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Move init code of low-level debug into a single file.
This is helpful to create an image that runs on multiple SoCs.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Currently, IECTRL is enabled after pin-mux settings for the low-level
debugging for PH1-LD4 and PH1-sLD8. While IECTRL is disabled, input
signals are pulled-down, i.e. glitch signal (Low to High transition)
problem occurs if pin-mux is set up first. As a result, one invalid
character is input to the UART block and the auto-boot counting is
terminated immediately.
The correct initialization procedure is:
[1] Enable IECTRL (if IECTRL exists for the pins)
[2] Set up pin-muxing
[3] Deassert the reset of the hardware block
Currently, the low-level debugging is working for PH1-sLD3 and
PH1-Pro4, but just in case, follow the sequence for all the SoCs.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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The UART I/O ports for PH1-Pro4 has no input enable controlling.
This code is useless.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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To achieve the complete run-time configuration by device trees, ifdef
conditionals in header files are not preferable.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Follow the register macros in the LSI specification book.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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Since commit 0e7368c6c426 (kbuild: prepare for moving headers into
mach-*/include/mach), we can replace #include <asm/arch/*.h> with
<mach/*.h> so we do not need to create the symbolic link during the
build.
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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