47 lines
1.4 KiB
ArmAsm
47 lines
1.4 KiB
ArmAsm
/*
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* arch/arm/mach-tegra/include/mach/debug-macro.S
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*
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* Copyright (C) 2010 Google, Inc.
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*
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* Author:
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* Colin Cross <ccross@google.com>
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* Erik Gilling <konkers@google.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <mach/io.h>
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.macro addruart,rx, tmp
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mrc p15, 0, \rx, c1, c0
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tst \rx, #1 @ MMU enabled?
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ldreq \rx, =IO_APB_PHYS @ physical
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ldrne \rx, =IO_APB_VIRT @ virtual
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#if defined(CONFIG_TEGRA_DEBUG_UART_NONE)
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#error "A debug UART must be selected in the kernel config to use DEBUG_LL"
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#elif defined(CONFIG_TEGRA_DEBUG_UARTA)
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orr \rx, \rx, #0x6000
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#elif defined(CONFIG_TEGRA_DEBUG_UARTB)
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ldr \tmp, =0x6040
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orr \rx, \rx, \tmp
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#elif defined(CONFIG_TEGRA_DEBUG_UARTC)
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orr \rx, \rx, #0x6200
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#elif defined(CONFIG_TEGRA_DEBUG_UARTD)
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orr \rx, \rx, #0x6300
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#elif defined(CONFIG_TEGRA_DEBUG_UARTE)
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orr \rx, \rx, #0x6400
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#endif
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.endm
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#define UART_SHIFT 2
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#include <asm/hardware/debug-8250.S>
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