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This patch starts using all the configuration infrastructure.
- generic GPIO library is forced now
- sysreg GPIOs are used as MMC CD and WP information sources;
thanks to this MMCI auxiliary data is not longer necessary
- DVI muxer and mode control is removed from non-DT V2P-CA9 code
as this is now handled by the vexpress-dvi driver
- clock generators control is removed as is being handled by the
common clock driver now
- the sysreg and sysctl control is now delegated to the
appropriate drivers and all related code was removed
- NOR Flash set_vpp function has been removed as the control
bit used does _not_ control its VPP line, but the #WP signal
instead (which is de facto unusable in case of Linux MTD
drivers); this also allowed the remove its DT auxiliary
data
The non-DT code defines only minimal required number of
the config devices. Device Trees are updated to make use
of all new features.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
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This patch makes Versatile Express use the common clock framework
instead of the plat-versatile implementation.
It defines clock provider for VE's OSCs (clock generators) and
registers all required fixed and variable clock sources (for both
motherboard and core tile).
This is a simple conversion of the existing state and will be
extended (and migrated to drivers/clk) in the near future.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
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With recent enough motherboard firmware, core tile can be fitted
in either of the two daughterboard sites. The non-DT tile code for
V2P-CA9 did not check that when configuring DVI output nor setting
CLCD pixel clock.
Fixed now, providing "get master site" API in motherboard's code.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
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This patch adds generic Versatile Express DT machine description,
Device Tree description for the motherboard and documentation for
the bindings.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
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This patch gets rid of the MMIO_P2V and __MMIO_P2V macros,
defining constant virtual base for motherboard and tile
peripherals instead.
Additionally, in preparation for the new motherboard memory
map, the motherboard peripherals are using base pointers
calculated in runtime, instead of compile-time calculated
values.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
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The current Versatile Express BSP defines the MACHINE_START macro
in the core tile code.
This patch moves this into the generic board code and introduces a
method for determining the current tile at runtime, allowing the
Kernel to have support for multiple tiles compiled in. Tile-specific
functions are executed via a descriptor struct containing the correct
implementations for the current tile.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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