/* * Copyright (C) 2014 Carlo Caione * Carlo Caione <carlo@caione.org> * * 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. */ #define MESON_AO_UART_WFIFO		0x0#define MESON_AO_UART_STATUS		0xc #define MESON_AO_UART_TX_FIFO_EMPTY	(1 << 22)#define MESON_AO_UART_TX_FIFO_FULL	(1 << 21) 	.macro	addruart, rp, rv, tmp	ldr	\rp, =(CONFIG_DEBUG_UART_PHYS)		@ physical	ldr	\rv, =(CONFIG_DEBUG_UART_VIRT)		@ virtual	.endm 	.macro	senduart,rd,rx	str	\rd, [\rx, #MESON_AO_UART_WFIFO]	.endm 	.macro	busyuart,rd,rx1002:	ldr	\rd, [\rx, #MESON_AO_UART_STATUS]	tst	\rd, #MESON_AO_UART_TX_FIFO_EMPTY	beq	1002b	.endm 	.macro	waituart,rd,rx1001:	ldr	\rd, [\rx, #MESON_AO_UART_STATUS]	tst	\rd, #MESON_AO_UART_TX_FIFO_FULL	bne	1001b	.endm