/* arch/arm/mach-zynq/include/mach/debug-macro.S * * Debugging macro include header * * Copyright (C) 2011 Xilinx * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and * may be copied, distributed, and modified under those terms. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include #include .macro addruart, rp, rv, tmp ldr \rp, =LL_UART_PADDR @ physical ldr \rv, =LL_UART_VADDR @ virtual .endm .macro senduart,rd,rx str \rd, [\rx, #UART_FIFO_OFFSET] @ TXDATA .endm .macro waituart,rd,rx .endm .macro busyuart,rd,rx 1002: ldr \rd, [\rx, #UART_SR_OFFSET] @ get status register tst \rd, #UART_SR_TXFULL @ bne 1002b @ wait if FIFO is full .endm