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Here are some Sascha Hauer's arguments for using aliases in the dts
files:
- using aliases reduces the number of indentations in dts files;
- dts files become independent of the layout of the dtsi files
(it becomes possible to introduce another bus {} hierarchy between
a toplevel bus and the devices when you have to);
- less chances for typos. if &i2c2 does not exist you get an error.
If instead you duplicate the whole path in the dts file a typo
in the path will just create another node.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Cc: Alban Bedel <albeu@free.fr>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12873/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The TP-LINK TL-WR1043ND board has only one serial port,
so replacing the default of 0 with 0 does nothing useful.
Moreover, the correct name for aliases node is "aliases" not "alias".
An overview of the "aliases" node usage can be found
on the device tree usage page at devicetree.org [1].
Also please see chapter 3.3 ("Aliases node") of the ePAPR 1.1 [2].
[1] http://devicetree.org/Device_Tree_Usage#aliases_Node
[2] https://www.power.org/documentation/epapr-version-1-1/
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Acked-by: Alban Bedel <albeu@free.fr>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12872/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Now it is possible to build in no device tree at all and depend on the
boot loader providing one or someone concatenating a device tree to the
end of the image.
This was copied from arch/mips/bmips/Kconfig
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: John Crispin <john@phrozen.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12899/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This fetches the device tree file like it is specified in the MIPS UHI
interface if one was found. This is also used when the device tree file
was appended to the kernel image with cat.
This code is copied from arch/mips/bmips/setup.c.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: John Crispin <john@phrozen.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12898/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Add DTS for EdgeRouter Lite that is usable as is without any "pruning"
with APPENDED_DTB.
Compared to builtin generic DTB, we can avoid errors and delays from
probing non-existent I2C devices.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Add DTS for D-Link DSR-1000N that is usable as is without any "pruning"
with APPENDED_DTB. Split out the common parts from octeon_3xxx.dts
into octeon_3xxx.dtsi.
Compared to builtin generic DTB, we can specificy fixed links properly
and avoid probing non-existent I2C devices.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: David Daney <ddaney.cavm@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12840/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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MIPS wants to sleep 5 seconds before panicking when panic_on_oops is set,
with no apparent reason. Remove this feature, since some users may want
their systems to fail as quickly as possible.
Users who want to delay reboot after panic can use PANIC_TIMEOUT.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-mips@linux-mips.org
Cc: linux-parisc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12845/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Broadcom ARM home routers store SPROM content in NVRAM just like MIPS
ones. To share SPROM code we need to move it out of arch/mips/ to some
common place. We already have bcm47xx_nvram in firmware path and SPROM
should fit there as well.
This driver is responsible for parsing SoC configuration data into a
struct shared between ssb and bcma buses.
This was tested with BCM4706 & BCM5357C0 (BCM47XX) and BCM4708A0
(ARCH_BCM_5301X).
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12210/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The reset_ops structure is never modified. Make it const.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: John Crispin <john@phrozen.org>
Cc: linux-mips@linux-mips.org
Cc: kernel@pengutronix.de
Patchwork: https://patchwork.linux-mips.org/patch/12618/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The reset_ops structure is never modified. Make it const.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: John Crispin <john@phrozen.org>
Cc: linux-mips@linux-mips.org
Cc: kernel@pengutronix.de
Patchwork: https://patchwork.linux-mips.org/patch/12619/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Fill MAC addresses from bootinfo when using appended DTB.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12590/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Don't fill MAC address if it's already set. This allows DTB to
override the bootinfo.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12589/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Use separate pass to fill MAC addresses. This is needed because we want
to do this also for the appended DTB.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12588/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Use model string from DTB for board type if the board is unknown.
This is more informative, e.g. with EdgeRouter Pro the /proc/cpuinfo
will display "ubnt,e200 (CN6120p1.1-1000-NSP)" instead of misleading
"Unsupported Board".
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: David Daney <ddaney.cavm@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12582/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Initialize system type string after device tree init.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: David Daney <ddaney.cavm@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12583/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Return NULL for unsupported board.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: David Daney <ddaney.cavm@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12581/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Use the trigger type passed in to the function instead of reading it
back out of the irq_data.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12501/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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OCTEON chips with the CIU3 interrupt controller use a different IPI
mechanism that previous models.
Add plat_smp_ops for the cn78xx and probing code to choose between the
two types of ops.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12499/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Add irq_chip support for both IPI and "normal" interrupts of the CIU3
controller. Document the device tree binding for the CIU3.
Some functions are non-static as they will be used by follow-on
support for MSI-X.
Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12500/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Attempts to read the nonexistent registers results in bus errors.
Either use registers that exist, or don't do the access as appropriate.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12502/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Follow on patchs need to be able to distinguish the new models.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12498/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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These new members of the OCTEON III family have some new registers,
update some of the definitions for use in follow on patches.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12497/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Per the subject, always select HANDLE_DOMAIN_IRQ, and implement
set_irq_regs() so that it actually works.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12496/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Follow-on patches for OCTEON III will increase the number of irqs to
potentially more than 256.
Increase the width of the octeon_irq_ciu_to_irq to int to be able to
handle this case. Remove the hacky code that verified that u8 would
not be overflowed.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12495/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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To support more than 48 CPUs, the bootinfo structure grows a new
coremask structure. Add the definition of the structure and add it to
struct cvmx_bootinfo. In prom_init(), copy the new coremask data into
the sysinfo structure, and use it in smp_setup().
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12319/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Get rid of the long unused code.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12318/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Add new processor identifiers for Cavium CN73xx and CNF75xx
processors, and probe for them in cpu-probe.c
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12311/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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It was calling flush_cache_all() which is a no-op since a long time anyway
and which was overkill in the old days when it was actually doing something
because only the D-cache needs to be flushed, never the I-cache, never
the S-cache. Since however highmem on MIPS is still only supported on
processors that don't suffer from cache aliases, we could turn
flush_cache_kmaps() into a no-op - but for paranoia's sake we rather make
it BUG_ON(cpu_has_dc_aliases()).
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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flush_cache_all() is a nop and loongson 3 is fully coherent.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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It's probably a good idea to flush caches before reset and by the time
this code was written flush_cache_all did actually still do something.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Flushing caches is probably sensible on reset but flush_cache_all has been
a no-op for a very long time.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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flush_cache_all will go away.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Don't set _machine_restart() on OF machines as the reset driver
now provides a system restart handler.
Signed-off-by: Alban Bedel <albeu@free.fr>
Cc: Felix Fietkau <nbd@openwrt.org>
Cc: Antony Pavlov <antonynpavlov@gmail.com>
Cc: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12235/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Reuse the early printk code to support the serial in zboot. We copy
early_printk.c instead of referencing it because we need to build a
different object file for the normal kernel and zboot.
Signed-off-by: Alban Bedel <albeu@free.fr>
Cc: Andrew Bresticker <abrestic@chromium.org>
Cc: Alex Smith <alex.smith@imgtec.com>
Cc: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12234/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Now that appended DTB is usable we can drop the builtin DTB support.
Signed-off-by: Alban Bedel <albeu@free.fr>
Cc: Felix Fietkau <nbd@openwrt.org>
Cc: Antony Pavlov <antonynpavlov@gmail.com>
Cc: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12231/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This is needed for bootloader supporting UHI and to support appended
DTB.
Signed-off-by: Alban Bedel <albeu@free.fr>
Cc: Felix Fietkau <nbd@openwrt.org>
Cc: Antony Pavlov <antonynpavlov@gmail.com>
Cc: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12230/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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A couple of netlogic assembly files define CP0_EBASE to $15, the same as
CP0_PRID in mipsregs.h, and use it for accessing both CP0_PRId and
CP0_EBase registers. However commit 609cf6f2291a ("MIPS: CPS: Early
debug using an ns16550-compatible UART") added a different definition of
CP0_EBASE to mipsregs.h, which included a register select of 1. This
causes harmless build warnings like the following:
arch/mips/netlogic/common/reset.S:53:0: warning: "CP0_EBASE" redefined
#define CP0_EBASE $15
^
In file included from arch/mips/netlogic/common/reset.S:41:0:
./arch/mips/include/asm/mipsregs.h:63:0: note: this is the location of the previous definition
#define CP0_EBASE $15, 1
^
Update the code to use the definitions from mipsregs.h for accessing
both registers.
Fixes: 609cf6f2291a ("MIPS: CPS: Early debug using an ns16550-compatible UART")
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/13183/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Update the recent changes to set_pte() that were added in 46011e6ea392
to handle R10000_LLSC_WAR, and format the assembly to match other areas
of the MIPS tree using the same WAR.
This also incorporates a patch recently sent in my Markos Chandras,
"Remove local LL/SC preprocessor variants", so that patch doesn't need
to be applied if this one is accepted.
Signed-off-by: Joshua Kinard <kumba@gentoo.org>
Fixes: 46011e6ea392 ("MIPS: Make set_pte() SMP safe.)
Cc: David Daney <david.daney@cavium.com>
Cc: Linux/MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/11103/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Inspired by Markos Chandras' patch. I just didn't want do pull bitsops.h
into pgtable.h.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
References: https://patchwork.linux-mips.org/patch/11052/
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Building an MSA capable kernel with a toolchain that supports MSA
produces warnings such as this:
arch/mips/kernel/r4k_fpu.S:229: Warning: the `msa' extension requires 64-bit FPRs
This is due to ".set msa" without ".set fp=64" in the non doubleword MSA
load/store macros, since MSA requires the 64-bit FPU registers (FR=1).
Add the missing fp=64 in these macros to silence the warnings.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/13063/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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When lockdep is enabled on a 64-bit kernel the FPR offset into the
thread structure exceeds the maximum range of the MSA ld.d/st.d
instructions. For example THREAD_FPR31 = 4644 (instead of 2448), while
the signed immediate field is only 10 bits with an implicit multiply by
8, giving a maximum offset of 511*8 = 4088.
This isn't a problem when the toolchain doesn't support MSA as the
ld_*/st_* macros perform the addition separately into $1 with [d]addui
which has a 16bit signed immediate field.
Fix the case where the toolchain does support MSA by doing a single
addition of THREAD_FPR0 into $1 with [d]addui, and doing the ld_*/st_*
relative to that.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/13064/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The MSA ld_*/st_* assembler macros for when the toolchain doesn't
support MSA use addu to offset the base address. However it is a virtual
memory pointer so fix it to use PTR_ADDU which expands to daddu for
64-bit kernels.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: <stable@vger.kernel.org> # 4.3.y-
Patchwork: https://patchwork.linux-mips.org/patch/13062/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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In revision 1.12 of the MSA specification, the copy_u.w instruction has
been removed for MIPS32 & the copy_u.d instruction has been removed for
MIPS64. Newer toolchains (eg. Codescape SDK essentials 2015.10) will
complain about this like so:
arch/mips/kernel/r4k_fpu.S:290: Error: opcode not supported on this
processor: mips32r2 (mips32r2) `copy_u.w $1,$w26[3]'
Since we always copy to the width of a GPR, simply use copy_s instead of
copy_u to fix this.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: <stable@vger.kernel.org> # 4.3.x+
Patchwork: https://patchwork.linux-mips.org/patch/13061/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This complements commit 8c56208aff77 ("MIPS: lib: memset: Add MIPS R6
support").
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12452/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Error recovery pointers for fixups was improperly set as ".word"
which is unsuitable for MIPS64.
Replaced by STR(PTR)
[ralf@linux-mips.org: Apply changes as requested in the review process.]
Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Reviewed-by: Markos Chandras <markos.chandras@imgtec.com>
Fixes: b0a668fb2038 ("MIPS: kernel: mips-r2-to-r6-emul: Add R2 emulator for MIPS R6")
Cc: macro@linux-mips.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: <stable@vger.kernel.org> # 4.0+
Patchwork: https://patchwork.linux-mips.org/patch/9911/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch ensures that the dev parameter is checked for NULL before it
is dereferenced in massage_gfp_flags. If dev is NULL, then fall back
setting the GFP flag requested and available.
Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/11919/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Use boot_cpu_type() instead of current_cpu_type() in oprofile_arch_init()
to avoid the below warning, cpu_type is normally consistent in a MIPS SMP
system. There are a few exceptions such as SGI servers where it is
possible to mix R10000, R12000, R14000 and R16000 within certain
constraints. Let's not worry about those now.
BUG: using smp_processor_id() in preemptible [00000000] code: insmod/952
caller is oprofile_arch_init+0x30/0x194 [oprofile]
CPU: 5 PID: 952 Comm: insmod Not tainted 4.1.13-WR8.0.0.0_standard #1
Stack : ffffffff80c10000 0000000000000001 8000000025bf0790 ffffffff80e10000
ffffffff80e50000 ffffffff80254e2c ffffffff80b64428 ffffffff80e10790
0000000000000000 ffffffff801caeb8 0000000000000045 0000000000000005
ffffffff80c10000 ffffffff801cb798 0000000000000000 ffffffff80e30000
0000000000000000 ffffffff801ff1c0 ffffffff80e2d2f8 000000000000000b
ffffffff801cbba0 ffffffff80e107b0 ffffffff80a77828 0000000000000005
00000000000003b8 ffffffff80e2d2f8 800000040ad39960 ffffffff801f9950
0000000000000124 80000004093b7990 80000004093b7ab8 ffffffff80925108
ffffffff80b69a07 ffffffff80a6f0d0 8000000407240e00 ffffffff801cc934
000000000000005d ffffffff80159080 0000000000000005 00000000000003b8
...
Call Trace:
[<ffffffff80159080>] show_stack+0xe8/0x108
[<ffffffff80925108>] dump_stack+0x8c/0xd8
[<ffffffff80606570>] check_preemption_disabled+0x110/0x118
[<ffffffffc0086104>] oprofile_arch_init+0x30/0x194 [oprofile]
[<ffffffffc008602c>] oprofile_init+0x2c/0xc0 [oprofile]
[<ffffffff80100550>] do_one_initcall+0xa0/0x1c0
[<ffffffff80921e04>] do_init_module+0x80/0x1d8
[<ffffffff801fd0d4>] load_module+0x1b74/0x2278
[<ffffffff801fdab4>] SyS_finit_module+0xcc/0xf0
[<ffffffff80165884>] handle_sysn32+0x44/0x70
[ralf@linux-mips.org: Correct commit message.]
Signed-off-by: Yanjiang Jin <yanjiang.jin@windriver.com>
Cc: rric@kernel.org
Cc: jinyanjiang@gmail.com
Cc: linux-mips@linux-mips.org
Cc: oprofile-list@lists.sf.net
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11769/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Commit d5ece1cb074b2c ("Fix ld-version.sh to handle large 3rd version
part") modifies the ld version description. This causes a build error
on Loongson-3, so fix it.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Steven J . Hill <sjhill@realitydiluted.com>
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: linux-mips@linux-mips.org
Cc: stable@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12890/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Due to datasheet, reserving 0xff800000~0xffffffff (8MB below 4GB) is
not enough for RS780E integrated GPU's TOM (top of memory) registers
and MSI/MSI-x memory region, so we reserve 0xfe000000~0xffffffff (32MB
below 4GB).
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Steven J . Hill <sjhill@realitydiluted.com>
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: stable@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12889/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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After commit 92923ca3aacef63c92d ("mm: meminit: only set page reserved
in the memblock region"), the MIPS hibernation is broken. Because pages
in nosave data section should be "reserved", but currently they aren't
set to "reserved" at initialization. This patch makes hibernation work
again.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Steven J . Hill <sjhill@realitydiluted.com>
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: stable@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12888/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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