1/* 2 * Debugging macro include header 3 * 4 * Embedded Alley Solutions, Inc <source@embeddedalley.com> 5 * 6 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. 7 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. 8 */ 9 10/* 11 * The code contained herein is licensed under the GNU General Public 12 * License. You may obtain a copy of the GNU General Public License 13 * Version 2 or later at the following locations: 14 * 15 * http://www.opensource.org/licenses/gpl-license.html 16 * http://www.gnu.org/copyleft/gpl.html 17 */ 18 19 .macro addruart, rp, rv 20 mov \rp, #0x00070000 21 add \rv, \rp, #0xf0000000 @ virtual base 22 add \rp, \rp, #0x80000000 @ physical base 23 .endm 24 25 .macro senduart,rd,rx 26 strb \rd, [\rx, #0] @ data register at 0 27 .endm 28 29 .macro waituart,rd,rx 301001: ldr \rd, [\rx, #0x18] @ UARTFLG 31 tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full 32 bne 1001b 33 .endm 34 35 .macro busyuart,rd,rx 361001: ldr \rd, [\rx, #0x18] @ UARTFLG 37 tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy 38 bne 1001b 39 .endm 40