Commit Graph

4377 Commits

Author SHA1 Message Date
Michal Meloun
8a1d2cd3c1 All CP15 registers are bit fields or counters, don't use signed type
when accessing them.

MFC after:	3 weeks
2017-11-05 16:52:54 +00:00
Oleksandr Tymoshenko
031d577716 Increase TX_MAX_SEGS from 10 to 20 for the if_awg.c driver
Under certain traffic pattern awg driver does not recover from TX queue
full condition. The actual source of the problem is not identified yet
but jmcneill@ agreed that bumping TX_MAX_SEGS to 20 is OK as a workaround
for the problem (NetBSD has it set to 128).

Also add some diagnostic printfs to prevent silent failure of bus_dma
functions in the future

PR will be kept open until root cause of the issue is identified and fixed

PR:		219927
Submitted by:	Tom Vijlbrief <tvijlbrief@gmail.com>
Approved by:	jmcneill
MFC after:	2 weeks
2017-11-04 23:28:02 +00:00
Svatopluk Kraus
d18f8e22ec Take into account race conditions in case of accessed or modified bit
emulation in fast path of data/prefetch abort common routine. Process
these bits only if related page table entries are consistent with
provided abort info. In case of inconsistency, do nothing and let
processor to signal new abort if still needed.

The mapping related to an abort may be a subject of change concurrently.
The situation is more evident on multicore machines. Mapping may be
removed on one core while being used on another one before TLB flush
happened. Memory swapping process may be an example. Or, two or more
aborts may be signaled for the same page on more cores concurrently.
While an abort on one core may cause a promotion of related mapping,
an abort on another core may be inconsistent then as related mapping
was promoted. A question is how much real the issue may be on single
core machine. However, it's better to play safe even for these machines.

This change may solve some "PT2MAP abort" panics reported rarely.
The revision of pmap_fault() was initiated thanks to stack backtrace
provided by Bob Prohaska (fbsd at www.zefox.net).

While here, INVARIANTS block was changed. The previous check had iffy
value as only one entry from many was checked from L2 page table.

Reviewed by:	mmel
MFC after:	3 weeks
2017-11-02 14:08:38 +00:00
Eitan Adler
a2aef24aa3 Update several more URLs
- Primarily http -> https
- Primarily FreeBSD project URLs
2017-10-29 08:17:03 +00:00
Warner Losh
bf8d9a5b94 Add a 'place holder' arm struct efi_fb until a real one comes
along. This allows the arm efi boot loader to compile again.

Sponsored by: Netflix
2017-10-26 16:36:27 +00:00
Mark Johnston
5fca1d90c1 Fix the VM_NRESERVLEVEL == 0 build.
Add VM_NRESERVLEVEL guards in the pmaps that implement transparent
superpage promotion using reservations.

Reviewed by:	alc, kib
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D12764
2017-10-23 15:34:05 +00:00
Michal Meloun
32c48d07c6 Fix spelling.
Reported by:	lidl
MFC after:	1 month
2017-10-21 15:48:16 +00:00
Michal Meloun
0cbf724ed0 Fullify implementation of AT_HWCAP and AT_HWCAP2 for ARMv6,7.
This makes elf_aux_info(3) useable for ARM ports.

MFC after:	1 month
2017-10-21 12:16:21 +00:00
Michal Meloun
904d8c492f Add AT_HWCAP2 ELF auxiliary vector.
- allocate value for new AT_HWCAP2 auxiliary vector on all platforms.
 - expand 'struct sysentvec' by new 'u_long *sv_hwcap2', in exactly
   same way as for AT_HWCAP.

MFC after:	1 month
Reviewed by:	kib
Differential Revision:	https://reviews.freebsd.org/D12699
2017-10-21 12:05:01 +00:00
Bjoern A. Zeeb
8e94025b41 With r181803 on 2008-08-17 23:27:27Z the first VIMAGE commit went into
HEAD.  Enable VIMAGE in GENERIC kernels and some others (where GENERIC does
not exist) on HEAD.

Disable building LINT-VIMAGE with VIMAGE being default.

This should give it a lot more exposure in the run-up to 12 to help
us evaluate whether to keep it on by default or not.
We are also hoping to get better performance testing.
The feature can be disabled using nooptions.

Requested by:		many
Reviewed by:		kristof, emaste, hiren
X-MFC after:		never
Relnotes:		yes
Differential Revision:	https://reviews.freebsd.org/D12639
2017-10-20 21:40:59 +00:00
Emmanuel Vadot
ec9f9562a5 Allwinner: Fix compilation
Forgot an #endif in r324773, sorry for the breakage.
2017-10-19 21:34:53 +00:00
Emmanuel Vadot
3e8d2879c6 Allwinner: Add EARLY_PRINTF function
EARLY_PRINTF can help debugging early problems.
Add it for Allwinner SoCs.

Tested On: OrangePi One (H3)
2017-10-19 20:56:30 +00:00
Emmanuel Vadot
59c4192cd3 tegra: Do not define early printf function
Since tegra is now in GENERIC, do not enable the early printf
function as it can conflict with others.
2017-10-19 20:52:17 +00:00
Mark Johnston
46fcd1af63 Move kernel dump offset tracking into MI code.
All of the kernel dump implementations keep track of the current offset
("dumplo") within the dump device. However, except for textdumps, they
all write the dump sequentially, so we can reduce code duplication by
having the MI code keep track of the current offset. The new
dump_append() API can be used to write at the current offset.

This is needed to implement support for kernel dump compression in the
MI kernel dump code.

Also simplify dump_encrypted_write() somewhat: use dump_write() instead
of duplicating its bounds checks, and get rid of the redundant offset
tracking.

Reviewed by:	cem
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D11722
2017-10-18 15:38:05 +00:00
Michal Meloun
a86d798210 Save VFP state in getcontext(3) on ARM.
This is a last followup of r315974, which fixes userland part
of VFP save/restore problems described in PR 217611.

PR:		217611
MFC after:	2 weeks
2017-10-16 12:53:54 +00:00
Emmanuel Vadot
449ed68efb a10_ehci: Remove the passby code
It doesn't seems to be needed anymore and this make ehci working again
on the Pine64.
Thanks to jmcneill@ for the help.

Tested on:	Pine64 (A64), OrangePi One (H3), BananapiM2 (A31s)
2017-10-12 18:00:29 +00:00
Bjoern A. Zeeb
8d94da2899 Add rev16 instruction to the disassembler.
Reviewed by:		andrew
Differential Revision:	https://reviews.freebsd.org/D12645
2017-10-12 15:53:54 +00:00
Bjoern A. Zeeb
14c25c2ac6 Previously there was a VIRT kernel to which I had added these options.
With that gone they need to go into GENERIC now.

Makes FreeBSD/arm usable on gem5 by default.

Reviewed by:		andrew
Differential Revision:	https://reviews.freebsd.org/D12566
2017-10-12 14:32:45 +00:00
Ian Lepore
7e7ef41632 Fix imx6 hdmi init after r323553, which used a config_intrhook to defer the
attachment of i2c devices needed by hdmi.

The hdmi init also uses an intrhook callback to defer initialization, and if
the hdmi callback runs first, the i2c devices will not yet have registered
their device_t in association with their FDT phandle, which allows cross-
device references on FDT systems.

Now the hdmi deferred init checks for the i2c device registration, and if
it's not complete yet, it registers as an eventhandler watching for newbus
attach events.  When the i2c device eventually attaches, the hdmi driver
unregisters from watching further events, and continues with the hdmi init.
Because the function signatures for an intrhook callback and an event
handler callback are the same, a single function is used for both callbacks.

Reported by:	Russell Haley <russ.haley@gmail.com>
2017-10-08 18:38:22 +00:00
Emmanuel Vadot
ac9297c128 Allwinner: Add clock driver for ccu_sun8i_r
SUN8I and SUN50I (H3, H5, A83T and A64) have a second clock controller
unit. It controls the clocks for the second gpio controller, the IR
controller etc ...
Support for A83T is not supported.

Tested On: OrangePi One, Pine64
2017-10-07 16:48:42 +00:00
Warner Losh
31329820e5 Oversight on armv7 bulk commit: Make MACHINE_ARCH be armv7 for new
enough processors. This isn't ideal, because one could still compile
MACHINE_ARCH armv6, but with armv7 options enabled. We don't normally
do that, and it's a bit of an edge case so accept the less than ideal
solution here in the absence of something better.

Reported by: strejda@
Sponsored by: Netflix
2017-10-06 13:43:16 +00:00
Warner Losh
094fc1ed0f Tag all armv7 kernels as such in their machine config line.
Transition all boards that support arm cortex CPUs to armv7. This
leaves two armv6 kernels in the tree. RPI-B, which uses the BCM2835
which has a ARM1176 core, and VERSATILEPB, which is a qemu board setup
around the time RPI-B went in. Copy std.armv6 to std.armv7, even
though that duplicates a lot of stuff. More work needs to be done to
sort out the duplication.

Differential Revision: https://reviews.freebsd.org/D12027
2017-10-05 23:01:50 +00:00
Emmanuel Vadot
d3609450aa Allwinner H3 CCU: Fix build on ARM64
ccu_h3.c is also used on ARM64 as it provides clocks for the H5 SoC.
Since ARM64 doesn't have sys/gun/dts/include in it's include path, use
the full name for the sun8i-h3-ccu.h include.

Reported by:	andreast
2017-10-02 19:17:09 +00:00
Emmanuel Vadot
7bc85edd15 Allwinner GPIO: Fail if we cannot enable a clock
If we cannot enable a clock (which is required to have the device
working), do not attach the device as it will not work.
2017-10-02 17:20:07 +00:00
Emmanuel Vadot
4168a6e9f1 Allwinner: Remove a10_gpio.h
a10_gpio.h isn't used since a long time, remove it from the tree.
2017-10-02 16:39:12 +00:00
Emmanuel Vadot
d8ffc6fb25 Allwinner A31 ccu: Use clock/reset IDs from dt-bindings
Do not redefines resets and clocks ID which are already in the
dt-bindings include directory. Those files are under dual licenced
under GPL2/MIT so use them directly.
2017-10-02 16:21:20 +00:00
Emmanuel Vadot
f5bb8f4aaf Allwinner A64 ccu: Use clock/reset IDs from dt-bindings
Do not redefines resets and clocks ID which are already in the
dt-bindings include directory. Those files are under dual licenced
under GPL2/MIT so use them directly.
2017-10-02 16:12:06 +00:00
Emmanuel Vadot
5aefde1fa8 Allwinner H3 ccu: Use clock/reset IDs from dt-bindings
Do not redefines resets and clocks ID which are already in the
dt-bindings include directory. Those files are under dual licence
GPL2/MIT so use them directly.
2017-10-02 15:48:39 +00:00
Ian Lepore
74eb18b6cc Define a single instance of ahci_devclass and reference it from all the
attachment code for various SOCs and busses.  Remove all the static and
should-have-been-static and named-differently instances of it.

This should eliminate the recently-grown build warnings about multiple
definitions when building arm kernels.
2017-10-02 02:58:28 +00:00
Ian Lepore
8fb0ef085c Enhance the interrupt capabilities of ti_pruss driver.
The existing ti_pruss driver for the PRUSS Hardware provided by the AM335x
ARM CPU has basic interrupt capabilities.  This updated driver provides some
more options:

 - Sysctl based configuration for the interrupts (for some examples, see the
   test plan in the phabricator review cited below).

 - A device file (/dev/pruss0.irqN) for each enabled interrupt. This file
   can be read and the device blocks if no irq has happened or returns an
   uint64_t timestamp based on nanouptime().

 - Each interrupt device file provides kqueue-based event notification,
   blocking read(), or select().

Submitted by:	Manuel Stuhn <freebsdnewbie@freenet.de>
Differential Revision:	https://reviews.freebsd.org/D11959
2017-10-02 01:03:18 +00:00
Ian Lepore
c5765d84ac Allow Raspberry Pi platform and drivers to be configured with upstream DTBs.
- Added more compatibility strings to drivers not yet converted
 - Added new RPI platform code compatibility string to match the ones used
   upstream
 - Adapted RPI and RPI2 DTS to match the new platform code compatibility
   string

The goal is to use the upstream DTBs as a replacement for our custom one.
This is now possible with these changes.

Additionally, as the RPI firmware automatically chooses the right DTB for
us, this would allow to have one common armv6 kernel for RPI0 and RPI1
(BCM2835-based), and one common armv7 kernel for RPI2 v1.1 (BCM2836-based),
and RPI2 v1.2 / RPI3 (BCM2837-based).

Submitted by:	Sylvain Garrigues <sylgar@gmail.com>
Differential Revision:	https://reviews.freebsd.org/D12360
2017-10-02 00:49:33 +00:00
Ian Lepore
0bd904ed47 Work around bcm283x silicon bugs to make i2c repeat-start work for the most
common case where it's needed -- a write followed by a read to the same slave.

The i2c controller in this chip only performs complete transfers, it does
not provide control over start/repeat-start/stop operations on the bus.
Thus, we have gotten a full stop/start sequence rather than a repeat-start
when doing a typical i2c slave access of "write address, read data".  Some
i2c slave devices require a repeat-start to work correctly.

These changes cause the controller to do a repeat-start by pre-staging the
read parameters in the controller registers immediate after the controller
has latched the values for the initial write operation, but before any
bytes are actually written.  With the values pre-staged, when the write
portion of the transfer completes, the state machine in the silicon sees
a new start operation already staged and that causes it to perform a
repeat-start.  The key to tricking the buggy hardware into doing this is
to avoid prefilling any output data in the transmit FIFO so that it is
possible to catch the silicon in the state where transmit values are
latched but the transmit isn't completed yet.
2017-10-01 16:48:36 +00:00
Jared McNeill
2a811fc0b8 Disable/enable CSUM_UDP and CSUM_TCP along with CSUM_IP
Submitted by:		guyyur@gmail.com
Differential Revision:	https://reviews.freebsd.org/D12536
2017-09-30 10:35:44 +00:00
Jared McNeill
80e5f51916 Fix if_awg tx dma status reg offsets.
Submitted by:		guyyur@gmail.com
Differential Revision:	https://reviews.freebsd.org/D12535
2017-09-30 10:34:07 +00:00
Emmanuel Vadot
ff8241f7f0 a10_gpio: Enable all needed clocks
Do not enable only the first clock, enable them all.
2017-09-26 20:23:09 +00:00
Emmanuel Vadot
9980df7daa a10_ehci: Enable all clocks and reset
a10_ehci can have multiple clocks and reset, enable them all instead of
only the first one.
2017-09-26 19:21:43 +00:00
Emmanuel Vadot
de355bea02 aw_usbphy: Only reroute OTG for phy0
We only need to route OTG port to host mode on phy0 and if no VBUS
is present on the port, otherwise leave the port in periperal mode.
2017-09-26 19:20:50 +00:00
Emmanuel Vadot
1eca1d26fd aw_usbphy: Fix write of unknown register
Some SoC require a write to a unknown register to work corectly.
This write should be in the pmu region not in the phy ctrl one.

Reported by:	Mark Millard (markmi@dsl-only.net)
2017-09-26 19:19:44 +00:00
Andrew Turner
5493a64ac4 Remove the VIRT kernel config, it's now useable through GENERIC.
Sponsored by:	DARPA, AFRL
2017-09-24 13:28:24 +00:00
Andrew Turner
6b81683f9e Add i.MX6 and Xilinx to GENERIC.
Merge in the missing devices from the IMX6 and ZEDBOARD kernel configs. The
Freescale sdma device has been renamed to fslsdma to mark it as a platform
specific driver.

Reviewed by:	ian
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D11564
2017-09-24 09:33:08 +00:00
Ilya Bakulin
d91f1a1094 Rename sdhci_cam_start_slot() into sdhci_start_slot()
This change allows to just call sdhci_start_slot() in SDHCI drivers
and not to think about which stack handles the operation.

As a side effect, this will also fix MMCCAM with sdhci_acpi driver.

Approved by:	imp (mentor)
Differential Revision:	https://reviews.freebsd.org/D12471
2017-09-24 09:05:35 +00:00
John Baldwin
64f73a4c67 Detect NEON and set HWCAP_NEON if present.
Reviewed by:	andrew, ian
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D12389
2017-09-22 17:58:57 +00:00
John Baldwin
1e159074cb Correct HWCAP_VFP3* values to match Linux.
Reviewed by:	andrew, ian
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D12388
2017-09-22 17:57:38 +00:00
Olivier Houchard
4583315a06 Define CPU_XSCALE_CORE3 when relevant.
It was lost when cpuconf.h was deobirted.
2017-09-19 23:41:55 +00:00
Olivier Houchard
7ce16cd956 i81342 is little endian, not big endian. 2017-09-19 20:33:22 +00:00
Emmanuel Vadot
36dcd6a499 Allwinner usb phy: Rework resource allocation
The usbphy node for allwinner have two kind of resources, one for the
phy_ctrl and one per phy. Instead of blindy allocating resources, alloc
the phy_ctrl and pmu ones separately.
Also add a configuration struct for all different phy that hold the difference
between them (number of phys, unknow needed register write etc ...).

While here remove A83T code as upstream and FreeBSD dts don't have
nodes for USB.

This (plus 323640) re-enable OHCI on Pine64 on the bottom USB port.
The top USB port is routed to the OHCI0/EHCI0 which is by default in OTG mode.
While the phy code can handle the re-route to standard OHCI/EHCI we still need
a driver for musb to probe and configure it in host mode.

EHCI is still buggy on Pine64 (hang the board) so do not enable it for now.

Tested On:	Bananapi (A20), BananapiM2 (A31S), OrangePi One (H3) Pine64 (A64)
2017-09-16 15:58:20 +00:00
Emmanuel Vadot
489cba7d58 A64 CCUNG: Correct gate and reset for OHCI0/1
Reported by:	jmcneill
Pointy Hat:	manu
2017-09-16 15:50:31 +00:00
Emmanuel Vadot
082f09757c Allwinner: a10_gpio Fix panic on multiple lock
r323392 introduce gpio_pin_get/gpio_pin_set for a10_gpio driver.
When called via gpio method they must aquire the device lock while
when they are called via gpio_pin_configure the lock is already aquire.

Introduce a10_gpio_pin_{s,g}et_locked and call them in pin_gpio_configure
instead.

Tested On: BananaPi (A20)

Reported by:	Richard Puga richard@puga.net
2017-09-16 14:08:20 +00:00
Ilya Bakulin
02c474b481 Miscellaneous fixes and improvements to MMCCAM stack
* Demote the level of several debug messages to CAM_DEBUG_TRACE
 * Add detection for SDHC cards that can do 1.8V. No voltage switch sequence
   is issued yet;
 * Don't create a separate LUN for each SDIO function. We need just one to make
   pass(4) attach;
 * Remove obsolete mmc_sdio* files. SDIO functionality will be moved into the
   separate device that will manage a new sdio(4) bus;
 * Terminate probing if got no reply to CMD0;
 * Make bcm2835 SDHCI host controller driver compile with 'option MMCCAM'.

Approved by:	imp (mentor)
Differential Revision:	https://reviews.freebsd.org/D12109
2017-09-15 19:47:44 +00:00
John Baldwin
27efb0a242 Add a NT_ARM_VFP ELF core note to hold VFP registers for each thread.
The core note matches the format and layout of NT_ARM_VFP on Linux.
Debuggers use the AT_HWCAP flags to determine how many VFP registers
are actually used and their format.

Reviewed by:	mmel (earlier version w/o gcore)
MFC after:	1 month
Differential Revision:	https://reviews.freebsd.org/D12293
2017-09-14 15:07:48 +00:00