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linux/arch/arm/mach-tegra/include/mach/debug-macro.S
Colin Cross d377eb0d95 ARM: tegra: Centralize macros to define debug uart base
Signed-off-by: Colin Cross <ccross@android.com>
2011-02-09 21:56:59 -08:00

36 lines
1.1 KiB
ArmAsm

/*
* arch/arm/mach-tegra/include/mach/debug-macro.S
*
* Copyright (C) 2010 Google, Inc.
*
* Author:
* Colin Cross <ccross@google.com>
* Erik Gilling <konkers@google.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <mach/io.h>
#include <mach/iomap.h>
.macro addruart, rp, rv
ldr \rp, =IO_APB_PHYS @ physical
ldr \rv, =IO_APB_VIRT @ virtual
orr \rp, \rp, #(TEGRA_DEBUG_UART_BASE & 0xFF)
orr \rp, \rp, #(TEGRA_DEBUG_UART_BASE & 0xFF00)
orr \rv, \rv, #(TEGRA_DEBUG_UART_BASE & 0xFF)
orr \rv, \rv, #(TEGRA_DEBUG_UART_BASE & 0xFF00)
.endm
#define UART_SHIFT 2
#include <asm/hardware/debug-8250.S>