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47 lines
1.0 KiB
47 lines
1.0 KiB
20 years ago
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/* linux/include/asm-arm/arch-clps711x/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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* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
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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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*/
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#include <asm/hardware/clps7111.h>
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.macro addruart,rx
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mrc p15, 0, \rx, c1, c0
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tst \rx, #1 @ MMU enabled?
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moveq \rx, #CLPS7111_PHYS_BASE
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movne \rx, #CLPS7111_VIRT_BASE
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#ifndef CONFIG_DEBUG_CLPS711X_UART2
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add \rx, \rx, #0x0000 @ UART1
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#else
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add \rx, \rx, #0x1000 @ UART2
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#endif
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.endm
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.macro senduart,rd,rx
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str \rd, [\rx, #0x0480] @ UARTDR
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.endm
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.macro waituart,rd,rx
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1001: ldr \rd, [\rx, #0x0140] @ SYSFLGx
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tst \rd, #1 << 11 @ UBUSYx
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bne 1001b
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.endm
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.macro busyuart,rd,rx
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tst \rx, #0x1000 @ UART2 does not have CTS here
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bne 1002f
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1001: ldr \rd, [\rx, #0x0140] @ SYSFLGx
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tst \rd, #1 << 8 @ CTS
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bne 1001b
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1002:
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.endm
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