35 lines
735 B
ArmAsm
35 lines
735 B
ArmAsm
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Debugging macro include header
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*
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* Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
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* Moved from arch/arm/mach-vt8500/include/mach/debug-macro.S
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* Minor changes for readability.
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*/
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#define DEBUG_LL_PHYS_BASE 0xD8000000
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#define DEBUG_LL_VIRT_BASE 0xF8000000
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#define DEBUG_LL_UART_OFFSET 0x00200000
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#if defined(CONFIG_DEBUG_VT8500_UART0)
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.macro addruart, rp, rv, tmp
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mov \rp, #DEBUG_LL_UART_OFFSET
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orr \rv, \rp, #DEBUG_LL_VIRT_BASE
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orr \rp, \rp, #DEBUG_LL_PHYS_BASE
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.endm
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.macro senduart,rd,rx
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strb \rd, [\rx, #0]
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.endm
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.macro busyuart,rd,rx
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1001: ldr \rd, [\rx, #0x1c]
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ands \rd, \rd, #0x2
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bne 1001b
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.endm
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.macro waituart,rd,rx
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.endm
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#endif
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