mirror of https://gitee.com/openkylin/linux.git
34 lines
966 B
ArmAsm
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>
|