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The eMMC and the SD-Card specifications describe the optional SET_DSR command.
During measurements at our lab we found that some cards implementing this feature
having really strong driver strengts per default. This can lead to voltage peaks
above the specification of the host on signal edges for data sent from a card to
the host.
Since availability of a given card type may be shorter than the time a certain
hardware will be produced it is useful to have support for this command (Alternative
would be changing termination resistors and adapting the driver strength of the
host to the used card.)
Following proposal for an implementation:
- new field that reflects CSD field DSR_IMP in struct mmc
- new field for design specific DSR value in struct mmc
- board code can set DSR value in mmc struct just after registering an controller
- mmc_startup sends the the stored DSR value before selecting a card, if DSR_IMP is set
Additionally the mmc command is extended to make is possible to play around with different
DSR values.
The concept was tested on a i.MX53 based platform using a Micron eMMC card where the default
DSR is 0x0400 (12mA) but in our design 0x0100 (0x0100) were enough. To use this feature for
instance on a mx53loco one have to add a call to mmc_set_dsr() in board_mmc_init() after
calling fsl_esdhc_initialize() for the eMMC.
Signed-off-by: Markus Niebel <[email protected]>
Acked-by: Pantelis Antoniou <[email protected]>
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Bounce buffer implementation takes care of proper data buffer alignemt
and correct flush/invalidation of data cache at once so we no longer
depend on input data variety and make sure CPU and MMC controller deal
with expected data in case of enabled data cache.
Bounce buffer requires to add its definition (CONFIG_BOUNCE_BUFFER) in
board configuration, otherwise corresponding library won't be compiled
and linker will fail to build resulting executable.
Difference since v1 - fixed compile-time warning with type casting to
"void *":
Slight edit to remove UTF8 characters in the commit message.
Acked-by: Jaehoon Chung <[email protected]>
Tested-by: Jaehoon Chung <[email protected]>
Acked-by: Pantelis Antoniou <[email protected]>
====
passing argument 2 of 'bounce_buffer_start' discards 'const' qualifier
from pointer target type
====
Signed-off-by: Alexey Brodkin <[email protected]>
Cc: Mischa Jonker <[email protected]>
Cc: Alim Akhtar <[email protected]>
Cc: Rajeshwari Shinde <[email protected]>
Cc: Jaehoon Chung <[email protected]>
Cc: Amar <[email protected]>
Cc: Kyungmin Park <[email protected]>
Cc: Minkyu Kang <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Pantelis Antoniou <[email protected]>
Cc: Andy Fleming <[email protected]>
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SH4 and SH4A are compatible. But some instructions are different from these.
In Linux kernel, It is treated as a separate CPU, but for now, I think that
there is no need to divide especially in the U-Boot.
This removes CONFIG_SH4A definition from source code, SH4A is treated as SH4.
And this fix white space.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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Add a simple TPM emulator for sandbox. It only supports a small subset of
TPM operations. However, these are enough to perform common tasks.
Note this is an initial commit to get this working, but it could use
cleaning up (for example constants instead of open-coded values).
Signed-off-by: Simon Glass <[email protected]>
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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It is useful to be able to save and restore the RAM contents of sandbox
U-Boot either for setting up tests, for later analysys, or for chaining
together multiple tests which need to keep the same memory contents.
Add a function to provide a memory file for U-Boot. This is read on
start-up and written when shutting down. If the file does not exist
on start-up, it will be created when shutting down.
Signed-off-by: Simon Glass <[email protected]>
Signed-off-by: Simon Glass <[email protected]>
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With sandbox, errors and problems may be reported before console_init_f()
is executed. For example, an argument may not parse correctly or U-Boot may
panic(). At present this output is swallowed so there is no indication what
is going wrong.
Adjust the console to deal with a very early sandbox setup, by detecting that
there is no global_data yet, and calling os functions in that case.
Signed-off-by: Simon Glass <[email protected]>
Signed-off-by: Simon Glass <[email protected]>
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Implement realloc() and free() for sandbox, by adding a header to each
block which contains the block size.
Signed-off-by: Simon Glass <[email protected]>
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Che-Liang Chiou <[email protected]>
Reviewed-by: Hung-ying Tyan <[email protected]>
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Provide a way to use any host file or device as a block device in U-Boot.
This can be used to provide filesystem access within U-Boot to an ext2
image file on the host, for example.
The support is plumbed into the filesystem and partition interfaces.
We don't want to print a message in the driver every time we find a missing
device. Pass the information back to the caller where a message can be printed
if desired.
Signed-off-by: Henrik Nordström <[email protected]>
Signed-off-by: Simon Glass <[email protected]>
- Removed change to part.c get_device_and_partition()
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Add an implementation of the CRC8 algorithm. This is required by the TPM
emulation, but is probably useful to U-Boot in general.
Signed-off-by: Simon Glass <[email protected]>
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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All prerequisites are already available, so why not enable 8-bit
access - it is a matter of a define in the board file only.
Signed-off-by: Lubomir Popov <[email protected]>
Acked-by: Pantelis Antoniou <[email protected]>
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The spl_mmc_load() was removed while converting to
CONFIG_SPL_FRAMEWORK usage the definition was removed
but the declaration was missed. This patch removes this
declaration.
Signed-off-by: Lad, Prabhakar <[email protected]>
Acked-by: Pantelis Antoniou <[email protected]>
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CONFIG_SYS_HZ of SH2 is not used as frequency of base timer. This is the
correct clock of CMT.
This changes from CONFIG_SYS_HZ to CONFIG_SH_CMT_CLK_FREQ, in order to use
CONFIG_SYS_HZ as clock of CMT.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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CONFIG_SH4 was already defined in arch/sh/sh4/config.mk.
This removes CONFIG_SH4 from board config files of SH4.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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CONFIG_SH3 was already defined in arch/sh/sh3/config.mk.
This removes CONFIG_SH3 from board config files of SH3.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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CONFIG_SH2 was already defined in arch/sh/sh2/config.mk.
This removes CONFIG_SH2 from board config files of SH2.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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CONFIG_SH is defined in arch/sh/config.mk.
It is not necessary to define it in each board
header config header file.
Signed-off-by: Masahiro Yamada <[email protected]>
Cc: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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Define QIXIS_RST_FORCE_MEM to reset on-board DDR-DIMM before start
accessing it.
Signed-off-by: Prabhakar Kushwaha <[email protected]>
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This fixes a build break due to excessively large NAND data structures.
Signed-off-by: Scott Wood <[email protected]>
Cc: Matthias Fuchs <[email protected]>
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Define CONFIG_SYS_NAND_MAX_ECCPOS and CONFIG_SYS_NAND_MAX_OOBFREE to
reduce the image size, by taking advantage of the new nand_ecclayout
structure.
Signed-off-by: York Sun <[email protected]>
CC: Prabhakar Kushwaha <[email protected]>
CC: Scott Wood <[email protected]>
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Define CONFIG_SYS_NAND_MAX_ECCPOS and CONFIG_SYS_NAND_MAX_OOBFREE to
reduce the image size, by taking advantage of the new nand_ecclayout
structure.
Signed-off-by: York Sun <[email protected]>
CC: Prabhakar Kushwaha <[email protected]>
CC: Scott Wood <[email protected]>
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Current IFC-FPGA TCH(Chip Select hold time with respect to WE deassertion)
is 0 i.e. 0 ns hold time on writes. This may not work on higher clock
freqencies.
So, Increase TCH as 0x8 i.e. 8 ip_clk.
Signed-off-by: Prabhakar Kushwaha <[email protected]>
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CONFIG_SPL_NAND_MINIMAL should not be used as it was defined for temporary
review purpose.
So, use CONFIG_SPL_NAND_BOOT config.
Signed-off-by: Prabhakar Kushwaha <[email protected]>
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With changes to the rtl8169 ethernet to improve cache support, we have
needed additional cache functions for mpc8245. As the board maintainer
has been unresponsive, remove this board.
Cc: Guennadi Liakhovetski <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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Add config to support bank address register.
Signed-off-by: Sourav Poddar <[email protected]>
Tested-by: Yebio Mesfin <[email protected]>
Reviewed-by: Jagannadha Sutradharudu Teki <[email protected]>
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Provide default Poll Timeout value for Trats board.
Signed-off-by: Lukasz Majewski <[email protected]>
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It is necessary to deter the host from sending subsequent DFU_GETSTATUS
request in the case of e.g. writing the buffer to medium.
Here the timeout is increased when we fill up the whole buffer. This delay
allows eMMC memory to perform its internal operations.
Otherwise we end up with HOST's error regarding GET_STATUS receive timeout.
Signed-off-by: Lukasz Majewski <[email protected]>
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The method for exporting size of allocated buffer is provided.
It is afterwards used by USB's dfu function code.
Signed-off-by: Lukasz Majewski <[email protected]>
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The SH7753 EVB board has SH7753, 512MB DDR3-SDRAM, SPI ROM,
Gigabit Ethernet, and eMMC.
This patch support the following functions:
- 512MB DDR3-SDRAM, SCIF4, SPI ROM, Gigabit Ethernet, eMMC
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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interface.
The next version VxWorks adopts device tree (for PowerPC and ARM) as its hardware
description mechanism. For PowerPC, the boot interface conforms to
the ePAPR standard, which is:
void (*kernel_entry)(ulong fdt_addr,
ulong r4 /* 0 */,
ulong r5 /* 0 */,
ulong r6 /* EPAPR_MAGIC */, ulong r7 /* IMA size */,
ulong r8 /* 0 */, ulong r9 /* 0 */)
For ARM, the boot interface is:
void (*kernel_entry)(void *fdt_addr)
Signed-off-by: Miao Yan <[email protected]>
[trini: Fix build error when !CONFIG_OF_FDT is set, typo on PowerPC,
missing extern ft_fixup_num_cores]
Signed-off-by: Tom Rini <[email protected]>
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Signed-off-by: Sonic Zhang <[email protected]>
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Signed-off-by: Sonic Zhang <[email protected]>
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Signed-off-by: Sonic Zhang <[email protected]>
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Signed-off-by: Sonic Zhang <[email protected]>
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Signed-off-by: Miao Yan <[email protected]>
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The last users of CONFIG_KGDB_SER_INDEX were removed more than 3 years
ago in commits 550650ddd0 and bf16500f79, either kgdb subsystem should
care about this parameter or it should be gone completely.
Signed-off-by: Vladimir Zapolskiy <[email protected]>
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Conflicts:
board/samsung/trats2/trats2.c
include/configs/exynos5250-dt.h
Signed-off-by: Tom Rini <[email protected]>
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Conflicts:
arch/arm/cpu/armv7/rmobile/Makefile
doc/README.scrapyard
Needed manual fix:
arch/arm/cpu/armv7/omap-common/Makefile
board/compulab/cm_t335/u-boot.lds
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Signed-off-by: Ian Campbell <[email protected]>
Cc: [email protected]
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We want to test SPI flash code in the sandbox, so enable the new drivers and
the 'sf test' command.
This command is used to validate the sandbox SPI / SPI flash implementation,
so enable it.
Signed-off-by: Mike Frysinger <[email protected]>
Signed-off-by: Simon Glass <[email protected]>
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This allows us to put the SPI flash chip inside the SPI interface node,
with U-Boot finding the correct bus and chip select automatically.
Signed-off-by: Simon Glass <[email protected]>
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Add support for USB-A9263 board manufactured by Calao Systems
(http://www.calao-systems.com/).
Code is based on old U-Boot sources (2010.09) released by Calao.
Signed-off-by: Mateusz Kulikowski <[email protected]>
Signed-off-by: Andreas Bießmann <[email protected]>
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enable support for the siemens AT91SAM9G20 based board corvus.
Signed-off-by: Boris Schmidt <[email protected]>
Reviewed-by: Heiko Schocher <[email protected]>
Cc: Andreas Bießmann <[email protected]>
Cc: Bo Shen <[email protected]>
Signed-off-by: Andreas Bießmann <[email protected]>
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