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Most of time that MMC driver spends on initializing a device is polling
OCR (operation conditions register). To decouple this polling loop,
device init is split into two parts: The first part fires the OCR query
command, and the second part polls the result. So the caller is now no
longer bound to the OCR-polling delay; he may fire the query, go
somewhere and then come back later for the result.
To use this, call mmc_set_preinit() on any device which needs this.
This can save significant amounts of time on boot (e.g. 200ms) by
hiding the MMC init time behind other init.
Signed-off-by: Che-Liang Chiou <[email protected]>
Signed-off-by: Simon Glass <[email protected]>
Acked-by: Jaehoon Chung <[email protected]>
Signed-off-by: Andy Fleming <[email protected]>
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Enable LCD output support on M28EVK.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Anatolij Gustschin <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Otavio Salvador <[email protected]>
Cc: Stefano Babic <[email protected]>
Acked-by: Anatolij Gustschin <[email protected]>
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All these macros are completely unused by any code.
CONFIG_FPGA is not a bitfield anymore.
Signed-off-by: Michal Simek <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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Ensure that wrong bitstream won't be loaded
to current device.
Signed-off-by: Michal Simek <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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Devcfg device requires to load bitstream in binary format.
But u-boot also has an option for loading bitstream in bit
format. Let's handle both cases by zynqpl driver.
Also add suport for loading partial bitstreams.
The first driver version was done by:
Joe Hershberger <[email protected]>
Signed-off-by: Michal Simek <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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All fpga functions use devnum as int. Only fpga_loadbitstream
is using it as unsinged long dev.
This patch synchronize it.
Signed-off-by: Michal Simek <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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In bitstream decoding you can directly check device
which you want to load and in fpga.c are fpga_validate
and fpga_dev_info functions which should be used for it.
Signed-off-by: Michal Simek <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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We can use a common global method for calculating minimum of
3 numbers. Put the same in 'common header' and let 'ehci'
use it.
Signed-off-by: Vivek Gautam <[email protected]>
Acked-by: Tom Rini <[email protected]>
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Fix the Port status bit constants and Port feature number
constants as a part of USB 2.0 and USB 3.0 Hub class.
Signed-off-by: Vivek Gautam <[email protected]>
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This adds usb framework support for super-speed usb, which will
further facilitate to add stack support for xHCI.
Signed-off-by: Vikas C Sajjan <[email protected]>
Signed-off-by: Vivek Gautam <[email protected]>
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Some cleanup in usb framework, nothing much on feature side.
Signed-off-by: Vikas C Sajjan <[email protected]>
Signed-off-by: Vivek Gautam <[email protected]>
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This patch adds a new 'usb test' command, that will set a port to a USB
2.0 test mode (see USB 2.0 spec 7.1.20). It supports all five test modes
on both downstream hub ports and ordinary device's upstream ports. In
addition, it supports EHCI root hub ports.
Signed-off-by: Julius Werner <[email protected]>
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This patch adds a driver for the diskonchip G4 nand flash device. It is based
on the driver from the linux kernel.
This also includes a separate SPL driver. A separate SPL driver is used because
the device operates in a different mode (reliable mode) when loading a boot
image, and also because the storage format of the boot image is different from
normal data (pages are stored redundantly). The SPL driver basically mimics how
a typical IPL reads data from the device. The special operating mode and
storage format are used to compensate for the fact that the IPL does not contain
the BCH ecc decoding algorithm (due to size constraints). Although the u-boot
SPL *could* use ecc, it operates like an IPL for the sake of simplicity and
uniformity, since the IPL and SPL share the task of loading the u-boot image.
As a side benefit, the SPL driver is very small.
[port from linux kernel 3.4 commit 570469f3bde7f71cc1ece07a18d54a05b6a8775d]
Signed-off-by: Mike Dunn <[email protected]>
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This patch adds the bitrev library from the linux kernel. This is a simple
algorithm that uses an 8 bit look-up table to reverse the bits in data types of
8, 16, or 32 bit widths. The docg4 nand flash driver uses it.
[port from linux kernel v3.9 commit 7ee32a6d30d1c8a3b7a07a6269da8f0a08662927]
[originally added: v2.6.20 by commit a5cfc1ec58a07074dacb6aa8c79eff864c966d12]
Signed-off-by: Mike Dunn <[email protected]>
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Legacy iomux support is no longer needed now that all boards have been converted
to iomux-v3.
Signed-off-by: Benoît Thébaudeau <[email protected]>
Reviewed-by: Marek Vasut <[email protected]>
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There is no change of behavior.
Signed-off-by: Benoît Thébaudeau <[email protected]>
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Add basic support for the DENX M53EVK board. Currently supported is:
MMC (incl. booting)
NAND (incl. booting)
Ethernet, I2C, USB, SATA, RTC.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Albert ARIBAUD <[email protected]>
Cc: Benoît Thébaudeau <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Scott Wood <[email protected]>
Cc: Stefano Babic <[email protected]>
Cc: Tom Rini <[email protected]>
Cc: Wolfgang Denk <[email protected]>
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With the u-boot-with-spl.bin rule calling $(OBJCOPY) with
CONFIG_SPL_PAD_TO, and CONFIG_SPL_PAD_TO defaulting to
CONFIG_SPL_MAX_SIZE we cannot use math here, so set it to 4096 rather
than 4 * 1024.
Signed-off-by: Tom Rini <[email protected]>
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The Hydra and Superhydra (P3041DS, P5020DS, and P5040DS) boards have a
second USB port that can be configured in either host, peripheral (aka
device), or OTG (on-the-go) mode. When configured in host mode, if
the port is connected to another USB host, damage to the board can
occur.
To avoid this, we change the default setting to peripheral mode. Ideally,
we'd set it to OTG mode, but currently there is no OTG support for
these boards.
Setting the hwconfig variable will also update the device tree, and so
Linux will configure the port for peripheral mode as well.
Signed-off-by: Shaohui Xie <[email protected]>
Signed-off-by: Timur Tabi <[email protected]>
Signed-off-by: Andy Fleming <[email protected]>
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Add defines needed to access NAND, remove second flash bank that is
actually connected to NAND.
Add nand booting support for P1022DS with hardcoded DDR config using
SPL framework from 2011
Signed-off-by: Matthew McClintock <[email protected]>
Signed-off-by: Jerry Huang <[email protected]>
Signed-off-by: Jiang Yutang <[email protected]>
Signed-off-by: Kumar Gala <[email protected]>
Signed-off-by: Andy Fleming <[email protected]>
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The changes to a3m071/a4m2k in summary are:
- Enable CAN1 on I2C in GPS Port Configuration
- Enable SPI on PSC2
- Activate network console
- New flash partitioning
- Fix some typos
- Pass host name to Linux
- Change rootfs to squashfs,jffs2
- Enable UBI/UBIFS support
- Enable FIT support
Signed-off-by: Stefan Roese <[email protected]>
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The v2013.04 release has this patch set included:
5cb48582 "Add architecture-specific global data"
With this, the global_data struct is now common and new variables
have been added. Resulting in a bigger struct. Unfortunately the
currently allocated 128 bytes are just a bit too small for this
new struct.
This patch now uses the automatically generated struct size instead to
not run into this problem again.
Please note that this problem might hit some other platforms which
currently reserve a tight space of 128 bytes for the global_data
struct!
Signed-off-by: Stefan Roese <[email protected]>
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Signed-off-by: Stefan Roese <[email protected]>
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The prt_mpc512x_clks() function isn't referenced
anywhere and its prototype is wrong. Remove it.
Signed-off-by: Anatolij Gustschin <[email protected]>
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Cc: Sricharan R <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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The redundancy related defines are only correct for NAND, so guard all
of that area with CONFIG_ENV_IS_IN_NAND
Cc: Fabio Estevam <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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In order to use the generic hang() later on pull libgeneric in SPL.
This has no impact on the SPL size.
Signed-off-by: Andreas Bießmann <[email protected]>
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In order to use the generic hang() later on pull libgeneric in SPL.
This has no impact on the SPL size.
Signed-off-by: Andreas Bießmann <[email protected]>
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log2 of the device block size serves as the shift value used to calculate
the block number to read in file systems when implementing avaiable block
sizes.
It is needed quite often in file systems thus it is pre-calculated and
stored in the block device descriptor.
Signed-off-by: Egbert Eich <[email protected]>
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For ISO we check the block size of the device if this is != the CD sector
size we assume that the device has no ISO partition.
Signed-off-by: Egbert Eich <[email protected]>
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Disks beyond 2T in size use blocksizes of 4096 bytes. However a lot of
code in u-boot still assumes a 512 byte blocksize.
This patch fixes the handling of GPTs.
Signed-off-by: Egbert Eich <[email protected]>
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The number 512 appears quite a bit in the mmc code. Add a constant for this
so that it can be used here and in other parts of the code (e.g. SPL code
which loads from mmc).
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Vadim Bendebury <[email protected]>
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Signed-off-by: Wolfgang Denk <[email protected]>
Acked-by: Stefan Roese <[email protected]>
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Align some comments.
Signed-off-by: Wolfgang Denk <[email protected]>
Acked-by: Stefan Roese <[email protected]>
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Signed-off-by: Wolfgang Denk <[email protected]>
Conflicts:
include/configs/m28evk.h
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Change all "#define<TAB>" sequences into "#define<SPACE>"
Signed-off-by: Wolfgang Denk <[email protected]>
Acked-by: Marek Vasut <[email protected]>
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When CONFIG_REGEX is enabled, the new option "-e" becomes available
which causes regular expression matches to be used. This allows for
example things like these:
- print all MAC addresses:
=> env grep -e eth.*addr
eth1addr=00:10:ec:80:c5:15
ethaddr=00:10:ec:00:c5:15
- print all variables that have at least 2 colons in their value:
=> env grep -v -e :.*:
addip=setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}:${netdev}:off
panic=1
eth1addr=00:10:ec:80:c5:15
ethaddr=00:10:ec:00:c5:15
ver=U-Boot 2013.04-rc1-00289-g497746b-dirty (Mar 22 2013 - 12:50:25)
etc.
Signed-off-by: Wolfgang Denk <[email protected]>
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Downloaded from http://slre.sourceforge.net/
and adapted for U-Boot environment.
Used to implement regex operations on environment variables.
Code size is ~ 3.5 KiB on PPC.
To enable this code, define the CONFIG_REGEX option in your board
config file.
Note: There are more recent versions of the SLRE library available at
http://slre.googlecode.com ; unfortunately, the new code has a heavily
reorked API which makes it less usable for our purposes:
- the return code is strings, which are more difficult to process
- we don't get any information any more which sub-string of the data
was matched by the given regex
- it is much more cumbersome to work with arbitrary expressions, where
for example the number of substrings for capturing are not known at
compile time
Also, there does not seem to be any real changes or improvements of
the functionality.
Because of this, we deliberately stick with the older code.
Note 2: the test code (built when SLRE_TEST is defined) was modified
to allow for more extensive testing; now we can test the regexp
matching on all lines on a text file (instead of the whole data in the
file as a single block).
Signed-off-by: Wolfgang Denk <[email protected]>
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Also drop hstrstr_r() which is not needed any more.
The new code is way more flexible.
Signed-off-by: Wolfgang Denk <[email protected]>
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The output of "env grep" is unsorted, and printing is done by a
private implementation to parse the hash table. We have all the
needed code in place in hexport_r() alsready, so let's use this
instead. Here we prepare the code for this, without any functional
changes yet.
Signed-off-by: Wolfgang Denk <[email protected]>
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Enable these options to use FITs on sandbox.
Signed-off-by: Simon Glass <[email protected]>
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This allows write of files from the host filesystem in sandbox. There is
currently no concept of overwriting the file and removing its existing
contents - all writing is done on top of what is there. This means that
writing 10 bytes to the start of a 1KB file will only update those 10
bytes, not truncate the file to 10 byte slong.
If the file does not exist it is created.
Signed-off-by: Simon Glass <[email protected]>
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Add a new method for saving that filesystems can implement. This mirrors the
existing load method.
Signed-off-by: Simon Glass <[email protected]>
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This conversion is required in a number of places in U-Boot. Add a
standard function to provide this feature, so we avoid all the different
variations in the way it is coded.
Signed-off-by: Simon Glass <[email protected]>
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With sandbox it is tricky to add an FDT to the image at build time (or
later) since we build an ELF file, not a plain binary, and the address
space of the whole U-Boot is not accessible in the emulated memory map
of sandbox.
Sandbox can read files directly from the host, though, so add an option
to read an FDT from a host file on start-up.
Signed-off-by: Simon Glass <[email protected]>
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Add generic board support for sandbox. and remove the old board init code.
Select CONFIG_SYS_GENERIC_BOARD for sandbox now that this is supported.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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In many cases, pointers to memory are passed around, and these pointers
refer to U-Boot memory, not host memory. This in itself is not a
problem.
However, in a few places, we cast that pointer back to a ulong (being
a U-Boot memory address). It is possible to convert many of these cases
to avoid this. However there are data structures (e.g. struct
bootm_headers) which use pointers. We could with a lot of effort adjust
the structs and all code that uses them to use ulong instead of pointers.
This seems like an unacceptable cost, since our objective with sandbox
is to minimise the impact on U-Boot code while maximising the features
available to sandbox.
Therefore, create a map_to_sysmem() function which converts from a
pointer to a U-Boot address. This can be used sparingly when needed.
Signed-off-by: Simon Glass <[email protected]>
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