- 06 Aug, 2013 6 commits
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Magnus Damm authored
Use shared SCU code on sh73a0 for SMP boot. Signed-off-by:
Magnus Damm <damm@opensource.se> Signed-off-by:
Simon Horman <horms+renesas@verge.net.au>
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Magnus Damm authored
Add SMP boot functions for SCU equipped mach-shmobile SoCs. At this point shmobile_smp_scu_prepare_cpus() controls the SCU and installs boot fn and arg, while shmobile_smp_scu_boot_secondary() currently does nothing. In the future the boot function and arg install code will be reworked, so the empty function is ground work for that. Signed-off-by:
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Laurent Pinchart authored
Signed-off-by:
Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by:
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Simon Horman authored
Now that Ether support has been added to the lager board it is possible to use nfsroot. This configuration is in line with that of other shmobile boards. Acked-by:
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by:
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Kuninori Morimoto authored
Current Marzen is using DT booting, and r8a7779.dtsi already has GIC settings. So, we can remove the C version of the GIC setup code, instead rely on GIC information provided by DT. Signed-off-by:
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Kuninori Morimoto authored
Current Armadillo800eva is using DT booting, and r8a7740.dtsi already has GIC settings. So, we can remove the C version of the GIC setup code, instead rely on GIC information provided by DT. This patch removes r8a7740_init_irq() which has no user any more Signed-off-by:
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- 05 Aug, 2013 1 commit
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Laurent Pinchart authored
The shmobile DT files available in the kernel are reference implementations intended to be used as sample code, as well as for development. As such, it makes sense to mount the root file system in read/write mode by default. Signed-off-by:
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- 31 Jul, 2013 3 commits
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Magnus Damm authored
Add PMU information to emev2.dtsi. With this included KZM9D DT reference may use the PMU. Signed-off-by:
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Magnus Damm authored
Add PMU information to sh73a0.dtsi. With this included KZM9G DT reference may use the PMU. Signed-off-by:
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Magnus Damm authored
Add PMU information to r8a7740.dtsi. With this included Armadillo800eva DT reference may use the PMU. Signed-off-by:
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- 30 Jul, 2013 4 commits
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Simon Horman authored
Remove r8a7779 specific ->smp_init_cpus() callback and instead of relying on shmobile_smp_init_cpus() simply use DT for CPU core information. Based on work for the sh73a0 by Magnus Damm. Acked-by:
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Magnus Damm authored
Convert the marzen board to use DT_MACHINE_START. With this in place all mach-shmobile boards use DT_MACHINE_START. Also, this makes it possible for the r8a7779 SMP code to use DT for CPUs. Signed-off-by:
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Simon Horman authored
This is in preparation for converting the marzen board to use DT_MACHINE_START. Acked-by:
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Guennadi Liakhovetski authored
PFC pinctrl configuration can now be performed via DT. Update ape6evm-reference to use this. Signed-off-by:
Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com> Acked-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
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- 26 Jul, 2013 2 commits
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Magnus Damm authored
Remove sh73a0 specific ->smp_init_cpus() callback and instead of relying on shmobile_smp_init_cpus() simply use DT for CPU core information. This assumes that DT_MACHINE_START is used which is the case when AG5EVM and Kota2 are removed. Signed-off-by:
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Kuninori Morimoto authored
This patch adds a sample DT-based Bock-W "reference" implementation. The use of platform-specific C-code should be avoided with this configuration as much as possible. This patch adds new r8a7778_add_dt_devices() which was same stance of r8a7790_add_dt_devices() Acked-by:
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- 23 Jul, 2013 1 commit
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Laurent Pinchart authored
LED6 to LED8 are GPIO LEDs. Add corresponding DT nodes. Signed-off-by:
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- 17 Jul, 2013 23 commits
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Magnus Damm authored
Update the Lager DT reference code to get rid of the redundant irqchip header and also make lager_add_standard_devices() static. Signed-off-by:
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Simon Horman authored
This is sufficient to allow boot of the Lager board with a console without boards-lager.c compiled into the kernel. This is an example of a minimal but still useful initialisation of the board using DT as much as possible. As such it is the same as the boot of Lager that can be achieved without a board file. The intention of adding this file is to facilitate further work to allow board specific devices to be initialised via DT. Acked-by:
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Guennadi Liakhovetski authored
Add CPUFreq support to ape6evm-reference, using a max8973 regulator, that is supplying V_DVFS for the 4 CA15 cores on r8a73a4. Signed-off-by:
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Guennadi Liakhovetski authored
This patch adds a sample DT-based APE6EVM "reference" implementation. The use of platform-specific C-code should be avoided with this configuration as much as possible. Signed-off-by:
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Magnus Damm authored
Update the r8a7790 arch timer setup code to configure the frequency dynamically at boot time. This means that the arch timer driver will be able to detect a timer frequency that has been calculated based on the MD pins instead of a fixed and potentially incorrect 13 MHz. With this patch applied the Linux kernel will correctly support the r8a7790 Lager board that uses a 20 Mhz EXTAL. The arch timer will operate on 10 MHz and the Linux arch timer driver will be correctly configured to use 10 MHz. Without this patch the 20 MHz EXTAL will be used to drive the arch timer at 10 MHz, but the Linux arch timer driver will believe it is counting at 13 Mhz. Reported-by:
Ulrich Hecht <ulrich.hecht@gmail.com> Signed-off-by:
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Magnus Damm authored
Break out the r8a7790 boot mode code into a separate function so it can be shared by multiple users. Signed-off-by:
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Guennadi Liakhovetski authored
Add DMA channel slave IDs and configuration entries for the r8a7740 MMCIF controller. Signed-off-by:
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Magnus Damm authored
Update the EMEV2 SMP code to access the SMU directly instead of relying on help from the legacy clock code. This change moves us one step closer to common clocks. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Magnus Damm authored
Update the r8a73a4 code to allow using other timers than Arch timer for clock event Signed-off-by:
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Magnus Damm authored
Add clock event support for CMT1 timer channel 0 to the r8a73a4 SoC code. The CMT is used together with a 32KHz clock in this case. Signed-off-by:
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Magnus Damm authored
Update the r8a7790 code to allow using other timers than Arch timer for clock events. Signed-off-by:
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Magnus Damm authored
Add clock event support for CMT0 timer channel 0 to the r8a7790 SoC code. On most ARM mach-shmobile the CMT is hooked up to a 32KHz clock but on r8a7790 a 31.7KHz clock is instead used. Signed-off-by:
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Magnus Damm authored
The r8a7790 MSTP bits should be kept sorted in the same way as on other mach-shmobile SoCs. Move the HSCIF and thermal bits to clean up the current state. Signed-off-by:
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Guennadi Liakhovetski authored
r8a73a4 SoCs have numerous I2C controllers, of which 9 are compatible with the i2c-sh_mobile.c driver. This patch adds clock definitions for them. Signed-off-by:
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Guennadi Liakhovetski authored
The Z2 clock on r8a73a4 is used to clock the 4 Cortex A7 cores on the SoC. Add a definition for this clock to later use it from the arm_big_little CPUFreq driver. Signed-off-by:
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Guennadi Liakhovetski authored
clk_set_rate() should only be called with exact rates, returned by clk_round_rate(). However, it is still good to verify, that the value, passed to clock's .set_rate() method is at least valid. This patch adds such a check for the Z-clock on r8a73a4. Signed-off-by:
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Guennadi Liakhovetski authored
This patch adds support for the Z-clock on r8a73a4 SoCs, which is driving the Cortex A15 core, and a "cpufreq-cpu0" platform device. Adding an "operating-points" property to the CPU0 DT node and a regulator, this patch allows platforms to use the generic cpufreq-cpu0 driver to use SoC's DVFS capabilities. Signed-off-by:
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Guennadi Liakhovetski authored
To reconfigure clocks, controlled by FRQCRA and FRQCRB, a kick bit has to be set and to make sure the setting has taken effect, it has to be read back repeatedly until it is cleared by the hardware. This patch adds the waiting part, that was missing until now. Acked-by:
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Simon Horman authored
The current temperature may be read using: cat /sys/class/thermal/thermal_zone0/temp Based on similar work for the r8a73a4 by Kuninori Morimoto. Acked-by:
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Simon Horman authored
Acked-by:
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Magnus Damm authored
Add support for the SMSC ethernet controller found on the KZM9D board to the KZM9D DT Reference code. Signed-off-by:
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Magnus Damm authored
Add a DT reference implementation for the KZM9D board. Only DT devices are used in this case. UART, STI, GPIO and SMP / GIC are all provided by emev2.dtsi. There is still a board specific C file used for enabling legacy SH clocks. This file will be removed after we have moved over to common clocks. Signed-off-by:
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Guennadi Liakhovetski authored
This adds DT templates for all MMCIF and SDHI controllers on r8a7790. They are added with status="disabled". To use them platform-specific DTs have to enable the required ones. Signed-off-by:
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