| Commit message (Collapse) | Author | Age | Lines |
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On OMAP36/37XX the standard on chip pullups are not sufficient to
ensure proper i2c operation without external pullups or switching
to high speed mode and enabling special on chip pullups.
This is an issue for Beagle xM, which does not have external pullups
on the expansion board i2c lines.
The issue manifests itself as an AL (arbitration lost) error when
probing for a non-existent device (i.e. on a Beagle xM with no expansion
boards attached). This issue does not occur on expansion boards that
include pullups or on Overo 37XX COM's since they include pull-ups.
This patch fixes the issue by checking for the AL bit in the i2c_probe
function.
Signed-off-by: Steve Sakoman <steve.sakoman@linaro.org>
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Add a new 'pci enum' command which re-enumerates the PCI buses. This
command is enabled via the CONFIG_CMD_PCI_ENUM define and can be useful
in boards with FPGAs connected via PCI/PCIe, boards that support PCI
hot-plugging, or during PCI debug.
Also enable the 'pci enum' command for X-ES's Freescale-based boards.
Signed-off-by: John Schmoller <jschmoller@xes-inc.com>
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Wolfgang Denk <wd@denx.de>
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Add framebuffer driver for the MX51 processor
working on the IPUv3 internal graphic processor.
The port is based on the driver found in the kernel
delivered by Freescale as part of i.MX BSP:
[kernel 2.6.31 commit cc4fe714041805997b601fe8e5dd585d8a99297f]
[agust@denx.de: some style fixes and dead code removal]
Signed-off-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
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The patch is a porting of the IPU Linux driver
developed by Freescale to have framebuffer
functionalities in u-boot. The port is based on
kernel 2.6.31 commit cc4fe714041805997b601fe8e5dd585d8a99297f,
as delivered by Freescale [i.MX BSP].
Most features are dropped from the original driver and
only LCD support is the goal of this porting.
Signed-off-by: Stefano Babic <sbabic@denx.de>
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This patch solves a problem with USB hanging under higher load on a
i.MX31 board. It falls into class of typical USB problems and fixes:
if you don't understand the real cause, add a delay somewhere.
The problem appeared after introduction of ELF relocation, which
results in smaller code, which appears to run faster (probably because
it fits better in the cache); turning off the instruction cache,
adding debug printf()s and increasing the delay have all been found to
make the problem go away.
Moving the original "udelay(1)" up in the code to it's new place made
the problem appear much less frequently. Increasing the delay to 2
microseconds then made the code run reliably in all (hour-long) tests.
To be on the safe side, we set it to 5 microseconds here.
Signed-off-by: Heiko schocher <hs@denx.de>
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Remy Bohmer <linux@bohmer.net>
Cc: Stefano Babic <sbabic@denx.de>
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These ep and root hub structures need not be writable.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Commit 3ed1607 "USB: sync Queue Element Transfer Descriptor against
EHCI spec" added an "__attribute__ ((aligned (32)))" to the
declaration of struct qTD, as used for example in the Linux kernel as
well.
However, it turns out that this attribute causes errors in "usb start"
(like "ERROR: NOT USB_CONFIG_DESC 7b" and similar). Drop the attribute
again.
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Dan Lykowski <lykowdk@gmail.com>
Cc: Remy Bohmer <linux@bohmer.net>
Cc: Stefano Babic <sbabic@denx.de>
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It is useful to know the EHCI-PCI hccr, hcor and hc_lenght to make sure it was
successfully registered, and at the correct location.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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On some boards we have flash mapped high in the address space with
considerably small window (say 0xFE000000 and 32MB). When we install
bigger chip (say 64MB) on such a board strange things happen
(flash_write() doesn't work at all, for ex). That's because cfi_flash
driver doesn't care about window size at all.
Of course, cleanest solution would probably be to just extend address
window to be able to map the whole flash but for legacy/compatibility
reasons some people prefer just truncate the flash size and never use
the upper part.
This patch adds an option for cfi_flash driver to handle this situation
properly. To achieve this we add the new function cfi_flash_bank_size()
which can be provided by the board code and weak-aliased to default
implementation that returns value from the CONFIG_SYS_FLASH_BANKS_SIZES
array if it's defined or 0 otherwise (the last case is added for
compatibility).
If non-zero flash bank size is provided and detected chip size is bigger
than provided address window size the warning will be displayed and
flash chip will be truncated.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Changed cfi_flash_bank_size() return type to unsigned long
to match caller function.
Signed-off-by: Wolfgang Denk <wd@denx.de>
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Add missing codes according to original datasheet.
This patch also makes ftrtc010 could be adapted to PCLK and EXT_CLK.
Signed-off-by: Macpaul Lin <macpaul@andestech.com>
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This patch removes the "magic number" delays and instead
monitors state changes in the status register bits.
Signed-off-by: Steve Sakoman <steve.sakoman@linaro.org>
Tested-by: Heiko Schocher <hs@denx.de>
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This patch removes the "magic number" delays and instead
monitors state changes in the status register bits.
Signed-off-by: Steve Sakoman <steve.sakoman@linaro.org>
Tested-by: Heiko Schocher <hs@denx.de>
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This patch removes the "magic number" delays and instead
monitors state changes in the status register bits.
Signed-off-by: Steve Sakoman <steve.sakomanlinaro.org>
Tested-by: Heiko Schocher <hs@denx.de>
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This patch matches the poll interval (1 millisecond) and timeout (1 second)
used in the linux driver. It also adds a return value of 0 in the event of
a timeout error and cleans up some formatting errors in that section of the
code.
Signed-off-by: Steve Sakoman <steve.sakoman@linaro.org>
Tested-by: Heiko Schocher <hs@denx.de>
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uli526x.c: In function 'uli526x_init_one':
uli526x.c:314:2: warning: dereferencing type-punned pointer will break strict-aliasing rules
uli526x.c:314:2: warning: dereferencing type-punned pointer will break strict-aliasing rules
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Have a common enum for phy types that we use in the UCC driver. We will
also use this enum for dealing with phy connection fixup in the device
tree.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Appendix B "EHCI 64-Bit Data Structures" of the "Enhanced Host
Controller Interface Specification for Universal Serial Bus" (Rev.
1.0, March 12, 2002) defines additional fields which were missing in
U-Boot's struct qTD; as these are also present in recent versions of
struct ehci_qtd in the Linux kernel, we add them here, too.
This fixes some nasty memory corruption problems.
Reported-by: Dan Lykowski <lykowdk@gmail.com>
See http://permalink.gmane.org/gmane.comp.boot-loaders.u-boot/76942
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Remy Bohmer <linux@bohmer.net>
Cc: Dan Lykowski <lykowdk@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
Tested-by: Stefano Babic <sbabic@denx.de>
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Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
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Conflicts:
board/logicpd/imx31_litekit/config.mk
boards.cfg
Signed-off-by: Wolfgang Denk <wd@denx.de>
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Sometimes a usb tree is not popolated after a system reset.
It seems a delay is required after setting the USB ports
for the MX.31 before resetting the ehci controller.
Signed-off-by: Stefano Babic <sbabic@denx.de>
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Call fec_set_hwaddr in init routine to setup MAC address so when ethaddr is set
late via setenv the change will propagate to the hw.
Signed-off-by: John Rigby <john.rigby@linaro.org>
CC: Ben Warren <biggerbadderben@gmail.com>
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Signed-off-by: Francesco Rendine <francesco.rendine@valueteam.com>
Signed-off-by: Damien Dusha <d.dusha@gmail.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Coding style cleanup; slight file restructuring.
Signed-off-by: Wolfgang Denk <wd@denx.de>
Acked-by: Remy Bohmer <linux@bohmer.net>
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Commit 3b8ac464 "FPGA: add support for downloading Lattice bitstream"
added support for Lattice devices, but failed to add #ifdef's that are
needed when building for non-Lattice devices, which results in build
failures like these:
Configuring for GEN860T board...
drivers/fpga/libfpga.a(fpga.o): In function `fpga_dev_info':
/home/wd/git/u-boot/work/drivers/fpga/fpga.c:145: undefined reference to `lattice_info'
drivers/fpga/libfpga.a(fpga.o): In function `fpga_dump':
/home/wd/git/u-boot/work/drivers/fpga/fpga.c:269: undefined reference to `lattice_dump'
drivers/fpga/libfpga.a(fpga.o): In function `fpga_load':
/home/wd/git/u-boot/work/drivers/fpga/fpga.c:233: undefined reference to `lattice_load'
make: *** [u-boot] Error 1
Add the missing code.
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
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The ECC calculations were started by writing 1 << 13 to the nand FCR register;
that value is also defined as DAVINCI_NANDFCR_4BIT_CALC_START in emif_defs.h.
This patch substitutes the macro DAVINCI_NANDFCR_4BIT_CALC_START for the
magic number '1 << 13'.
Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
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OMAP boards currently use a legacy mmc driver. This patch adds a new
mmc driver which will work with the generic mmc driver in u-boot.
This new driver will work with both OMAP3 and OMAP4 boards.
This patch does not remove the old driver. It should remain in the
tree until all boards that use it switch to the new driver.
Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com>
Tested-by: Steve Sakoman <steve@sakoman.com>
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The current mmc driver returns erroneous capacity information for
eMMC. The capacity of eMMC devices is available only in the ext-CSD
register. This patch add code to read the ext-CDSD register and
correctly calculate eMMC capacity.
Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com>
Acked-by: Steve Sakoman <steve@sakoman.com>
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The patch adds the EHCI controller for the i.MX31 Soc.
Signed-off-by: Stefano Babic <sbabic@denx.de>
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The patch adds a utility function and defines
to set the pad as it is done in linux.
Signed-off-by: Stefano Babic <sbabic@denx.de>
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The patch adds support to load a Lattice's bitstream
image (called VME file) into a Lattice FPGA. The code
containing the state machine delivered as part of
Lattice's ispVMtools is integrated.
The FPGA is programmed using the JTAG interface. The
board maintainer must provide accessors to drive the
JTAG signals TCK, TMS, TDI and to get the value of the
input signal TDO.
Signed-off-by: Stefano Babic <sbabic@denx.de>
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Call watchdog_reset() upon newline. This is done here in putc
since the environment code uses a single puts() to print the complete
envrironment upon "printenv". So we can't put this watchdog call
in puts().
This is needed for boards with a very short watchdog timeout, like the
lwmon5 with a 100ms timeout. Without this patch this board resets in the
commands with long outputs, like "printenv" or "fdt print".
Note that the image size is not increased with this patch when
CONFIG_HW_WATCHDOG or CONFIG_WATCHDOG are not defined since the compiler
optimizes this additional code away.
Signed-off-by: Stefan Roese <sr@denx.de>
Fix typo in comment.
Signed-off-by: Wolfgang Denk <wd@denx.de>
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The pl01x serial driver was lacking the code to switch baudrates from the
command line. Fixed by simply saving the new baudrate and calling
serial_init() again. Also fixed CamelCase variables, I/O accessors and
comment style.
Signed-off-by: Matt Waddel <matt.waddel@linaro.org>
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mvsata_ide_initialize_port(): adjust init sequence (SStatus
should be checked only after all writes to SControl) and
return success/failure to ide_preinit().
Also, as some tests showed init durations in the hundreds
of us, raise the time-out to 01 ms to be on the safe side.
Signed-off-by: Albert Aribaud <albert.aribaud@free.fr>
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This patch introduces C structure definition for register footprint of atmel's
usart.
Signed-off-by: Andreas Bießmann <biessmann@corscience.de>
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This patch replaces the unnecessary waiting in at91emac_read() and
at91emac_write() by checking the IDLE flag.
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
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This patch also removes conditional nameing of at91_emac driver whether it's
connection to PHY is RMII or MII.
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
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The actual SPI driver for i.MX31 and i.MX51 controller
use a wrong byte ordering, because it is supposed
to work only with Freescale's devices, as the Power
Controllers (PMIC). The driver is not suitable for
general purposes, because the buffers passed to spi_xfer
must be 32-bit aligned, as it is used mainly to send
integer to PMIC devices.
The patch drops any kind of limitation and makes the
driver useful with devices controlled sending commands
composed by single bytes (or by a odd number of bytes), such as
spi flash, sensor, etc.
Because the byte ordering is changed,
any current driver using this controller must be adapted, too.
Signed-off-by: Stefano Babic <sbabic@denx.de>
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The handling of the SPI_CPOL bit inside the SPI
driver was wrong. As reported by the manual,
the meaning of the SSPOL inside the
configuration register is the same as reported
by SPI specification (0 if low in idle, 1 is high
on idle). The driver inverts this logic.
Because this patch sets the logic as specified, it is required
to clear the CPOL bit in the configuration file to adapt
to the correct logic.
Signed-off-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: David Jander <david.jander@protonic.nl>
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Calls WATCHDOG_RESET() inside serial driver
for boards enabling watchdog.
Signed-off-by: Stefano Babic <sbabic@denx.de>
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The patch adds support for setting gpios to the
MX51 processor and change name to the corresponding
functions for MX31. In this way, it is possible to get rid
of nasty #ifdef switches related to the processor type.
Signed-off-by: Stefano Babic <sbabic@denx.de>
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