linux/arch/arm/include/debug/pxa.S
Haojian Zhuang 0a43cd3b1c ARM: pxa: move debug uart code
Move debug uart code from mach-pxa/mach-mmp to debug directory.
Since they are similar, merge them together.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Eric Mico <eric.y.miao@gmail.com>
2013-04-11 10:02:31 +08:00

34 lines
966 B
ArmAsm

/*
* Early serial output macro for Marvell PXA/MMP SoC
*
* Copyright (C) 1994-1999 Russell King
* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
*
* Copyright (C) 2013 Haojian Zhuang
*
* 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.
*/
#if defined(CONFIG_DEBUG_PXA_UART1)
#define PXA_UART_REG_PHYS_BASE 0x40100000
#define PXA_UART_REG_VIRT_BASE 0xf2100000
#elif defined(CONFIG_DEBUG_MMP_UART2)
#define PXA_UART_REG_PHYS_BASE 0xd4017000
#define PXA_UART_REG_VIRT_BASE 0xfe017000
#elif defined(CONFIG_DEBUG_MMP_UART3)
#define PXA_UART_REG_PHYS_BASE 0xd4018000
#define PXA_UART_REG_VIRT_BASE 0xfe018000
#else
#error "Select uart for DEBUG_LL"
#endif
.macro addruart, rp, rv, tmp
ldr \rp, =PXA_UART_REG_PHYS_BASE
ldr \rv, =PXA_UART_REG_VIRT_BASE
.endm
#define UART_SHIFT 2
#include <asm/hardware/debug-8250.S>