
2014-05-15drivers:dfu: dfu_flush(): add raw data flush to complete dfu writePrzemyslaw Marczak1-0/+4
Before dfu write and flush operations separation, dfu write data was flushed by host download request with len of zero size. Since above change manually calling dfu write with zero size has non sense (e.g. in THOR). This should be done by flush operation. So now dfu_write_buffer_drain() is called in dfu_flush(). If there is any raw data to flush (like it can be in thor) then it will be physically written to medium. Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Lukasz Majewski <l.majewski@samsung.com> Cc: Heiko Schocher <hs@denx.de> Cc: Marek Vasut <marex@denx.de>