/* * Copyright 2013 Freescale Semiconductor, Inc. * * 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. * */ .macro addruart, rp, rv, tmp ldr \rp, =0x40028000 @ physical ldr \rv, =0xfe028000 @ virtual .endm .macro senduart, rd, rx strb \rd, [\rx, #0x7] @ Data Register .endm .macro busyuart, rd, rx 1001: ldrb \rd, [\rx, #0x4] @ Status Register 1 tst \rd, #1 << 6 @ TC beq 1001b @ wait until transmit done .endm .macro waituart,rd,rx .endm