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43 lines
1.0 KiB
43 lines
1.0 KiB
/* 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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