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In SDHC high speed AC timing, the tshivkh parameter
is defined as input setup times:SDHC_CMD, SDHC_DATx,
to SDHC_CLK. The value of the tshivkh should be 2.5 ns
considering the round trip delay, board/data skew.
However, because of this erratum, it needs
at least 4.1 ns.
eSDHC cannot run at the maximum clock speed for the
high speed mode, or there is a limit on the length
of the trace on the board for data, command, and
clock lines of the SDHC.
Signed-off-by: yinbo.zhu <yinbo.zhu@nxp.com>
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The bit eSDHC_TBCTL[TB_EN] couldn't be reset by eSDHC_SYSCTL[RSTA] which is
used to reset for all. The driver should make sure it's cleared before card
initialization, otherwise the initialization would fail.
Signed-off-by: yinbo.zhu <yinbo.zhu@nxp.com>
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[modify to adapt to 4.9, pcie have member pp instead of pci]
By default, when the PCIe controller experiences an erroneous completion
from an external completer for its outbound non-posted request, it sends
an OKAY response to the device's internal AXI slave system interface.
However, this default system error response behavior cannot be used for
other types of outbound non-posted requests. For example, the outbound
memory read transaction requires an actual ERROR response, like UR
completion or completion timeout.
Fix this by forwarding the error response of the non-posted request.
Signed-off-by: Minghuan Lian <Minghuan.Lian@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Integrated-by: Zhao Qiang <qiang.zhao@nxp.com>
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[context adjustment]
The Freescale PCIe controller advertises the MSI/MSI-X capability in both
RC and Endpoint mode, but in RC mode it doesn't support MSI/MSI-X by
itself; it can only transfer MSI/MSI-X from downstream devices.
Add a quirk to prevent use of MSI/MSI-X in RC mode.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Minghuan Lian <minghuan.Lian@nxp.com>
Integrated-by: Zhao Qiang <qiang.zhao@nxp.com>
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Add DKP support for tls using caam/qi2 as backend.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
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Add DKP support for tls using caam/qi as backend.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
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Add support for unkeyed and keyed (hmac) md5, sha algorithms.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
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Add DKP support for authenc algorithms using caam/qi2 as backend.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
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Upcoming caam/qi2 driver will support ahash algorithms,
thus move ahash descriptors generation in a shared location.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
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Offload split key generation in CAAM engine, using DKP.
DKP is supported starting with Era 6.
Note that the way assoclen is transmitted from the job descriptor
to the shared descriptor changes - DPOVRD register is used instead
of MATH3 (where available), since DKP protocol thrashes the MATH
registers.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
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Save Era in driver's private data for further usage,
like deciding whether an erratum applies or a feature is available
based on its value.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
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ctx_map_to_sec4_sg() function, added in
commit 045e36780f115 ("crypto: caam - ahash hmac support")
has never used the "desc" parameter, so let's drop it.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
(cherry picked from commit dfcd8393efefb7a111f9cb6af69058ecaf4a4d72)
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Extended descriptor allocation has been changed by
commit dde20ae9d6383 ("crypto: caam - Change kmalloc to kzalloc to avoid residual data")
to provide zeroized memory, meaning we no longer have to sanitize
its members - edesc->src_nents and edesc->dst_dma.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
(cherry picked from commit f2ac67746534fab0cbc0bc29bfc3e507b1f58474)
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Work for Congestion State Notifications (CSCN) and Message Ring (MR)
handling is handled via the workqueue mechanism. This requires the
driver to disable those IRQs before scheduling the work and re-enabling
it once the work is completed so that the interrupt doesn't continually
fire.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
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Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
[Stuart: changed to use ARCH_LAYERSCAPE]
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
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Unlike PPC builds, ARM builds need following headers
explicitly:
+#include <linux/io.h> for ioread32be()
+#include <linux/delay.h> for udelay()
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
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Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
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Add revision 3.2 of the QBMan block. This is the version
for LS1043A and LS1046A SoCs.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
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Rework ioremap() for PPC and ARM. The PPC devices require a
non-coherent mapping while ARM will work with a non-cachable/write
combine mapping.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
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The Kconfig symbol for 32bit ARM is 'ARM', not 'ARM32'.
Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
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Not relevant and arch dependent. Overkill for PPC.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
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Replace PPC specific set/clear_bits API with standard
bit twiddling so driver is portalable outside PPC.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
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Use the shared-memory-pool mechanism for frame queue descriptor and
packed frame descriptor record area allocations.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
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Use the shared-memory-pool mechanism for free buffer proxy record
area allocation.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
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Export qman_query_fq_np() function and related structures.
This will be needed in the caam/qi driver, where "queue empty"
condition will be decided based on the frm_cnt.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add and export the ID of the channel serviced by the
CAAM (Cryptographic Acceleration and Assurance Module) DCP.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Since qman_volatile_dequeue() is already exported, move the related
structures into the public header too.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Scott Wood <oss@buserror.net>
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Use resource_size function on resource object
instead of explicit computation.
Generated by: scripts/coccinelle/api/resource_size.cocci
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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Install the callbacks via the state machine.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Scott Wood <oss@buserror.net>
Cc: Claudiu Manoil <claudiu.manoil@nxp.com>
Cc: rt@linutronix.de
Cc: Roy Pledge <roy.pledge@nxp.com>
Link: http://lkml.kernel.org/r/20161126231350.10321-21-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Install the callbacks via the state machine.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Scott Wood <oss@buserror.net>
Cc: Claudiu Manoil <claudiu.manoil@nxp.com>
Cc: rt@linutronix.de
Cc: Roy Pledge <roy.pledge@nxp.com>
Link: http://lkml.kernel.org/r/20161126231350.10321-20-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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The hardware descriptors have big endian (BE) format.
Provide proper endianness handling for the remaining
descriptor fields, to ensure they are correctly
accessed by non-BE CPUs too.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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There are multiple occurences of both contextB and context_b
in different h/w descriptors, referring to the same descriptor
field known as "Context B". Stick with the "context_b" naming,
for obvious reasons including consistency (see also context_a).
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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ORP ("Order Restoration Point") mechanism not supported.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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Preventively mask every access to the 'fqid' h/w field,
since it is defined as a 24-bit field, for every h/w
descriptor. Add generic accessors for this field to
ensure correct access.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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1. qm_mcc_querywq layout not used for now, so drop it;
2. queryfq, queryfq_np and alterfq are used only for accesses to
the 'fqid' field, so replace these with a generic 'fq' layout.
As a consequence, 'querycgr' turns into 'cgr' following the
same reasoning above and for consistent naming.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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opts is checked redundantly.
Move local_opts declaration inside its usage scope.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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Replace dummy platform device hack with a reference to a portal's
platform device, in order to dma map the test frame for this
small unit test. The 2 qman symbols need to be exported because
this self test is a kernel module.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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The qman portals are platform devices themselves, so they should
handle dma mappings. Creating a dummy platform device in order to
support dma mapping operations is not justified (and not portable).
Instead, do the mapping against the first portal that has been
initialised.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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This function must only return the truth value of whether
two frame descriptors are different or not.
It does NOT have to compute some obscure difference between
fd fields and return it as an int, making sparse complain
about type conversions in the process.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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Use the proper accessor to get the FD address.
Accessing the internal field "addr_lo" directly is not portable
and error prone.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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In case init_pcfg() returns with error the CI region
must be unmapped too.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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qman_query_fq*() may return other error codes apart from
-ERANGE, in which cases the error handling done by the
resource cleanup callers would be wrong. The patch
fixes the handling of those cases, and cleans up related
code inside the resource cleanup & release handlers (i.e.
replace hardcoded fqid value with corresponding define).
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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Use arch portable of_property_read_u32() instead, which takes
care of endianness conversions.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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Trivial fix to spelling mistake "uncommited" to "uncommitted" in
critical error messages.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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The AVOIDBLOCK flag determines the Tx confirmation queues processing
to be redirected to any available CPU when the current one is slow
in processing them. This may result in a higher Tx confirmation
interrupt count but may reduce pressure on a certain CPU that with
the previous setting would process all Tx confirmation frames.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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