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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d2912cb15b
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
87 lines
1.3 KiB
ArmAsm
87 lines
1.3 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* arch/arm/include/debug/icedcc.S
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*
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* Copyright (C) 1994-1999 Russell King
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*/
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@@ debug using ARM EmbeddedICE DCC channel
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.macro addruart, rp, rv, tmp
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.endm
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#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7)
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.macro senduart, rd, rx
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mcr p14, 0, \rd, c0, c5, 0
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.endm
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.macro busyuart, rd, rx
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1001:
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mrc p14, 0, \rx, c0, c1, 0
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tst \rx, #0x20000000
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beq 1001b
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.endm
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.macro waituart, rd, rx
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mov \rd, #0x2000000
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1001:
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subs \rd, \rd, #1
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bmi 1002f
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mrc p14, 0, \rx, c0, c1, 0
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tst \rx, #0x20000000
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bne 1001b
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1002:
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.endm
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#elif defined(CONFIG_CPU_XSCALE)
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.macro senduart, rd, rx
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mcr p14, 0, \rd, c8, c0, 0
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.endm
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.macro busyuart, rd, rx
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1001:
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mrc p14, 0, \rx, c14, c0, 0
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tst \rx, #0x10000000
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beq 1001b
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.endm
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.macro waituart, rd, rx
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mov \rd, #0x10000000
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1001:
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subs \rd, \rd, #1
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bmi 1002f
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mrc p14, 0, \rx, c14, c0, 0
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tst \rx, #0x10000000
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bne 1001b
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1002:
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.endm
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#else
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.macro senduart, rd, rx
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mcr p14, 0, \rd, c1, c0, 0
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.endm
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.macro busyuart, rd, rx
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1001:
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mrc p14, 0, \rx, c0, c0, 0
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tst \rx, #2
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beq 1001b
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.endm
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.macro waituart, rd, rx
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mov \rd, #0x2000000
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1001:
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subs \rd, \rd, #1
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bmi 1002f
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mrc p14, 0, \rx, c0, c0, 0
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tst \rx, #2
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bne 1001b
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1002:
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.endm
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#endif /* CONFIG_CPU_V6 */
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