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Historically (for compatibility with very old platforms), two
different types of micro support cards have been used with the
UniPhier SoC development boards. It has been painful to maintain
both. Having one of them is enough.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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These input enable settings are handled by the pinctrl drivers.
Because the external bus pins are input-enabled by default, on-board
devices such as LED still work fine even with this delayed input
enabling.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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As the UniPhier serial driver had already switched to Drive Model
and the pinctrl drivers are now enabled, these pin-muxing settings
are properly handled by the pinctrl drivers.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Device Tree really improves code maintainability and is now
available for SPL too.
This is the state-of-the-art implementation in U-boot.
The board files (platform data) are no longer needed.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
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The UniPhier platform is going to enable Driver Model and UART
support on SPL. Move UART pin settings to early_pin_init(),
which is called from SPL.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Since we do not have OF_CONTROL support for SPL, platform devices
are necessary to enable Driver Model on SPL.
To prepare for that, move platdevice.o to SPL and enable it by
CONFIG_SPL_DM.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Two support card variants are used with UniPhier reference boards:
- 1 chip select support card (original CPLD)
- 3 chip selects support card (ARIMA-compatible CPLD)
Currently, the former is only supported on PH1-Pro4, but it can be
expanded to PH1-LD4, PH1-sLD8 with a little code change.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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Split the current clkrst_init() into two functions:
- early_clkrst_init(): called from SPL
Deassert the reset signals of the memory controller and some other
basic cores.
- clkrst_init(): called from main U-boot
Deassert the reset signals that are necessary for the access to
peripherals etc.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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Move
arch/arm/cpu/armv7/uniphier/* -> arch/arm/mach-uniphier/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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