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Now that the 8250 debug include can stand alone without requiring
platforms to provide any macros, move it into the debug directory
so it can be directly included. This allows us to get rid of a lot
of debug-macros include files.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move the definition of the UART register addresses out of the platform
specific header file into the Kconfig files.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move the definition of the UART register shift out of the platform
specific header file into the Kconfig files.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move the definition out of the machine class debug-macro.S header
into the Kconfig files.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Some platforms (like OMAP not to name it) are doing rather complicated
hacks just to determine the base UART address to use. Let's give their
addruart macro some slack by providing an extra work register which will
allow for much needed cleanups.
This is basically a no-op as this commit is only adding the extra argument
to the macro but no one is using it yet.
Signed-off-by: nicolas Pitre <nicolas.pitre@linaro.org>
Reviewed-by: Kevin Hilman <khilman@ti.com>
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Rather than checking the MMU status in every instance of addruart, do it
once in kernel/debug.S, and change the existing addruart macros to
return both physical and virtual addresses. The main debug code can then
select the appropriate address to use.
This will also allow us to retreive the address of a uart for the MMU
state that we're not current in.
Updated with fixes for OMAP from Jason Wang <jason77.wang@gmail.com>
and Tony Lindgren <tony@atomide.com>, and fix for versatile express from
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>.
Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Jason Wang <jason77.wang@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Tested-by: Kevin Hilman <khilman@deeprootsystems.com>
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Otherwise more complicated uart configuration won't be possible.
We can use r1 for tmp register for both head.S and debug.S.
NOTE: This patch depends on another patch to add the the tmp register
into all debug-macro.S files. That can be done with:
$ sed -i -e "s/addruart,rx|addruart, rx/addruart, rx, tmp/"
arch/arm/*/include/*/debug-macro.S
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This just leaves include/asm-arm/plat-* to deal with.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King
Nicolas Pitre
Jeremy Kerr
Tony Lindgren
Russell King