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

28 lines
785 B
ArmAsm

/*
* Early serial output macro for Allwinner A1X SoCs
*
* Copyright (C) 2012 Maxime Ripard
*
* Maxime Ripard <maxime.ripard@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.
*/
#if defined(CONFIG_DEBUG_SUNXI_UART0)
#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28000
#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28000
#elif defined(CONFIG_DEBUG_SUNXI_UART1)
#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28400
#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28400
#endif
.macro addruart, rp, rv, tmp
ldr \rp, =SUNXI_UART_DEBUG_PHYS_BASE
ldr \rv, =SUNXI_UART_DEBUG_VIRT_BASE
.endm
#define UART_SHIFT 2
#include <asm/hardware/debug-8250.S>