1/* 2 * Early serial output macro for Allwinner A1X SoCs 3 * 4 * Copyright (C) 2012 Maxime Ripard 5 * 6 * Maxime Ripard <maxime.ripard@free-electrons.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11*/ 12 13#if defined(CONFIG_DEBUG_SUNXI_UART0) 14#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28000 15#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28000 16#elif defined(CONFIG_DEBUG_SUNXI_UART1) 17#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28400 18#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28400 19#endif 20 21 .macro addruart, rp, rv, tmp 22 ldr \rp, =SUNXI_UART_DEBUG_PHYS_BASE 23 ldr \rv, =SUNXI_UART_DEBUG_VIRT_BASE 24 .endm 25 26#define UART_SHIFT 2 27#include <asm/hardware/debug-8250.S> 28