It seems nobody tested the debug() option in spin_lock_irqsave().
Currently, when #define DEBUG, it spoils the compiler with
In file included from drivers/usb/dwc3/gadget.c:18:
drivers/usb/dwc3/gadget.c: In function ‘dwc3_gadget_set_selfpowered’:
include/log.h:235:4: warning: ‘flags’ is used uninitialized in this function [-Wuninitialized]
235 | printf(pr_fmt(fmt), ##args); \
| ^~~~~~
drivers/usb/dwc3/gadget.c:1347:17: note: ‘flags’ was declared here
1347 | unsigned long flags;
| ^~~~~
and so on...
Drop useless debug() call to make compiler happy.
Fixes: 0c06db5983 ("lib, linux: move linux specific defines to linux/compat.h")
Cc: Heiko Schocher <hs@denx.de>
Cc: Tom Rini <trini@ti.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
This file can be included by any header but it includes C code. Guard it
to avoid errors when compiling ASL, etc.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
There is only declaration of usb_speed_string(), but no definition,
so add it to avoid build error when call it.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
All users of these functions now include dm/device_compat.h directly.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Merge tag 'u-boot-atmel-2021.01-a' of https://gitlab.denx.de/u-boot/custodians/u-boot-atmel into next
First set of u-boot-atmel features for 2021.01 cycle:
This feature set includes a new CPU driver for at91 family, new driver
for PIT64B hardware timer, support for new at91 family SoC named sama7g5
which adds: clock support, including conversion of the clock tree to
CCF; SoC support in mach-at91, pinctrl and mmc drivers update. The
feature set also includes updates for mmc driver and some other minor
fixes and features regarding building without the old Atmel PIT and the
possibility to read a secondary MAC address from a second i2c EEPROM.
No drivers in U-Boot use these functions.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Patrick Delaunay <patrick.delaunay@st.com>
Add pre-requisite headers for AT91 clock architecture. These
are based on already present files on Linux and will be used
by following commits for AT91 CCF clock drivers.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Add wait_event_timeout - sleep until a condition gets true or a
timeout elapses.
This is a stripped version of the same from Linux kernel with the
following u-boot specific modifications:
- no wait queues supported
- use u-boot timer to detect timeouts
- check for Ctrl-C pressed during wait
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
[trini: Drop atomic_read from gadget/ether.c as this has existed for a
while and now causes problems]
Signed-off-by: Tom Rini <trini@konsulko.com>
This header file should not be included in other header files. Remove it
and use a forward declaration and un-inlining of dev_get_clk_ptr()
instead.
Fix up the kendryte header files to avoid build errors.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
Add SPINAND_HAS_CR_FEAT_BIT flag to identify the SPI NAND device with
the Continuous Read mode.
Some of the Micron SPI NAND devices have the "Continuous Read" feature
enabled by default, which does not fit the subsystem needs.
In this mode, the READ CACHE command doesn't require the starting column
address. The device always output the data starting from the first
column of the cache register, and once the end of the cache register
reached, the data output continues through the next page. With the
continuous read mode, it is possible to read out the entire block using
a single READ command, and once the end of the block reached, the output
pins become High-Z state. However, during this mode the read command
doesn't output the OOB area.
Hence, we disable the feature at probe time.
Signed-off-by: Shivamurthy Shastri <sshivamurthy@micron.com>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
Add new API k3_ringacc_request_rings_pair() to request pair of rings at
once, as in the most case Rings are used with DMA channels which required
to request pair of rings - one to feed DMA with descriptors (TX/RX FDQ) and
one to receive completions (RX/TX CQ). This will allow to simplify Ringacc
API users.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Imports Al Viro's original Linux commit 00b0c9b82663a, which contains
an in depth explanation and two fixes from Johannes Berg:
e7d4a95da86e0 "bitfield: fix *_encode_bits()",
37a3862e12382 "bitfield: add u8 helpers".
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
[s.nawrocki: added empty lines between functions and macros]
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
[mb: squash fix including byteorder.h]
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
This adds a bunch of preprocessor magic to extend the capabilities of
CONFIG_IS_ENABLED. The existing semantics of
CONFIG_IS_ENABLED(FOO)
expanding to a 1 or 0 (depending on build context and the defined-ness
or not of the appropriate CONFIG_FOO/CONFIG_SPL_FOO/CONFIG_TPL_FOO)
are of course preserved. With this, one is also allowed a two-argument
form
CONFIG_IS_ENABLED(FOO, (something))
which expands to something precisely when CONFIG_IS_ENABLED(FOO) would
expand to 1, and expands to nothing otherwise. It is, in other words,
completely equivalent to the three lines
#if CONFIG_IS_ENABLED(FOO)
something
#endif
The second argument must be parenthesized in order to allow any
tokens, including a trailing comma, to appear - one use case for this
is precisely to make it a bit more ergonomic to build an array and
only include certain items depending on .config. That should increase
both readability and not least "git grep"ability.
A third variant is also introduced,
CONFIG_IS_ENABLED(FOO, (xxx), (yyy))
which corresponds to
#if CONFIG_IS_ENABLED(FOO)
xxx
#else
yyy
#endif
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
U-Boot does not have loadable modules, and nothing currently uses any
of the (CONFIG_)?IS_(BUILTIN|MODULE) macros - only
the (CONFIG_)?IS_ENABLED variants are ever used.
While I understand the desire to keep this somewhat synchronized with
linux, we've already departed by the introduction of the
CONFIG_IS_ENABLED extra logic, and deleting these makes the next patch
much simpler, since I won't have to duplicate a lot of logic for no
real gain (as there are no users).
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Instead of using the arg1_or_junk trick to pick between two choices,
with a bit of duplication between the branches (and most of the
CONFIG_TPL_BUILD case being redundant, as _IS_TPL is known to be
defined to 1 in that case), simply define a prefix that we inject
between CONFIG_ and the given config symbol.
This only requires one level of indirection (to get the
_CONFIG_PREFIX macro expanded before the token concatenation takes
place), and makes it easy to, say, introduce a CONFIG_HOSTTOOL_
prefix. [I would expect most HOSTTOOL_ symbols to just be def_bool y,
but it would allow us to clean up some of the ifdef HOSTCC mess in the
sources shared between U-Boot and host tools.]
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
There are cases where when we allow the compiler to decide about making
inline decisions rather than forcing them it can save us space.
For now, we keep the default values for inlining that we have had
historically.
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
In the Linux kernel, support for forcing inline functions to be made
inline, rather than allowing the compiler to make its own choice has
been removed. With respect to performance, modern GCC (and Clang) do a
good job at deciding when to, or not to, inline code and there are no
run-time requirements in Linux anymore.
There is one downside to this, which is final binary size. On average
in U-Boot removing this support grows SPL by almost 1 kilobyte. But
there are cases where it shrinks the binary by making better inline
choices than we had forced.
Start by re-introducing CONFIG_OPTIMIZE_INLINING as a global which
essentially reverts 889b3c1245de ("compiler: remove CONFIG_OPTIMIZE_INLINING entirely")
from Linux.
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Copy these from Linux v5.7-rc5 tag.
This brings in some handy new attributes and is otherwise important to
keep in sync.
We drop the reference to smp_read_barrier_depends() as it is not
relevant on the architectures we support at this time, based on where
it's implemented in Linux today. We drop the call to kasan_check_read()
as that is not relevant to U-Boot as well.
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
This is defined in the asm/cache.h header file. Update this header file to
include it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Tested-by: Adam Ford <aford173@gmail.com> #da850-evm
Let move 8/16-bit UTMI+ interface initialization into DWC3 core init
that is convenient for both DM_USB and u-boot traditional process.
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
It is bad practice to include common.h in other header files since it can
bring in any number of superfluous definitions. It implies that some C
files don't include it and thus may be missing CONFIG options that are set
up by that file. The C files should include these themselves.
Update some header files in arch/arm to drop this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Add readl poll API with sleep and timeout support.
This change is referenced from Linux from below commit:
commit <5f5323a14cad19323060a8cbf9d96f2280a462dd> ("iopoll:
introduce read_poll_timeout macro")
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Some drivers and other bsp code not only poll the
register with timeout but also required to delay
on each transaction.
This patch add that requirement by adding sleep_us
variable so-that read_poll_timeout now support
delay as well.
This change is referenced from Linux from below commit:
commit <5f5323a14cad19323060a8cbf9d96f2280a462dd> ("iopoll:
introduce read_poll_timeout macro")
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Add read_poll_timeout common API similar to Linux iopoll.
readx_poll_timeout will trigger read_poll_timeout with
proper op. This will help to extend the functionalities
like sleep_us to poll timeout in future.
This change is referenced from Linux from below commit:
commit <5f5323a14cad19323060a8cbf9d96f2280a462dd> ("iopoll:
introduce read_poll_timeout macro")
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Enable QE bit for ISSI flash chips.
QE enablement logic is similar to what Macronix
has, so reuse the existing code itself.
Cc: Sagar Shrikant Kadam <sagar.kadam@sifive.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Linux has good support for Toshiba SPI-NAND, so lets import it.
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Tested-by: Luka Kovacic <luka.kovacic@sartura.hr>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
fdt_region APIs are not part of libfdt. They are U-Boot extension
for the verified boot. Split the declarations related to fdt_region
out of <fdt_region.h>. This allows <linux/libfdt.h> to become a
simple wrapper file, like Linux does.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Use ofnode_ instead of fdt_ APIs so that the drivers can support live DT.
This patch updates usb_get_dr_mode() and usb_get_maximum_speed() to use
ofnode as parameter instead of fdt offset. And all the drivers who use
these APIs update to use live dt APIs at the same time.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
SYSFW v2020.01 and later versions no longer supports the below messages:
- TI_SCI_MSG_RM_RING_GET_CFG
- TISCI_MSG_RM_UDMAP_TX_CH_GET_CFG 0x1206
- TISCI_MSG_RM_UDMAP_RX_CH_GET_CFG 0x1216
- TISCI_MSG_RM_UDMAP_FLOW_GET_CFG 0x1232
- TISCI_MSG_RM_UDMAP_FLOW_SIZE_THRESH_GET_CFG 0x1233
There are no users in U-Boot for any of the above messages, So drop the
support for all the corresponding messages.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
The implementation of dma_map_single() and dma_unmap_single() is
exactly the same for all the architectures that support them.
Factor them out to <linux/dma-mapping.h>, and make all drivers to
include <linux/dma-mapping.h> instead of <asm/dma-mapping.h>.
If we need to differentiate them for some architectures, we can
move the generic definitions to <asm-generic/dma-mapping.h>.
Add some comments to the helpers. The concept is quite similar to
the DMA-API of Linux kernel. Drivers are agnostic about what is
going on behind the scene. Just call dma_map_single() before the
DMA, and dma_unmap_single() after it.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Most files don't need this header and it pulls in quite of lots of stuff,
malloc() in particular. Drop it.
Signed-off-by: Simon Glass <sjg@chromium.org>
At present dm/device.h includes the linux-compatible features. This
requires including linux/compat.h which in turn includes a lot of headers.
One of these is malloc.h which we thus end up including in every file in
U-Boot. Apart from the inefficiency of this, it is problematic for sandbox
which needs to use the system malloc() in some files.
Move the compatibility features into a separate header file.
Signed-off-by: Simon Glass <sjg@chromium.org>
These functions include calls to a memory-allocation routine and so need
to use the system routine when called from a library.
To preserve access to these functions for libraries that need it, such as
SDL, rename these functions within U-Boot.
Signed-off-by: Simon Glass <sjg@chromium.org>
This function name conflicts with our desire to #define free() to
something else on sandbox. Since it deals with resources, rename it to
rfree().
Signed-off-by: Simon Glass <sjg@chromium.org>
Add support for Octal flash devices. Octal flash devices use 8 IO lines
for data transfer. Currently only 1-1-8 Octal Read mode is supported.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
K3 J721E:
* DMA support.
* MMC and ADMA support.
* EEPROM support.
* J721e High Security EVM support.
* USB DT nodes
K3 AM654:
* Fixed boot due to pmic probe error.
* USB support and DT nodes.
* ADMA support
DRA7xx/AM57xx:
* BBAI board support
* Clean up of net platform code under board/ti
AM33/AM43/Davinci:
* Reduce SPL size for omap3 boards.
* SPL DT support for da850-lcdk
* PLL divider fix for AM335x
Import few basic bitmap functions (bitmap_{weight,fill,set,clear,or}())
and their dependencies from Linux. These are required for upcoming DMA
resource allocation support for TI's K3 SoCs.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
The kernel.h file has a number of useful macros including a few related
to structures. Move check_member() there too.
Signed-off-by: Simon Glass <sjg@chromium.org>
JESD216 allow vendors to define their own SFDP tables.
Add SST SFDP parser. The vendor table is allocated using resource-managed
kmalloc - the table will be freed on driver detach. It will be accessible
by getting the UCLASS_SPI_FLASH's private data.
The SST's SFDP table is particularly of interest because contains
pre-programmed globally unique EUI-48 and EUI-64 identifiers.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Implement dma_get_cfg() interface to pass flow id information for DMA
clients to use. This is needed because on K3 SoCs, CPSW (ethernet) and
UDMA (DMA provider) support "flows" within a given RX DMA channel. This
allows different network packets to be segregated while using same RX
DMA channel. In order for basic ethernet to work, CPSW slave must be
aware of the flow ID allocated for the RX channel by the DMA driver.
This interface allows CPSW to query flow ID from DMA provider and
configure it in CPSW HW.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
unsigned char should be called uchar and not unchar.
This fixes a build error in lib/crypto/x509_cert_parser.c.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Imported from linux kernel v5.3:
build_OID_registry without changes
oid_registry.h without changes
oid_registry.c with changes marked as __UBOOT__
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Imported from linux kernel v5.3:
asn1.h without changes
asn1_ber_bytecode.h without changes
asn1_decoder.h without changes
asn1_compiler.c without changes
This host command will be used to create a ASN1 parser, for example,
for pkcs7 messages or x509 certificates. More specifically, it will
generate *byte code* which will be interpreted by asn1 decoder library.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Adding "printk.h" will help improve portability from linux kernel
code (in my case, lib/asn1_decoder.c and others) where printf and
pr_* variant functions are used.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
This function will be used in lib/crypto/x509_cert_parser.c, which
will also be imported from linux code in a later commit.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
The 'sf' command is not supposed to rely on the MTD stack, but both
'sf' and 'nand' commands use helpers located in mtd_uboot.c. Despite
their location, these functions do not depend at all on the MTD
stack.
This file (drivers/mtd/mtd_uboot.c) is only compiled if CONFIG_MTD is
selected, which is inconsistent with the current situation. Solve this
by moving these three functions (which are only used by the above two
commands) out of mtd_uboot.c and put them in a C file only compiled
with cmd/sf.c and cmd/nand.c.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
[trini: Don't export get_part function now]
Signed-off-by: Tom Rini <trini@konsulko.com>
We have an existing U-Boot header for the one function that this defines.
Use that instead of the linux/ one. Move over the nice comment.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
U-Boot has two different variants of dwc3 initializations,
- with dm variant gadget, so the respective dm driver would
call the dwc3_init in core.
- with non-dm variant gadget, so the usage board file would
call dwc3_uboot_init in core.
The driver probe would handle all respective gadget properties
including phy interface via phy_type property and then trigger
dwc3_init for dm-variant gadgets.
So, to support the phy interface for non-dm variant gadgets,
the better option is dwc3_uboot_init since there is no
dedicated controller for non-dm variant gadgets.
This patch support for adding phy interface like 8/16-bit UTMI+
code for dwc3_uboot.
This change used Linux phy.h enum list, to make proper code
compatibility.
Cc: Marek Vasut <marex@denx.de>
Tested-by: Levin Du <djw@t-chip.com.cn>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This patch changes ERR_PTR/PTR_ERR to use CONFIG_ERR_PTR_OFFSET to map
errno values into a pointer region that cannot contain valid pointers.
IS_ERR and IS_ERR_OR_NULL have to be converted to use PTR_ERR, too,
for this to work.
Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
To add usb-3.0 support to peripheral device add BOS & SS capability
descriptors to gadget composite framework.
Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
This patch was copied from kernel commit: 67fdfda4a99ed.
Sometimes, the gadget driver we want to run has max_speed lower than
what the UDC supports. In such situations, UDC might want to make sure
we don't try to connect on speeds not supported by the gadget
driver because that will just fail.
So here introduce a new optional ->udc_set_speed() method which can be
implemented by interested UDC drivers to achieve this purpose.
Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Add match_ep() op to usb_gadget_ops similar to Linux kernel which is
useful in finding a suitable ep match for the function driver. This will
avoid adding more gadget_is_xxx() handling code to usb_ep_autoconfig().
Also sync usb_ep_caps struct thats is usually used in the match_ep()
callback by the gadget controller driver
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Import for_each_set_bit() and associated macros and functions from
Linux. This is useful in parsing interrupt registers and take action on
each bit that is set.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Unfortunately libfdt needs this value now, which is present in the
stdint.h header. That file is just a placeholder in U-Boot and these sorts
of constants appear in the linux/kernel.h header instead.
To keep libfdt happy, add INT32_MAX too.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Bootstage improvements for TPL, SPL
Various sandbox and dm improvements and fixes
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Merge tag 'dm-pull-29oct19' of git://git.denx.de/u-boot-dm
- Fix for patman with email addresses containing commas
- Bootstage improvements for TPL, SPL
- Various sandbox and dm improvements and fixes
'struct ustat' uses linux-specific typedefs to declare its memebers:
__kernel_daddr_t and __kernel_ino_t. It is currently not used by any
U-Boot codes, but when we build U-Boot tools for other platform like
Windows, this becomes a problem.
Let's surround it with __linux__.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
At present spi_flash is defined to be spi_nor which is confusing since it
is not possible to find the 'spi_flash' by normal text search. Add a
comment to help with this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Commit c4e8862308 (mtd: spi: Switch to new SPI NOR framework)
performs switch from previous 'spi_flash' infrastructure without
proper testing/investigations which results in a regressions for
SST26 flash series.
Add missing SST26* flash IC protection ops which were introduced
previously by
Commit 3d4fed87a5 (mtd: sf: Add support of sst26wf* flash ICs
protection ops)
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Any host while requesting for a device can request for its exclusive
access. If an exclusive permission is obtained then it is the host's
responsibility to release the device before the software entity on
the host completes its execution. Else any other host's request for
the device will be nacked. So add a command that releases all the
exclusive devices that is acquired by the current host. This should
be used with utmost care and can be called only at the end of the
execution.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Add and expose a new processor shutdown API that wraps the two TISCI
messages involved in initiating a core shutdown. The API will first
queue a message to have the DMSC wait for a certain processor boot
status to happen followed by a message to trigger the actual shutdown-
with both messages being sent without waiting or requesting for a
response. Note that the processor shutdown API call will need to be
followed up by user software placing the respective core into either
WFE or WFI mode.
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
Sysfw provides an option for requesting exclusive access for a
device using the flags MSG_FLAG_DEVICE_EXCLUSIVE. If this flag is
not used, the device is meant to be shared across hosts. Once a device
is requested from a host with this flag set, any request to this
device from a different host will be nacked by sysfw. Current tisci
driver enables this flag for every device requests. But this may not
be true for all the devices. So provide a separate commands in driver
for exclusive and shared device requests.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
The generic mux clock code for CCF requires reading the clock multiplexer
value from HW registers. As sandbox by design has readl() as no-op it was
necessary to provide this value in the other way.
The new field in the mux structure (accessible only when sandbox is run)
has been introduced for this purpose.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
The generic divider clock code for CCF requires reading the divider value
from HW registers. As sandbox by design has readl() as no-op it was
necessary to provide this value in the other way.
The new field in the divider structure (accessible only when sandbox is
run) has been introduced for this purpose.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
This patch brings the files from Linux kernel (linux-stable/linux-5.1.y
SHA1: 5752b50477da)to provide clocks support as it is used on the Linux
kernel with Common Clock Framework [CCF] setup.
The directory structure has been preserved. The ported code only supports
reading information from PLL, MUX, Divider, etc and enabling/disabling
the clocks USDHCx/ECSPIx depending on used bus. Moreover, it is agnostic
to the alias numbering as the information about the clock is read from the
device tree.
One needs to pay attention to the comments indicating necessary for U-Boot's
driver model changes.
If needed, the code can be extended to support the "set" part of the clock
management.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Now that SiFive clock driver is merged in upstream Linux, we
sync-up WRPLL library used by SiFive clock driver with upstream
Linux sources.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
To match SiFive clock driver with latest Linux, we factor-out PLL
library as separate module under drivers/clk/analogbits.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add the zstd library from Linux kernel (only decompression support).
There are minimal changes to build with U-Boot, otherwise the files are
identical to Linux commit dc35da16 from March 2018, the files had not
been touched since in kernel. Also SPDX lincese tags were added.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
