| Commit message (Collapse) | Author | Age | Files | Lines |
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We have get_cr() to get the control register for the different exception
levels. Use it rather than the variant hardcoded for EL1.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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PHY_INTERFACE_MODE_SGMII_2500 and PHY_INTERFACE_MODE_NONE are missing.
Add these to be consistent with the Kernel.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The crc16 functions in ubifs are unused, so remove them.
(They were only used in the LPT functions which are completely removed
for the barebox readonly implementation)
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Drop dummy_probe() due to lack of users in the tree.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Drop what looks like a leftover function prototype.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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with 4 MiB we are not able even to start latest kernel.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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it is needed for raw dmesg output
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Same as linux dmesg, barebox dmesg will be able to restrict output level
by using -l option. For example "dmesg -l err,warn"
This functionality can be used for test automation.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add -r option to mimic functionality of linux dmesg.
It will prefix log level and timestamp to each buffer:
<6>[ 460us] barebox 2019.02.0-00266-g6aea757067-dirty #355 Thu Feb 21 11:51:43 CET 2019
<6>[ 6279us] Board: DPTechnics DPT-Module
<6>[ 209281us] mdio_bus: miibus0: probed
<6>[ 210184us] ag71xx-gmac 18070000.mac@19000000.of: network device registered
<6>[ 216051us] m25p80 w25q128@00: w25q128 (16384 Kbytes)
<6>[ 219913us] netconsole: registered as netconsole-1
<6>[ 223312us] malloc space: 0x80c00000 -> 0x80ffffff (size 4 MiB)
<6>[ 228255us] eth0: got preset MAC address: c4:93:00:00:ae:89
<6>[ 246363us] running /env/bin/init...
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Port Xilinx Zynq MPSoC Firmware layer driver from linux.
Signed-off-by: Thomas Haemmerle <thomas.haemmerle@wolfvision.net>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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At the moment
grep -r --exclude-dir=.git 'SPDX-License-Identifier:' | \
grep -v 'GPL-2.0'
shows me 39 non-dually-licensed source code files (SoCFPGA) that have a
BSD-3-Clause license _identifier_.
There seems to be no barebox BSD-3-Clause license _text_ however,
which runs afoul of the first clause of the license.
To account for this and future contributions which are licensed under
non-GPL-2.0-but-compatible licenses, create a new LICENSES directory
like the one Linux has, where licenses are located.
This also removes the jumptable exception inherited from U-Boot:
> On 11/2/19 09:00, Sascha Hauer wrote:
>> I don't think we need this [exception]. barebox doesn't have
>> (and never had since the fork from U-Boot) these standalone
>> applications. There is no jumptable in barebox. What we do have
>> is modules support, but these are not covered by this text.
The LICENSES/exceptions directory is therefore empty as well as
the LICENSES/other directory, which might house new licenses in future.
They are added along this commit however, because upstream
checkpatch.pl introduced with a later commit depends on their
existence.
Fixes: a3ffa97f4 ("rename U-Boot-v2 project to barebox")
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Test will read the device and report the corrected or failed ECC states.
Signed-off-by: Jan Remmet <j.remmet@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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make it properly represented by menuconfig
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Port of Linux patch https://patchwork.kernel.org/patch/10766235/
The HW can swap the USB differential-pair (D+/D-) for each port
separately. So the USB signals can be re-aligned with a misplaced
USB connector on the PCB.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Richard Leitner <richard.leitner@skidata.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Port Microchip USB251x USB hub driver from Linux. Needed by ZII's
i.MX8MQ boards.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Port basic Linux kernel NLS functions: utf8_to_utf32() and
utf8s_to_utf16s() in order to support porting kernel code that uses
them.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Import DWC3 USB controller driver from Linux. This is a bare minimum
port of the code needed to support USB host functionality on
i.MX8MQ. No other use-case is explicitly supported.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Import a subset of clk_bulk API from Linux to support porting kernel
code that uses it.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Import USB_SPEED_SUPER_PLUS constant from Linux to support porting
kernel code that uses it.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Regardless of the value of CONFIG_HAVE_CLK, clk_put() implementation
is always a no-op. Move the definition to linux/clk.h and drop the
rest of the code implementing it.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Port i.MX8MQ USB PHY driver from Linux.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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In order to support PHY driver probe deferral change the code to
assume EPROBE_DEFER instead of ENODEV when requested PHY is missing
from phy_provider_list.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Make use of lo_hi_readq/writeq() to implement xhci_read/write_64()
helpers, same as it is done in the Linux kernel.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Simplify route string building loop by avoiding checking
top_dev->parent->descriptor->bDeviceClass twice.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Initialize TRT flag for xHCI >= 1.0, not just == 1.0. This is what
Linux xHCI driver does.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Simplfy xhci_submit_normal()'s logic a bit by using helper variables
and making sure that usb_pipein(pipe) is only called once.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Drop 'dma' field from struct xhci_hcd since it is not really used
anywhere.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Current TRB initialization code in xHCI driver is:
a) Somewhat inconsistent in endianness correctness: LE is insured
in some places whereas in some places it isn't
b) Somewhat inconsistent in how DMA buffer address is being
written: some places utilize xhci_write_64, whereas others just
assing cmd_trb field directly
c) A bit wasetful since in a number of codepaths where TRB is used
it is memset to zero first only to have 80+% of its fields
changed to something else right after.
To fix all of the above introduce xhci_init_event_cmd_trb(), that will
initialize all of the fileds to desired values only once as well as
taking care of endianness.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Convert xhci_submit_control() to use dma_(un)map_single(). These
functions both allow us to handle potential physical/virtual address
differences as well as allowing to drop a number of typecasts.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Convert xhci_submit_normal() to use dma_(un)map_single(). These
functions both allow us to handle potential physical/virtual address
differences as well as allowing to drop a number of typecasts.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Driver's .submit_control() callback can and will be called with buffer
set to NULL (and length set to 0), so we need to make sure that we
don't try to DMA sync the buffer in that case. Add appropriate gurads
to make sure that doesn't happen.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Xhci_submit_control() submits TRB_DATA with TRB_IOC flag regardless of
the vlaue of req->requesttype, so we shouldn't gate waiting for the
event that will result from it with "req->requesttype &
USB_DIR_IN". Failing to do this will result in unstable USB
performance and will eventually cause the controller to fail
completely.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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xHCI spec allows for various context to be either 32 or 64 bytes in
size, so we can't rely on struct definitions to correctly reflect data
layout. Port varios context accessors from Linux kernel and convert
the rest of the code to use them in order to be able to support both
context sizes.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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On_hs_hub is a boolean, not a bitfiled, so usage of bitwise or is
unnecessary. Replace it with a regular assignement operator.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Make sure to initialize xhci->rings_list, otherwise any use of the
driver will result in a crash.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Cast ~XHCI_IRQS to u32 to avoid getting a warning on 64-bit builds.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Memory returned by dma_alloc_coherent() should already be zeroed
out, so there's no need to do this explicitly.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Replace occasional all-whiltespace indentation with tabs for
consistency.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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i2c is used in SPD EEPROMs and thus needed very early before barebox is
up. This patch adds a i.MX i2c driver variant for use in PBL.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We'll add a stripped down driver variant for use in PBL. To share the
register defines add a header file for them.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We speed up the clock frequency only if probed via platform_data.
Additionally honour the "clock-frequency" property.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Following the Linux driver the controller should be stopped in the
read transfer path only after the last transfer of a message, but
not when other transfers of the same message are following. Implement
this behaviour for the barebox driver aswell.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We poll for different bits in the status register in different
functions. Instead of repeating the polling loops each time create
a helper function for it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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dev_dbg is a no-op when debugging is disabled, so no need for extra ifdefs.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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4ed5b77 ("i.MX: i2c: Add Vybrid support") introduced regshifts for the
register offsets, but missed to adjust the register offset for the
FSL_I2C_DFSRR register (which exists only on PowerPC). Fix this.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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No need to put the of_compatible field into ifdefs, remove them.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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