1/* arch/arm/include/asm/hardware/debug-pl01x.S 2 * 3 * Debugging macro include header 4 * 5 * Copyright (C) 1994-1999 Russell King 6 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks 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#include <linux/amba/serial.h> 14 15 .macro senduart,rd,rx 16 strb \rd, [\rx, #UART01x_DR] 17 .endm 18 19 .macro waituart,rd,rx 201001: ldr \rd, [\rx, #UART01x_FR] 21 tst \rd, #UART01x_FR_TXFF 22 bne 1001b 23 .endm 24 25 .macro busyuart,rd,rx 261001: ldr \rd, [\rx, #UART01x_FR] 27 tst \rd, #UART01x_FR_BUSY 28 bne 1001b 29 .endm 30