| Commit message (Collapse) | Author | Age |
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Enable more devices and options for XLP default configuration:
- Serial ports from FDT
- NOR Flash support and partitions from FDT
- PCI and PCI bus support and devices - SATA, e1000e, sky2
- I2C ocores controller and devices - ds1374, lm90
- Misc options such as RTC, partition formats etc.
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
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Provide a config option to embed a device tree for XLP evaluation
boards. This DTB will be used if the firmware does not pass in a
device tree pointer.
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Patchwork: http://patchwork.linux-mips.org/patch/4103/
Signed-off-by: John Crispin <blogic@openwrt.org>
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Add the serial ports to the device tree and remove the platform
code for adding them.
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Patchwork: http://patchwork.linux-mips.org/patch/4098/
Signed-off-by: John Crispin <blogic@openwrt.org>
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Add a basic DTS file netlogic/dts/nlm_xlp.dts which contains
memory, i2c devices, NOR flash and command line arguments.
Signed-off-by: Ganesan Ramalingam <ganesanr@broadcom.com>
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Patchwork: http://patchwork.linux-mips.org/patch/4100/
Signed-off-by: John Crispin <blogic@openwrt.org>
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Move the function device_tree_init() from netlogic/xlp/of.c
to setup.c, and remove the wrapper functions reserve_mem_mach()
and free_mem_mach().
Remove file netlogic/xlp/of.c, and the Makefile entry for it.
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Patchwork: http://patchwork.linux-mips.org/patch/4097/
Signed-off-by: John Crispin <blogic@openwrt.org>
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Previously we relied on the bootloader to have enabled this bit. However some
bootloaders seem to not enable this for us.
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4120/
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Besides the CPU and DDR PLLs, the CPU and DDR frequencies
can be derived from other PLLs in the SRIF block on the
AR934x SoCs. The current code does not checks if the SRIF
PLLs are used and this can lead to incorrectly calculated
CPU/DDR frequencies.
Fix it by calculating the frequencies from SRIF PLLs if
those are used on a given board.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: <stable@vger.kernel.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4324/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The current dividers in the code are wrong and this
leads to broken CPU frequency calculation on boards
where the fractional part is used.
For example, if the SoC is running from a 40MHz
reference clock, refdiv=1, nint=14, outdiv=0 and
nfrac=31 the real frequency is 579.375MHz but the
current code calculates 569.687MHz instead.
Because the system time is indirectly related to
the CPU frequency the broken computation causes
drift in the system time.
The correct divider is 2^6 for the CPU PLL and 2^10
for the DDR PLL. Use the correct values to fix the
issue.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: stable@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4305/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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While calculating the mac address the pointer for the current octet was
never reset back to the least significant one after being decremented
because of an octet overflow. This resulted in the code continuing to
increment at the current octet, potentially generating duplicate or
invalid mac addresses.
As a second issue the pointer was allowed to advance up to the most
significant octet, modifying the OUI, and potentially changing the type
of mac address.
Rewrite the code so it resets the pointer to the least significant
in each outer loop step, and bails out when the least significant octet
of the OUI is reached.
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Maxime Bizon <mbizon@freebox.fr>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Patchwork: https://patchwork.linux-mips.org/patch/4348/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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b01da9f1 ("MIPS: Prune some target specific code out of prom.c") removed
the generic implementation of device_tree_init, breaking the kernel
build when manually selecting USE_OF.
Hide the config symbol so it can't be selected acidentially anymore.
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/4346/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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git://git.linux-mips.org/pub/scm/sjhill/linux-sjhill into mips-for-linux-next
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The EXT and INS instructions can be used to decrease code size and
thus speed up TLB handlers on MIPS32R2 and MIPS64R2 cores.
Signed-off-by: Steven J. Hill <sjhill@mips.com>
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These are MIPS32R2 instructions for merging and extracting bit fields
from one GPR into another.
Signed-off-by: Steven J. Hill <sjhill@mips.com>
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The architecture specification says that an EHB instruction is
needed to avoid a hazard when writing TLB entries. However, some
cores do not have this hazard, and thus the EHB instruction causes
a costly pipeline stall. Detect these cores and do not use the EHB
instruction.
Signed-off-by: Steven J. Hill <sjhill@mips.com>
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When dealing with multiple VPEs, the count needs to be one-based
for correct initialization of the GIC.
Signed-off-by: Steven J. Hill <sjhill@mips.com>
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Each platform should define its own 'gic_finish_irq' function.
Signed-off-by: Steven J. Hill <sjhill@mips.com>
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Add support to use an external interrupt controller with the GIC.
Signed-off-by: Steven J. Hill <sjhill@mips.com>
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Fix whitespace, beautify the code and remove debug statements.
Signed-off-by: Steven J. Hill <sjhill@mips.com>
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The GIC interrupt code is used by multiple platforms and the
current code was half Malta dependent code. These changes
abstract away the platform specific differences.
Signed-off-by: Steven J. Hill <sjhill@mips.com>
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Change MIPS configuration files to add the SEAD-3. Also add
new default configuration file for a SEAD-3 kernel.
Signed-off-by: Steven J. Hill <sjhill@mips.com>
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More information about the SEAD-3 platform can be found at
<http://www.mips.com/products/development-kits/mips-sead-3/>
on MTI's site. Currently, the M14K family of cores is what
the SEAD-3 is utilised with.
Signed-off-by: Douglas Leung <douglas@mips.com>
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Steven J. Hill <sjhill@mips.com>
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Signed-off-by: Steven J. Hill <sjhill@mips.com>
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git://git.linux-mips.org/pub/scm/sjhill/linux-sjhill into mips-for-linux-next
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Remove usage of the 'kernel_uses_smartmips_rixi' macro from all files
and use new 'cpu_has_rixi' instead.
Signed-off-by: Steven J. Hill <sjhill@mips.com>
Acked-by: David Daney <david.daney@cavium.com>
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Originally both Read Inhibit (RI) and Execute Inhibit (XI) were
supported by the TLB only for a SmartMIPS core. The MIPSr3(TM)
Architecture now defines an optional feature to implement these
TLB bits separately. Support for one or both features can be
checked by looking at the Config3.RXI bit.
Signed-off-by: Steven J. Hill <sjhill@mips.com>
Acked-by: David Daney <david.daney@cavium.com>
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mips-for-linux-next
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Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Reviewed-by: Jonas Gorski <jonas.gorski@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4111/
Signed-off-by: John Crispin <blogic@openwrt.org>
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Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4084/
Signed-off-by: John Crispin <blogic@openwrt.org>
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OHCI/EHCI are in the high (second) word. Not currently used by any
driver.
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4026/
Signed-off-by: John Crispin <blogic@openwrt.org>
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The USB 2.0 device depends on some functionality in other blocks, such
as GPIO and USBH. Add those register definitions here.
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4025/
Signed-off-by: John Crispin <blogic@openwrt.org>
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Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4083/
Signed-off-by: John Crispin <blogic@openwrt.org>
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The "IUDMA" engine used by bcm63xx_enet is also used by other blocks,
such as the USB 2.0 device. Move the definitions into a common file so
that they do not need to be duplicated in each driver.
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4082/
Signed-off-by: John Crispin <blogic@openwrt.org>
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Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4022/
Signed-off-by: John Crispin <blogic@openwrt.org>
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4173/
Signed-off-by: John Crispin <blogic@openwrt.org>
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4172/
Signed-off-by: John Crispin <blogic@openwrt.org>
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This improves code readability, and ensures that
all resource fields will be initialized correctly.
Additionally, it helps to reduce the size of the
kernel image by using uninitialized resource
variables.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4171/
Signed-off-by: John Crispin <blogic@openwrt.org>
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mips-for-linux-next
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The gpio_chip struct allows us to set a .to_irq callback. Once this is set
we can rely on the generic __gpio_to_irq() function to map gpio->irq allowing
more than one gpio_chip to register an interrupt
Signed-off-by: John Crispin <blogic@openwrt.org>
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Implement support for pinctrl on lantiq/falcon socs. The FALCON has 5 banks
of up to 32 pins.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
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Implement support for pinctrl on lantiq/xway socs. The IO core found on these
socs has the registers for pinctrl, pinconf and gpio mixed up in the same
register range. As the gpio_chip handling is only a few lines, the driver also
implements the gpio functionality. This obseletes the old gpio driver that was
located in the arch/ folder.
Signed-off-by: John Crispin <blogic@openwrt.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
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Lantiq socs have a General Purpose Timer Unit (GPTU). This driver allows us to
initialize the timers. The voice firmware needs these timers as a reference.
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4236/
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The xrx200 SoC family has the same PCI clock register layout as the AR9.
Enable the same quirk as for AR9
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4235/
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As a result of a non populated ->bits field inside the clock struct, the clock
domains were never powered on the Falcon. Until now we only used domains that
were also used and powered by the bootloader.
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4234/
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Register nmi and ejtag bootrom vectors for FALC-ON SoC.
Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4238/
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Support for the external interrupt unit was broken when the code was converted
to devicetree support.
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4231/
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We dont want to register the irq_chip for the MIPS IRQ cascade.
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4230/
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The SVIP SoC has its timer IRQ on a different IRQ than 7. Fix up the irq
code to be able to handle this.
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4229/
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Up to now all our SoCs had the 5 IM ranges in a consecutive order. To accomodate
the SVIP we need to support IM ranges that are scattered inside the register range.
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4237/
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git://git.linux-mips.org/pub/scm/daney/upstream-daney into mips-for-linux-next
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