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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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4e6d488af3
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>
29 lines
785 B
ArmAsm
29 lines
785 B
ArmAsm
/* arch/arm/mach-s3c2410/include/mach/debug-macro.S
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/* pull in the relevant register and map files. */
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#include <mach/map.h>
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#include <plat/regs-serial.h>
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.macro addruart, rx, tmp
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mrc p15, 0, \rx, c1, c0
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tst \rx, #1
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ldreq \rx, = S3C24XX_PA_UART
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ldrne \rx, = S3C24XX_VA_UART
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#if CONFIG_DEBUG_S3C_UART != 0
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add \rx, \rx, #(S3C2410_UART1_OFF * CONFIG_DEBUG_S3C_UART)
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#endif
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.endm
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/* include the reset of the code which will do the work, we're only
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* compiling for a single cpu processor type so the default of s3c2440
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* will be fine with us.
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*/
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#include <plat/debug-macro.S>
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