linux/arch/arm/include/debug/mvebu.S

31 lines
801 B
ArmAsm

/*
* Early serial output macro for Marvell SoC
*
* Copyright (C) 2012 Marvell
*
* Lior Amsalem <alior@marvell.com>
* Gregory Clement <gregory.clement@free-electrons.com>
*
* 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.
*/
#ifdef CONFIG_DEBUG_MVEBU_UART_ALTERNATE
#define ARMADA_370_XP_REGS_PHYS_BASE 0xf1000000
#else
#define ARMADA_370_XP_REGS_PHYS_BASE 0xd0000000
#endif
#define ARMADA_370_XP_REGS_VIRT_BASE 0xfec00000
.macro addruart, rp, rv, tmp
ldr \rp, =ARMADA_370_XP_REGS_PHYS_BASE
ldr \rv, =ARMADA_370_XP_REGS_VIRT_BASE
orr \rp, \rp, #0x00012000
orr \rv, \rv, #0x00012000
.endm
#define UART_SHIFT 2
#include <asm/hardware/debug-8250.S>