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2015-09-03MIPS: Octeon: Initialize CN68XX PKOJanne Huttunen1-5/+144
CN68XX requires a different PKO configuration. This patch provides just enough setup to get the XAUI interfaces on CN6880 working with default parameters. Signed-off-by: Janne Huttunen <janne.huttunen@nsn.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: David Daney <david.daney@cavium.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: Janne Huttunen <janne.huttunen@nokia.com> Cc: Aaro Koskinen <aaro.koskinen@nokia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Patchwork: https://patchwork.linux-mips.org/patch/10974/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03STAGING: Octeon: Support CN68XX style WQEJanne Huttunen5-98/+304
CN68XX has a bit different WQE structure. This patch provides the new definitions and converts the code to use the proper variant based on the actual model. Signed-off-by: Janne Huttunen <janne.huttunen@nokia.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: David Daney <david.daney@cavium.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: Janne Huttunen <janne.huttunen@nokia.com> Cc: Aaro Koskinen <aaro.koskinen@nokia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Patchwork: https://patchwork.linux-mips.org/patch/10973/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03STAGING: Octeon: Increase output command buffersJanne Huttunen1-1/+1
The Octeon II models have more interfaces and thus require more output command buffers. Increase the allocation to support these models. Signed-off-by: Janne Huttunen <janne.huttunen@nokia.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: David Daney <david.daney@cavium.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: Janne Huttunen <janne.huttunen@nokia.com> Cc: Aaro Koskinen <aaro.koskinen@nokia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Patchwork: https://patchwork.linux-mips.org/patch/10965/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03STAGING: Octeon: Set SSO group mask properly on CN68XXAaro Koskinen1-4/+17
CN68XX uses SSO instead of POW. Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: David Daney <david.daney@cavium.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: Janne Huttunen <janne.huttunen@nokia.com> Cc: Aaro Koskinen <aaro.koskinen@nokia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Patchwork: https://patchwork.linux-mips.org/patch/10966/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03STAGING: Octeon: Properly enable/disable SSO WQE interruptsAaro Koskinen2-16/+43
The Octeon models with SSO instead of POW need to use a different register for configuring the WQE interrupt thresholds. Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: David Daney <david.daney@cavium.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: Janne Huttunen <janne.huttunen@nokia.com> Cc: Aaro Koskinen <aaro.koskinen@nokia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Patchwork: https://patchwork.linux-mips.org/patch/10964/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03MIPS: Octeon: Add definitions for setting up SSOJanne Huttunen1-0/+29
Some Octeon II models have SSO instead of POW and use a different register for setting the interrupt thresholds. Add the necessary definitions for configuring the interrupts also on those models. Signed-off-by: Janne Huttunen <janne.huttunen@nokia.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: David Daney <david.daney@cavium.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: Janne Huttunen <janne.huttunen@nokia.com> Cc: Aaro Koskinen <aaro.koskinen@nokia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Patchwork: https://patchwork.linux-mips.org/patch/10972/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03MIPS: Octeon: Configure minimum PKO packet sizes on CN68XXJanne Huttunen1-0/+15
CN68XX has common minimum packet size filters that need to be configured for the traffic to work. Just set them to a default value. Signed-off-by: Janne Huttunen <janne.huttunen@nokia.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: David Daney <david.daney@cavium.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: Janne Huttunen <janne.huttunen@nokia.com> Cc: Aaro Koskinen <aaro.koskinen@nokia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Patchwork: https://patchwork.linux-mips.org/patch/10963/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03MIPS: Octeon: Configure XAUI pkindsJanne Huttunen1-0/+7
Configure the pkinds of XAUI interfaces on Octeon models that have them. This simple configuration uses 1:1 mapping between the PIP input port number and the selected pkind. Signed-off-by: Janne Huttunen <janne.huttunen@nokia.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: David Daney <david.daney@cavium.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: Janne Huttunen <janne.huttunen@nokia.com> Cc: Aaro Koskinen <aaro.koskinen@nokia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Patchwork: https://patchwork.linux-mips.org/patch/10971/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03MIPS: Octeon: Support all PIP input ports on CN68XXJanne Huttunen1-1/+1
CN68XX has 48 PIP input ports. Signed-off-by: Janne Huttunen <janne.huttunen@nokia.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: David Daney <david.daney@cavium.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: Janne Huttunen <janne.huttunen@nokia.com> Cc: Aaro Koskinen <aaro.koskinen@nokia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Patchwork: https://patchwork.linux-mips.org/patch/10969/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03MIPS: Octeon: Support additional interfaces on CN68XXJanne Huttunen1-0/+2
CN68XX has 9 interfaces. Signed-off-by: Janne Huttunen <janne.huttunen@nokia.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: David Daney <david.daney@cavium.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: Janne Huttunen <janne.huttunen@nokia.com> Cc: Aaro Koskinen <aaro.koskinen@nokia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Patchwork: https://patchwork.linux-mips.org/patch/10968/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03MIPS: Octeon: Fix CN6880 hang on XAUI initJanne Huttunen1-1/+6
Some CN68XX series Octeon II chips seem to hang if a reset is issued on XAUI initialization. Avoid the hang by disabling the reset on affected models. Tested on Cavium EBB6800 evaluation board and Kontron S1901 board. Signed-off-by: Janne Huttunen <janne.huttunen@nokia.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: David Daney <david.daney@cavium.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: Janne Huttunen <janne.huttunen@nokia.com> Cc: Aaro Koskinen <aaro.koskinen@nokia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Patchwork: http://patchwork.linux-mips.org/patch/10970/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03MIPS: pistachio: Allow to enable the external timer based clocksourceEzequiel Garcia2-0/+14
This commit introduces a new config, so the user can choose to enable the General Purpose Timer based clocksource. This option is required to have CPUFreq support. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com> Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: devicetree@vger.kernel.org Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andrew Bresticker <abrestic@chromium.org> Cc: James Hartley <James.Hartley@imgtec.com> Cc: Govindraj Raja <Govindraj.Raja@imgtec.com> Cc: Damien Horsley <Damien.Horsley@imgtec.com> Cc: James Hogan <James.Hogan@imgtec.com> Cc: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Cc: Ezequiel Garcia <ezequiel.garcia@imgtec.com> Patchwork: http://patchwork.linux-mips.org/patch/10887/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03CLOCKSOURCE: Add Pistachio clocksource-only driverEzequiel Garcia3-0/+222
The Pistachio SoC provides four general purpose timers, and allow to implement a clocksource driver. This driver can be used as a replacement for the MIPS GIC and MIPS R4K clocksources and sched clocks, which are clocked from the CPU clock. Given the general purpose timers are clocked from an independent clock, this new clocksource driver will be useful to introduce CPUFreq support for Pistachio machines. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com> Signed-off-by: Govindraj Raja <govindraj.raja@imgtec.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: Andrew Bresticker <abrestic@chromium.org> Cc: James Hartley <James.Hartley@imgtec.com> Cc: Damien Horsley <Damien.Horsley@imgtec.com> Cc: James Hogan <James.Hogan@imgtec.com> Cc: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Cc: Ezequiel Garcia <ezequiel.garcia@imgtec.com> Patchwork: https://patchwork.linux-mips.org/patch/10899/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>