1 /* arch/arm/include/asm/hardware/debug-pl01x.S
3 * Debugging macro include header
5 * Copyright (C) 1994-1999 Russell King
6 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
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.
13 #include <linux/amba/serial.h>
16 strb \rd, [\rx, #UART01x_DR]
20 1001: ldr \rd, [\rx, #UART01x_FR]
21 ARM_BE8( rev \rd, \rd )
22 tst \rd, #UART01x_FR_TXFF
27 1001: ldr \rd, [\rx, #UART01x_FR]
28 ARM_BE8( rev \rd, \rd )
29 tst \rd, #UART01x_FR_BUSY