44 lines
1.0 KiB
ArmAsm
44 lines
1.0 KiB
ArmAsm
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/* SPDX-License-Identifier: GPL-2.0-only */
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/* arch/arm/mach-s3c2410/include/mach/debug-macro.S
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*
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* Debugging macro include header
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*
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* Copyright (C) 1994-1999 Russell King
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* Copyright (C) 2005 Simtec Electronics
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*
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* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
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*/
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#include <linux/serial_s3c.h>
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#define S3C2410_UART1_OFF (0x4000)
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.macro addruart, rp, rv, tmp
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ldr \rp, = CONFIG_DEBUG_UART_PHYS
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ldr \rv, = CONFIG_DEBUG_UART_VIRT
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.endm
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.macro fifo_full_s3c2410 rd, rx
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ldr \rd, [\rx, # S3C2410_UFSTAT]
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tst \rd, #S3C2410_UFSTAT_TXFULL
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.endm
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.macro fifo_level_s3c2410 rd, rx
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ldr \rd, [\rx, # S3C2410_UFSTAT]
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and \rd, \rd, #S3C2410_UFSTAT_TXMASK
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.endm
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/* Select the correct implementation depending on the configuration. The
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* S3C2440 will get selected by default, as these are the most widely
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* used variants of these
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*/
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#if defined(CONFIG_DEBUG_S3C2410_UART)
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#define fifo_full fifo_full_s3c2410
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#define fifo_level fifo_level_s3c2410
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#endif
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/* include the reset of the code which will do the work */
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#include <debug/samsung.S>
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