| Commit message (Collapse) | Author | Age | Lines |
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Various errata exist in the Cortex-A9 CPU, and may be worked around by
setting some bits in a CP15 diagnostic register. Add code to implement
the workarounds, enabled by new CONFIG_ options.
This code was taken from the Linux kernel, v3.8, arch/arm/mm/proc-v7.S,
and modified to remove the logic to conditionally apply the WAR (since we
know exactly which CPU we're running on given the U-Boot configuration),
and use r0 instead of r10 for consistency with the rest of U-Boot's
cpu_init_cp15().
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
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In master we had already taken a patch to fix the davinci GPIO code for
CONFIG_SOC_DM646X and in u-boot-ti we have additional patches to support
DA830 (which is CONFIG_SOC_DA8XX && !CONFIG_SOC_DA850). Resolve these
conflicts manually and comment the #else/#endif lines for clarity.
Conflicts:
arch/arm/include/asm/arch-davinci/gpio.h
drivers/gpio/da8xx_gpio.c
Signed-off-by: Tom Rini <trini@ti.com>
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On some architectures certain values of splashimage will lead to
a data abort exception.
Document the problem, and implement a callback for splashimage to
reject such values.
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
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Currently there is no logical place to put the code that prepares the
splash image data. The splash image data should be ready in memory
before bmp_display() is called, and after the environment is ready
(since lcd.c looks for the splash image in an address specified by
the environment variable "splashimage").
Our window of opportunity in board_init_r() is therefore: between
env_relocate() and bmp_display(), and from the available options
only the lcd related functions in drv_lcd_init() seem appropriate
for such lcd oriented code.
Add the option to prepare the splash image data in lcd_logo() right
before it is sent to be displayed.
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Jeroen Hofstee <jeroen@myspectrum.nl>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
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Link symbols as created by the link script can either be absolute or
relative to the text start. This option switches between the two options
so that we can support both.
As we convert architectures over to generic board, we can see if this
option is actually needed, or whether it is possible to unify this feature
also.
Signed-off-by: Simon Glass <sjg@chromium.org>
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We are introducing a new unified board setup. Add a check to make sure that
board config files do not define CONFIG_SYS_GENERIC_BOARD unless their
architecture defines __HAVE_ARCH_GENERIC_BOARD
__HAVE_ARCH_GENERIC_BOARD will currently not be the default setting, but
we can switch this later when most architecture support generic board.
Signed-off-by: Simon Glass <sjg@chromium.org>
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The "mtest" command is of little practical use (if any), and
experience has shown that a large number of board configurations
define useless or even dangerous start and end addresses. If not even
the board maintainers are able to figure out which memory range can be
reliably tested, how can we expect such from the end users? As this
problem comes up repeatedly, we rather do not enable this command by
default, so only people who know what they are doing will be
confronted with it.
As this changes the user interface, we allow for a grace period
before this change takes effect. For now, we make "mtest"
configurable through the CONFIG_CMD_MEMTEST variable, which is defined
in include/config_cmd_default.h; we also add an entry to
doc/feature-removal-schedule.txt which announces the removal of this
default setting in two releases from now, i. e. with v2013.07.
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Tom Rini <trini@ti.com>
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The new 'sb' command is intended to deal with sandbox-specific features
that have no parallel in other archs. This commit adds two sub-commands
to list a directory and read a file from the host filesystem.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>
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Sandbox doesn't actually provide U-Boot access to the machine's physical
memory. Instead it provides a RAM buffer of configurable size, and all
memory accesses are within that buffer. Sandbox memory starts at 0 and
is CONFIG_DRAM_SIZE bytes in size. Allowing access outside this buffer
might produce unpredictable results in the event of an error, and would
expose the host machine's memory architecture to the sandbox U-Boot.
Most U-Boot functions assume that they can just access memory at given
address. For sandbox this is not true.
Add a map_sysmem() call which converts a U-Boot address to a system
address. In most cases this is a NOP, but for sandbox it returns a
pointer to that memory inside the RAM buffer.
To get a U-Boot feature to work correctly within sandbox, you should call
map_sysmem() to get a pointer to the address, and then use that address for
any U-Boot memory accesses.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This patch adds support to list images in NAND flash through imls
Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
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This code is pretty old and we want to support only 32-bit systems now.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Graeme Russ <graeme.russ@gmail.com>
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Invert the polarity of this option to simplify the Makefile logic.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Gabe Black <gabeblack@chromium.org>
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This adds arch support for PPC mpc83xx to boot "minimal" (4K) SPLs
using the new infrastructure.
Existing nand_spl targets are updated to deal with the name change
from nand_init.c to spl_minimal.c (as in theory this isn't limited
to NAND anymore).
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
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This was already used by some SPL targets, and allows the pad amount to
be specified by board config headers rather than only in makefile
fragments.
Also supply a pad-to of zero if the variable is undefined. It works
without this, but this avoids relying on undocumented behavior.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
cc: Anatolij Gustschin <agust@denx.de>
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Some platforms (e.g. IGEPv2 board) has a broken ns16550 UART that
does not set the TEMT bit when the transmitter is empty in SPL.
This makes U-Boot to hang while waiting for TEMT to be set.
Add a new option to avoid this:
CONFIG_SYS_NS16550_BROKEN_TEMT
16550 UART set the Transmitter Empty (TEMT) Bit when all output
has finished and the transmitter is totally empty. U-Boot waits
for this bit to be set to initialize the serial console. On some
broken platforms this bit is not set in SPL making U-Boot to
hang while waiting for TEMT. Define this option to avoid it.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
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Some boards want to report more than just memory size. For example, it
might be useful to display the memory type (DDR2, DDR3) or manufacturer.
Add a weak function to support this requirement, accessed through a new
'meminfo' command.
Any example of the DRAM: output is below, just for illustration:
SMDK5250 # meminfo
DRAM: 2 GiB Elpida DDR3 @ 800MHz
Signed-off-by: Simon Glass <sjg@chromium.org>
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This option displays board info after stdio is running, so that it will
appear on the LCD. If it is displayed earlier, the board info will appear
on the serial console but not on the LCD.
Here follows a blow-by-blow description.
1a. Without CONFIG_DISPLAY_BOARDINFO_LATE, on serial:
U-Boot 2011.12-02550-g037e1c5-dirty (Nov 15 2012 - 14:29:42) for SMDK5250
CPU: S5PC520 @ 1700MHz
Board: Google Snow, rev 0
I2C: ready
DRAM: 2 GiB Elpida DDR3 @ 800MHz
MMC: S5P MSHC0: 0, S5P MSHC1: 1
SF: Detected W25Q32 with page size 4 KiB, total 4 MiB
*** Warning - bad CRC, using default environment
In: mkbp-keyb
Out: lcd
Err: lcd
Net: No ethernet found.
Hit any key to stop autoboot: 0
SMDK5250 #
1b. Without CONFIG_DISPLAY_BOARDINFO_LATE, on LCD (note machine info
is missing):
In: mkbp-keyb
Out: lcd
Err: lcd
Net: No ethernet found.
Hit any key to stop autoboot: 0
SMDK5250 #
2a. With CONFIG_DISPLAY_BOARDINFO_LATE, on serial:
U-Boot 2011.12-02550-g037e1c5 (Nov 15 2012 - 14:27:40) for SMDK5250
CPU: S5PC520 @ 1700MHz
I2C: ready
DRAM: 2 GiB Elpida DDR3 @ 800MHz
MMC: S5P MSHC0: 0, S5P MSHC1: 1
SF: Detected W25Q32 with page size 4 KiB, total 4 MiB
*** Warning - bad CRC, using default environment
Model: Google Snow
In: mkbp-keyb
Out: lcd
Err: lcd
Net: No ethernet found.
Hit any key to stop autoboot: 0
SMDK5250 #
2b. With CONFIG_DISPLAY_BOARDINFO_LATE, on LCD (note machine info is present):
Model: Google Snow
In: mkbp-keyb
Out: lcd
Err: lcd
Net: No ethernet found.
Hit any key to stop autoboot: 0
SMDK5250 #
Since the LCD is all that a typical user sees, it is useful to display
the model there.
We may be able to rearrange things some other way one day, but at
present this seems like a convenient way of getting the required
behaviour.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add a short note about this in the README.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This option delays loading of the environment until later, so that only the
default environment will be available to U-Boot.
This can address the security risk of untrusted data being used during boot.
Any time you load untrusted data you expose yourself to a bug in the
code. The attacker gets to choose the data so can sometimes carefully
craft it to exploit a bug. We try to avoid touching user-controlled
data during a verified boot unless strictly necessary. Since the
default environment is good enough in this case (or you would just
change it), this gets around the problem by just not loading the
environment.
When CONFIG_DELAY_ENVIRONMENT is defined, it is convenient to have a
run-time way of enabling loading of the environment. Add this to the
fdt as /config/delay-environment.
Note: This patch depends on http://patchwork.ozlabs.org/patch/194342/
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Doug Anderson <dianders@chromium.org>
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Conflicts:
README
arch/arm/cpu/armv7/exynos/clock.c
board/samsung/universal_c210/universal.c
drivers/misc/Makefile
drivers/power/power_fsl.c
include/configs/mx35pdk.h
include/configs/mx53loco.h
include/configs/seaboard.h
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When the cursor position gets to the end of the LCD console we normally
scroll by one line. This adds an option to increase that value.
Console scrolling is often slow, and if a large amount of output is
being sent, increasing this option to 10 or so will speed things up
considerably.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
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The normal alignment is PAGE_SIZE, but if this is defined, we can support
other alignments.
The motivation for this change is to make the display section-aligned on
ARM so that we can easily turn off data caching for the frame buffer region
without resorting to level 2 page tables.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
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It is useful to have a basic SPI flash test, which tests that the SPI chip,
the SPI bus and the driver are behaving.
This test erases part of the flash, writes data and reads it back as a
sanity check that all is well.
Use CONFIG_SF_TEST to enable it.
Signed-off-by: Simon Glass <sjg@chromium.org>
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CONFIG_SYS_TFTP_LOADADDR is defined on severals boards,
but it's never used. So we can safely removed it.
Signed-off-by: Philippe Reynes <tremyfr@yahoo.fr>
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Add support for read-only, write-once, and change-default.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
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Similar to the env callback command, this will show details about the
options available, the static list, and the currently active variables.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
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Currently just validates variable types as decimal, hexidecimal,
boolean, ip address, and mac address.
If the entry is not found in the env ".flags", then look in the static
one. This allows the env to override the static definitions, but prevents
the need to have every definition in the environment distracting you.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
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The callbacks can be bound, but are otherwise invisible. Add a command
to show what callbacks are available.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
!!! fix callback command
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Add support for per-variable callbacks to the "hashtable" functions.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
!!!fix comment in callback
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Add a single command to read the EDID information over I2C.
For example:
SMDK5250 # i2c dev 7
Setting bus to 7
SMDK5250 # i2c edid 50
EDID version: 1.4
Product ID code: 305c
Manufacturer: AUO
Serial number: 00000000
Manufactured in week: 0 year: 2011
Video input definition: digital signal, voltage level 0, blank to black
Monitor is non-RGB
Maximum visible display size: 26 cm x 14 cm
Power management features: no active off, no suspend, no standby
Estabilished timings:
Standard timings:
1366x768 60 Hz (detailed)
1366x768 60 Hz (detailed)
Monitor ID: 2VD2K.B116XW
Signed-off-by: Tom Wai-Hong Tam <waihong@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
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This new command supports hashing SHA1 and SHA256. It could be extended
to others such as MD5 and the CRC algorithms. The syntax is modeled on
those:
hash <algorithm> <address> <length> [*<dest_addr> | <dest_envvar>]
to calculate a hash, and:
hash -v <algorithm> <address> <length> [*<verify_addr> | <verify_envvar>]
to verify a hash.
Use CONFIG_CMD_HASH to enable the command, CONFIG_SHA1 to enable SHA1 and
CONFIG_SHA256 to enable SHA256.
The existing sha1sum command remains.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Sometimes data is on a block device and within a partition, but not in a
particular filesystem.
This commands permits reading raw data from a partition.
Signed-off-by: Kenneth Waters <kwaters@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
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Gettime returns the current timer value. If CONFIG_SYS_HZ is defined
then the timer value is also converted to seconds.
Tegra20 (SeaBoard) # gettime
Timer val: 7754
Seconds : 7
Remainder : 754
sys_hz = 1000
There has been some discussion about whether this is useful enough to
be included in U-Boot. The following boards do not have CONFIG_SYS_HZ
defined:
M52277EVB
M52277EVB_stmicro
M53017EVB
M54418TWR
M54418TWR_nand_mii
M54418TWR_nand_rmii
M54418TWR_nand_rmii_lowfreq
M54418TWR_serial_mii
M54418TWR_serial_rmii
Signed-off-by: Anton Staaf <robotboy@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
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When running from coreboot we don't want this code, so make it
optional.
Signed-off-by: Simon Glass <sjg@chromium.org>
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The default implementation of this function is just memset, but other
implementations will be needed when physical memory isn't accessible by
U-Boot using normal addressing mechanisms.
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
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Since the top-level README file refers the reader to the CHANGELOG,
it's worth mentioning how to generate it.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
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We don't want this for coreboot, so provide a way of compiling it out.
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
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When running from coreboot we don't want this code.
This version works by ifdef-ing out all of the code that would go
into those sections and all the code that refers to it. The sections are
then empty, and the linker will either leave them empty for the loader
to ignore or remove them entirely.
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
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Reference nand monitor commands in U-Boot README
Signed-off-by: Karl O. Pinc <kop@meme.com>
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Document parameters used for specifying the NAND image to be loaded.
Also fix the definition of CONFIG_SPL_NAND_SIMPLE -- it's only
nand_spl_simple.c, not the entire nand directory. The word "simple" is
there for a reason. :-)
Signed-off-by: Scott Wood <scottwood@freescale.com>
---
v2: updated for makefile changes earlier in patchset
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Some small SPLs do not use nand_base.c, and a subset of those also
require a special driver. Some SPLs need software ECC but others can't
fit it.
All existing boards that specify CONFIG_SPL_NAND_SUPPORT have these
symbols added to preserve existing behavior.
Signed-off-by: Scott Wood <scottwood@freescale.com>
--
v2: use positive logic for including bits of NAND, rather than
a MINIMAL symbol that excludes things.
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Introduces CONFIG_SPL_RELOC_TEXT_BASE and CONFIG_SPL_RELOC_STACK.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Cc: Andy Fleming <afleming@freescale.com>
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cpu_init_nand.c is renamed to spl_minimal.c as it is not really NAND-specific.
Signed-off-by: Scott Wood <scottwood@freescale.com>
---
v2: factor out START, and change cpu_init_nand.c to spl_minimal.c
Cc: Andy Fleming <afleming@freescale.com>
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